using System;
using System.Collections;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Diagnostics;
using System.Diagnostics.CodeAnalysis;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Linq.Expressions;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Runtime.Serialization;
using System.Runtime.Versioning;
using System.Security;
using System.Security.Permissions;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading;
using BepInEx;
using BepInEx.Bootstrap;
using BepInEx.Configuration;
using BepInEx.Logging;
using HarmonyLib;
using JetBrains.Annotations;
using LocalizationManager;
using Microsoft.CodeAnalysis;
using TMPro;
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.Events;
using UnityEngine.UI;
using YamlDotNet.Core;
using YamlDotNet.Core.Events;
using YamlDotNet.Core.ObjectPool;
using YamlDotNet.Core.Tokens;
using YamlDotNet.Helpers;
using YamlDotNet.Serialization;
using YamlDotNet.Serialization.BufferedDeserialization;
using YamlDotNet.Serialization.BufferedDeserialization.TypeDiscriminators;
using YamlDotNet.Serialization.Callbacks;
using YamlDotNet.Serialization.Converters;
using YamlDotNet.Serialization.EventEmitters;
using YamlDotNet.Serialization.NamingConventions;
using YamlDotNet.Serialization.NodeDeserializers;
using YamlDotNet.Serialization.NodeTypeResolvers;
using YamlDotNet.Serialization.ObjectFactories;
using YamlDotNet.Serialization.ObjectGraphTraversalStrategies;
using YamlDotNet.Serialization.ObjectGraphVisitors;
using YamlDotNet.Serialization.Schemas;
using YamlDotNet.Serialization.TypeInspectors;
using YamlDotNet.Serialization.TypeResolvers;
using YamlDotNet.Serialization.Utilities;
using YamlDotNet.Serialization.ValueDeserializers;

[assembly: CompilationRelaxations(8)]
[assembly: RuntimeCompatibility(WrapNonExceptionThrows = true)]
[assembly: Debuggable(DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints)]
[assembly: AssemblyTitle("AAABuildMenu")]
[assembly: AssemblyDescription("")]
[assembly: AssemblyConfiguration("")]
[assembly: AssemblyCompany("Azumatt")]
[assembly: AssemblyProduct("AAABuildMenu")]
[assembly: AssemblyCopyright("Copyright ©  2021")]
[assembly: AssemblyTrademark("")]
[assembly: ComVisible(false)]
[assembly: Guid("4358610B-F3F4-4843-B7AF-98B7BC60DCDE")]
[assembly: AssemblyFileVersion("1.0.1")]
[assembly: TargetFramework(".NETFramework,Version=v4.8", FrameworkDisplayName = ".NET Framework 4.8")]
[assembly: SecurityPermission(SecurityAction.RequestMinimum, SkipVerification = true)]
[assembly: AssemblyVersion("1.0.1.0")]
[module: UnverifiableCode]
[module: RefSafetyRules(11)]
namespace Microsoft.CodeAnalysis
{
	[CompilerGenerated]
	[Embedded]
	internal sealed class EmbeddedAttribute : Attribute
	{
	}
}
namespace System.Runtime.CompilerServices
{
	[CompilerGenerated]
	[Embedded]
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Event | AttributeTargets.Parameter | AttributeTargets.ReturnValue | AttributeTargets.GenericParameter, AllowMultiple = false, Inherited = false)]
	internal sealed class NullableAttribute : Attribute
	{
		public readonly byte[] NullableFlags;

		public NullableAttribute(byte P_0)
		{
			NullableFlags = new byte[1] { P_0 };
		}

		public NullableAttribute(byte[] P_0)
		{
			NullableFlags = P_0;
		}
	}
	[CompilerGenerated]
	[Embedded]
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct | AttributeTargets.Method | AttributeTargets.Interface | AttributeTargets.Delegate, AllowMultiple = false, Inherited = false)]
	internal sealed class NullableContextAttribute : Attribute
	{
		public readonly byte Flag;

		public NullableContextAttribute(byte P_0)
		{
			Flag = P_0;
		}
	}
	[CompilerGenerated]
	[Embedded]
	[AttributeUsage(AttributeTargets.Module, AllowMultiple = false, Inherited = false)]
	internal sealed class RefSafetyRulesAttribute : Attribute
	{
		public readonly int Version;

		public RefSafetyRulesAttribute(int P_0)
		{
			Version = P_0;
		}
	}
	[CompilerGenerated]
	[Embedded]
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct | AttributeTargets.Enum | AttributeTargets.Method | AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Event | AttributeTargets.Interface | AttributeTargets.Delegate, AllowMultiple = false, Inherited = false)]
	internal sealed class ExtensionMarkerAttribute : Attribute
	{
		public ExtensionMarkerAttribute(string name)
		{
		}
	}
}
namespace LocalizationManager
{
	[PublicAPI]
	public class Localizer
	{
		private static readonly Dictionary<string, Dictionary<string, Func<string>>> PlaceholderProcessors;

		private static readonly Dictionary<string, Dictionary<string, string>> loadedTexts;

		private static readonly ConditionalWeakTable<Localization, string> localizationLanguage;

		private static readonly List<WeakReference<Localization>> localizationObjects;

		private static BaseUnityPlugin? _plugin;

		private static readonly List<string> fileExtensions;

		private static BaseUnityPlugin plugin
		{
			get
			{
				//IL_009b: Unknown result type (might be due to invalid IL or missing references)
				//IL_00a5: Expected O, but got Unknown
				if (_plugin == null)
				{
					IEnumerable<TypeInfo> source;
					try
					{
						source = Assembly.GetExecutingAssembly().DefinedTypes.ToList();
					}
					catch (ReflectionTypeLoadException ex)
					{
						source = from t in ex.Types
							where t != null
							select t.GetTypeInfo();
					}
					_plugin = (BaseUnityPlugin)Chainloader.ManagerObject.GetComponent((Type)source.First((TypeInfo t) => t.IsClass && typeof(BaseUnityPlugin).IsAssignableFrom(t)));
				}
				return _plugin;
			}
		}

		public static event Action? OnLocalizationComplete;

		private static void UpdatePlaceholderText(Localization localization, string key)
		{
			localizationLanguage.TryGetValue(localization, out string value);
			string text = loadedTexts[value][key];
			if (PlaceholderProcessors.TryGetValue(key, out Dictionary<string, Func<string>> value2))
			{
				text = value2.Aggregate(text, (string current, KeyValuePair<string, Func<string>> kv) => current.Replace("{" + kv.Key + "}", kv.Value()));
			}
			localization.AddWord(key, text);
		}

		public static void AddPlaceholder<T>(string key, string placeholder, ConfigEntry<T> config, Func<T, string>? convertConfigValue = null) where T : notnull
		{
			if (convertConfigValue == null)
			{
				convertConfigValue = (T val) => val.ToString();
			}
			if (!PlaceholderProcessors.ContainsKey(key))
			{
				PlaceholderProcessors[key] = new Dictionary<string, Func<string>>();
			}
			config.SettingChanged += delegate
			{
				UpdatePlaceholder();
			};
			if (loadedTexts.ContainsKey(Localization.instance.GetSelectedLanguage()))
			{
				UpdatePlaceholder();
			}
			void UpdatePlaceholder()
			{
				PlaceholderProcessors[key][placeholder] = () => convertConfigValue(config.Value);
				UpdatePlaceholderText(Localization.instance, key);
			}
		}

		public static void AddText(string key, string text)
		{
			List<WeakReference<Localization>> list = new List<WeakReference<Localization>>();
			foreach (WeakReference<Localization> localizationObject in localizationObjects)
			{
				if (localizationObject.TryGetTarget(out var target))
				{
					Dictionary<string, string> dictionary = loadedTexts[localizationLanguage.GetOrCreateValue(target)];
					if (!target.m_translations.ContainsKey(key))
					{
						dictionary[key] = text;
						target.AddWord(key, text);
					}
				}
				else
				{
					list.Add(localizationObject);
				}
			}
			foreach (WeakReference<Localization> item in list)
			{
				localizationObjects.Remove(item);
			}
		}

		public static void Load()
		{
			_ = plugin;
		}

		public static void LoadLocalizationLater(Localization __instance)
		{
			LoadLocalization(Localization.instance, __instance.GetSelectedLanguage());
		}

		public static void SafeCallLocalizeComplete()
		{
			Localizer.OnLocalizationComplete?.Invoke();
		}

		private static void LoadLocalization(Localization __instance, string language)
		{
			if (!localizationLanguage.Remove(__instance))
			{
				localizationObjects.Add(new WeakReference<Localization>(__instance));
			}
			localizationLanguage.Add(__instance, language);
			Dictionary<string, string> dictionary = new Dictionary<string, string>();
			foreach (string item in from f in Directory.GetFiles(Path.GetDirectoryName(Paths.PluginPath), plugin.Info.Metadata.Name + ".*", SearchOption.AllDirectories)
				where fileExtensions.IndexOf(Path.GetExtension(f)) >= 0
				select f)
			{
				string[] array = Path.GetFileNameWithoutExtension(item).Split(new char[1] { '.' });
				if (array.Length >= 2)
				{
					string text = array[1];
					if (dictionary.ContainsKey(text))
					{
						Debug.LogWarning((object)("Duplicate key " + text + " found for " + plugin.Info.Metadata.Name + ". The duplicate file found at " + item + " will be skipped."));
					}
					else
					{
						dictionary[text] = item;
					}
				}
			}
			byte[] array2 = LoadTranslationFromAssembly("English");
			if (array2 == null)
			{
				throw new Exception("Found no English localizations in mod " + plugin.Info.Metadata.Name + ". Expected an embedded resource translations/English.json or translations/English.yml.");
			}
			Dictionary<string, string> dictionary2 = new DeserializerBuilder().IgnoreFields().Build().Deserialize<Dictionary<string, string>>(Encoding.UTF8.GetString(array2));
			if (dictionary2 == null)
			{
				throw new Exception("Localization for mod " + plugin.Info.Metadata.Name + " failed: Localization file was empty.");
			}
			string text2 = null;
			if (language != "English")
			{
				if (dictionary.TryGetValue(language, out var value))
				{
					text2 = File.ReadAllText(value);
				}
				else
				{
					byte[] array3 = LoadTranslationFromAssembly(language);
					if (array3 != null)
					{
						text2 = Encoding.UTF8.GetString(array3);
					}
				}
			}
			if (text2 == null && dictionary.TryGetValue("English", out var value2))
			{
				text2 = File.ReadAllText(value2);
			}
			if (text2 != null)
			{
				foreach (KeyValuePair<string, string> item2 in new DeserializerBuilder().IgnoreFields().Build().Deserialize<Dictionary<string, string>>(text2) ?? new Dictionary<string, string>())
				{
					dictionary2[item2.Key] = item2.Value;
				}
			}
			loadedTexts[language] = dictionary2;
			foreach (KeyValuePair<string, string> item3 in dictionary2)
			{
				UpdatePlaceholderText(__instance, item3.Key);
			}
		}

		static Localizer()
		{
			//IL_004e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0053: Unknown result type (might be due to invalid IL or missing references)
			//IL_0081: Unknown result type (might be due to invalid IL or missing references)
			//IL_008e: Expected O, but got Unknown
			//IL_008f: Unknown result type (might be due to invalid IL or missing references)
			//IL_00bd: Unknown result type (might be due to invalid IL or missing references)
			//IL_00ca: Expected O, but got Unknown
			//IL_00f8: Unknown result type (might be due to invalid IL or missing references)
			//IL_0105: Expected O, but got Unknown
			PlaceholderProcessors = new Dictionary<string, Dictionary<string, Func<string>>>();
			loadedTexts = new Dictionary<string, Dictionary<string, string>>();
			localizationLanguage = new ConditionalWeakTable<Localization, string>();
			localizationObjects = new List<WeakReference<Localization>>();
			fileExtensions = new List<string>(2) { ".json", ".yml" };
			Harmony val = new Harmony("org.bepinex.helpers.LocalizationManager");
			val.Patch((MethodBase)AccessTools.DeclaredMethod(typeof(Localization), "SetupLanguage", (Type[])null, (Type[])null), (HarmonyMethod)null, new HarmonyMethod(AccessTools.DeclaredMethod(typeof(Localizer), "LoadLocalization", (Type[])null, (Type[])null)), (HarmonyMethod)null, (HarmonyMethod)null, (HarmonyMethod)null);
			val.Patch((MethodBase)AccessTools.DeclaredMethod(typeof(FejdStartup), "SetupGui", (Type[])null, (Type[])null), (HarmonyMethod)null, new HarmonyMethod(AccessTools.DeclaredMethod(typeof(Localizer), "LoadLocalizationLater", (Type[])null, (Type[])null)), (HarmonyMethod)null, (HarmonyMethod)null, (HarmonyMethod)null);
			val.Patch((MethodBase)AccessTools.DeclaredMethod(typeof(FejdStartup), "Start", (Type[])null, (Type[])null), (HarmonyMethod)null, new HarmonyMethod(AccessTools.DeclaredMethod(typeof(Localizer), "SafeCallLocalizeComplete", (Type[])null, (Type[])null)), (HarmonyMethod)null, (HarmonyMethod)null, (HarmonyMethod)null);
		}

		private static byte[]? LoadTranslationFromAssembly(string language)
		{
			foreach (string fileExtension in fileExtensions)
			{
				byte[] array = ReadEmbeddedFileBytes("translations." + language + fileExtension);
				if (array != null)
				{
					return array;
				}
			}
			return null;
		}

		public static byte[]? ReadEmbeddedFileBytes(string resourceFileName, Assembly? containingAssembly = null)
		{
			using MemoryStream memoryStream = new MemoryStream();
			if ((object)containingAssembly == null)
			{
				containingAssembly = Assembly.GetCallingAssembly();
			}
			string text = containingAssembly.GetManifestResourceNames().FirstOrDefault((string str) => str.EndsWith(resourceFileName, StringComparison.Ordinal));
			if (text != null)
			{
				containingAssembly.GetManifestResourceStream(text)?.CopyTo(memoryStream);
			}
			return (memoryStream.Length == 0L) ? null : memoryStream.ToArray();
		}
	}
	public static class LocalizationManagerVersion
	{
		public const string Version = "1.4.1";
	}
}
namespace AAABuildMenu
{
	public static class BuildMenuKeyHints
	{
		private static GameObject? _rowHolder;

		private static GameObject? _favoriteRow;

		private static GameObject? _pinRow;

		private static GameObject? _searchRow;

		private const string FavoriteToken = "$aaabuildmenu_hint_favorite";

		private const string PinToken = "$aaabuildmenu_hint_pin";

		private const string SearchToken = "$aaabuildmenu_hint_search";

		private static TMP_Text? _favoriteKey;

		private static TMP_Text? _pinKey;

		private static TMP_Text? _searchKey;

		private static TMP_Text? _favoriteLabel;

		private static TMP_Text? _pinLabel;

		private static TMP_Text? _searchLabel;

		private static bool _configHooked;

		private static KeyHints? _owner;

		public static void Refresh(KeyHints kh)
		{
			if (!((Object)(object)kh == (Object)null) && !((Object)(object)kh.m_buildHints == (Object)null))
			{
				if ((Object)(object)_owner != (Object)(object)kh)
				{
					_rowHolder = (_favoriteRow = (_pinRow = (_searchRow = null)));
					_favoriteKey = (_pinKey = (_searchKey = null));
					_favoriteLabel = (_pinLabel = (_searchLabel = null));
					_owner = kh;
				}
				if (AAABuildMenuPlugin.ShowKeyHints.Value.IsOff())
				{
					SetActive(_rowHolder, active: false);
					return;
				}
				EnsureRows(kh);
				SetActive(_favoriteRow, active: true);
				SetActive(_pinRow, AAABuildMenuPlugin.EnablePinning.Value.IsOn());
				SetActive(_searchRow, AAABuildMenuPlugin.EnableSearch.Value.IsOn());
				Transform keyboardGroup = GetKeyboardGroup(kh);
				bool flag = (Object)(object)keyboardGroup != (Object)null && ((Component)keyboardGroup).gameObject.activeInHierarchy;
				SetActive(_rowHolder, Hud.IsPieceSelectionVisible() && flag);
			}
		}

		private static Transform? GetKeyboardGroup(KeyHints kh)
		{
			UIInputHint component = kh.m_buildHints.GetComponent<UIInputHint>();
			GameObject val = (((Object)(object)component != (Object)null) ? component.m_mouseKeyboardHint : null);
			if (!((Object)(object)val != (Object)null))
			{
				return null;
			}
			return val.transform;
		}

		private static void EnsureRows(KeyHints kh)
		{
			//IL_003c: Unknown result type (might be due to invalid IL or missing references)
			//IL_0046: Expected O, but got Unknown
			Transform keyboardGroup = GetKeyboardGroup(kh);
			Transform val = (((Object)(object)keyboardGroup != (Object)null) ? FindHintItemTemplate(keyboardGroup) : null);
			if (!((Object)(object)keyboardGroup == (Object)null) && !((Object)(object)val == (Object)null))
			{
				if ((Object)(object)_rowHolder == (Object)null)
				{
					_rowHolder = CreateRowHolder(kh, (RectTransform)keyboardGroup);
				}
				Transform transform = _rowHolder.transform;
				Transform template = keyboardGroup.Find("Copy") ?? val;
				string mouseLeft = GetKeycapText(keyboardGroup.Find("Place")) ?? "Mouse-1";
				if ((Object)(object)_favoriteRow == (Object)null)
				{
					_favoriteRow = CreateClickRow(template, transform, "AAABuildMenu_FavoriteHint", "$aaabuildmenu_hint_favorite", mouseLeft, out _favoriteKey, out _favoriteLabel);
				}
				if ((Object)(object)_pinRow == (Object)null)
				{
					_pinRow = CreateClickRow(template, transform, "AAABuildMenu_PinHint", "$aaabuildmenu_hint_pin", mouseLeft, out _pinKey, out _pinLabel);
				}
				if ((Object)(object)_searchRow == (Object)null)
				{
					_searchRow = CreateSingleKeyRow(val, transform, "AAABuildMenu_SearchHint", "$aaabuildmenu_hint_search", out _searchKey, out _searchLabel);
				}
				ApplyKeyText();
				HookConfigOnce();
			}
		}

		private static void ApplyKeyText()
		{
			//IL_0017: Unknown result type (might be due to invalid IL or missing references)
			//IL_003d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0063: Unknown result type (might be due to invalid IL or missing references)
			if ((Object)(object)_favoriteKey != (Object)null)
			{
				_favoriteKey.text = Format(AAABuildMenuPlugin.QuickFavoriteModifier.Value);
			}
			if ((Object)(object)_pinKey != (Object)null)
			{
				_pinKey.text = Format(AAABuildMenuPlugin.QuickPinModifier.Value);
			}
			if ((Object)(object)_searchKey != (Object)null)
			{
				_searchKey.text = Format(AAABuildMenuPlugin.FocusSearchKey.Value);
			}
		}

		private static void OnLanguageChanged()
		{
			if ((Object)(object)_favoriteLabel != (Object)null)
			{
				_favoriteLabel.text = Localization.instance.Localize("$aaabuildmenu_hint_favorite");
			}
			if ((Object)(object)_pinLabel != (Object)null)
			{
				_pinLabel.text = Localization.instance.Localize("$aaabuildmenu_hint_pin");
			}
			if ((Object)(object)_searchLabel != (Object)null)
			{
				_searchLabel.text = Localization.instance.Localize("$aaabuildmenu_hint_search");
			}
		}

		private static void HookConfigOnce()
		{
			if (!_configHooked)
			{
				_configHooked = true;
				AAABuildMenuPlugin.QuickFavoriteModifier.SettingChanged += Apply;
				AAABuildMenuPlugin.QuickPinModifier.SettingChanged += Apply;
				AAABuildMenuPlugin.FocusSearchKey.SettingChanged += Apply;
				Localization.OnLanguageChange = (Action)Delegate.Combine(Localization.OnLanguageChange, new Action(OnLanguageChanged));
			}
			static void Apply(object _, EventArgs __)
			{
				ApplyKeyText();
			}
		}

		private static GameObject CreateRowHolder(KeyHints kh, RectTransform vanillaRow)
		{
			//IL_0005: Unknown result type (might be due to invalid IL or missing references)
			//IL_000a: Unknown result type (might be due to invalid IL or missing references)
			//IL_0021: Unknown result type (might be due to invalid IL or missing references)
			//IL_0029: Unknown result type (might be due to invalid IL or missing references)
			//IL_0035: Unknown result type (might be due to invalid IL or missing references)
			//IL_0041: Unknown result type (might be due to invalid IL or missing references)
			//IL_004d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0058: Unknown result type (might be due to invalid IL or missing references)
			//IL_005d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0075: Unknown result type (might be due to invalid IL or missing references)
			//IL_0086: Unknown result type (might be due to invalid IL or missing references)
			//IL_008b: Unknown result type (might be due to invalid IL or missing references)
			//IL_009c: Unknown result type (might be due to invalid IL or missing references)
			//IL_0110: Expected O, but got Unknown
			//IL_00c6: Unknown result type (might be due to invalid IL or missing references)
			//IL_0101: Expected O, but got Unknown
			GameObject val = new GameObject("AAABuildMenu_HintRow");
			val.transform.SetParent(kh.m_buildHints.transform, false);
			RectTransform obj = val.AddComponent<RectTransform>();
			obj.anchorMin = vanillaRow.anchorMin;
			obj.anchorMax = vanillaRow.anchorMax;
			obj.pivot = vanillaRow.pivot;
			obj.sizeDelta = vanillaRow.sizeDelta;
			Rect rect = vanillaRow.rect;
			float num = ((Rect)(ref rect)).height;
			if (num <= 1f)
			{
				num = 34f;
			}
			obj.anchoredPosition = vanillaRow.anchoredPosition + new Vector2(0f, num + 6f);
			HorizontalLayoutGroup component = ((Component)vanillaRow).GetComponent<HorizontalLayoutGroup>();
			HorizontalLayoutGroup val2 = val.AddComponent<HorizontalLayoutGroup>();
			if ((Object)(object)component != (Object)null)
			{
				((HorizontalOrVerticalLayoutGroup)val2).spacing = ((HorizontalOrVerticalLayoutGroup)component).spacing;
				((LayoutGroup)val2).padding = ((LayoutGroup)component).padding;
				((LayoutGroup)val2).childAlignment = ((LayoutGroup)component).childAlignment;
				((HorizontalOrVerticalLayoutGroup)val2).childControlWidth = ((HorizontalOrVerticalLayoutGroup)component).childControlWidth;
				((HorizontalOrVerticalLayoutGroup)val2).childControlHeight = ((HorizontalOrVerticalLayoutGroup)component).childControlHeight;
				((HorizontalOrVerticalLayoutGroup)val2).childForceExpandWidth = ((HorizontalOrVerticalLayoutGroup)component).childForceExpandWidth;
				((HorizontalOrVerticalLayoutGroup)val2).childForceExpandHeight = ((HorizontalOrVerticalLayoutGroup)component).childForceExpandHeight;
				return val;
			}
			((LayoutGroup)val2).childAlignment = (TextAnchor)4;
			((HorizontalOrVerticalLayoutGroup)val2).childForceExpandWidth = false;
			return val;
		}

		private static GameObject CreateClickRow(Transform template, Transform container, string name, string labelToken, string mouseLeft, out TMP_Text? modifierKey, out TMP_Text? label)
		{
			GameObject val = Object.Instantiate<GameObject>(((Component)template).gameObject, container);
			((Object)val).name = name;
			val.transform.SetAsLastSibling();
			List<TMP_Text> list = CollectKeycaps(val.transform);
			modifierKey = ((list.Count > 0) ? list[0] : null);
			if (list.Count >= 2)
			{
				list[1].text = mouseLeft;
			}
			label = SetLabel(val.transform, labelToken);
			val.SetActive(false);
			return val;
		}

		private static GameObject CreateSingleKeyRow(Transform template, Transform container, string name, string labelToken, out TMP_Text? key, out TMP_Text? label)
		{
			GameObject val = Object.Instantiate<GameObject>(((Component)template).gameObject, container);
			((Object)val).name = name;
			val.transform.SetAsLastSibling();
			Transform val2 = val.transform.Find("key_bkg/Key");
			key = (((Object)(object)val2 != (Object)null) ? ((Component)val2).GetComponent<TMP_Text>() : null);
			label = SetLabel(val.transform, labelToken);
			val.SetActive(false);
			return val;
		}

		private static TMP_Text? SetLabel(Transform row, string labelToken)
		{
			Transform val = row.Find("Text");
			TMP_Text val2 = (((Object)(object)val != (Object)null) ? ((Component)val).GetComponent<TMP_Text>() : null);
			if ((Object)(object)val2 == (Object)null)
			{
				return null;
			}
			Localize component = ((Component)val2).GetComponent<Localize>();
			if ((Object)(object)component != (Object)null)
			{
				Object.Destroy((Object)(object)component);
			}
			val2.text = Localization.instance.Localize(labelToken);
			val2.textWrappingMode = (TextWrappingModes)0;
			val2.overflowMode = (TextOverflowModes)0;
			return val2;
		}

		private static List<TMP_Text> CollectKeycaps(Transform row)
		{
			List<TMP_Text> list = new List<TMP_Text>();
			for (int i = 0; i < row.childCount; i++)
			{
				Transform child = row.GetChild(i);
				if (((Object)child).name.StartsWith("key_bkg"))
				{
					Transform val = child.Find("Key");
					TMP_Text val2 = (((Object)(object)val != (Object)null) ? ((Component)val).GetComponent<TMP_Text>() : null);
					if ((Object)(object)val2 != (Object)null)
					{
						list.Add(val2);
					}
				}
			}
			return list;
		}

		private static string? GetKeycapText(Transform? item)
		{
			if ((Object)(object)item == (Object)null)
			{
				return null;
			}
			Transform val = item.Find("key_bkg/Key");
			TMP_Text val2 = (((Object)(object)val != (Object)null) ? ((Component)val).GetComponent<TMP_Text>() : null);
			if (!((Object)(object)val2 != (Object)null))
			{
				return null;
			}
			return val2.text;
		}

		private static Transform? FindHintItemTemplate(Transform keyboardGroup)
		{
			for (int i = 0; i < keyboardGroup.childCount; i++)
			{
				Transform child = keyboardGroup.GetChild(i);
				if (!((Object)child).name.StartsWith("AAABuildMenu_") && (Object)(object)child.Find("key_bkg/Key") != (Object)null && (Object)(object)child.Find("Text") != (Object)null)
				{
					return child;
				}
			}
			return null;
		}

		private static void SetActive(GameObject? go, bool active)
		{
			if ((Object)(object)go != (Object)null && go.activeSelf != active)
			{
				go.SetActive(active);
			}
		}

		private static string Format(KeyboardShortcut shortcut)
		{
			//IL_0002: Unknown result type (might be due to invalid IL or missing references)
			//IL_003f: Unknown result type (might be due to invalid IL or missing references)
			if ((int)((KeyboardShortcut)(ref shortcut)).MainKey == 0)
			{
				return "";
			}
			List<string> list = ((KeyboardShortcut)(ref shortcut)).Modifiers.Select(Pretty).ToList();
			list.Add(Pretty(((KeyboardShortcut)(ref shortcut)).MainKey));
			return string.Join("+", list);
		}

		private unsafe static string Pretty(KeyCode key)
		{
			//IL_0000: Unknown result type (might be due to invalid IL or missing references)
			//IL_0006: Unknown result type (might be due to invalid IL or missing references)
			//IL_0024: Expected I4, but got Unknown
			switch (key - 303)
			{
			case 0:
			case 1:
				return "Shift";
			case 2:
			case 3:
				return "Ctrl";
			case 4:
			case 5:
				return "Alt";
			default:
				return ((object)(*(KeyCode*)(&key))/*cast due to .constrained prefix*/).ToString();
			}
		}
	}
	[RequireComponent(typeof(CanvasGroup))]
	public abstract class BuildMenuGripHandle : MonoBehaviour, IPointerEnterHandler, IEventSystemHandler, IPointerExitHandler, IBeginDragHandler, IDragHandler, IEndDragHandler
	{
		private CanvasGroup _cg;

		private float _scale = 1f;

		private bool _dragging;

		private bool _hovered;

		protected virtual void Awake()
		{
			_cg = ((Component)this).GetComponent<CanvasGroup>();
			Canvas componentInParent = ((Component)this).GetComponentInParent<Canvas>();
			if ((Object)(object)componentInParent != (Object)null && componentInParent.scaleFactor > 0f)
			{
				_scale = componentInParent.scaleFactor;
			}
		}

		private void Update()
		{
			float num = ((_dragging || _hovered) ? 1f : 0f);
			_cg.alpha = Mathf.MoveTowards(_cg.alpha, num, Time.unscaledDeltaTime * 8f);
		}

		public void OnPointerEnter(PointerEventData eventData)
		{
			_hovered = true;
		}

		public void OnPointerExit(PointerEventData eventData)
		{
			_hovered = false;
		}

		public void OnBeginDrag(PointerEventData eventData)
		{
			_dragging = true;
		}

		public void OnDrag(PointerEventData eventData)
		{
			//IL_0002: Unknown result type (might be due to invalid IL or missing references)
			//IL_000d: Unknown result type (might be due to invalid IL or missing references)
			Apply(eventData.delta / _scale);
		}

		public void OnEndDrag(PointerEventData eventData)
		{
			_dragging = false;
			EnhancedBuildMenu.OnGripDragEnd();
		}

		protected abstract void Apply(Vector2 scaledDelta);
	}
	public class BuildMenuResizeHandle : BuildMenuGripHandle
	{
		protected override void Apply(Vector2 scaledDelta)
		{
			//IL_0000: Unknown result type (might be due to invalid IL or missing references)
			EnhancedBuildMenu.OnResizeDrag(scaledDelta);
		}
	}
	public class BuildMenuMoveHandle : BuildMenuGripHandle
	{
		protected override void Apply(Vector2 scaledDelta)
		{
			//IL_0000: Unknown result type (might be due to invalid IL or missing references)
			EnhancedBuildMenu.OnMoveDrag(scaledDelta);
		}
	}
	public static class EnhancedBuildMenu
	{
		[CompilerGenerated]
		private static class <>O
		{
			public static Func<Piece, bool> <0>__PieceUsesAnySelectedMaterial;

			public static Func<Piece, int> <1>__TotalResourceCost;

			public static UnityAction<string> <2>__OnSearchTextChanged;

			public static UnityAction <3>__ClearSearch;

			public static UnityAction <4>__ResetAllFilters;

			public static UnityAction <5>__CycleSortMode;

			public static UnityAction <6>__DeselectCurrent;
		}

		internal static int Columns = 15;

		private const float ScrollbarGutter = 10f;

		private static GameObject _searchBarObject = null;

		private static TMP_InputField _searchInputField = null;

		private static ScrollRect _scrollRect = null;

		private static GameObject _clearSearchButton = null;

		private static bool _isInitialized;

		private static readonly PieceFilterState _currentFilter = new PieceFilterState();

		private static GameObject _filterButtonRow = null;

		private static FilterButton? _allButton;

		private static FilterButton _canCraftButton = null;

		private static FilterButton _missingMaterialsButton = null;

		private static FilterButton _favoritesButton = null;

		private static FilterButton? _recentButton;

		private static GameObject _sortButton = null;

		private static TMP_Text _sortButtonText = null;

		private static TMP_Text _matchCountText = null;

		private static GameObject _materialsButton = null;

		private static GameObject _materialsDropdown = null;

		private static TMP_InputField _materialsSearchField = null;

		private static readonly HashSet<string> _selectedMaterials = new HashSet<string>();

		private static readonly Dictionary<GameObject, GameObject> _favoriteStars = new Dictionary<GameObject, GameObject>();

		private static readonly Dictionary<GameObject, GameObject> _favoriteBorders = new Dictionary<GameObject, GameObject>();

		private static Sprite _favoriteBorderSprite = null;

		private static readonly Dictionary<GameObject, GameObject> _pinIndicators = new Dictionary<GameObject, GameObject>();

		private static bool _pinConfigHooked;

		private static readonly Dictionary<Piece, string> _prefabNameCache = new Dictionary<Piece, string>();

		private static readonly Dictionary<PieceCategory, List<Piece>> _categoryMasters = new Dictionary<PieceCategory, List<Piece>>();

		private static Coroutine? _searchDebounceCoroutine;

		private const float SearchDebounceDelay = 0.15f;

		private static Vector2 _origContentSize;

		private static Vector2 _origContentAnchoredPos;

		private static bool _origCaptured;

		private static bool _maskAdjusted;

		private static Vector2 _origMaskOffsetMax;

		private static bool _origMaskCaptured;

		private static bool _liveConfigHooked;

		private const float SearchStripHeight = 30f;

		private const float FilterStripHeight = 26f;

		private const float CountStripHeight = 18f;

		private const float StripGap = 2f;

		private static TMP_FontAsset _uiFont = null;

		private static GameObject _tooltipPrefab = null;

		private static Sprite _buttonSprite = null;

		private static Hud _hud = null;

		private static RectTransform _resizeHandle = null;

		private static RectTransform _moveHandle = null;

		private static Sprite _vanillaButtonSprite = null;

		private static SpriteState _vanillaButtonSpriteState;

		private static ColorBlock _vanillaButtonColors;

		private static bool _vanillaButtonUsesSpriteSwap;

		private static bool _vanillaButtonResolved;

		private static bool _hasVanillaButton;

		private static readonly Color InactiveButtonColor = Color.white;

		private static readonly Color ActiveButtonColor = new Color(1f, 0.78f, 0.36f, 1f);

		private static PieceCategory _lastScrollCategory = (PieceCategory)(-999);

		internal static Piece? SelectedPiece;

		private static RectTransform _materialsListContent = null;

		private const float MatDropdownPad = 4f;

		private const float MatSearchHeight = 26f;

		private const float MatScrollbarWidth = 9f;

		private static readonly Color InactiveFilterColor = InactiveButtonColor;

		private static readonly Color ActiveFilterColor = ActiveButtonColor;

		private static Vector2 _origWindowSize;

		private static Vector2 _origWindowPos;

		private static bool _origWinCaptured;

		private static readonly Color GripColor = new Color(0.565f, 0.792f, 0.976f, 0.85f);

		private static readonly Dictionary<string, Sprite?> _spriteCache = new Dictionary<string, Sprite>();

		private static Sprite[] _allSprites = null;

		private static GameObject? _clickSfxPrefab;

		private static bool _sfxResolved;

		public static bool Active
		{
			get
			{
				if (_isInitialized)
				{
					return AAABuildMenuPlugin.EnableEnhancedMenu.Value.IsOn();
				}
				return false;
			}
		}

		public static bool NeedsRefresh { get; set; }

		public static bool IsInitialized => _isInitialized;

		private static bool SearchEnabled => AAABuildMenuPlugin.EnableSearch.Value.IsOn();

		private static bool FiltersEnabled => AAABuildMenuPlugin.EnableFilters.Value.IsOn();

		private static bool CountEnabled => AAABuildMenuPlugin.ShowMatchCount.Value.IsOn();

		internal static bool ShouldConsumeScroll()
		{
			//IL_0010: Unknown result type (might be due to invalid IL or missing references)
			//IL_0015: Unknown result type (might be due to invalid IL or missing references)
			//IL_001a: Unknown result type (might be due to invalid IL or missing references)
			//IL_0044: Unknown result type (might be due to invalid IL or missing references)
			//IL_0072: Unknown result type (might be due to invalid IL or missing references)
			//IL_0077: Unknown result type (might be due to invalid IL or missing references)
			//IL_007e: Expected O, but got Unknown
			if (!Active || !Hud.IsPieceSelectionVisible())
			{
				return false;
			}
			Vector2 val = Vector2.op_Implicit(Input.mousePosition);
			if ((Object)(object)_scrollRect != (Object)null && (Object)(object)_scrollRect.viewport != (Object)null && RectTransformUtility.RectangleContainsScreenPoint(_scrollRect.viewport, val, (Camera)null))
			{
				return true;
			}
			if ((Object)(object)_materialsDropdown != (Object)null && _materialsDropdown.activeSelf && RectTransformUtility.RectangleContainsScreenPoint((RectTransform)_materialsDropdown.transform, val, (Camera)null))
			{
				return true;
			}
			return false;
		}

		internal static float CellSpacing(Hud hud)
		{
			return (((Object)(object)hud != (Object)null && hud.m_pieceIconSpacing > 0f) ? hud.m_pieceIconSpacing : 64f) * Mathf.Clamp(AAABuildMenuPlugin.IconScale.Value, 0.5f, 2f);
		}

		internal static int ComputeColumns(Hud hud)
		{
			//IL_0045: Unknown result type (might be due to invalid IL or missing references)
			//IL_004a: Unknown result type (might be due to invalid IL or missing references)
			if ((Object)(object)hud == (Object)null)
			{
				return 15;
			}
			float num = CellSpacing(hud);
			float num2;
			if (!((Object)(object)_scrollRect != (Object)null) || !((Object)(object)_scrollRect.viewport != (Object)null))
			{
				num2 = 15f * num;
			}
			else
			{
				Rect rect = _scrollRect.viewport.rect;
				num2 = ((Rect)(ref rect)).width;
			}
			return Mathf.Clamp(Mathf.FloorToInt((num2 - 10f) / num + 0.01f), 1, 64);
		}

		internal static int RowCount(int count)
		{
			return Mathf.Max(1, Mathf.CeilToInt((float)count / (float)Columns));
		}

		private static string PrefabName(Piece piece)
		{
			if ((Object)(object)piece == (Object)null)
			{
				return string.Empty;
			}
			if (_prefabNameCache.TryGetValue(piece, out string value))
			{
				return value;
			}
			value = Utils.GetPrefabName(((Component)piece).gameObject);
			_prefabNameCache[piece] = value;
			return value;
		}

		public static void InitializeUI(Hud hud)
		{
			if (_isInitialized || (Object)(object)hud == (Object)null)
			{
				return;
			}
			try
			{
				AAABuildMenuPlugin.AAABuildMenuLogger.LogInfo((object)"Initializing Enhanced Build Menu...");
				_hud = hud;
				CacheVanillaButtonSprite(hud);
				CloneVanillaButtonStyle();
				ApplySavedWindowTransform(hud);
				SetupScrollView(hud);
				BuildHeaderUI(hud);
				HookPinIndicatorConfig();
				HookLiveConfig();
				_isInitialized = true;
				AAABuildMenuPlugin.AAABuildMenuLogger.LogInfo((object)"Enhanced Build Menu initialized successfully!");
			}
			catch (Exception ex)
			{
				AAABuildMenuPlugin.AAABuildMenuLogger.LogError((object)("Failed to initialize Enhanced Build Menu: " + ex.Message));
				AAABuildMenuPlugin.AAABuildMenuLogger.LogError((object)ex.StackTrace);
				_isInitialized = false;
			}
		}

		private static void BuildHeaderUI(Hud hud)
		{
			ReserveHeaderSpace(hud);
			if (AAABuildMenuPlugin.EnableResize.Value.IsOn())
			{
				CreateResizeHandle(hud);
				CreateMoveHandle(hud);
			}
			if (AAABuildMenuPlugin.EnableSearch.Value.IsOn())
			{
				CreateSearchBar(hud);
			}
			if (AAABuildMenuPlugin.EnableFilters.Value.IsOn())
			{
				CreateFilterButtons(hud);
			}
			if (AAABuildMenuPlugin.ShowMatchCount.Value.IsOn())
			{
				CreateMatchCountLabel(hud);
			}
			RectTransform resizeHandle = _resizeHandle;
			if (resizeHandle != null)
			{
				((Transform)resizeHandle).SetAsLastSibling();
			}
			RectTransform moveHandle = _moveHandle;
			if (moveHandle != null)
			{
				((Transform)moveHandle).SetAsLastSibling();
			}
		}

		private static void RebuildEnhancedUI()
		{
			//IL_012c: Unknown result type (might be due to invalid IL or missing references)
			if (!_isInitialized || (Object)(object)_hud == (Object)null)
			{
				return;
			}
			try
			{
				if ((Object)(object)_searchBarObject != (Object)null)
				{
					Object.Destroy((Object)(object)_searchBarObject);
				}
				if ((Object)(object)_filterButtonRow != (Object)null)
				{
					Object.Destroy((Object)(object)_filterButtonRow);
				}
				if ((Object)(object)_matchCountText != (Object)null)
				{
					Object.Destroy((Object)(object)((Component)_matchCountText).gameObject);
				}
				if ((Object)(object)_materialsDropdown != (Object)null)
				{
					Object.Destroy((Object)(object)_materialsDropdown);
				}
				if ((Object)(object)_resizeHandle != (Object)null)
				{
					Object.Destroy((Object)(object)((Component)_resizeHandle).gameObject);
				}
				if ((Object)(object)_moveHandle != (Object)null)
				{
					Object.Destroy((Object)(object)((Component)_moveHandle).gameObject);
				}
				_searchBarObject = null;
				_filterButtonRow = null;
				_matchCountText = null;
				_materialsButton = null;
				_materialsDropdown = null;
				_materialsSearchField = null;
				_resizeHandle = null;
				_moveHandle = null;
				_sortButton = null;
				_sortButtonText = null;
				_allButton = (_recentButton = null);
				_canCraftButton = (_missingMaterialsButton = (_favoritesButton = null));
				if (_origMaskCaptured && (Object)(object)_hud.m_pieceListMask != (Object)null)
				{
					_hud.m_pieceListMask.offsetMax = _origMaskOffsetMax;
				}
				_maskAdjusted = false;
				BuildHeaderUI(_hud);
				NeedsRefresh = true;
			}
			catch (Exception ex)
			{
				AAABuildMenuPlugin.AAABuildMenuLogger.LogError((object)("Error rebuilding enhanced UI: " + ex.Message));
			}
		}

		private static void HookLiveConfig()
		{
			if (!_liveConfigHooked)
			{
				_liveConfigHooked = true;
				AAABuildMenuPlugin.EnableSearch.SettingChanged += Rebuild;
				AAABuildMenuPlugin.EnableFilters.SettingChanged += Rebuild;
				AAABuildMenuPlugin.ShowMatchCount.SettingChanged += Rebuild;
				AAABuildMenuPlugin.EnableResize.SettingChanged += Rebuild;
				AAABuildMenuPlugin.EnableRecentFilter.SettingChanged += Rebuild;
				AAABuildMenuPlugin.SearchAllCategories.SettingChanged += Rebuild;
				AAABuildMenuPlugin.DefaultSortMode.SettingChanged += delegate
				{
					UpdateSortButtonLabel();
					NeedsRefresh = true;
				};
			}
			static void Rebuild(object _, EventArgs __)
			{
				RebuildEnhancedUI();
			}
		}

		private static void SetupScrollView(Hud hud)
		{
			//IL_006f: Unknown result type (might be due to invalid IL or missing references)
			//IL_0074: Unknown result type (might be due to invalid IL or missing references)
			//IL_007a: Unknown result type (might be due to invalid IL or missing references)
			//IL_007f: Unknown result type (might be due to invalid IL or missing references)
			//IL_0179: Unknown result type (might be due to invalid IL or missing references)
			if ((Object)(object)hud.m_pieceListRoot == (Object)null || (Object)(object)hud.m_pieceListMask == (Object)null)
			{
				AAABuildMenuPlugin.AAABuildMenuLogger.LogWarning((object)"Piece list root/mask is null, cannot setup scroll view");
				return;
			}
			Transform transform = ((Component)hud.m_pieceListMask).transform;
			_scrollRect = ((Component)transform).GetComponent<ScrollRect>();
			if ((Object)(object)_scrollRect == (Object)null)
			{
				_scrollRect = ((Component)transform).gameObject.AddComponent<ScrollRect>();
			}
			RectTransform pieceListRoot = hud.m_pieceListRoot;
			if (!_origCaptured)
			{
				_origContentSize = pieceListRoot.sizeDelta;
				_origContentAnchoredPos = pieceListRoot.anchoredPosition;
				_origCaptured = true;
			}
			_scrollRect.content = pieceListRoot;
			_scrollRect.viewport = hud.m_pieceListMask;
			_scrollRect.horizontal = false;
			_scrollRect.vertical = true;
			_scrollRect.movementType = (MovementType)2;
			_scrollRect.inertia = true;
			_scrollRect.decelerationRate = 0.135f;
			_scrollRect.scrollSensitivity = ((hud.m_pieceIconSpacing > 0f) ? hud.m_pieceIconSpacing : 64f) * 4f;
			if ((Object)(object)((Component)hud.m_pieceListMask).GetComponent<Mask>() == (Object)null && (Object)(object)((Component)hud.m_pieceListMask).GetComponent<RectMask2D>() == (Object)null)
			{
				((Component)hud.m_pieceListMask).gameObject.AddComponent<RectMask2D>();
			}
			if ((Object)(object)((Component)hud.m_pieceListMask).GetComponent<Graphic>() == (Object)null)
			{
				Image obj = ((Component)hud.m_pieceListMask).gameObject.AddComponent<Image>();
				((Graphic)obj).color = new Color(0f, 0f, 0f, 0f);
				((Graphic)obj).raycastTarget = true;
			}
			CreateScrollbar(hud);
			AAABuildMenuPlugin.AAABuildMenuLogger.LogInfo((object)"ScrollRect configured successfully");
		}

		internal static TMP_FontAsset GetUiFont(Hud hud)
		{
			if ((Object)(object)_uiFont != (Object)null)
			{
				return _uiFont;
			}
			if ((Object)(object)hud != (Object)null && (Object)(object)hud.m_buildSelection != (Object)null && (Object)(object)hud.m_buildSelection.font != (Object)null)
			{
				_uiFont = hud.m_buildSelection.font;
			}
			else
			{
				_uiFont = Resources.FindObjectsOfTypeAll<TMP_FontAsset>().FirstOrDefault();
			}
			return _uiFont;
		}

		internal static TMP_Text CreateText(Transform parent, string name, TMP_FontAsset font, float fontSize, Color color, TextAlignmentOptions align, bool stretch = false)
		{
			//IL_0001: Unknown result type (might be due to invalid IL or missing references)
			//IL_0006: Unknown result type (might be due to invalid IL or missing references)
			//IL_000d: Unknown result type (might be due to invalid IL or missing references)
			//IL_001a: Unknown result type (might be due to invalid IL or missing references)
			//IL_0039: Unknown result type (might be due to invalid IL or missing references)
			//IL_0041: Unknown result type (might be due to invalid IL or missing references)
			//IL_0053: Unknown result type (might be due to invalid IL or missing references)
			//IL_005e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0069: Unknown result type (might be due to invalid IL or missing references)
			//IL_0073: Unknown result type (might be due to invalid IL or missing references)
			GameObject val = new GameObject(name);
			val.SetActive(false);
			val.transform.SetParent(parent, false);
			TextMeshProUGUI val2 = val.AddComponent<TextMeshProUGUI>();
			if ((Object)(object)font != (Object)null)
			{
				((TMP_Text)val2).font = font;
			}
			((TMP_Text)val2).fontSize = fontSize;
			((Graphic)val2).color = color;
			((TMP_Text)val2).alignment = align;
			if (stretch)
			{
				RectTransform rectTransform = ((TMP_Text)val2).rectTransform;
				rectTransform.anchorMin = Vector2.zero;
				rectTransform.anchorMax = Vector2.one;
				rectTransform.sizeDelta = Vector2.zero;
				rectTransform.anchoredPosition = Vector2.zero;
			}
			val.SetActive(true);
			return (TMP_Text)(object)val2;
		}

		private static GameObject GetTooltipPrefab(Hud hud)
		{
			if ((Object)(object)_tooltipPrefab != (Object)null)
			{
				return _tooltipPrefab;
			}
			UITooltip val = (((Object)(object)hud.m_pieceIconPrefab != (Object)null) ? hud.m_pieceIconPrefab.GetComponent<UITooltip>() : null);
			if ((Object)(object)val == (Object)null || (Object)(object)val.m_tooltipPrefab == (Object)null)
			{
				val = hud.m_pieceSelectionWindow.GetComponentInChildren<UITooltip>(true);
			}
			if ((Object)(object)val != (Object)null)
			{
				_tooltipPrefab = val.m_tooltipPrefab;
			}
			return _tooltipPrefab;
		}

		internal static UITooltip AddTooltip(GameObject go, string text, Hud hud)
		{
			UITooltip val = go.AddComponent<UITooltip>();
			val.m_text = text;
			GameObject tooltipPrefab = GetTooltipPrefab(hud);
			if ((Object)(object)tooltipPrefab != (Object)null)
			{
				val.m_tooltipPrefab = tooltipPrefab;
			}
			return val;
		}

		private static void CreateScrollbar(Hud hud)
		{
			//IL_0005: Unknown result type (might be due to invalid IL or missing references)
			//IL_000b: Expected O, but got Unknown
			//IL_0033: Unknown result type (might be due to invalid IL or missing references)
			//IL_0048: Unknown result type (might be due to invalid IL or missing references)
			//IL_005d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0072: Unknown result type (might be due to invalid IL or missing references)
			//IL_0086: Unknown result type (might be due to invalid IL or missing references)
			//IL_00b0: Unknown result type (might be due to invalid IL or missing references)
			//IL_00bf: Unknown result type (might be due to invalid IL or missing references)
			//IL_00c4: Unknown result type (might be due to invalid IL or missing references)
			//IL_00d6: Unknown result type (might be due to invalid IL or missing references)
			//IL_00de: Unknown result type (might be due to invalid IL or missing references)
			//IL_00e9: Unknown result type (might be due to invalid IL or missing references)
			//IL_00f4: Unknown result type (might be due to invalid IL or missing references)
			//IL_011f: Unknown result type (might be due to invalid IL or missing references)
			GameObject val = new GameObject("EnhancedMenuScrollbar");
			val.transform.SetParent(((Component)hud.m_pieceListMask).transform, false);
			RectTransform obj = val.AddComponent<RectTransform>();
			obj.anchorMin = new Vector2(1f, 0f);
			obj.anchorMax = new Vector2(1f, 1f);
			obj.pivot = new Vector2(1f, 0.5f);
			obj.anchoredPosition = new Vector2(-1f, 0f);
			obj.sizeDelta = new Vector2(9f, 0f);
			Image obj2 = val.AddComponent<Image>();
			StyleButtonImage(obj2);
			((Graphic)obj2).color = new Color(0.191f, 0.078f, 0.078f, 1f);
			GameObject val2 = new GameObject("Handle");
			val2.transform.SetParent(val.transform, false);
			RectTransform val3 = val2.AddComponent<RectTransform>();
			val3.anchorMin = Vector2.zero;
			val3.anchorMax = Vector2.one;
			val3.sizeDelta = Vector2.zero;
			Image val4 = val2.AddComponent<Image>();
			StyleButtonImage(val4);
			((Graphic)val4).color = new Color(0.8529f, 0.725f, 0.5331f, 1f);
			Scrollbar val5 = val.AddComponent<Scrollbar>();
			val5.handleRect = val3;
			val5.direction = (Direction)2;
			((Selectable)val5).targetGraphic = (Graphic)(object)val4;
			DisableNavigationAndSelection((Selectable)(object)val5);
			_scrollRect.verticalScrollbar = val5;
			_scrollRect.verticalScrollbarVisibility = (ScrollbarVisibility)1;
			AAABuildMenuPlugin.AAABuildMenuLogger.LogDebug((object)"Scrollbar created successfully");
		}

		public static void RenderPieceList(Hud hud, Player player, Vector2Int selectedNr, PieceCategory category, bool updateAllBuildStatuses)
		{
			//IL_0225: Unknown result type (might be due to invalid IL or missing references)
			//IL_0226: Unknown result type (might be due to invalid IL or missing references)
			//IL_0214: Unknown result type (might be due to invalid IL or missing references)
			//IL_0219: Unknown result type (might be due to invalid IL or missing references)
			//IL_022b: Unknown result type (might be due to invalid IL or missing references)
			//IL_022c: Unknown result type (might be due to invalid IL or missing references)
			//IL_0236: Unknown result type (might be due to invalid IL or missing references)
			//IL_0237: Unknown result type (might be due to invalid IL or missing references)
			//IL_00dd: Unknown result type (might be due to invalid IL or missing references)
			//IL_00e2: Unknown result type (might be due to invalid IL or missing references)
			//IL_00ed: Unknown result type (might be due to invalid IL or missing references)
			//IL_00f7: Unknown result type (might be due to invalid IL or missing references)
			//IL_0102: Unknown result type (might be due to invalid IL or missing references)
			//IL_010c: Unknown result type (might be due to invalid IL or missing references)
			//IL_010d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0117: Unknown result type (might be due to invalid IL or missing references)
			//IL_011a: Unknown result type (might be due to invalid IL or missing references)
			//IL_012f: Unknown result type (might be due to invalid IL or missing references)
			//IL_0144: Unknown result type (might be due to invalid IL or missing references)
			//IL_0149: Unknown result type (might be due to invalid IL or missing references)
			List<Piece> list = player.GetBuildPieces() ?? new List<Piece>();
			int count = list.Count;
			Columns = ComputeColumns(hud);
			int num = ((Vector2Int)(ref selectedNr)).y * Columns + ((Vector2Int)(ref selectedNr)).x;
			if (num >= 0 && num < count)
			{
				SelectedPiece = list[num];
			}
			EnsureIconCount(hud, Mathf.Max(count, 1));
			float num2 = CellSpacing(hud);
			for (int i = 0; i < hud.m_pieceIcons.Count; i++)
			{
				PieceIconData val = hud.m_pieceIcons[i];
				if ((Object)(object)val?.m_go == (Object)null)
				{
					continue;
				}
				int num3 = i % Columns;
				int num4 = i / Columns;
				if (i < count)
				{
					Piece val2 = list[i];
					if (!val.m_go.activeSelf)
					{
						val.m_go.SetActive(true);
					}
					RectTransform val3 = (RectTransform)val.m_go.transform;
					val3.anchorMin = new Vector2(0f, 1f);
					val3.anchorMax = new Vector2(0f, 1f);
					((Transform)val3).localScale = Vector3.one;
					val3.sizeDelta = new Vector2(num2, num2);
					val3.anchoredPosition = new Vector2((float)num3 * num2, (float)(-num4) * num2);
					val.m_marker.SetActive(new Vector2Int(num3, num4) == selectedNr);
					val.m_icon.sprite = val2.m_icon;
					((Behaviour)val.m_icon).enabled = true;
					val.m_tooltip.m_text = val2.m_name;
					val.m_upgrade.SetActive(val2.m_isUpgrade);
				}
				else
				{
					val.m_marker.SetActive(false);
					((Behaviour)val.m_icon).enabled = false;
					val.m_tooltip.m_text = "";
					val.m_upgrade.SetActive(false);
					if (val.m_go.activeSelf)
					{
						val.m_go.SetActive(false);
					}
				}
			}
			hud.UpdatePieceBuildStatus(list, player);
			if (updateAllBuildStatuses || hud.m_lastPieceCategory != category)
			{
				hud.UpdatePieceBuildStatusAll(list, player);
				hud.m_lastPieceCategory = category;
			}
			bool num5 = category != _lastScrollCategory;
			_lastScrollCategory = category;
			UpdateScrollViewContentSize(count, num2);
			UpdateMatchCount(count);
			if (num5)
			{
				ScrollToTop();
				if (GlobalActive())
				{
					NeedsRefresh = true;
				}
			}
			if (AAABuildMenuPlugin.EnableEnhancedMenu.Value.IsOn())
			{
				UpdateFavoriteStars(hud, list);
				UpdatePinIndicators(hud, list);
			}
		}

		private static void EnsureIconCount(Hud hud, int required)
		{
			while (hud.m_pieceIcons.Count < required)
			{
				hud.m_pieceIcons.Add(CreatePieceIcon(hud));
			}
		}

		private static PieceIconData CreatePieceIcon(Hud hud)
		{
			//IL_0012: Unknown result type (might be due to invalid IL or missing references)
			//IL_0017: Unknown result type (might be due to invalid IL or missing references)
			//IL_001e: Unknown result type (might be due to invalid IL or missing references)
			//IL_002a: Unknown result type (might be due to invalid IL or missing references)
			//IL_0045: Unknown result type (might be due to invalid IL or missing references)
			//IL_0060: Unknown result type (might be due to invalid IL or missing references)
			//IL_007b: Unknown result type (might be due to invalid IL or missing references)
			//IL_0081: Unknown result type (might be due to invalid IL or missing references)
			//IL_0127: Expected O, but got Unknown
			GameObject val = Object.Instantiate<GameObject>(hud.m_pieceIconPrefab, (Transform)(object)hud.m_pieceListRoot);
			PieceIconData val2 = new PieceIconData
			{
				m_go = val,
				m_tooltip = val.GetComponent<UITooltip>(),
				m_icon = ((Component)val.transform.Find("icon")).GetComponent<Image>(),
				m_marker = ((Component)val.transform.Find("selected")).gameObject,
				m_upgrade = ((Component)val.transform.Find("upgrade")).gameObject
			};
			((Graphic)val2.m_icon).color = Hud.s_colorRedBlueZeroAlpha;
			UIInputHandler component = val.GetComponent<UIInputHandler>();
			if ((Object)(object)component != (Object)null)
			{
				component.m_onLeftDown = (Action<UIInputHandler>)Delegate.Combine(component.m_onLeftDown, new Action<UIInputHandler>(hud.OnLeftClickPiece));
				component.m_onRightDown = (Action<UIInputHandler>)Delegate.Combine(component.m_onRightDown, new Action<UIInputHandler>(hud.OnRightClickPiece));
				component.m_onPointerEnter = (Action<UIInputHandler>)Delegate.Combine(component.m_onPointerEnter, new Action<UIInputHandler>(hud.OnHoverPiece));
				component.m_onPointerExit = (Action<UIInputHandler>)Delegate.Combine(component.m_onPointerExit, new Action<UIInputHandler>(hud.OnHoverPieceExit));
			}
			return val2;
		}

		public static Vector2Int GetSelectedGridAll(Hud hud, UIInputHandler ih)
		{
			//IL_0019: Unknown result type (might be due to invalid IL or missing references)
			//IL_0070: Unknown result type (might be due to invalid IL or missing references)
			//IL_0056: Unknown result type (might be due to invalid IL or missing references)
			if (hud?.m_pieceIcons == null || (Object)(object)ih == (Object)null)
			{
				return new Vector2Int(-1, -1);
			}
			for (int i = 0; i < hud.m_pieceIcons.Count; i++)
			{
				if ((Object)(object)hud.m_pieceIcons[i]?.m_go == (Object)(object)((Component)ih).gameObject)
				{
					return new Vector2Int(i % Columns, i / Columns);
				}
			}
			return new Vector2Int(-1, -1);
		}

		private static void UpdateScrollViewContentSize(int pieceCount, float spacing)
		{
			//IL_0053: Unknown result type (might be due to invalid IL or missing references)
			if (!((Object)(object)_scrollRect == (Object)null) && !((Object)(object)_scrollRect.content == (Object)null))
			{
				float num = (float)Mathf.Max(1, Mathf.CeilToInt((float)pieceCount / (float)Columns)) * spacing + spacing * 0.25f;
				_scrollRect.content.sizeDelta = new Vector2((float)Columns * spacing, num);
			}
		}

		private static void ScrollToTop()
		{
			PinContentTop();
		}

		private static void PinContentTop()
		{
			//IL_003a: Unknown result type (might be due to invalid IL or missing references)
			//IL_0049: Unknown result type (might be due to invalid IL or missing references)
			if (!((Object)(object)_scrollRect == (Object)null) && !((Object)(object)_scrollRect.content == (Object)null))
			{
				_scrollRect.verticalNormalizedPosition = 1f;
				RectTransform content = _scrollRect.content;
				content.anchoredPosition = new Vector2(content.anchoredPosition.x, 0f);
			}
		}

		private static bool HasActiveFilter()
		{
			if (string.IsNullOrWhiteSpace(_currentFilter.SearchTerm) && _selectedMaterials.Count <= 0 && !_currentFilter.ShowOnlyCraftable && !_currentFilter.ShowMissingMaterials && !_currentFilter.ShowFavoritesOnly && !_currentFilter.ShowRecentOnly)
			{
				return _currentFilter.ShowAll;
			}
			return true;
		}

		private static bool NeedsCustomView()
		{
			if (!HasActiveFilter())
			{
				return AAABuildMenuPlugin.DefaultSortMode.Value != AAABuildMenuPlugin.PieceSortMode.Vanilla;
			}
			return true;
		}

		private static bool GlobalActive()
		{
			if (AAABuildMenuPlugin.SearchAllCategories.Value.IsOn())
			{
				return HasActiveFilter();
			}
			return false;
		}

		public static void CaptureMasterAndApply(Player player, PieceTable pieceTable)
		{
			if (_isInitialized && !((Object)(object)player == (Object)null) && !((Object)(object)pieceTable == (Object)null) && !((Object)(object)player != (Object)(object)Player.m_localPlayer))
			{
				_categoryMasters.Clear();
				for (int i = 0; i < pieceTable.m_availablePieces.Count; i++)
				{
					_categoryMasters[(PieceCategory)i] = new List<Piece>(pieceTable.m_availablePieces[i]);
				}
				if (NeedsCustomView())
				{
					ApplyFilter(player, pieceTable, scrollToTop: false);
				}
			}
		}

		private static List<Piece> GetGlobalAggregate()
		{
			HashSet<Piece> hashSet = new HashSet<Piece>();
			List<Piece> list = new List<Piece>();
			foreach (List<Piece> value in _categoryMasters.Values)
			{
				foreach (Piece item in value)
				{
					if ((Object)(object)item != (Object)null && hashSet.Add(item))
					{
						list.Add(item);
					}
				}
			}
			return list;
		}

		public static void ApplyFilter(Player player, PieceTable pieceTable, bool scrollToTop)
		{
			//IL_001b: Unknown result type (might be due to invalid IL or missing references)
			//IL_0020: Unknown result type (might be due to invalid IL or missing references)
			//IL_0021: Unknown result type (might be due to invalid IL or missing references)
			//IL_0023: Expected I4, but got Unknown
			//IL_003b: Unknown result type (might be due to invalid IL or missing references)
			//IL_005c: Unknown result type (might be due to invalid IL or missing references)
			//IL_00d2: Unknown result type (might be due to invalid IL or missing references)
			if (!_isInitialized || (Object)(object)player == (Object)null || (Object)(object)pieceTable == (Object)null)
			{
				return;
			}
			PieceCategory selectedCategory = pieceTable.GetSelectedCategory();
			int num = (int)selectedCategory;
			if (num >= 0 && num < pieceTable.m_availablePieces.Count)
			{
				if (!_categoryMasters.TryGetValue(selectedCategory, out List<Piece> value))
				{
					value = new List<Piece>(pieceTable.m_availablePieces[num]);
					_categoryMasters[selectedCategory] = value;
				}
				Piece val = SelectedPiece ?? pieceTable.GetSelectedPiece();
				List<Piece> list = ComputeView((List<Piece>)(GlobalActive() ? ((IList)GetGlobalAggregate()) : ((IList)value)), player);
				List<Piece> list2 = pieceTable.m_availablePieces[num];
				list2.Clear();
				list2.AddRange(list);
				int num2 = (((Object)(object)val != (Object)null) ? list.IndexOf(val) : (-1));
				if (num2 < 0)
				{
					num2 = 0;
				}
				pieceTable.SetSelected(new Vector2Int(num2 % Columns, num2 / Columns));
				Piece val2 = (SelectedPiece = ((num2 < list.Count) ? list[num2] : null));
				if ((Object)(object)val2 != (Object)null && val != val2 && (Object)(object)player.m_placementGhost != (Object)null)
				{
					player.SetupPlacementGhost();
				}
				NeedsRefresh = false;
				if (scrollToTop)
				{
					ScrollToTop();
				}
			}
		}

		private static List<Piece> ComputeView(List<Piece> source, Player player)
		{
			IEnumerable<Piece> enumerable = source.Where((Piece p) => (Object)(object)p != (Object)null);
			SearchQuery searchQuery = SearchQuery.Parse(_currentFilter.SearchTerm);
			if (!searchQuery.IsEmpty)
			{
				enumerable = enumerable.Where(((SearchQuery)searchQuery).Matches);
			}
			if (_selectedMaterials.Count > 0)
			{
				enumerable = enumerable.Where(PieceUsesAnySelectedMaterial);
			}
			if (_currentFilter.ShowOnlyCraftable)
			{
				enumerable = enumerable.Where((Piece p) => player.HaveRequirements(p, (RequirementMode)0));
			}
			else if (_currentFilter.ShowMissingMaterials)
			{
				enumerable = enumerable.Where((Piece p) => !player.HaveRequirements(p, (RequirementMode)0));
			}
			if (_currentFilter.ShowFavoritesOnly)
			{
				enumerable = enumerable.Where((Piece p) => BuildMenuDataManager.IsFavorite(Utils.GetPrefabName(((Component)p).gameObject)));
			}
			if (_currentFilter.ShowRecentOnly)
			{
				List<string> recent = BuildMenuDataManager.GetRecentPieces();
				return (from p in enumerable
					where recent.Contains(Utils.GetPrefabName(((Component)p).gameObject))
					orderby recent.IndexOf(Utils.GetPrefabName(((Component)p).gameObject))
					select p).ToList();
			}
			return ApplySort(enumerable).ToList();
		}

		private static bool PieceUsesAnySelectedMaterial(Piece piece)
		{
			if (piece?.m_resources == null)
			{
				return false;
			}
			Requirement[] resources = piece.m_resources;
			foreach (Requirement val in resources)
			{
				if (!((Object)(object)val?.m_resItem == (Object)null) && _selectedMaterials.Contains(Utils.GetPrefabName(((Component)val.m_resItem).gameObject).ToLowerInvariant()))
				{
					return true;
				}
			}
			return false;
		}

		private static IEnumerable<Piece> ApplySort(IEnumerable<Piece> pieces)
		{
			return AAABuildMenuPlugin.DefaultSortMode.Value switch
			{
				AAABuildMenuPlugin.PieceSortMode.Alphabetical => pieces.OrderBy<Piece, string>((Piece p) => Localization.instance.Localize(p.m_name), StringComparer.OrdinalIgnoreCase), 
				AAABuildMenuPlugin.PieceSortMode.Cost => pieces.OrderBy(TotalResourceCost), 
				AAABuildMenuPlugin.PieceSortMode.UsageFrequency => pieces.OrderByDescending((Piece p) => BuildMenuDataManager.GetUsageCount(Utils.GetPrefabName(((Component)p).gameObject))), 
				_ => pieces, 
			};
		}

		private static int TotalResourceCost(Piece piece)
		{
			if (piece.m_resources == null)
			{
				return 0;
			}
			int num = 0;
			Requirement[] resources = piece.m_resources;
			for (int i = 0; i < resources.Length; i++)
			{
				num += resources[i]?.m_amount ?? 0;
			}
			return num;
		}

		private static void CreateSearchBar(Hud hud)
		{
			//IL_000c: Unknown result type (might be due to invalid IL or missing references)
			//IL_0016: Expected O, but got Unknown
			//IL_007c: Unknown result type (might be due to invalid IL or missing references)
			//IL_008b: Unknown result type (might be due to invalid IL or missing references)
			//IL_0091: Expected O, but got Unknown
			//IL_00ae: Unknown result type (might be due to invalid IL or missing references)
			//IL_00b9: Unknown result type (might be due to invalid IL or missing references)
			//IL_00ce: Unknown result type (might be due to invalid IL or missing references)
			//IL_00e2: Unknown result type (might be due to invalid IL or missing references)
			//IL_00fc: Unknown result type (might be due to invalid IL or missing references)
			//IL_0101: Unknown result type (might be due to invalid IL or missing references)
			//IL_0113: Unknown result type (might be due to invalid IL or missing references)
			//IL_011b: Unknown result type (might be due to invalid IL or missing references)
			//IL_0126: Unknown result type (might be due to invalid IL or missing references)
			//IL_013b: Unknown result type (might be due to invalid IL or missing references)
			//IL_0150: Unknown result type (might be due to invalid IL or missing references)
			//IL_015a: Unknown result type (might be due to invalid IL or missing references)
			//IL_0161: Unknown result type (might be due to invalid IL or missing references)
			//IL_0186: Unknown result type (might be due to invalid IL or missing references)
			//IL_01be: Unknown result type (might be due to invalid IL or missing references)
			TMP_FontAsset uiFont = GetUiFont(hud);
			_searchBarObject = new GameObject("EnhancedMenuSearchBar");
			_searchBarObject.SetActive(false);
			_searchBarObject.transform.SetParent(hud.m_pieceSelectionWindow.transform, false);
			RectTransform rect = _searchBarObject.AddComponent<RectTransform>();
			AnchorAboveViewport(hud, rect, SearchStripOffset(), 30f);
			Image obj = _searchBarObject.AddComponent<Image>();
			StyleButtonImage(obj);
			((Graphic)obj).color = new Color(0f, 0f, 0f, 0.65f);
			GameObject val = new GameObject("InputField");
			val.transform.SetParent(_searchBarObject.transform, false);
			RectTransform obj2 = val.AddComponent<RectTransform>();
			obj2.anchorMin = Vector2.zero;
			obj2.anchorMax = Vector2.one;
			obj2.offsetMin = new Vector2(6f, 3f);
			obj2.offsetMax = new Vector2(-36f, -3f);
			_searchInputField = val.AddComponent<TMP_InputField>();
			GameObject val2 = new GameObject("TextArea");
			val2.transform.SetParent(val.transform, false);
			RectTransform val3 = val2.AddComponent<RectTransform>();
			val3.anchorMin = Vector2.zero;
			val3.anchorMax = Vector2.one;
			val3.offsetMin = new Vector2(8f, 0f);
			val3.offsetMax = new Vector2(-8f, 0f);
			val2.AddComponent<RectMask2D>();
			TMP_Text val4 = CreateText(val2.transform, "Placeholder", uiFont, 14f, new Color(0.6f, 0.6f, 0.6f, 0.6f), (TextAlignmentOptions)4097, stretch: true);
			val4.text = Localization.instance.Localize("$aaabuildmenu_search_placeholder");
			TMP_Text textComponent = CreateText(val2.transform, "Text", uiFont, 14f, Color.white, (TextAlignmentOptions)4097, stretch: true);
			_searchInputField.textViewport = val3;
			_searchInputField.textComponent = textComponent;
			_searchInputField.placeholder = (Graphic)(object)val4;
			_searchInputField.fontAsset = uiFont;
			_searchInputField.pointSize = 14f;
			_searchInputField.lineType = (LineType)0;
			_searchInputField.characterLimit = 100;
			((UnityEvent<string>)(object)_searchInputField.onValueChanged).AddListener((UnityAction<string>)OnSearchTextChanged);
			DisableNavigationAndSelection((Selectable)(object)_searchInputField);
			CreateClearButton(hud, uiFont);
			_searchBarObject.SetActive(true);
			AAABuildMenuPlugin.AAABuildMenuLogger.LogInfo((object)"Search bar created successfully");
		}

		private static void CreateClearButton(Hud hud, TMP_FontAsset font)
		{
			//IL_0005: Unknown result type (might be due to invalid IL or missing references)
			//IL_000f: Expected O, but got Unknown
			//IL_0049: Unknown result type (might be due to invalid IL or missing references)
			//IL_005e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0073: Unknown result type (might be due to invalid IL or missing references)
			//IL_0088: Unknown result type (might be due to invalid IL or missing references)
			//IL_009c: Unknown result type (might be due to invalid IL or missing references)
			//IL_0106: Unknown result type (might be due to invalid IL or missing references)
			//IL_00d7: Unknown result type (might be due to invalid IL or missing references)
			//IL_00dc: Unknown result type (might be due to invalid IL or missing references)
			//IL_00e2: Expected O, but got Unknown
			_clearSearchButton = new GameObject("ClearButton");
			_clearSearchButton.SetActive(false);
			_clearSearchButton.transform.SetParent(_searchBarObject.transform, false);
			RectTransform obj = _clearSearchButton.AddComponent<RectTransform>();
			obj.anchorMin = new Vector2(1f, 0.5f);
			obj.anchorMax = new Vector2(1f, 0.5f);
			obj.pivot = new Vector2(1f, 0.5f);
			obj.anchoredPosition = new Vector2(-4f, 0f);
			obj.sizeDelta = new Vector2(26f, 26f);
			Image img = _clearSearchButton.AddComponent<Image>();
			Button obj2 = _clearSearchButton.AddComponent<Button>();
			StyleVanillaButton(obj2, img);
			ButtonClickedEvent onClick = obj2.onClick;
			object obj3 = <>O.<3>__ClearSearch;
			if (obj3 == null)
			{
				UnityAction val = ClearSearch;
				<>O.<3>__ClearSearch = val;
				obj3 = (object)val;
			}
			((UnityEvent)onClick).AddListener((UnityAction)obj3);
			AttachClickSfx(_clearSearchButton);
			CreateText(_clearSearchButton.transform, "Text", font, 18f, Color.white, (TextAlignmentOptions)514, stretch: true).text = "X";
			AAABuildMenuPlugin.AAABuildMenuLogger.LogDebug((object)"Clear button created");
		}

		private static void OnSearchTextChanged(string text)
		{
			if ((Object)(object)_clearSearchButton != (Object)null)
			{
				_clearSearchButton.SetActive(!string.IsNullOrEmpty(text));
			}
			if (!((Object)(object)Hud.instance == (Object)null))
			{
				if (_searchDebounceCoroutine != null)
				{
					((MonoBehaviour)Hud.instance).StopCoroutine(_searchDebounceCoroutine);
				}
				_searchDebounceCoroutine = ((MonoBehaviour)Hud.instance).StartCoroutine(DebounceSearch(text));
			}
		}

		private static IEnumerator DebounceSearch(string text)
		{
			yield return (object)new WaitForSeconds(0.15f);
			_currentFilter.SearchTerm = text;
			NeedsRefresh = true;
		}

		private static void ClearSearch()
		{
			if ((Object)(object)_searchInputField != (Object)null)
			{
				_searchInputField.text = "";
			}
			_currentFilter.SearchTerm = "";
			NeedsRefresh = true;
		}

		private static void CreateFilterButtons(Hud hud)
		{
			//IL_0005: Unknown result type (might be due to invalid IL or missing references)
			//IL_000f: Expected O, but got Unknown
			_filterButtonRow = new GameObject("EnhancedMenuFilterButtons");
			_filterButtonRow.SetActive(false);
			_filterButtonRow.transform.SetParent(hud.m_pieceSelectionWindow.transform, false);
			RectTransform rect = _filterButtonRow.AddComponent<RectTransform>();
			AnchorAboveViewport(hud, rect, FilterStripOffset(), 26f);
			HorizontalLayoutGroup obj = _filterButtonRow.AddComponent<HorizontalLayoutGroup>();
			((HorizontalOrVerticalLayoutGroup)obj).spacing = 6f;
			((LayoutGroup)obj).childAlignment = (TextAnchor)4;
			((HorizontalOrVerticalLayoutGroup)obj).childControlWidth = true;
			((HorizontalOrVerticalLayoutGroup)obj).childControlHeight = true;
			((HorizontalOrVerticalLayoutGroup)obj).childForceExpandWidth = true;
			((HorizontalOrVerticalLayoutGroup)obj).childForceExpandHeight = true;
			bool flag = AAABuildMenuPlugin.SearchAllCategories.Value.IsOn();
			if (flag)
			{
				_allButton = CreateFilterButton(hud, Localization.instance.Localize("$aaabuildmenu_filter_all"), Localization.instance.Localize("$aaabuildmenu_filter_all_tip"), FilterType.All);
			}
			_canCraftButton = CreateFilterButton(hud, Localization.instance.Localize("$aaabuildmenu_filter_cancraft"), Localization.instance.Localize("$aaabuildmenu_filter_cancraft_tip") + (flag ? Localization.instance.Localize("$aaabuildmenu_filter_allcategories_suffix") : ""), FilterType.CanCraft);
			_missingMaterialsButton = CreateFilterButton(hud, Localization.instance.Localize("$aaabuildmenu_filter_missing"), Localization.instance.Localize("$aaabuildmenu_filter_missing_tip"), FilterType.MissingMaterials);
			_favoritesButton = CreateFilterButton(hud, Localization.instance.Localize("$aaabuildmenu_filter_favorites"), Localization.instance.Localize("$aaabuildmenu_filter_favorites_tip"), FilterType.Favorites);
			if (AAABuildMenuPlugin.EnableRecentFilter.Value.IsOn())
			{
				_recentButton = CreateFilterButton(hud, Localization.instance.Localize("$aaabuildmenu_filter_recent"), Localization.instance.Localize("$aaabuildmenu_filter_recent_tip"), FilterType.Recent);
			}
			CreateSortButton(hud);
			CreateMaterialsButton(hud);
			CreateResetButton(hud);
			_filterButtonRow.SetActive(true);
			AAABuildMenuPlugin.AAABuildMenuLogger.LogInfo((object)"Filter buttons created");
		}

		private static void CreateResetButton(Hud hud)
		{
			//IL_0005: Unknown result type (might be due to invalid IL or missing references)
			//IL_000a: Unknown result type (might be due to invalid IL or missing references)
			//IL_0020: Unknown result type (might be due to invalid IL or missing references)
			//IL_003b: Unknown result type (might be due to invalid IL or missing references)
			//IL_0042: Unknown result type (might be due to invalid IL or missing references)
			//IL_0050: Unknown result type (might be due to invalid IL or missing references)
			//IL_0075: Unknown result type (might be due to invalid IL or missing references)
			//IL_0099: Unknown result type (might be due to invalid IL or missing references)
			//IL_00af: Expected O, but got Unknown
			//IL_00b5: Expected O, but got Unknown
			//IL_00cb: Unknown result type (might be due to invalid IL or missing references)
			//IL_00d0: Unknown result type (might be due to invalid IL or missing references)
			//IL_00d6: Expected O, but got Unknown
			GameObject val = new GameObject("ResetButton");
			val.transform.SetParent(_filterButtonRow.transform, false);
			LayoutElement obj = val.AddComponent<LayoutElement>();
			obj.minWidth = 56f;
			obj.flexibleWidth = 1f;
			Image img = val.AddComponent<Image>();
			Button val2 = val.AddComponent<Button>();
			StyleVanillaButton(val2, img);
			CreateText(val.transform, "Text", GetUiFont(hud), 12f, new Color(1f, 0.8f, 0.8f), (TextAlignmentOptions)514, stretch: true).text = Localization.instance.Localize("$aaabuildmenu_reset");
			AddTooltip(val, Localization.instance.Localize("$aaabuildmenu_reset_tip"), hud);
			AttachClickSfx(val);
			ButtonClickedEvent onClick = val2.onClick;
			object obj2 = <>O.<4>__ResetAllFilters;
			if (obj2 == null)
			{
				UnityAction val3 = ResetAllFilters;
				<>O.<4>__ResetAllFilters = val3;
				obj2 = (object)val3;
			}
			((UnityEvent)onClick).AddListener((UnityAction)obj2);
		}

		private static void CreateSortButton(Hud hud)
		{
			//IL_0005: Unknown result type (might be due to invalid IL or missing references)
			//IL_000f: Expected O, but got Unknown
			//IL_007e: Unknown result type (might be due to invalid IL or missing references)
			//IL_00d2: Unknown result type (might be due to invalid IL or missing references)
			//IL_00d7: Unknown result type (might be due to invalid IL or missing references)
			//IL_00dd: Expected O, but got Unknown
			_sortButton = new GameObject("SortButton");
			_sortButton.transform.SetParent(_filterButtonRow.transform, false);
			LayoutElement obj = _sortButton.AddComponent<LayoutElement>();
			obj.minWidth = 70f;
			obj.flexibleWidth = 1f;
			Image img = _sortButton.AddComponent<Image>();
			Button obj2 = _sortButton.AddComponent<Button>();
			StyleVanillaButton(obj2, img);
			_sortButtonText = CreateText(_sortButton.transform, "Text", GetUiFont(hud), 12f, Color.white, (TextAlignmentOptions)514, stretch: true);
			UpdateSortButtonLabel();
			AddTooltip(_sortButton, Localization.instance.Localize("$aaabuildmenu_sort_tip"), hud);
			AttachClickSfx(_sortButton);
			ButtonClickedEvent onClick = obj2.onClick;
			object obj3 = <>O.<5>__CycleSortMode;
			if (obj3 == null)
			{
				UnityAction val = CycleSortMode;
				<>O.<5>__CycleSortMode = val;
				obj3 = (object)val;
			}
			((UnityEvent)onClick).AddListener((UnityAction)obj3);
		}

		private static void CycleSortMode()
		{
			AAABuildMenuPlugin.PieceSortMode[] array = (AAABuildMenuPlugin.PieceSortMode[])Enum.GetValues(typeof(AAABuildMenuPlugin.PieceSortMode));
			int num = (Array.IndexOf(array, AAABuildMenuPlugin.DefaultSortMode.Value) + 1) % array.Length;
			AAABuildMenuPlugin.DefaultSortMode.Value = array[num];
			UpdateSortButtonLabel();
			NeedsRefresh = true;
		}

		private static void UpdateSortButtonLabel()
		{
			if ((Object)(object)_sortButtonText != (Object)null)
			{
				_sortButtonText.text = Localization.instance.Localize("$aaabuildmenu_sort_label") + " " + Localization.instance.Localize("$aaabuildmenu_sort_" + AAABuildMenuPlugin.DefaultSortMode.Value.ToString().ToLowerInvariant());
			}
		}

		private static void CreateMaterialsButton(Hud hud)
		{
			//IL_0012: Unknown result type (might be due to invalid IL or missing references)
			//IL_001c: Expected O, but got Unknown
			//IL_0090: Unknown result type (might be due to invalid IL or missing references)
			//IL_00ea: Unknown result type (might be due to invalid IL or missing references)
			//IL_00f4: Expected O, but got Unknown
			_materialsButton = new GameObject("MaterialsButton");
			_materialsButton.transform.SetParent(_filterButtonRow.transform, false);
			LayoutElement obj = _materialsButton.AddComponent<LayoutElement>();
			obj.minWidth = 80f;
			obj.flexibleWidth = 1f;
			Image img = _materialsButton.AddComponent<Image>();
			Button obj2 = _materialsButton.AddComponent<Button>();
			StyleVanillaButton(obj2, img);
			CreateText(_materialsButton.transform, "Text", GetUiFont(hud), 12f, Color.white, (TextAlignmentOptions)514, stretch: true).text = Localization.instance.Localize("$aaabuildmenu_materials");
			AddTooltip(_materialsButton, Localization.instance.Localize("$aaabuildmenu_materials_tip"), hud);
			AttachClickSfx(_materialsButton);
			((UnityEvent)obj2.onClick).AddListener((UnityAction)delegate
			{
				ToggleMaterialsDropdown(hud);
			});
		}

		private static void ToggleMaterialsDropdown(Hud hud)
		{
			if ((Object)(object)_materialsDropdown != (Object)null && _materialsDropdown.activeSelf)
			{
				_materialsDropdown.SetActive(false);
				return;
			}
			BuildMaterialsDropdown(hud);
			if ((Object)(object)_materialsDropdown != (Object)null)
			{
				if ((Object)(object)_materialsSearchField != (Object)null)
				{
					_materialsSearchField.text = "";
				}
				PopulateMaterialsDropdown(hud);
				PositionMaterialsDropdown(hud);
				_materialsDropdown.SetActive(true);
				_materialsDropdown.transform.SetAsLastSibling();
			}
		}

		private static void PositionMaterialsDropdown(Hud hud)
		{
			//IL_0026: Unknown result type (might be due to invalid IL or missing references)
			//IL_0035: Unknown result type (might be due to invalid IL or missing references)
			//IL_003b: Expected O, but got Unknown
			//IL_0045: Unknown result type (might be due to invalid IL or missing references)
			//IL_004b: Expected O, but got Unknown
			//IL_005e: Unknown result type (might be due to invalid IL or missing references)
			//IL_006c: Unknown result type (might be due to invalid IL or missing references)
			//IL_006f: Unknown result type (might be due to invalid IL or missing references)
			//IL_0074: Unknown result type (might be due to invalid IL or missing references)
			//IL_0079: Unknown result type (might be due to invalid IL or missing references)
			//IL_007d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0082: Unknown result type (might be due to invalid IL or missing references)
			//IL_0087: Unknown result type (might be due to invalid IL or missing references)
			//IL_008a: Unknown result type (might be due to invalid IL or missing references)
			//IL_0091: Unknown result type (might be due to invalid IL or missing references)
			//IL_0099: Unknown result type (might be due to invalid IL or missing references)
			//IL_00a0: Unknown result type (might be due to invalid IL or missing references)
			//IL_00ae: Unknown result type (might be due to invalid IL or missing references)
			if (!((Object)(object)_materialsDropdown == (Object)null) && !((Object)(object)_materialsButton == (Object)null))
			{
				RectTransform val = (RectTransform)hud.m_pieceSelectionWindow.transform;
				RectTransform val2 = (RectTransform)_materialsButton.transform;
				RectTransform val3 = (RectTransform)_materialsDropdown.transform;
				Canvas.ForceUpdateCanvases();
				Vector3[] array = (Vector3[])(object)new Vector3[4];
				Vector3[] array2 = (Vector3[])(object)new Vector3[4];
				val.GetWorldCorners(array);
				val2.GetWorldCorners(array2);
				Vector3 val4 = ((Transform)val).InverseTransformPoint(array[1]);
				Vector3 val5 = ((Transform)val).InverseTransformPoint(array2[0]);
				val3.anchoredPosition = new Vector2(val5.x - val4.x, val5.y - val4.y - 2f);
			}
		}

		private static void BuildMaterialsDropdown(Hud hud)
		{
			//IL_0019: Unknown result type (might be due to invalid IL or missing references)
			//IL_0023: Expected O, but got Unknown
			//IL_005e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0073: Unknown result type (might be due to invalid IL or missing references)
			//IL_0088: Unknown result type (might be due to invalid IL or missing references)
			//IL_009c: Unknown result type (might be due to invalid IL or missing references)
			//IL_00ca: Unknown result type (might be due to invalid IL or missing references)
			//IL_010e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0114: Expected O, but got Unknown
			//IL_0132: Unknown result type (might be due to invalid IL or missing references)
			//IL_013d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0152: Unknown result type (might be due to invalid IL or missing references)
			//IL_0164: Unknown result type (might be due to invalid IL or missing references)
			//IL_018f: Unknown result type (might be due to invalid IL or missing references)
			//IL_019e: Unknown result type (might be due to invalid IL or missing references)
			//IL_01a3: Unknown result type (might be due to invalid IL or missing references)
			//IL_01b5: Unknown result type (might be due to invalid IL or missing references)
			//IL_01cf: Unknown result type (might be due to invalid IL or missing references)
			//IL_01e8: Unknown result type (might be due to invalid IL or missing references)
			//IL_0201: Unknown result type (might be due to invalid IL or missing references)
			//IL_0210: Unknown result type (might be due to invalid IL or missing references)
			//IL_021f: Unknown result type (might be due to invalid IL or missing references)
			//IL_0229: Unknown result type (might be due to invalid IL or missing references)
			//IL_023f: Unknown result type (might be due to invalid IL or missing references)
			//IL_0249: Expected O, but got Unknown
			//IL_0294: Unknown result type (might be due to invalid IL or missing references)
			//IL_029a: Expected O, but got Unknown
			//IL_02c1: Unknown result type (might be due to invalid IL or missing references)
			//IL_02d6: Unknown result type (might be due to invalid IL or missing references)
			//IL_02eb: Unknown result type (might be due to invalid IL or missing references)
			//IL_0300: Unknown result type (might be due to invalid IL or missing references)
			//IL_0311: Unknown result type (might be due to invalid IL or missing references)
			//IL_033b: Unknown result type (might be due to invalid IL or missing references)
			//IL_034a: Unknown result type (might be due to invalid IL or missing references)
			//IL_034f: Unknown result type (might be due to invalid IL or missing references)
			//IL_0361: Unknown result type (might be due to invalid IL or missing references)
			//IL_036b: Unknown result type (might be due to invalid IL or missing references)
			//IL_0377: Unknown result type (might be due to invalid IL or missing references)
			//IL_0383: Unknown result type (might be due to invalid IL or missing references)
			//IL_03b1: Unknown result type (might be due to invalid IL or missing references)
			if (!((Object)(object)_materialsDropdown != (Object)null))
			{
				TMP_FontAsset uiFont = GetUiFont(hud);
				_materialsDropdown = new GameObject("MaterialsDropdown");
				_materialsDropdown.SetActive(false);
				_materialsDropdown.transform.SetParent(hud.m_pieceSelectionWindow.transform, false);
				RectTransform obj = _materialsDropdown.AddComponent<RectTransform>();
				obj.anchorMin = new Vector2(0f, 1f);
				obj.anchorMax = new Vector2(0f, 1f);
				obj.pivot = new Vector2(0f, 1f);
				obj.sizeDelta = new Vector2(240f, 340f);
				Image obj2 = _materialsDropdown.AddComponent<Image>();
				StyleButtonImage(obj2);
				((Graphic)obj2).color = new Color(0.06f, 0.06f, 0.06f, 0.98f);
				BuildMaterialsSearchField(uiFont);
				float num = 34f;
				ScrollRect obj3 = _materialsDropdown.AddComponent<ScrollRect>();
				obj3.horizontal = false;
				obj3.vertical = true;
				obj3.movementType = (MovementType)2;
				obj3.scrollSensitivity = 100f;
				GameObject val = new GameObject("Viewport");
				val.transform.SetParent(_materialsDropdown.transform, false);
				RectTransform val2 = val.AddComponent<RectTransform>();
				val2.anchorMin = Vector2.zero;
				val2.anchorMax = Vector2.one;
				val2.offsetMin = new Vector2(4f, 4f);
				val2.offsetMax = new Vector2(-15f, 0f - num);
				val.AddComponent<RectMask2D>();
				((Graphic)val.AddComponent<Image>()).color = new Color(0f, 0f, 0f, 0f);
				GameObject val3 = new GameObject("Content");
				val3.transform.SetParent(val.transform, false);
				_materialsListContent = val3.AddComponent<RectTransform>();
				_materialsListContent.anchorMin = new Vector2(0f, 1f);
				_materialsListContent.anchorMax = new Vector2(1f, 1f);
				_materialsListContent.pivot = new Vector2(0.5f, 1f);
				_materialsListContent.anchoredPosition = Vector2.zero;
				_materialsListContent.sizeDelta = Vector2.zero;
				VerticalLayoutGroup obj4 = val3.AddComponent<VerticalLayoutGroup>();
				((HorizontalOrVerticalLayoutGroup)obj4).spacing = 2f;
				((LayoutGroup)obj4).padding = new RectOffset(2, 2, 2, 2);
				((LayoutGroup)obj4).childAlignment = (TextAnchor)0;
				((HorizontalOrVerticalLayoutGroup)obj4).childControlWidth = true;
				((HorizontalOrVerticalLayoutGroup)obj4).childControlHeight = true;
				((HorizontalOrVerticalLayoutGroup)obj4).childForceExpandWidth = true;
				((HorizontalOrVerticalLayoutGroup)obj4).childForceExpandHeight = false;
				ContentSizeFitter obj5 = val3.AddComponent<ContentSizeFitter>();
				obj5.horizontalFit = (FitMode)0;
				obj5.verticalFit = (FitMode)2;
				obj3.viewport = val2;
				obj3.content = _materialsListContent;
				GameObject val4 = new GameObject("Scrollbar");
				val4.transform.SetParent(_materialsDropdown.transform, false);
				RectTransform obj6 = val4.AddComponent<RectTransform>();
				obj6.anchorMin = new Vector2(1f, 0f);
				obj6.anchorMax = new Vector2(1f, 1f);
				obj6.pivot = new Vector2(1f, 0.5f);
				obj6.offsetMin = new Vector2(-13f, 4f);
				obj6.offsetMax = new Vector2(-4f, 0f - num);
				Image obj7 = val4.AddComponent<Image>();
				StyleButtonImage(obj7);
				((Graphic)obj7).color = new Color(0.191f, 0.078f, 0.078f, 1f);
				GameObject val5 = new GameObject("Handle");
				val5.transform.SetParent(val4.transform, false);
				RectTransform val6 = val5.AddComponent<RectTransform>();
				val6.anchorMin = Vector2.zero;
				val6.anchorMax = Vector2.one;
				val6.sizeDelta = Vector2.zero;
				Image val7 = val5.AddComponent<Image>();
				StyleButtonImage(val7);
				((Graphic)val7).color = new Color(0.8529f, 0.725f, 0.5331f, 1f);
				Scrollbar val8 = val4.AddComponent<Scrollbar>();
				val8.handleRect = val6;
				val8.direction = (Direction)2;
				((Selectable)val8).targetGraphic = (Graphic)(object)val7;
				DisableNavigationAndSelection((Selectable)(object)val8);
				obj3.verticalScrollbar = val8;
				obj3.verticalScrollbarVisibility = (ScrollbarVisibility)1;
			}
		}

		private static void BuildMaterialsSearchField(TMP_FontAsset font)
		{
			//IL_0005: Unknown result type (might be due to invalid IL or missing references)
			//IL_000b: Expected O, but got Unknown
			//IL_0032: Unknown result type (might be due to invalid IL or missing references)
			//IL_0047: Unknown result type (might be due to invalid IL or missing references)
			//IL_005c: Unknown result type (might be due to invalid IL or missing references)
			//IL_0071: Unknown result type (might be due to invalid IL or missing references)
			//IL_0085: Unknown result type (might be due to invalid IL or missing references)
			//IL_00af: Unknown result type (might be due to invalid IL or missing references)
			//IL_00c9: Unknown result type (might be due to invalid IL or missing references)
			//IL_00ce: Unknown result type (might be due to invalid IL or missing references)
			//IL_00e0: Unknown result type (might be due to invalid IL or missing references)
			//IL_00e8: Unknown result type (might be due to invalid IL or missing references)
			//IL_00f3: Unknown result type (might be due to invalid IL or missing references)
			//IL_0108: Unknown result type (might be due to invalid IL or missing references)
			//IL_011d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0127: Unknown result type (might be due to invalid IL or missing references)
			//IL_012e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0153: Unknown result type (might be due to invalid IL or missing references)
			//IL_0189: Unknown result type (might be due to invalid IL or missing references)
			GameObject val = new GameObject("MatSearch");
			val.transform.SetParent(_materialsDropdown.transform, false);
			RectTransform obj = val.AddComponent<RectTransform>();
			obj.anchorMin = new Vector2(0f, 1f);
			obj.anchorMax = new Vector2(1f, 1f);
			obj.pivot = new Vector2(0.5f, 1f);
			obj.offsetMin = new Vector2(4f, -30f);
			obj.offsetMax = new Vector2(-4f, -4f);
			Image obj2 = val.AddComponent<Image>();
			StyleButtonImage(obj2);
			((Graphic)obj2).color = new Color(0f, 0f, 0f, 0.5f);
			_materialsSearchField = val.AddComponent<TMP_InputField>();
			GameObject val2 = new GameObject("TextArea");
			val2.transform.SetParent(val.transform, false);
			RectTransform val3 = val2.AddComponent<RectTransform>();
			val3.anchorMin = Vector2.zero;
			val3.anchorMax = Vector2.one;
			val3.offsetMin = new Vector2(6f, 0f);
			val3.offsetMax = new Vector2(-6f, 0f);
			val2.AddComponent<RectMask2D>();
			TMP_Text val4 = CreateText(val2.transform, "Placeholder", font, 13f, new Color(0.7f, 0.7f, 0.7f, 0.6f), (TextAlignmentOptions)4097, stretch: true);
			val4.text = Localization.instance.Localize("$aaabuildmenu_materials_filter_placeholder");
			TMP_Text textComponent = CreateText(val2.transform, "Text", font, 13f, Color.white, (TextAlignmentOptions)4097, stretch: true);
			_materialsSearchField.textViewport = val3;
			_materialsSearchField.textComponent = textComponent;
			_materialsSearchField.placeholder = (Graphic)(object)val4;
			_materialsSearchField.fontAsset = font;
			_materialsSearchField.pointSize = 13f;
			_materialsSearchField.lineType = (LineType)0;
			((UnityEvent<string>)(object)_materialsSearchField.onValueChanged).AddListener((UnityAction<string>)delegate
			{
				PopulateMaterialsDropdown(_hud);
			});
			DisableNavigationAndSelection((Selectable)(object)_materialsSearchField);
		}

		private static void PopulateMaterialsDropdown(Hud hud)
		{
			if ((Object)(object)_materialsListContent == (Object)null)
			{
				return;
			}
			for (int num = ((Transform)_materialsListContent).childCount - 1; num >= 0; num--)
			{
				Object.Destroy((Object)(object)((Component)((Transform)_materialsListContent).GetChild(num)).gameObject);
			}
			string value = (((Object)(object)_materialsSearchField != (Object)null) ? _materialsSearchField.text.Trim() : "");
			bool flag = !string.IsNullOrEmpty(value);
			AddMaterialEntry(hud, Localization.instance.Localize("$aaabuildmenu_materials_clear"), null);
			if (!flag && AAABuildMenuPlugin.ShowMaterialChips.Value.IsOn())
			{
				List<KeyValuePair<string, string>> list = ComputeTopMaterials(Mathf.Clamp(AAABuildMenuPlugin.MaterialChipCount.Value, 1, 30));
				if (list.Count > 0)
				{
					AddSectionHeader(hud, Localization.instance.Localize("$aaabuildmenu_section_common"));
					foreach (KeyValuePair<string, string> item in list)
					{
						AddMaterialEntry(hud, item.Key, item.Value);
					}
					AddSectionHeader(hud, Localization.instance.Localize("$aaabuildmenu_section_all"));
				}
			}
			foreach (KeyValuePair<string, string> allMaterial in GetAllMaterials())
			{
				if (!flag || allMaterial.Key.IndexOf(value, StringComparison.OrdinalIgnoreCase) >= 0)
				{
					AddMaterialEntry(hud, allMaterial.Key, allMaterial.Value);
				}
			}
		}

		private static void AddSectionHeader(Hud hud, string label)
		{
			//IL_0029: Unknown result type (might be due to invalid IL or missing references)
			//IL_005c: Unknown result type (might be due to invalid IL or missing references)
			TMP_Text obj = CreateText((Transform)(object)_materialsListContent, "Header", GetUiFont(hud), 11f, new Color(1f, 0.86f, 0.4f, 0.9f), (TextAlignmentOptions)513);
			obj.text = label;
			obj.fontStyle = (FontStyles)1;
			obj.margin = new Vector4(4f, 0f, 4f, 0f);
			((Graphic)obj).raycastTarget = false;
			((Component)obj).gameObject.AddComponent<LayoutElement>().minHeight = 16f;
		}

		private static void AddMaterialEntry(Hud hud, string display, string? token)
		{
			//IL_0019: Unknown result type (might be due to invalid IL or missing references)
			//IL_001e: Unknown result type (might be due to invalid IL or missing references)
			//IL_002f: Unknown result type (might be due to invalid IL or missing references)
			//IL_005b: Unknown result type (might be due to invalid IL or missing references)
			//IL_0087: Unknown result type (might be due to invalid IL or missing references)
			//IL_0080: Unknown result type (might be due to invalid IL or missing references)
			//IL_0091: Unknown result type (might be due to invalid IL or missing references)
			//IL_00a5: Unknown result type (might be due to invalid IL or missing references)
			//IL_00c0: Unknown result type (might be due to invalid IL or missing references)
			//IL_00ec: Unknown result type (might be due to invalid IL or missing references)
			//IL_0108: Expected O, but got Unknown
			//IL_0115: Unknown result type (might be due to invalid IL or missing references)
			//IL_011f: Expected O, but got Unknown
			GameObject val = new GameObject("mat");
			val.transform.SetParent((Transform)(object)_materialsListContent, false);
			val.AddComponent<LayoutElement>().minHeight = 22f;
			bool flag = token != null && _selectedMaterials.Contains(token);
			Image val2 = val.AddComponent<Image>();
			StyleButtonImage(val2);
			((Graphic)val2).color = (Color)(flag ? ActiveFilterColor : new Color(0.2f, 0.2f, 0.2f, 0.9f));
			Button val3 = val.AddComponent<Button>();
			((Selectable)val3).targetGraphic = (Graphic)(object)val2;
			DisableNavigationAndSelection((Selectable)(object)val3);
			TMP_Text obj = CreateText(val.transform, "Text", GetUiFont(hud), 12f, Color.white, (TextAlignmentOptions)513, stretch: true);
			obj.text = display;
			obj.margin = new Vector4(6f, 0f, 6f, 0f);
			obj.textWrappingMode = (TextWrappingModes)0;
			obj.overflowMode = (TextOverflowModes)1;
			AttachClickSfx(val);
			((UnityEvent)val3.onClick).AddListener((UnityAction)delegate
			{
				if (token == null)
				{
					_selectedMaterials.Clear();
				}
				else if (!_selectedMaterials.Add(token))
				{
					_selectedMaterials.Remove(token);
				}
				NeedsRefresh = true;
				PopulateMaterialsDropdown(hud);
			});
		}

		private static List<KeyValuePair<string, string>> GetAllMaterials()
		{
			Dictionary<string, string> dictionary = new Dictionary<string, string>();
			foreach (List<Piece> value2 in _categoryMasters.Values)
			{
				foreach (Piece item in value2)
				{
					if (item?.m_resources == null)
					{
						continue;
					}
					Requirement[] resources = item.m_resources;
					foreach (Requirement val in resources)
					{
						if (!((Object)(object)val?.m_resItem == (Object)null))
						{
							string text = Localization.instance.Localize(val.m_resItem.m_itemData.m_shared.m_name);
							string value = Utils.GetPrefabName(((Component)val.m_resItem).gameObject).ToLowerInvariant();
							if (!string.IsNullOrEmpty(text))
							{
								dictionary[text] = value;
							}
						}
					}
				}
			}
			return dictionary.OrderBy<KeyValuePair<string, string>, string>((KeyValuePair<string, string> kv) => kv.Key, StringComparer.OrdinalIgnoreCase).ToList();
		}

		private static FilterButton CreateFilterButton(Hud hud, string label, string tooltip, FilterType filterType)
		{
			//IL_0016: Unknown result type (might be due to invalid IL or missing references)
			//IL_001c: Expected O, but got Unknown
			//IL_006d: Unknown result type (might be due to invalid IL or missing references)
			//IL_00d9: Unknown result type (might be due to invalid IL or missing references)
			//IL_00e3: Expected O, but got Unknown
			GameObject val = new GameObject($"Filter_{filterType}");
			val.transform.SetParent(_filterButtonRow.transform, false);
			val.AddComponent<LayoutElement>().flexibleWidth = 1f;
			Image val2 = val.AddComponent<Image>();
			Button val3 = val.AddComponent<Button>();
			StyleVanillaButton(val3, val2);
			TMP_Text val4 = CreateText(val.transform, "Text", GetUiFont(hud), 13f, Color.white, (TextAlignmentOptions)514, stretch: true);
			val4.text = label;
			AddTooltip(val, tooltip, hud);
			AttachClickSfx(val);
			FilterButton filterButton = new FilterButton
			{
				GameObject = val,
				Button = val3,
				Background = val2,
				Text = val4,
				FilterType = filterType,
				IsActive = false
			};
			((UnityEvent)val3.onClick).AddListener((UnityAction)delegate
			{
				OnFilterButtonClicked(filterButton);
			});
			return filterButton;
		}

		private static void OnFilterButtonClicked(FilterButton filterButton)
		{
			//IL_0024: Unknown result type (might be due to invalid IL or missing references)
			//IL_001d: Unknown result type (might be due to invalid IL or missing references)
			filterButton.IsActive = !filterButton.IsActive;
			((Graphic)filterButton.Background).color = (filterButton.IsActive ? ActiveFilterColor : InactiveFilterColor);
			switch (filterButton.FilterType)
			{
			case FilterType.CanCraft:
				_currentFilter.ShowOnlyCraftable = filterButton.IsActive;
				if (filterButton.IsActive)
				{
					DeactivateButton(_missingMaterialsButton, delegate
					{
						_currentFilter.ShowMissingMaterials = false;
					});
				}
				break;
			case FilterType.MissingMaterials:
				_currentFilter.ShowMissingMaterials = filterButton.IsActive;
				if (filterButton.IsActive)
				{
					DeactivateButton(_canCraftButton, delegate
					{
						_currentFilter.ShowOnlyCraftable = false;
					});
				}
				break;
			case FilterType.Favorites:
				_currentFilter.ShowFavoritesOnly = filterButton.IsActive;
				break;
			case FilterType.Recent:
				_currentFilter.ShowRecentOnly = filterButton.IsActive;
				break;
			case FilterType.All:
				_currentFilter.ShowAll = filterButton.IsActive;
				break;
			}
			NeedsRefresh = true;
			AAABuildMenuPlugin.AAABuildMenuLogger.LogDebug((object)$"Filter {filterButton.FilterType} toggled to {filterButton.IsActive}");
		}

		private static void DeactivateButton(FilterButton button, Action clearState)
		{
			//IL_0017: Unknown result type (might be due to invalid IL or missing references)
			clearState();
			if (button != null)
			{
				button.IsActive = false;
				((Graphic)button.Background).color = InactiveFilterColor;
			}
		}

		public static void UpdateFavoriteStars(Hud hud, List<Piece> pieces)
		{
			//IL_0123: Unknown result type (might be due to invalid IL or missing references)
			//IL_012d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0137: Unknown result type (might be due to invalid IL or missing references)
			//IL_0117: Unknown result type (might be due to invalid IL or missing references)
			//IL_010b: Unknown result type (might be due to invalid IL or missing references)
			//IL_0205: Unknown result type (might be due to invalid IL or missing references)
			//IL_01ea: Unknown result type (might be due to invalid IL or missing references)
			if (hud?.m_pieceIcons == null || pieces == null)
			{
				return;
			}
			Image val3 = default(Image);
			for (int i = 0; i < hud.m_pieceIcons.Count; i++)
			{
				PieceIconData val = hud.m_pieceIcons[i];
				if ((Object)(object)val?.m_go == (Object)null)
				{
					continue;
				}
				Piece val2 = ((i < pieces.Count) ? pieces[i] : null);
				bool flag = (Object)(object)val2 != (Object)null && BuildMenuDataManager.IsFavorite(PrefabName(val2));
				bool flag2 = (Object)(object)val2 != (Object)null && AAABuildMenuPlugin.EnablePinning.Value.IsOn() && BuildMenuDataManager.IsPinned(PrefabName(val2));
				bool flag3 = (Object)(object)val2 != (Object)null && (Object)(object)Hud.instance != (Object)null && (Object)(object)Hud.instance.m_hoveredPiece == (Object)(object)val2;
				GameObject orCreateStatusBorder = GetOrCreateStatusBorder(val, hud);
				bool flag4 = flag || flag2;
				if ((Object)(object)orCreateStatusBorder != (Object)null)
				{
					if (orCreateStatusBorder.activeSelf != flag4)
					{
						orCreateStatusBorder.SetActive(flag4);
					}
					if (flag4 && orCreateStatusBorder.TryGetComponent<Image>(ref val3))
					{
						((Graphic)val3).color = ((flag && flag2) ? Color.Lerp(AAABuildMenuPlugin.FavoriteBorderColor.Value, AAABuildMenuPlugin.PinnedBorderColor.Value, 0.5f) : (flag2 ? AAABuildMenuPlugin.PinnedBorderColor.Value : AAABuildMenuPlugin.FavoriteBorderColor.Value));
					}
				}
				bool flag5 = (Object)(object)val2 != (Object)null && flag3 && AAABuildMenuPlugin.ShowFavoriteStar.Value.IsOn();
				if (!_favoriteStars.TryGetValue(val.m_go, out GameObject value) || (Object)(object)value == (Object)null)
				{
					if (!flag5)
					{
						continue;
					}
					value = CreateFavoriteStar(val.m_go, hud);
					_favoriteStars[val.m_go] = value;
				}
				if (value.activeSelf != flag5)
				{
					value.SetActive(flag5);
				}
				if (flag5)
				{
					Graphic component = value.GetComponent<Graphic>();
					if ((Object)(object)component != (Object)null)
					{
						component.color = (flag ? new Color(1f, 0.84f, 0f, 1f) : new Color(1f, 1f, 1f, 0.4f));
					}
				}
			}
		}

		private static GameObject GetOrCreateStatusBorder(PieceIconData iconData, Hud hud)
		{
			//IL_0038: Unknown result type (might be due to invalid IL or missing references)
			//IL_003e: Expected O, but got Unknown
			//IL_0063: Unknown result type (might be due to invalid IL or missing references)
			//IL_006e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0079: Unknown result type (might be due to invalid IL or missing references)
			//IL_0083: Unknown result type (might be due to invalid IL or missing references)
			//IL_00ab: Unknown result type (might be due to invalid IL or missing references)
			if (_favoriteBorders.TryGetValue(iconData.m_go, out GameObject value) && (Object)(object)value != (Object)null)
			{
				return value;
			}
			if (_favoriteBorderSprite == null)
			{
				_favoriteBorderSprite = ProceduralSprites.Border(64, 6);
			}
			GameObject val = new GameObject("StatusBorder");
			val.SetActive(false);
			val.transform.SetParent(iconData.m_go.transform, false);
			RectTransform obj = val.AddComponent<RectTransform>();
			obj.anchorMin = Vector2.zero;
			obj.anchorMax = Vector2.one;
			obj.offsetMin = Vector2.zero;
			obj.offsetMax = Vector2.zero;
			Image obj2 = val.AddComponent<Image>();
			obj2.sprite = _favoriteBorderSprite;
			obj2.type = (Type)1;
			((Graphic)obj2).color = AAABuildMenuPlugin.FavoriteBorderColor.Value;
			((Graphic)obj2).raycastTarget = false;
			_favoriteBorders[iconData.m_go] = val;
			return val;
		}

		private static GameObject CreateFavoriteStar(GameObject pieceIcon, Hud hud)
		{
			//IL_0020: Unknown result type (might be due to invalid IL or missing references)
			//IL_0025: Unknown result type (might be due to invalid IL or missing references)
			//IL_002c: Unknown result type (might be due to invalid IL or missing references)
			//IL_0043: Unknown result type (might be due to invalid IL or missing references)
			//IL_0054: Unknown result type (might be due to invalid IL or missing references)
			//IL_0069: Unknown result type (might be due to invalid IL or missing references)
			//IL_007e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0093: Unknown result type (might be due to invalid IL or missing references)
			//IL_00a7: Unknown result type (might be due to invalid IL or missing references)
			//IL_00b1: Unknown result type (might be due to invalid IL or missing references)
			//IL_00d2: Unknown result type (might be due to invalid IL or missing references)
			//IL_00dc: Expected O, but got Unknown
			//IL_00dd: Unknown result type (might be due to invalid IL or missing references)
			//IL_00f8: Unknown result type (might be due to invalid IL or missing references)
			//IL_010c: Unknown result type (might be due to invalid IL or missing references)
			//IL_0116: Unknown result type (might be due to invalid IL or missing references)
			//IL_013c: Unknown result type (might be due to invalid IL or missing references)
			//IL_0146: Expected O, but got Unknown
			//IL_0146: Unknown result type (might be due to invalid IL or missing references)
			//IL_015c: Expected O, but got Unknown
			//IL_015d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0163: Expected O, but got Unknown
			//IL_0164: Expected O, but got Unknown
			Sprite sprite = ProceduralSprites.Star(64);
			GameObject val = new GameObject("FavoriteStar");
			val.SetActive(false);
			val.transform.SetParent(pieceIcon.transform, false);
			RectTransform obj = val.AddComponent<RectTransform>();
			obj.anchorMin = new Vector2(1f, 1f);
			obj.anchorMax = new Vector2(1f, 1f);
			obj.pivot = new Vector2(1f, 1f);
			obj.anchoredPosition = new Vector2(-2f, -2f);
			obj.sizeDelta = new Vector2(16f, 16f);
			Graphic targetGraphic = MakeBadgeGraphic(val, sprite, hud, "*", 22f, new Color(1f, 0.84f, 0f, 1f));
			Shadow obj2 = val.AddComponent<Shadow>();
			obj2.effectColor = new Color(0f, 0f, 0f, 0.8f);
			obj2.effectDistance = new Vector2(1f, -1f);
			Button obj3 = val.AddComponent<Button>();
			((Selectable)obj3).transition = (Transition)0;
			((Selectable)obj3).targetGraphic = targetGraphic;
			DisableNavigationAndSelection((Selectable)(object)obj3);
			((UnityEvent)obj3.onClick).AddListener((UnityAction)delegate
			{
				ToggleFavoriteForIcon(pieceIcon);
			});
			AddTooltip(val, Localization.instance.Localize("$aaabuildmenu_favorite"), hud);
			AttachClickSfx(val);
			return val;
		}

		private static Graphic MakeBadgeGraphic(GameObject host, Sprite? sprite, Hud hud, string glyph, float glyphSize, Color color)
		{
			//IL_004f: Unknown result type (might be due to invalid IL or missing references)
			//IL_001e: Unknown result type (might be due to invalid IL or missing references)
			if ((Object)(object)sprite != (Object)null)
			{
				Image obj = host.AddComponent<Image>();
				obj.sprite = sprite;
				obj.preserveAspect = true;
				((Graphic)obj).color = color;
				((Graphic)obj).raycastTarget = true;
				return (Graphic)(object)obj;
			}
			TextMeshProUGUI obj2 = host.AddComponent<TextMeshProUGUI>();
			((TMP_Text)obj2).font = GetUiFont(hud);
			((TMP_Text)obj2).text = glyph;
			((TMP_Text)obj2).fontSize = glyphSize;
			((Graphic)obj2).color = color;
			((TMP_Text)obj2).alignment = (TextAlignmentOptions)514;
			((Graphic)obj2).raycastTarget = true;
			return (Graphic)(object)obj2;
		}

		private static Piece? PieceForIcon(GameObject iconGo)
		{
			Hud instance = Hud.instance;
			Player localPlayer = Player.m_localPlayer;
			if (instance?.m_pieceIcons == null || (Object)(object)localPlayer == (Object)null)
			{
				return null;
			}
			List<Piece> buildPieces = localPlayer.GetBuildPieces();
			if (buildPieces == null)
			{
				return null;
			}
			for (int i = 0; i < instance.m_pieceIcons.Count; i++)
			{
				if ((Object)(object)instance.m_pieceIcons[i]?.m_go == (Object)(object)iconGo)
				{
					if (i >= buildPieces.Count)
					{
						return null;
					}
					return buildPieces[i];
				}
			}
			return null;
		}

		private static void ToggleFavoriteForIcon(GameObject iconGo)
		{
			//IL_003c: Unknown result type (might be due to invalid IL or missing references)
			//IL_0041: Unknown result type (might be due to invalid IL or missing references)
			try
			{
				Piece val = PieceForIcon(iconGo);
				if (!((Object)(object)val == (Object)null))
				{
					BuildMenuDataManager.ToggleFavorite(Utils.GetPrefabName(((Component)val).gameObject));
					EffectList selectItemEffect = Hud.instance.m_selectItemEffect;
					if (selectItemEffect != null)
					{
						selectItemEffect.Create(((Component)Hud.instance).transform.position, Quaternion.identity, (Transform)null, 1f, -1);
					}
					NeedsRefresh = true;
				}
			}
			catch (Exception ex)
			{
				AAABuildMenuPlugin.AAABuildMenuLogger.LogError((object)("Error toggling favorite: " + ex.Message));
			}
		}

		private static void TogglePinForIcon(GameObject iconGo)
		{
			//IL_004a: Unknown result type (might be due to invalid IL or missing references)
			//IL_004f: Unknown result type (might be due to invalid IL or missing references)
			try
			{
				if (AAABuildMenuPlugin.EnablePinning.Value == AAABuildMenuPlugin.Toggle.Off)
				{
					return;
				}
				Piece val = PieceForIcon(iconGo);
				if (!((Object)(object)val == (Object)null))
				{
					BuildMenuDataManager.TogglePinned(Utils.GetPrefabName(((Component)val).gameObject));
					EffectList selectItemEffect = Hud.instance.m_selectItemEffect;
					if (selectItemEffect != null)
					{
						selectItemEffect.Create(((Component)Hud.instance).transform.position, Quaternion.identity, (Transform)null, 1f, -1);
					}
				}
			}
			catch (Exception ex)
			{
				AAABuildMenuPlugin.AAABuildMenuLogger.LogError((object)("Error toggling pin: " + ex.Message));
			}
		}

		public static void FocusSearch()
		{
			if (!((Object)(object)_searchInputField == (Object)null))
			{
				((Selectable)_searchInputField).Select();
				_searchInputField.ActivateInputField();
			}
		}

		public static bool IsSearchFocused()
		{
			if (!((Object)(object)_searchInputField != (Object)null) || !_searchInputField.isFocused)
			{
				if ((Object)(object)_materialsSearchField != (Object)null)
				{
					return _materialsSearchField.isFocused;
				}
				return false;
			}
			return true;
		}

		internal static bool TryQuickToggle(Hud hud, UIInputHandler ih)
		{
			//IL_0016: Unknown result type (might be due to invalid IL or missing references)
			//IL_0029: Unknown result type (might be due to invalid IL or missing references)
			//IL_003e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0043: Unknown result type (might be due to invalid IL or missing references)
			//IL_0062: Unknown result type (might be due to invalid IL or missing references)
			//IL_00a6: Unknown result type (might be due to invalid IL or missing references)
			//IL_00ab: Unknown result type (might be due to invalid IL or missing references)
			bool flag = AAABuildMenuPlugin.EnablePinning.Value.IsOn() && AAABuildMenuPlugin.QuickPinModifier.Value.IsKeyHeld();
			bool flag2 = AAABuildMenuPlugin.QuickFavoriteModifier.Value.IsKeyHeld();
			if (!flag && !flag2)
			{
				return false;
			}
			Vector2Int selectedGridAll = GetSelectedGridAll(hud, ih);
			if (((Vector2Int)(ref selectedGridAll)).x < 0 || (Object)(object)Player.m_localPlayer == (Object)null)
			{
				return false;
			}
			Piece piece = Player.m_localPlayer.GetPiece(selectedGridAll);
			if ((Object)(object)piece == (Object)null)
			{
				return false;
			}
			string prefabName = Utils.GetPrefabName(((Component)piece).gameObject);
			if (flag)
			{
				BuildMenuDataManager.TogglePinned(prefabName);
			}
			else
			{
				BuildMenuDataManager.ToggleFavorite(prefabName);
			}
			EffectList selectItemEffect = hud.m_selectItemEffect;
			if (selectItemEffect != null)
			{
				selectItemEffect.Create(((Component)hud).transform.position, Quaternion.identity, (Transform)null, 1f, -1);
			}
			NeedsRefresh = true;
			return true;
		}

		public static void UpdatePinIndicators(Hud hud, List<Piece> pieces)
		{
			//IL_013b: Unknown result type (might be due to invalid IL or missing references)
			//IL_0140: Unknown result type (might be due to invalid IL or missing references)
			//IL_0169: Unknown result type (might be due to invalid IL or missing references)
			//IL_0148: Unknown result type (might be due to invalid IL or missing references)
			//IL_014f: Unknown result type (might be due to invalid IL or missing references)
			//IL_0156: Unknown result type (might be due to invalid IL or missing references)
			if (hud?.m_pieceIcons == null || pieces == null)
			{
				return;
			}
			bool flag = AAABuildMenuPlugin.ShowPinIndicator.Value.IsOn() && AAABuildMenuPlugin.EnablePinning.Value.IsOn();
			for (int i = 0; i < hud.m_pieceIcons.Count; i++)
			{
				PieceIconData val = hud.m_pieceIcons[i];
				if ((Object)(object)val?.m_go == (Object)null)
				{
					continue;
				}
				Piece val2 = ((i < pieces.Count) ? pieces[i] : null);
				bool flag2 = flag && (Object)(object)val2 != (Object)null && BuildMenuDataManager.IsPinned(PrefabName(val2));
				bool flag3 = flag && (Object)(object)val2 != (Object)null && (Object)(object)Hud.instance != (Object)null && (Object)(object)Hud.instance.m_hoveredPiece == (Object)(object)val2;
				bool flag4 = flag2 || flag3;
				if (!_pinIndicators.TryGetValue(val.m_go, out GameObject value) || (Object)(object)value == (Object)null)
				{
					if (!flag4)
					{
						continue;
					}
					value = CreatePinIndicator(val.m_go, hud);
					_pinIndicators[val.m_go] = value;
				}
				if (value.activeSelf != flag4)
				{
					value.SetActive(flag4);
				}
				if (!flag4)
				{
					continue;
				}
				Graphic component = value.GetComponent<Graphic>();
				if ((Object)(object)component != (Object)null)
				{
					Color value2 = AAABuildMenuPlugin.PinIndicatorColor.Value;
					if (!flag2)
					{
						((Color)(ref value2))..ctor(value2.r, value2.g, value2.b, 0.3f);
					}
					component.color = value2;
				}
			}
		}

		private static GameObject CreatePinIndicator(GameObject pieceIcon, Hud hud)
		{
			//IL_003e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0043: Unknown result type (might be due to invalid IL or missing references)
			//IL_004a: Unknown result type (might be due to invalid IL or missing references)
			//IL_0061: Unknown result type (might be due to invalid IL or missing references)
			//IL_0071: Unknown result type (might be due to invalid IL or missing references)
			//IL_007b: Unknown result type (might be due to invalid IL or missing references)
			//IL_0097: Unknown result type (might be due to invalid IL or missing references)
			//IL_00a1: Expected O, but got Unknown
			//IL_00a2: Unknown result type (might be due to invalid IL or missing references)
			//IL_00bd: Unknown result type (might be due to invalid IL or missing references)
			//IL_00d1: Unknown result type (might be due to invalid IL or missing references)
			//IL_00db: Unknown result type (might be due to invalid IL or missing references)
			//IL_0101: Unknown result type (might be due to invalid IL or missing references)
			//IL_010b: Expected O, but got Unknown
			//IL_010b: Unknown result type (might be due to invalid IL or missing references)
			//IL_0121: Expected O, but got Unknown
			//IL_0122: Unknown result type (might be due to invalid IL or missing references)
			//IL_0128: Expected O, but got Unknown
			//IL_0128: Unknown result type (might be due to invalid IL or missing references)
			//IL_012e: Expected O, but got Unknown
			//IL_012e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0136: Expected O, but got Unknown
			Sprite sprite = FindSprite("mapicon_pin", "pin", "Pin", "favorite");
			GameObject val = new GameObject("PinIndicator");
			val.SetActive(false);
			val.transform.SetParent(pieceIcon.transform, false);
			val.AddComponent<RectTransform>().sizeDelta = new Vector2(20f, 20f);
			Graphic targetGraphic = MakeBadgeGraphic(val, sprite, hud, AAABuildMenuPlugin.PinIndicatorSymbol.Value, AAABuildMenuPlugin.PinIndicatorSize.Value, AAABuildMenuPlugin.PinIndicatorColor.Value);
			Shadow obj = val.AddComponent<Shadow>();
			obj.effectColor = new Color(0f, 0f, 0f, 0.8f);
			obj.effectDistance = new Vector2(1f, -1f);
			Button obj2 = val.AddComponent<Button>();
			((Selectable)obj2).transition = (Transition)0;
			((Selectable)obj2).targetGraphic = targetGraphic;
			DisableNavigationAndSelection((Selectable)(object)obj2);
			((UnityEvent)obj2.onClick).AddListener((UnityAction)delegate
			{
				TogglePinForIcon(pieceIcon);
			});
			AddTooltip(val, Localization.instance.Localize("$aaabuildmenu_pin_recipe"), hud);
			AttachClickSfx(val);
			StylePinIndicator(val);
			val.SetActive(false);
			return val;
		}

		private static void StylePinIndicator(GameObject indicator)
		{
			//IL_0030: Unknown result type (might be due to invalid IL or missing references)
			//IL_0072: Unknown result type (might be due to invalid IL or missing references)
			//IL_0086: Expected O, but got Unknown
			//IL_0062: Unknown result type (might be due to invalid IL or missing references)
			if ((Object)(object)indicator == (Object)null)
			{
				return;
			}
			TMP_Text component = indicator.GetComponent<TMP_Text>();
			if ((Object)(object)component != (Object)null)
			{
				component.text = AAABuildMenuPlugin.PinIndicatorSymbol.Value;
				((Graphic)component).color = AAABuildMenuPlugin.PinIndicatorColor.Value;
				component.fontSize = AAABuildMenuPlugin.PinIndicatorSize.Value;
			}
			else
			{
				Image component2 = indicator.GetComponent<Image>();
				if ((Object)(object)component2 != (Object)null)
				{
					((Graphic)component2).color = AAABuildMenuPlugin.PinIndicatorColor.Value;
				}
			}
			ApplyCorner((RectTransform)indicator.transform, AAABuildMenuPlugin.PinIndicatorCorner.Value);
		}

		private static void ApplyCorner(RectTransform rect, AAABuildMenuPlugin.IndicatorCorner corner)
		{
			//IL_00a7: Unknown result type (might be due to invalid IL or missing references)
			//IL_00ae: Unknown result type (might be due to invalid IL or missing references)
			//IL_00b5: Unknown result type (might be due to invalid IL or missing references)
			//IL_00bc: Unknown result type (might be due to invalid IL or missing references)
			Vector2 val = default(Vector2);
			Vector2 anchoredPosition = default(Vector2);
			switch (corner)
			{
			case AAABuildMenuPlugin.IndicatorCorner.TopRight:
				((Vector2)(ref val))..ctor(1f, 1f);
				((Vector2)(ref anchoredPosition))..ctor(-2f, -2f);
				break;
			case AAABuildMenuPlugin.IndicatorCorner.BottomLeft:
				((Vector2)(ref val))..ctor(0f, 0f);
				((Vector2)(ref anchoredPosition))..ctor(2f, 2f);
				break;
			case AAABuildMenuPlugin.IndicatorCorner.BottomRight:
				((Vector2)(ref val))..ctor(1f, 0f);
				((Vector2)(ref anchoredPosition))..ctor(-2f, 2f);
				break;
			default:
				((Vector2)(ref val))..ctor(0f, 1f);
				((Vector2)(ref anchoredPosition))..ctor(2f, -2f);
				break;
			}
			rect.anchorMin = val;
			rect.anchorMax = val;
			rect.pivot = val;
			rect.anchoredPosition = anchoredPosition;
		}

		private static void RestyleAllPinIndicators()
		{
			foreach (GameObject value in _pinIndicators.Values)
			{
				StylePinIndicator(value);
			}
		}

		private static void HookPinIndicatorConfig()
		{
			if (!_pinConfigHooked)
			{
				AAABuildMenuPlugin.PinIndicatorSymbol.SettingChanged += OnChanged;
				AAABuildMenuPlugin.PinIndicatorColor.SettingChanged += OnChanged;
				AAABuildMenuPlugin.PinIndicatorSize.SettingChanged += OnChanged;
				AAABuildMenuPlugin.PinIndicatorCorner.SettingChanged += OnChanged;
				_pinConfigHooked = true;
			}
			static void OnChanged(object sender, EventArgs e)
			{
				RestyleAllPinIndicators();
			}
		}

		private static List<KeyValuePair<string, string>> ComputeTopMaterials(int n)
		{
			Dictionary<string, int> dictionary = new Dictionary<string, int>();
			Dictionary<string, string> display = new Dictionary<string, string>();
			foreach (List<Piece> value2 in _categoryMasters.Values)
			{
				foreach (Piece item in value2)
				{
					if (item?.m_resources == null)
					{
						continue;
					}
					HashSet<string> hashSet = new HashSet<string>();
					Requirement[] resources = item.m_resources;
					foreach (Requirement val in resources)
					{
						if ((Object)(object)val?.m_resItem == (Object)null)
						{
							continue;
						}
						string text = Utils.GetPrefabName(((Component)val.m_resItem).gameObject).ToLowerInvariant();
						if (hashSet.Add(text))
						{
							dictionary[text] = ((!dictionary.TryGetValue(text, out var value)) ? 1 : (value + 1));
							if (!display.ContainsKey(text))
							{
								display[text] = Localization.instance.Localize(val.m_resItem.m_itemData.m_shared.m_name);
							}
						}
					}
				}
			}
			return (from kv in dictionary.OrderByDescending((KeyValuePair<string, int> kv) => kv.Value).ThenBy<KeyValuePair<string, int>, string>((KeyValuePair<string, int> kv) => display[kv.Key], StringComparer.OrdinalIgnoreCase).Take(n)
				select new KeyValuePair<string, string>(display[kv.Key], kv.Key)).ToList();
		}

		private static void ResetAllFilters()
		{
			//IL_00b3: Unknown result type (might be due to invalid IL or missing references)
			_currentFilter.SearchTerm = "";
			_currentFilter.ShowOnlyCraftable = false;
			_currentFilter.ShowMissingMaterials = false;
			_currentFilter.ShowFavoritesOnly = false;
			_currentFilter.ShowRecentOnly = false;
			_currentFilter.ShowAll = false;
			_selectedMaterials.Clear();
			if ((Object)(object)_searchInputField != (Object)null)
			{
				_searchInputField.text = "";
			}
			FilterButton[] array = new FilterButton[5] { _allButton, _canCraftButton, _missingMaterialsButton, _favoritesButton, _recentButton };
			foreach (FilterButton filterButton in array)
			{
				if (filterButton != null)
				{
					filterButton.IsActive = false;
					((Graphic)filterButton.Background).color = InactiveFilterColor;
				}
			}
			AAABuildMenuPlugin.DefaultSortMode.Value = AAABuildMenuPlugin.PieceSortMode.Vanilla;
			UpdateSortButtonLabel();
			NeedsRefresh = true;
		}

		private static void CreateMatchCountLabel(Hud hud)
		{
			//IL_002a: Unknown result type (might be due to invalid IL or missing references)
			_matchCountText = CreateText(hud.m_pieceSelectionWindow.transform, "EnhancedMenuMatchCount", GetUiFont(hud), 12f, new Color(0.8f, 0.8f, 0.8f), (TextAlignmentOptions)516);
			_matchCountText.text = "";
			AnchorAboveViewport(hud, _matchCountText.rectTransform, CountStripOffset(), 18f);
		}

		private static void UpdateMatchCount(int count)
		{
			if (!((Object)(object)_matchCountText == (Object)null))
			{
				string text = ((!HasActiveFilter()) ? "$aaabuildmenu_count_pieces" : ((count == 1) ? "$aaabuildmenu_count_match_one" : "$aaabuildmenu_count_match_many"));
				_matchCountText.text = string.Format(Localization.instance.Localize(text), count);
			}
		}

		private static float FilterStripOffset()
		{
			return 0f;
		}

		private static float SearchStripOffset()
		{
			return FilterStripOffset() + (FiltersEnabled ? 28f : 0f);
		}

		private static float CountStripOffset()
		{
			return SearchStripOffset() + (SearchEnabled ? 32f : 0f);
		}

		private static float TotalHeaderHeight()
		{
			float num = 0f;
			if (SearchEnabled)
			{
				num += 32f;
			}
			if (FiltersEnabled)
			{
				num += 28f;
			}
			if (CountEnabled)
			{
				num += 20f;
			}
			return num;
		}

		private static void ReserveHeaderSpace(Hud hud)
		{
			//IL_001a: Unknown result type (might be due to invalid IL or missing references)
			//IL_0029: Unknown result type (might be due to invalid IL or missing references)
			//IL_002e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0039: Unknown result type (might be due to invalid IL or missing references)
			//IL_003e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0062: Unknown result type (might be due to invalid IL or missing references)
			//IL_0078: Unknown result type (might be due to invalid IL or missing references)
			RectTransform pieceListMask = hud.m_pieceListMask;
			if ((Object)(object)pieceListMask == (Object)null)
			{
				return;
			}
			if (!_origMaskCaptured)
			{
				pieceListMask.offsetMax += new Vector2(10f, 0f);
				_origMaskOffsetMax = pieceListMask.offsetMax;
				_origMaskCaptured = true;
			}
			if (!_maskAdjusted)
			{
				float num = TotalHeaderHeight();
				if (!(num <= 0f))
				{
					pieceListMask.offsetMax = new Vector2(pieceListMask.offsetMax.x, _origMaskOffsetMax.y - num);
					_maskAdjusted = true;
				}
			}
		}

		private static void AnchorAboveViewport(Hud hud, RectTransform rect, float topOffset, float height)
		{
			//IL_000b: Unknown result type (might be due to invalid IL or missing references)
			//IL_0027: Unknown result type (might be due to invalid IL or missing references)
			//IL_002c: Unknown result type (might be due to invalid IL or missing references)
			//IL_002d: Unknown result type (might be due to invalid IL or missing references)
			//IL_002e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0033: Unknown result type (might be due to invalid IL or missing references)
			//IL_003f: Unknown result type (might be due to invalid IL or missing references)
			//IL_0054: Unknown result type (might be due to invalid IL or missing references)
			//IL_0069: Unknown result type (might be due to invalid IL or missing references)
			//IL_0075: Unknown result type (might be due to invalid IL or missing references)
			//IL_007a: Unknown result type (might be due to invalid IL or missing references)
			//IL_0084: Unknown result type (might be due to invalid IL or missing references)
			//IL_0094: Unknown result type (might be due to invalid IL or missing references)
			//IL_00a2: Unknown result type (might be due to invalid IL or missing references)
			RectTransform val = (RectTransform)hud.m_pieceSelectionWindow.transform;
			RectTransform pieceListMask = hud.m_pieceListMask;
			Vector3[] array = (Vector3[])(object)new Vector3[4];
			pieceListMask.GetWorldCorners(array);
			Vector3 val2 = array[1];
			Vector3 val3 = ((Transform)val).InverseTransformPoint(val2);
			rect.anchorMin = new Vector2(0.5f, 0.5f);
			rect.anchorMax = new Vector2(0.5f, 0.5f);
			rect.pivot = new Vector2(0.5f, 0f);
			Rect rect2 = pieceListMask.rect;
			rect.sizeDelta = new Vector2(((Rect)(ref rect2)).width, height);
			rect.anchoredPosition = new Vector2(0f, val3.y + topOffset + 2f);
		}

		public static void Relayout()
		{
			//IL_002f: Unknown result type (might be due to invalid IL or missing references)
			//IL_0043: Expected O, but got Unknown
			//IL_005f: Unknown result type (might be due to invalid IL or missing references)
			//IL_0073: Expected O, but got Unknown
			if (!((Object)(object)_hud == (Object)null))
			{
				Canvas.ForceUpdateCanvases();
				if ((Object)(object)_searchBarObject != (Object)null)
				{
					AnchorAboveViewport(_hud, (RectTransform)_searchBarObject.transform, SearchStripOffset(), 30f);
				}
				if ((Object)(object)_filterButtonRow != (Object)null)
				{
					AnchorAboveViewport(_hud, (RectTransform)_filterButtonRow.transform, FilterStripOffset(), 26f);
				}
				if ((Object)(object)_matchCountText != (Object)null)
				{
					AnchorAboveViewport(_hud, _matchCountText.rectTransform, CountStripOffset(), 18f);
				}
			}
		}

		private static Vector2 ClampWindowOffset(Vector2 o)
		{
			//IL_0000: Unknown result type (might be due to invalid IL or missing references)
			//IL_0015: Unknown result type (might be due to invalid IL or missing references)
			//IL_002a: Unknown result type (might be due to invalid IL or missing references)
			return new Vector2(Mathf.Clamp(o.x, -300f, 900f), Mathf.Clamp(o.y, -150f, 600f));
		}

		private static void ApplyWindowTransform(RectTransform win)
		{
			//IL_001d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0022: Unknown result type (might be due to invalid IL or missing references)
			//IL_0011: Unknown result type (might be due to invalid IL or missing references)
			//IL_0027: Unknown result type (might be due to invalid IL or missing references)
			//IL_0029: Unknown result type (might be due to invalid IL or missing references)
			//IL_002e: Unknown result type (might be due to invalid IL or missing references)
			//IL_002f: Unknown result type (might be due to invalid IL or missing references)
			//IL_003a: Unknown result type (might be due to invalid IL or missing references)
			//IL_003f: Unknown result type (might be due to invalid IL or missing references)
			//IL_004b: Unknown result type (might be due to invalid IL or missing references)
			//IL_0058: Unknown result type (might be due to invalid IL or missing references)
			//IL_005d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0067: Unknown result type (might be due to invalid IL or missing references)
			//IL_006c: Unknown result type (might be due to invalid IL or missing references)
			Vector2 val = (AAABuildMenuPlugin.EnableResize.Value.IsOn() ? ClampWindowOffset(AAABuildMenuPlugin.WindowSizeOffset.Value) : Vector2.zero);
			win.sizeDelta = _origWindowSize + val;
			win.anchoredPosition = _origWindowPos + new Vector2(val.x * 0.5f, (0f - val.y) * 0.5f) + AAABuildMenuPlugin.WindowPosOffset.Value;
			ClampWindowToScreen(win);
		}

		public static void ResetWindowTransform()
		{
			//IL_0005: Unknown result type (might be due to invalid IL or missing references)
			//IL_0014: Unknown result type (might be due to invalid IL or missing references)
			//IL_003b: Unknown result type (might be due to invalid IL or missing references)
			//IL_0045: Expected O, but got Unknown
			AAABuildMenuPlugin.WindowSizeOffset.Value = Vector2.zero;
			AAABuildMenuPlugin.WindowPosOffset.Value = Vector2.zero;
			if (!((Object)(object)_hud == (Object)null))
			{
				ApplyWindowTransform((RectTransform)_hud.m_pieceSelectionWindow.transform);
				Relayout();
				Columns = ComputeColumns(_hud);
			}
		}

		public static void EnsureWindowOnScreen()
		{
			//IL_001d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0027: Expected O, but got Unknown
			if (!((Object)(object)_hud == (Object)null))
			{
				ClampWindowToScreen((RectTransform)_hud.m_pieceSelectionWindow.transform);
				Relayout();
				Columns = ComputeColumns(_hud);
			}
		}

		private static void ClampWindowToScreen(RectTransform win)
		{
			//IL_002a: Unknown result type (might be due to invalid IL or missing references)
			//IL_002f: Unknown result type (might be due to invalid IL or missing references)
			//IL_0030: Unknown result type (might be due to invalid IL or missing references)
			//IL_0035: Unknown result type (might be due to invalid IL or missing references)
			//IL_003c: Unknown result type (might be due to invalid IL or missing references)
			//IL_0041: Unknown result type (might be due to invalid IL or missing references)
			//IL_0045: Unknown result type (might be due to invalid IL or missing references)
			//IL_004a: Unknown result type (might be due to invalid IL or missing references)
			//IL_004c: Unknown result type (might be due to invalid IL or missing references)
			//IL_0051: Unknown result type (might be due to invalid IL or missing references)
			//IL_0056: Unknown result type (might be due to invalid IL or missing references)
			//IL_005b: Unknown result type (might be due to invalid IL or missing references)
			//IL_005f: Unknown result type (might be due to invalid IL or missing references)
			//IL_0096: Unknown result type (might be due to invalid IL or missing references)
			//IL_007d: Unknown result type (might be due to invalid IL or missing references)
			//IL_00b4: Unknown result type (might be due to invalid IL or missing references)
			//IL_0146: Unknown result type (might be due to invalid IL or missing references)
			//IL_014a: Unknown result type (might be due to invalid IL or missing references)
			//IL_014f: Unknown result type (might be due to invalid IL or missing references)
			//IL_0154: Unknown result type (might be due to invalid IL or missing references)
			//IL_0159: Unknown result type (might be due to invalid IL or missing references)
			//IL_015e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0163: Unknown result type (might be due to invalid IL or missing references)
			//IL_0173: Unknown result type (might be due to invalid IL or missing references)
			//IL_00d1: Unknown result type (might be due to invalid IL or missing references)
			//IL_00d2: Unknown result type (might be due to invalid IL or missing references)
			//IL_00d7: Unknown result type (might be due to invalid IL or missing references)
			//IL_00dd: Unknown result type (might be due to invalid IL or missing references)
			//IL_00e4: Unknown result type (might be due to invalid IL or missing references)
			//IL_00e9: Unknown result type (might be due to invalid IL or missing references)
			//IL_00ea: Unknown result type (might be due to invalid IL or missing references)
			//IL_00f5: Unknown result type (might be due to invalid IL or missing references)
			//IL_00fa: Unknown result type (might be due to invalid IL or missing references)
			//IL_0106: Unknown result type (might be due to invalid IL or missing references)
			//IL_0113: Unknown result type (might be due to invalid IL or missing references)
			//IL_0118: Unknown result type (might be due to invalid IL or missing references)
			//IL_0122: Unknown result type (might be due to invalid IL or missing references)
			//IL_0127: Unknown result type (might be due to invalid IL or missing references)
			//IL_01a3: Unknown result type (might be due to invalid IL or missing references)
			//IL_0198: Unknown result type (might be due to invalid IL or missing references)
			//IL_01d3: Unknown result type (might be due to invalid IL or missing references)
			//IL_01bb: Unknown result type (might be due to invalid IL or missing references)
			//IL_0203: Unknown result type (might be due to invalid IL or missing references)
			//IL_01f8: Unknown result type (might be due to invalid IL or missing references)
			//IL_021b: Unknown result type (might be due to invalid IL or missing references)
			//IL_0247: Unknown result type (might be due to invalid IL or missing references)
			//IL_0250: Unknown result type (might be due to invalid IL or missing references)
			//IL_0255: Unknown result type (might be due to invalid IL or missing references)
			//IL_0276: Unknown result type (might be due to invalid IL or missing references)
			//IL_027b: Unknown result type (might be due to invalid IL or missing references)
			//IL_0280: Unknown result type (might be due to invalid IL or missing references)
			//IL_0285: Unknown result type (might be due to invalid IL or missing references)
			//IL_028d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0292: Unknown result type (might be due to invalid IL or missing references)
			//IL_0297: Unknown result type (might be due to invalid IL or missing references)
			//IL_029c: Unknown result type (might be due to invalid IL or missing references)
			//IL_02a9: Unknown result type (might be due to invalid IL or missing references)
			//IL_02b7: Unknown result type (might be due to invalid IL or missing references)
			//IL_02bc: Unknown result type (might be due to invalid IL or missing references)
			if (!((Component)win).gameObject.activeInHierarchy)
			{
				return;
			}
			Canvas componentInParent = ((Component)win).GetComponentInParent<Canvas>();
			if (!((Object)(object)componentInParent == (Object)null))
			{
				RectTransform val = (RectTransform)((Component)componentInParent.rootCanvas).transform;
				Rect rect = val.rect;
				Canvas.ForceUpdateCanvases();
				Rect rect2 = win.rect;
				Vector2 size = ((Rect)(ref rect2)).size;
				Vector2 o = win.sizeDelta - _origWindowSize;
				bool flag = false;
				if (size.x > ((Rect)(ref rect)).width - 16f)
				{
					o.x -= size.x - (((Rect)(ref rect)).width - 16f);
					flag = true;
				}
				if (size.y > ((Rect)(ref rect)).height - 16f)
				{
					o.y -= size.y - (((Rect)(ref rect)).height - 16f);
					flag = true;
				}
				if (flag)
				{
					o = ClampWindowOffset(o);
					AAABuildMenuPlugin.WindowSizeOffset.Value = o;
					win.sizeDelta = _origWindowSize + o;
					win.anchoredPosition = _origWindowPos + new Vector2(o.x * 0.5f, (0f - o.y) * 0.5f) + AAABuildMenuPlugin.WindowPosOffset.Value;
					Canvas.ForceUpdateCanvases();
				}
				Vector3[] array = (Vector3[])(object)new Vector3[4];
				win.GetWorldCorners(array);
				Vector3 val2 = ((Transform)val).InverseTransformPoint(array[0]);
				Vector3 val3 = ((Transform)val).InverseTransformPoint(array[2]);
				float num = 0f;
				float num2 = 0f;
				if (val2.x < ((Rect)(ref rect)).xMin + 8f)
				{
					num += ((Rect)(ref rect)).xMin + 8f - val2.x;
				}
				if (val3.x > ((Rect)(ref rect)).xMax - 8f)
				{
					num -= val3.x - (((Rect)(ref rect)).xMax - 8f);
				}
				if (val2.y < ((Rect)(ref rect)).yMin + 8f)
				{
					num2 += ((Rect)(ref rect)).yMin + 8f - val2.y;
				}
				if (val3.y > ((Rect)(ref rect)).yMax - 8f)
				{
					num2 -= val3.y - (((Rect)(ref rect)).yMax - 8f);
				}
				if (num != 0f || num2 != 0f)
				{
					win.anchoredPosition += new Vector2(num, num2);
				}
				if (flag || num != 0f || num2 != 0f)
				{
					Vector2 val4 = win.sizeDelta - _origWindowSize;
					AAABuildMenuPlugin.WindowPosOffset.Value = win.anchoredPosition - _origWindowPos - new Vector2(val4.x * 0.5f, (0f - val4.y) * 0.5f);
				}
			}
		}

		private static void ApplySavedWindowTransform(Hud hud)
		{
			//IL_000b: Unknown result type (might be due to invalid IL or missing references)
			//IL_0011: Expected O, but got Unknown
			//IL_0019: Unknown result type (might be due to invalid IL or missing references)
			//IL_001e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0024: Unknown result type (might be due to invalid IL or missing references)
			//IL_0029: Unknown result type (might be due to invalid IL or missing references)
			RectTransform val = (RectTransform)hud.m_pieceSelectionWindow.transform;
			if (!_origWinCaptured)
			{
				_origWindowSize = val.sizeDelta;
				_origWindowPos = val.anchoredPosition;
				_origWinCaptured = true;
			}
			ApplyWindowTransform(val);
		}

		public static void OnResizeDrag(Vector2 scaledDelta)
		{
			//IL_001d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0022: Unknown result type (might be due to invalid IL or missing references)
			//IL_0023: Unknown result type (might be due to invalid IL or missing references)
			//IL_0028: Unknown result type (might be due to invalid IL or missing references)
			//IL_002d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0032: Unknown result type (might be due to invalid IL or missing references)
			//IL_0038: Unknown result type (might be due to invalid IL or missing references)
			//IL_0039: Unknown result type (might be due to invalid IL or missing references)
			//IL_003f: Unknown result type (might be due to invalid IL or missing references)
			//IL_0046: Unknown result type (might be due to invalid IL or missing references)
			//IL_004b: Unknown result type (might be due to invalid IL or missing references)
			//IL_0050: Unknown result type (might be due to invalid IL or missing references)
			//IL_005f: Expected O, but got Unknown
			if (!((Object)(object)_hud == (Object)null))
			{
				RectTransform val = (RectTransform)_hud.m_pieceSelectionWindow.transform;
				Vector2 val2 = val.sizeDelta - _origWindowSize;
				AAABuildMenuPlugin.WindowSizeOffset.Value = ClampWindowOffset(val2 + new Vector2(scaledDelta.x, 0f - scaledDelta.y));
				ApplyWindowTransform(val);
				Relayout();
				Columns = ComputeColumns(_hud);
			}
		}

		public static void OnMoveDrag(Vector2 scaledDelta)
		{
			//IL_001d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0028: Unknown result type (might be due to invalid IL or missing references)
			//IL_002d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0033: Unknown result type (might be due to invalid IL or missing references)
			//IL_0039: Unknown result type (might be due to invalid IL or missing references)
			//IL_003e: Unknown result type (might be due to invalid IL or missing references)
			//IL_004d: Expected O, but got Unknown
			if (!((Object)(object)_hud == (Object)null))
			{
				RectTransform val = (RectTransform)_hud.m_pieceSelectionWindow.transform;
				ConfigEntry<Vector2> windowPosOffset = AAABuildMenuPlugin.WindowPosOffset;
				windowPosOffset.Value += new Vector2(scaledDelta.x, scaledDelta.y);
				ApplyWindowTransform(val);
				Relayout();
			}
		}

		private static void CreateResizeHandle(Hud hud)
		{
			//IL_0010: Unknown result type (might be due to invalid IL or missing references)
			//IL_001f: Unknown result type (might be due to invalid IL or missing references)
			_resizeHandle = CreateGrip(hud, "AAABuildMenuResizeHandle", new Vector2(1f, 0f), new Vector2(-6f, 6f), Localization.instance.Localize("$aaabuildmenu_drag_resize"), "◢");
			((Component)_resizeHandle).gameObject.AddComponent<BuildMenuResizeHandle>();
		}

		private static void CreateMoveHandle(Hud hud)
		{
			//IL_0010: Unknown result type (might be due to invalid IL or missing references)
			//IL_001f: Unknown result type (might be due to invalid IL or missing references)
			_moveHandle = CreateGrip(hud, "AAABuildMenuMoveHandle", new Vector2(0f, 0f), new Vector2(6f, 6f), Localization.instance.Localize("$aaabuildmenu_drag_move"), "≡");
			((Component)_moveHandle).gameObject.AddComponent<BuildMenuMoveHandle>();
		}

		private static RectTransform CreateGrip(Hud hud, string name, Vector2 corner, Vector2 offset, string tooltip, string glyph)
		{
			//IL_0001: Unknown result type (might be due to invalid IL or missing references)
			//IL_0006: Unknown result type (might be due to invalid IL or missing references)
			//IL_001d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0025: Unknown result type (might be due to invalid IL or missing references)
			//IL_002c: Unknown result type (might be due to invalid IL or missing references)
			//IL_0033: Unknown result type (might be due to invalid IL or missing references)
			//IL_003a: Unknown result type (might be due to invalid IL or missing references)
			//IL_004b: Unknown result type (might be due to invalid IL or missing references)
			//IL_0055: Unknown result type (might be due to invalid IL or missing references)
			//IL_0071: Unknown result type (might be due to invalid IL or missing references)
			//IL_007b: Unknown result type (might be due to invalid IL or missing references)
			//IL_008b: Unknown result type (might be due to invalid IL or missing references)
			//IL_0095: Unknown result type (might be due to invalid IL or missing references)
			//IL_00ab: Unknown result type (might be due to invalid IL or missing references)
			//IL_00c9: Unknown result type (might be due to invalid IL or missing references)
			//IL_00ef: Expected O, but got Unknown
			GameObject val = new GameObject(name);
			val.transform.SetParent(hud.m_pieceSelectionWindow.transform, false);
			RectTransform val2 = val.AddComponent<RectTransform>();
			val2.anchorMin = corner;
			val2.anchorMax = corner;
			val2.pivot = corner;
			val2.anchoredPosition = offset;
			val2.sizeDelta = new Vector2(34f, 34f);
			Image obj = val.AddComponent<Image>();
			obj.sprite = ProceduralSprites.RoundedRect(64, 14);
			obj.type = (Type)1;
			((Graphic)obj).color = GripColor;
			val.AddComponent<Shadow>().effectDistance = new Vector2(2f, -2f);
			TMP_Text obj2 = CreateText(val.transform, "Icon", GetUiFont(hud), 22f, Color.white, (TextAlignmentOptions)514, stretch: true);
			obj2.text = glyph;
			((Graphic)obj2).raycastTarget = false;
			CanvasGroup obj3 = val.AddComponent<CanvasGroup>();
			obj3.alpha = 0f;
			obj3.blocksRaycasts = true;
			obj3.interactable = true;
			AddTooltip(val, tooltip, hud);
			return val2;
		}

		public static void OnGripDragEnd()
		{
			//IL_001d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0027: Expected O, but got Unknown
			if (!((Object)(object)_hud == (Object)null))
			{
				ClampWindowToScreen((RectTransform)_hud.m_pieceSelectionWindow.transform);
			}
		}

		private static void CacheVanillaButtonSprite(Hud hud)
		{
			if (!((Object)(object)_buttonSprite != (Object)null) && hud.m_pieceCategoryTabs != null && hud.m_pieceCategoryTabs.Length != 0 && (Object)(object)hud.m_pieceCategoryTabs[0] != (Object)null)
			{
				Image component = hud.m_pieceCategoryTabs[0].GetComponent<Image>();
				if ((Object)(object)component != (Object)null)
				{
					_buttonSprite = component.sprite;
				}
			}
		}

		private static void StyleButtonImage(Image img)
		{
			if (!((Object)(object)img == (Object)null) && !((Object)(object)_buttonSprite == (Object)null))
			{
				img.sprite = _buttonSprite;
				img.type = (Type)1;
			}
		}

		internal static Sprite GetButtonSprite()
		{
			return _buttonSprite;
		}

		private static void CloneVanillaButtonStyle()
		{
			//IL_006e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0073: Unknown result type (might be due to invalid IL or missing references)
			//IL_0079: Unknown result type (might be due to invalid IL or missing references)
			//IL_007e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0084: Unknown result type (might be due to invalid IL or missing references)
			//IL_008a: Invalid comparison between Unknown and I4
			//IL_008d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0092: Unknown result type (might be due to invalid IL or missing references)
			if (_vanillaButtonResolved)
			{
				return;
			}
			_vanillaButtonResolved = true;
			Button[] array = Resources.FindObjectsOfTypeAll<Button>();
			foreach (Button val in array)
			{
				Graphic targetGraphic = ((Selectable)val).targetGraphic;
				Image val2 = (Image)(((object)((targetGraphic is Image) ? targetGraphic : null)) ?? ((object)((Component)val).GetComponent<Image>()));
				if (!((Object)(object)((val2 != null) ? val2.sprite : null) == (Object)null) && ((Object)val2.sprite).name.IndexOf("button", StringComparison.OrdinalIgnoreCase) >= 0)
				{
					_vanillaButtonSprite = val2.sprite;
					_vanillaButtonSpriteState = ((Selectable)val).spriteState;
					_vanillaButtonColors = ((Selectable)val).colors;
					int vanillaButtonUsesSpriteSwap;
					if ((int)((Selectable)val).transition == 2)
					{
						SpriteState spriteState = ((Selectable)val).spriteState;
						vanillaButtonUsesSpriteSwap = (((Object)(object)((SpriteState)(ref spriteState)).highlightedSprite != (Object)null) ? 1 : 0);
					}
					else
					{
						vanillaButtonUsesSpriteSwap = 0;
					}
					_vanillaButtonUsesSpriteSwap = (byte)vanillaButtonUsesSpriteSwap != 0;
					_hasVanillaButton = true;
					break;
				}
			}
		}

		private static void StyleVanillaButton(Button btn, Image img)
		{
			//IL_0027: Unknown result type (might be due to invalid IL or missing references)
			//IL_005a: Unknown result type (might be due to invalid IL or missing references)
			//IL_0047: Unknown result type (might be due to invalid IL or missing references)
			DisableNavigationAndSelection((Selectable)(object)btn);
			if (!_hasVanillaButton)
			{
				StyleButtonImage(img);
				return;
			}
			img.sprite = _vanillaButtonSprite;
			img.type = (Type)1;
			((Graphic)img).color = InactiveButtonColor;
			((Selectable)btn).targetGraphic = (Graphic)(object)img;
			if (_vanillaButtonUsesSpriteSwap)
			{
				((Selectable)btn).transition = (Transition)2;
				((Selectable)btn).spriteState = _vanillaButtonSpriteState;
			}
			else
			{
				((Selectable)btn).transition = (Transition)1;
				((Selectable)btn).colors = _vanillaButtonColors;
			}
		}

		private static void DisableNavigationAndSelection(Selectable selectable)
		{
			//IL_000d: Unknown result type (might be due to invalid IL or missing references)
			//IL_001b: Unknown result type (might be due to invalid IL or missing references)
			//IL_0041: Unknown result type (might be due to invalid IL or missing references)
			//IL_0046: Unknown result type (might be due to invalid IL or missing references)
			//IL_004c: Expected O, but got Unknown
			if ((Object)(object)selectable == (Object)null)
			{
				return;
			}
			Navigation navigation = default(Navigation);
			((Navigation)(ref navigation)).mode = (Mode)0;
			selectable.navigation = navigation;
			Button val = (Button)(object)((selectable is Button) ? selectable : null);
			if (val != null)
			{
				ButtonClickedEvent onClick = val.onClick;
				object obj = <>O.<6>__DeselectCurrent;
				if (obj == null)
				{
					UnityAction val2 = DeselectCurrent;
					<>O.<6>__DeselectCurrent = val2;
					obj = (object)val2;
				}
				((UnityEvent)onClick).AddListener((UnityAction)obj);
			}
		}

		private static void DeselectCurrent()
		{
			if ((Object)(object)EventSystem.current != (Object)null)
			{
				EventSystem.current.SetSelectedGameObject((GameObject)null);
			}
		}

		internal static Sprite? FindSprite(params string[] candidates)
		{
			if (candidates == null || candidates.Length == 0)
			{
				return null;
			}
			string key = candidates[0];
			if (_spriteCache.TryGetValue(key, out Sprite value))
			{
				return value;
			}
			if (_allSprites == null)
			{
				_allSprites = Resources.FindObjectsOfTypeAll<Sprite>();
			}
			Sprite val = null;
			foreach (string b in candidates)
			{
				Sprite[] allSprites = _allSprites;
				foreach (Sprite val2 in allSprites)
				{
					if ((Object)(object)val2 != (Object)null && string.Equals(((Object)val2).name, b, StringComparison.OrdinalIgnoreCase))
					{
						val = val2;
						break;
					}
				}
				if ((Object)(object)val != (Object)null)
				{
					break;
				}
			}
			_spriteCache[key] = val;
			return val;
		}

		internal static void AttachClickSfx(GameObject go)
		{
			if (!_sfxResolved)
			{
				_sfxResolved = true;
				ButtonSfx[] array = Resources.FindObjectsOfTypeAll<ButtonSfx>();
				foreach (ButtonSfx val in array)
				{
					if ((Object)(object)val != (Object)null && (Object)(object)val.m_sfxPrefab != (Object)null)
					{
						_clickSfxPrefab = val.m_sfxPrefab;
						break;
					}
				}
			}
			if (!((Object)(object)_clickSfxPrefab == (Object)null) && !((Object)(object)go == (Object)null) && !((Object)(object)go.GetComponent<ButtonSfx>() != (Object)null))
			{
				go.AddComponent<ButtonSfx>().m_sfxPrefab = _clickSfxPrefab;
			}
		}
	}
	public class PieceFilterState
	{
		public string SearchTerm { get; set; } = "";

		public bool ShowOnlyCraftable { get; set; }

		public bool ShowMissingMaterials { get; set; }

		public bool ShowFavoritesOnly { get; set; }

		public bool ShowRecentOnly { get; set; }

		public bool ShowAll { get; set; }

		public bool IsFiltered()
		{
			if (string.IsNullOrEmpty(SearchTerm) && !ShowOnlyCraftable && !ShowMissingMaterials && !ShowFavoritesOnly && !ShowRecentOnly)
			{
				return ShowAll;
			}
			return true;
		}
	}
	public class FilterButton
	{
		public GameObject GameObject { get; set; }

		public Button Button { get; set; }

		public Image Background { get; set; }

		public TMP_Text Text { get; set; }

		public FilterType FilterType { get; set; }

		public bool IsActive { get; set; }
	}
	public enum FilterType
	{
		CanCraft,
		MissingMaterials,
		Favorites,
		Recent,
		All
	}
	public struct SearchQuery
	{
		private List<string> _general;

		private List<string> _name;

		private List<string> _resource;

		private List<string> _station;

		private List<string> _stationUpgrade;

		public bool IsEmpty;

		public static SearchQuery Parse(string text)
		{
			SearchQuery result = new SearchQuery
			{
				_general = new List<string>(),
				_name = new List<string>(),
				_resource = new List<string>(),
				_station = new List<string>(),
				_stationUpgrade = new List<string>()
			};
			if (!string.IsNullOrWhiteSpace(text))
			{
				string[] array = text.ToLowerInvariant().Split((char[]?)null, StringSplitOptions.RemoveEmptyEntries);
				foreach (string text2 in array)
				{
					if (text2.StartsWith("su:"))
					{
						result._stationUpgrade.Add(text2.Substring(3));
					}
					else if (text2.Length > 2 && text2.StartsWith("r:"))
					{
						result._resource.Add(text2.Substring(2));
					}
					else if (text2.Length > 2 && text2.StartsWith("s:"))
					{
						result._station.Add(text2.Substring(2));
					}
					else if (text2.Length > 2 && text2.StartsWith("n:"))
					{
						result._name.Add(text2.Substring(2));
					}
					else
					{
						result._general.Add(text2);
					}
				}
			}
			result.IsEmpty = result._general.Count == 0 && result._name.Count == 0 && result._resource.Count == 0 && result._station.Count == 0 && result._stationUpgrade.Count == 0;
			return result;
		}

		public bool Matches(Piece piece)
		{
			string text = Utils.GetPrefabName(((Component)piece).gameObject).ToLowerInvariant();
			string text2 = Localization.instance.Localize(piece.m_name).ToLowerInvariant();
			string text3 = (((Object)(object)piece.m_craftingStation != (Object)null) ? Localization.instance.Localize(piece.m_craftingStation.m_name).ToLowerInvariant() : "");
			foreach (string item in _general)
			{
				if (!text.Contains(item) && !text2.Contains(item) && !text3.Contains(item) && !ResourceMatches(piece, item) && !StationUpgradeMatches(piece, item))
				{
					return false;
				}
			}
			foreach (string item2 in _name)
			{
				if (!text.Contains(item2) && !text2.Contains(item2))
				{
					return false;
				}
			}
			foreach (string item3 in _resource)
			{
				if (!ResourceMatches(piece, item3))
				{
					return false;
				}
			}
			foreach (string item4 in _station)
			{
				if (!text3.Contains(item4))
				{
					return false;
				}
			}
			foreach (string item5 in _stationUpgrade)
			{
				if (!StationUpgradeMatches(piece, item5))
				{
					return false;
				}
			}
			return true;
		}

		private static bool StationUpgradeMatches(Piece piece, string token)
		{
			StationExtension component = ((Component)piece).GetComponent<StationExtension>();
			if ((Object)(object)component == (Object)null || (Object)(object)component.m_craftingStation == (Object)null)
			{
				return false;
			}
			if (string.IsNullOrEmpty(token))
			{
				return true;
			}
			return Localization.instance.Localize(component.m_craftingStation.m_name).ToLowerInvariant().Contains(token);
		}

		private static bool ResourceMatches(Piece piece, string token)
		{
			if (piece.m_resources == null)
			{
				return false;
			}
			Requirement[] resources = piece.m_resources;
			foreach (Requirement val in resources)
			{
				if (!((Object)(object)val?.m_resItem == (Object)null))
				{
					if (Localization.instance.Localize(val.m_resItem.m_itemData.m_shared.m_name).ToLowerInvariant().Contains(token))
					{
						return true;
					}
					if (Utils.GetPrefabName(((Component)val.m_resItem).gameObject).ToLowerInvariant().Contains(token))
					{
						return true;
					}
				}
			}
			return false;
		}
	}
	[HarmonyPatch]
	public static class EnhancedBuildMenuPatches
	{
		private const string PieceManagerId = "org.bepinex.helpers.PieceManager";

		private const string JotunnId = "com.jotunn.jotunn";

		private static bool _menuWasVisible;

		private static bool ConflictingMenuModInstalled()
		{
			foreach (string key in Chainloader.PluginInfos.Keys)
			{
				if (key.IndexOf("searscatalog", StringComparison.OrdinalIgnoreCase) >= 0)
				{
					return true;
				}
			}
			return false;
		}

		[HarmonyPatch(typeof(Hud), "Awake")]
		[HarmonyPostfix]
		[HarmonyPriority(0)]
		[HarmonyAfter(new string[] { "org.bepinex.helpers.PieceManager", "com.jotunn.jotunn" })]
		private static void Hud_Awake_InitEnhancedMenu(Hud __instance)
		{
			if (AAABuildMenuPlugin.EnableEnhancedMenu.Value == AAABuildMenuPlugin.Toggle.Off)
			{
				AAABuildMenuPlugin.AAABuildMenuLogger.LogInfo((object)"Enhanced Build Menu is disabled in config");
				return;
			}
			if (ConflictingMenuModInstalled())
			{
				AAABuildMenuPlugin.AAABuildMenuLogger.LogWarning((object)"SearsCatalog detected — it overhauls the same build menu. AAABuildMenu is standing down to avoid conflicts. Remove one of the two.");
				return;
			}
			try
			{
				BuildMenuDataManager.Initialize();
				EnhancedBuildMenu.InitializeUI(__instance);
			}
			catch (Exception ex)
			{
				AAABuildMenuPlugin.AAABuildMenuLogger.LogError((object)("Error initializing Enhanced Build Menu in Hud.Awake: " + ex.Message));
				AAABuildMenuPlugin.AAABuildMenuLogger.LogError((object)ex.StackTrace);
			}
		}

		[HarmonyPatch(typeof(Game), "Shutdown")]
		[HarmonyPrefix]
		private static void Game_Shutdown_SaveBuildMenuData()
		{
			if (AAABuildMenuPlugin.EnableEnhancedMenu.Value == AAABuildMenuPlugin.Toggle.Off)
			{
				return;
			}
			try
			{
				BuildMenuDataManager.SaveAllData();
			}
			catch (Exception ex)
			{
				AAABuildMenuPlugin.AAABuildMenuLogger.LogError((object)("Error saving build menu data on shutdown: " + ex.Message));
			}
		}

		[HarmonyPatch(typeof(Hud), "UpdateBuild")]
		[HarmonyPrefix]
		private static void Hud_UpdateBuild_ApplyFilters(Player player)
		{
			//IL_0030: Unknown result type (might be due to invalid IL or missing references)
			if (AAABuildMenuPlugin.EnableEnhancedMenu.Value == AAABuildMenuPlugin.Toggle.Off || !EnhancedBuildMenu.IsInitialized)
			{
				return;
			}
			try
			{
				EnhancedBuildMenu.Columns = EnhancedBuildMenu.ComputeColumns(Hud.instance);
				if (Hud.IsPieceSelectionVisible() && AAABuildMenuPlugin.FocusSearchKey.Value.IsKeyDown())
				{
					EnhancedBuildMenu.FocusSearch();
				}
				if (EnhancedBuildMenu.NeedsRefresh && (Object)(object)player != (Object)null && (Object)(object)player.m_buildPieces != (Object)null)
				{
					EnhancedBuildMenu.ApplyFilter(player, player.m_buildPieces, scrollToTop: true);
				}
			}
			catch (Exception ex)
			{
				AAABuildMenuPlugin.AAABuildMenuLogger.LogError((object)("Error in Hud.UpdateBuild filter: " + ex.Message));
			}
		}

		[HarmonyPatch(typeof(Menu), "IsVisible")]
		[HarmonyPostfix]
		private static void Menu_IsVisible_BlockInputWhileTyping(ref bool __result)
		{
			if (AAABuildMenuPlugin.EnableEnhancedMenu.Value != AAABuildMenuPlugin.Toggle.Off && EnhancedBuildMenu.IsInitialized && EnhancedBuildMenu.IsSearchFocused())
			{
				__result = true;
			}
		}

		[HarmonyPatch(typeof(Menu), "IsActive")]
		[HarmonyPostfix]
		private static void Menu_IsActive_BlockMapWhileTyping(ref bool __result)
		{
			if (!AAABuildMenuPlugin.EnableEnhancedMenu.Value.IsOff() && EnhancedBuildMenu.IsInitialized && EnhancedBuildMenu.IsSearchFocused())
			{
				__result = true;
			}
		}

		[HarmonyPatch(typeof(ZInput), "GetMouseScrollWheel")]
		[HarmonyPostfix]
		private static void ZInput_GetMouseScrollWheel_BlockOverScrollAreas(ref float __result)
		{
			if (__result != 0f && AAABuildMenuPlugin.EnableEnhancedMenu.Value != AAABuildMenuPlugin.Toggle.Off && EnhancedBuildMenu.IsInitialized && EnhancedBuildMenu.ShouldConsumeScroll())
			{
				__result = 0f;
			}
		}

		[HarmonyPatch(typeof(KeyHints), "UpdateHints")]
		[HarmonyPostfix]
		private static void KeyHints_UpdateHints_AddBuildMenuHints(KeyHints __instance)
		{
			if (AAABuildMenuPlugin.EnableEnhancedMenu.Value.IsOff() || !EnhancedBuildMenu.IsInitialized)
			{
				return;
			}
			try
			{
				BuildMenuKeyHints.Refresh(__instance);
			}
			catch (Exception ex)
			{
				AAABuildMenuPlugin.AAABuildMenuLogger.LogError((object)("Error updating build-menu key hints: " + ex.Message));
			}
		}

		[HarmonyPatch(typeof(Hud), "Update")]
		[HarmonyPostfix]
		private static void Hud_Update_TickPinTracker(Hud __instance)
		{
			if (AAABuildMenuPlugin.EnableEnhancedMenu.Value == AAABuildMenuPlugin.Toggle.Off || !EnhancedBuildMenu.IsInitialized)
			{
				return;
			}
			try
			{
				PinnedRecipeTracker.Tick(__instance);
				bool num = Hud.IsPieceSelectionVisible();
				if (num && !_menuWasVisible)
				{
					EnhancedBuildMenu.EnsureWindowOnScreen();
				}
				_menuWasVisible = num;
			}
			catch (Exception ex)
			{
				AAABuildMenuPlugin.AAABuildMenuLogger.LogError((object)("Error ticking pin tracker: " + ex.Message));
			}
		}

		[HarmonyPatch(typeof(Hud), "UpdatePieceList")]
		[HarmonyPrefix]
		private static bool Hud_UpdatePieceList_Override(Hud __instance, Player player, Vector2Int selectedNr, PieceCategory category, bool updateAllBuildStatuses)
		{
			//IL_0018: Unknown result type (might be due to invalid IL or missing references)
			//IL_0019: Unknown result type (might be due to invalid IL or missing references)
			if (AAABuildMenuPlugin.EnableEnhancedMenu.Value == AAABuildMenuPlugin.Toggle.Off || !EnhancedBuildMenu.IsInitialized)
			{
				return true;
			}
			try
			{
				EnhancedBuildMenu.RenderPieceList(__instance, player, selectedNr, category, updateAllBuildStatuses);
				return false;
			}
			catch (Exception ex)
			{
				AAABuildMenuPlugin.AAABuildMenuLogger.LogError((object)("Error in enhanced UpdatePieceList: " + ex.Message));
				return true;
			}
		}

		[HarmonyPatch(typeof(Hud), "OnLeftClickPiece")]
		[HarmonyPrefix]
		private static bool Hud_OnLeftClickPiece_QuickToggle(Hud __instance, UIInputHandler ih)
		{
			if (AAABuildMenuPlugin.EnableEnhancedMenu.Value == AAABuildMenuPlugin.Toggle.Off || !EnhancedBuildMenu.IsInitialized)
			{
				return true;
			}
			try
			{
				return !EnhancedBuildMenu.TryQuickToggle(__instance, ih);
			}
			catch (Exception ex)
			{
				AAABuildMenuPlugin.AAABuildMenuLogger.LogError((object)("Error in quick favorite/pin: " + ex.Message));
				return true;
			}
		}

		[HarmonyPatch(typeof(Hud), "GetSelectedGrid")]
		[HarmonyPrefix]
		private static bool Hud_GetSelectedGrid_Override(Hud __instance, UIInputHandler ih, ref Vector2Int __result)
		{
			//IL_0019: Unknown result type (might be due to invalid IL or missing references)
			//IL_001e: Unknown result type (might be due to invalid IL or missing references)
			if (AAABuildMenuPlugin.EnableEnhancedMenu.Value == AAABuildMenuPlugin.Toggle.Off || !EnhancedBuildMenu.IsInitialized)
			{
				return true;
			}
			try
			{
				__result = EnhancedBuildMenu.GetSelectedGridAll(__instance, ih);
				return false;
			}
			catch (Exception ex)
			{
				AAABuildMenuPlugin.AAABuildMenuLogger.LogError((object)("Error in enhanced GetSelectedGrid: " + ex.Message));
				return true;
			}
		}

		[HarmonyPatch(typeof(PieceTable), "UpdateAvailable")]
		[HarmonyPostfix]
		[HarmonyPriority(200)]
		[HarmonyAfter(new string[] { "org.bepinex.helpers.PieceManager", "com.jotunn.jotunn" })]
		private static void PieceTable_UpdateAvailable_CaptureMaster(PieceTable __instance)
		{
			if (AAABuildMenuPlugin.EnableEnhancedMenu.Value == AAABuildMenuPlugin.Toggle.Off || !EnhancedBuildMenu.IsInitialized)
			{
				return;
			}
			try
			{
				Player localPlayer = Player.m_localPlayer;
				if ((Object)(object)localPlayer != (Object)null && (Object)(object)localPlayer.m_buildPieces == (Object)(object)__instance)
				{
					EnhancedBuildMenu.CaptureMasterAndApply(localPlayer, __instance);
				}
			}
			catch (Exception ex)
			{
				AAABuildMenuPlugin.AAABuildMenuLogger.LogError((object)("Error in PieceTable.UpdateAvailable: " + ex.Message));
			}
		}

		[HarmonyPatch(typeof(Player), "PlacePiece", new Type[]
		{
			typeof(Piece),
			typeof(Vector3),
			typeof(Quaternion),
			typeof(bool)
		})]
		[HarmonyPostfix]
		private static void Player_PlacePiece_TrackUsage(Player __instance, Piece piece)
		{
			if (AAABuildMenuPlugin.EnableEnhancedMenu.Value == AAABuildMenuPlugin.Toggle.Off || (Object)(object)piece == (Object)null || (Object)(object)__instance != (Object)(object)Player.m_localPlayer)
			{
				return;
			}
			try
			{
				string prefabName = Utils.GetPrefabName(((Component)piece).gameObject);
				BuildMenuDataManager.IncrementUsageCount(prefabName);
				BuildMenuDataManager.AddRecentPiece(prefabName);
			}
			catch (Exception ex)
			{
				AAABuildMenuPlugin.AAABuildMenuLogger.LogError((object)("Error tracking piece usage: " + ex.Message));
			}
		}

		private static bool ShouldOverrideGrid()
		{
			if (EnhancedBuildMenu.Active)
			{
				return EnhancedBuildMenu.Columns != 15;
			}
			return false;
		}

		[HarmonyPatch(typeof(PieceTable), "GetPiece", new Type[]
		{
			typeof(PieceCategory),
			typeof(Vector2Int)
		})]
		[HarmonyPrefix]
		private static bool PieceTable_GetPiece_Override(PieceTable __instance, PieceCategory category, Vector2Int p, ref Piece? __result)
		{
			//IL_001d: Unknown result type (might be due to invalid IL or missing references)
			//IL_001f: Expected I4, but got Unknown
			if (!ShouldOverrideGrid())
			{
				return true;
			}
			List<List<Piece>> availablePieces = __instance.m_availablePieces;
			if (availablePieces.Count == 0)
			{
				__result = null;
				return false;
			}
			int num = (int)category;
			if (num >= availablePieces.Count)
			{
				num = 0;
			}
			List<Piece> list = availablePieces[num];
			if (list.Count == 0)
			{
				__result = null;
				return false;
			}
			int num2 = ((Vector2Int)(ref p)).y * EnhancedBuildMenu.Columns + ((Vector2Int)(ref p)).x;
			__result = ((num2 < 0 || num2 >= list.Count) ? null : list[num2]);
			return false;
		}

		[HarmonyPatch(typeof(PieceTable), "GetPieceIndex")]
		[HarmonyPrefix]
		private static bool PieceTable_GetPieceIndex_Override(PieceTable __instance, Piece p, ref Vector2Int index, ref int category, ref bool __result)
		{
			//IL_00e8: Unknown result type (might be due to invalid IL or missing references)
			//IL_00ed: Unknown result type (might be due to invalid IL or missing references)
			//IL_0061: Unknown result type (might be due to invalid IL or missing references)
			//IL_006e: Unknown result type (might be due to invalid IL or missing references)
			//IL_00af: Unknown result type (might be due to invalid IL or missing references)
			//IL_00b4: Unknown result type (might be due to invalid IL or missing references)
			//IL_009e: Unknown result type (might be due to invalid IL or missing references)
			//IL_00a3: Unknown result type (might be due to invalid IL or missing references)
			if (!ShouldOverrideGrid())
			{
				return true;
			}
			int columns = EnhancedBuildMenu.Columns;
			string prefabName = Utils.GetPrefabName(((Component)p).gameObject);
			for (int i = 0; i < __instance.m_availablePieces.Count; i++)
			{
				List<Piece> list = __instance.m_availablePieces[i];
				for (int j = 0; j < list.Count; j++)
				{
					if (Utils.GetPrefabName(((Component)list[j]).gameObject) != prefabName)
					{
						continue;
					}
					category = -1;
					for (int k = 0; k < __instance.m_categories.Count; k++)
					{
						if (list[j].m_category == __instance.m_categories[k])
						{
							category = k;
							break;
						}
					}
					if (category >= 0)
					{
						index = new Vector2Int(j % columns, j / columns);
						__result = true;
						return false;
					}
					index = Vector2Int.zero;
					__result = false;
					return false;
				}
			}
			index = Vector2Int.zero;
			category = -1;
			__result = false;
			return false;
		}

		[HarmonyPatch(typeof(PieceTable), "RightPiece")]
		[HarmonyPrefix]
		private static bool RightPiece_Override(PieceTable __instance)
		{
			return Nav(__instance, 1, 0);
		}

		[HarmonyPatch(typeof(PieceTable), "LeftPiece")]
		[HarmonyPrefix]
		private static bool LeftPiece_Override(PieceTable __instance)
		{
			return Nav(__instance, -1, 0);
		}

		[HarmonyPatch(typeof(PieceTable), "DownPiece")]
		[HarmonyPrefix]
		private static bool DownPiece_Override(PieceTable __instance)
		{
			return Nav(__instance, 0, 1);
		}

		[HarmonyPatch(typeof(PieceTable), "UpPiece")]
		[HarmonyPrefix]
		private static bool UpPiece_Override(PieceTable __instance)
		{
			return Nav(__instance, 0, -1);
		}

		private static bool Nav(PieceTable table, int dx, int dy)
		{
			//IL_000b: Unknown result type (might be due to invalid IL or missing references)
			//IL_0011: Expected I4, but got Unknown
			//IL_005d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0062: Unknown result type (might be due to invalid IL or missing references)
			//IL_00df: Unknown result type (might be due to invalid IL or missing references)
			//IL_00e1: Unknown result type (might be due to invalid IL or missing references)
			if (!ShouldOverrideGrid())
			{
				return true;
			}
			try
			{
				int num = (int)table.GetSelectedCategory();
				if (num < 0 || num >= table.m_availablePieces.Count)
				{
					return true;
				}
				int count = table.m_availablePieces[num].Count;
				if (count <= 1)
				{
					return false;
				}
				int columns = EnhancedBuildMenu.Columns;
				int num2 = EnhancedBuildMenu.RowCount(count);
				Vector2Int val = table.m_selectedPiece[num];
				if (dx != 0)
				{
					((Vector2Int)(ref val)).x = ((Vector2Int)(ref val)).x + dx;
					if (((Vector2Int)(ref val)).x < 0)
					{
						((Vector2Int)(ref val)).x = columns - 1;
					}
					else if (((Vector2Int)(ref val)).x >= columns)
					{
						((Vector2Int)(ref val)).x = 0;
					}
				}
				if (dy != 0)
				{
					((Vector2Int)(ref val)).y = ((Vector2Int)(ref val)).y + dy;
					if (((Vector2Int)(ref val)).y < 0)
					{
						((Vector2Int)(ref val)).y = num2 - 1;
					}
					else if (((Vector2Int)(ref val)).y >= num2)
					{
						((Vector2Int)(ref val)).y = 0;
					}
				}
				table.m_selectedPiece[num] = val;
				return false;
			}
			catch (Exception ex)
			{
				AAABuildMenuPlugin.AAABuildMenuLogger.LogError((object)("Error in piece nav: " + ex.Message));
				return true;
			}
		}
	}
	public static class BuildMenuDataManager
	{
		private static Dictionary<string, HashSet<string>> _characterFavorites = new Dictionary<string, HashSet<string>>();

		private static HashSet<string> _globalFavorites = new HashSet<string>();

		private static Dictionary<string, HashSet<string>> _characterPinned = new Dictionary<string, HashSet<string>>();

		private static HashSet<string> _globalPinned = new HashSet<string>();

		private static Dictionary<string, int> _usageStats = new Dictionary<string, int>();

		private static Dictionary<string, List<string>> _characterRecent = new Dictionary<string, List<string>>();

		private static bool _isInitialized;

		public static HashSet<string> CurrentFavorites
		{
			get
			{
				if (!_isInitialized)
				{
					Initialize();
				}
				if (AAABuildMenuPlugin.FavoritesPerCharacter.Value == AAABuildMenuPlugin.Toggle.On)
				{
					string currentCharacterName = GetCurrentCharacterName();
					if (!_characterFavorites.ContainsKey(currentCharacterName))
					{
						_characterFavorites[currentCharacterName] = new HashSet<string>();
					}
					return _characterFavorites[currentCharacterName];
				}
				return _globalFavorites;
			}
		}

		public static HashSet<string> CurrentPinned
		{
			get
			{
				if (!_isInitialized)
				{
					Initialize();
				}
				if (AAABuildMenuPlugin.FavoritesPerCharacter.Value == AAABuildMenuPlugin.Toggle.On)
				{
					string currentCharacterName = GetCurrentCharacterName();
					if (!_characterPinned.ContainsKey(currentCharacterName))
					{
						_characterPinned[currentCharacterName] = new HashSet<string>();
					}
					return _characterPinned[currentCharacterName];
				}
				return _globalPinned;
			}
		}

		public static event Action? PinnedChanged;

		public static void Initialize()
		{
			if (_isInitialized)
			{
				return;
			}
			try
			{
				LoadFavorites();
				LoadPinned();
				LoadUsageStats();
				LoadRecents();
				_isInitialized = true;
				AAABuildMenuPlugin.AAABuildMenuLogger.LogInfo((object)"BuildMenuDataManager initialized");
			}
			catch (Exception ex)
			{
				AAABuildMenuPlugin.AAABuildMenuLogger.LogError((object)("Error initializing BuildMenuDataManager: " + ex.Message));
			}
		}

		private static string GetCurrentCharacterName()
		{
			if ((Object)(object)Player.m_localPlayer != (Object)null)
			{
				return Player.m_localPlayer.GetPlayerName();
			}
			return "global";
		}

		public static bool IsFavorite(string pieceName)
		{
			if (string.IsNullOrEmpty(pieceName))
			{
				return false;
			}
			return CurrentFavorites.Contains(pieceName);
		}

		public static void ClearAllFavorites()
		{
			if (!_isInitialized)
			{
				Initialize();
			}
			CurrentFavorites.Clear();
			SaveFavorites();
			EnhancedBuildMenu.NeedsRefresh = true;
			AAABuildMenuPlugin.AAABuildMenuLogger.LogInfo((object)"Cleared all favorites");
		}

		public static void ToggleFavorite(string pieceName)
		{
			if (!string.IsNullOrEmpty(pieceName))
			{
				HashSet<string> currentFavorites = CurrentFavorites;
				if (currentFavorites.Contains(pieceName))
				{
					currentFavorites.Remove(pieceName);
					AAABuildMenuPlugin.AAABuildMenuLogger.LogDebug((object)("Removed favorite: " + pieceName));
				}
				else
				{
					currentFavorites.Add(pieceName);
					AAABuildMenuPlugin.AAABuildMenuLogger.LogDebug((object)("Added favorite: " + pieceName));
				}
				SaveFavorites();
			}
		}

		public static void SaveFavorites()
		{
			try
			{
				List<string> list = new List<string>();
				if (AAABuildMenuPlugin.FavoritesPerCharacter.Value == AAABuildMenuPlugin.Toggle.On)
				{
					foreach (KeyValuePair<string, HashSet<string>> characterFavorite in _characterFavorites)
					{
						if (characterFavorite.Value.Count > 0)
						{
							string item = characterFavorite.Key + ":" + string.Join(",", characterFavorite.Value);
							list.Add(item);
						}
					}
				}
				else if (_globalFavorites.Count > 0)
				{
					list.Add(string.Join(",", _globalFavorites));
				}
				AAABuildMenuPlugin.SerializedFavorites.Value = string.Join("|", list);
				AAABuildMenuPlugin.AAABuildMenuLogger.LogDebug((object)$"Saved {list.Count} favorite entries");
			}
			catch (Exception ex)
			{
				AAABuildMenuPlugin.AAABuildMenuLogger.LogError((object)("Error saving favorites: " + ex.Message));
			}
		}

		public static void LoadFavorites()
		{
			try
			{
				_characterFavorites.Clear();
				_globalFavorites.Clear();
				string value = AAABuildMenuPlugin.SerializedFavorites.Value;
				if (string.IsNullOrEmpty(value))
				{
					AAABuildMenuPlugin.AAABuildMenuLogger.LogDebug((object)"No saved favorites found");
					return;
				}
				string[] array = value.Split(new char[1] { '|' });
				foreach (string text in array)
				{
					if (string.IsNullOrEmpty(text))
					{
						continue;
					}
					string[] array4;
					if (text.Contains(":"))
					{
						string[] array2 = text.Split(new char[1] { ':' }, 2);
						if (array2.Length != 2)
						{
							continue;
						}
						string key = array2[0];
						string[] array3 = array2[1].Split(new char[1] { ',' });
						if (!_characterFavorites.ContainsKey(key))
						{
							_characterFavorites[key] = new HashSet<string>();
						}
						array4 = array3;
						foreach (string text2 in array4)
						{
							if (!string.IsNullOrEmpty(text2))
							{
								_characterFavorites[key].Add(text2.Trim());
							}
						}
						continue;
					}
					array4 = text.Split(new char[1] { ',' });
					foreach (string text3 in array4)
					{
						if (!string.IsNullOrEmpty(text3))
						{
							_globalFavorites.Add(text3.Trim());
						}
					}
				}
				int num = _characterFavorites.Sum<KeyValuePair<string, HashSet<string>>>((KeyValuePair<string, HashSet<string>> kvp) => kvp.Value.Count) + _globalFavorites.Count;
				AAABuildMenuPlugin.AAABuildMenuLogger.LogInfo((object)$"Loaded {num} favorites");
			}
			catch (Exception ex)
			{
				AAABuildMenuPlugin.AAABuildMenuLogger.LogError((object)("Error loading favorites: " + ex.Message));
			}
		}

		public static bool IsPinned(string pieceName)
		{
			if (!string.IsNullOrEmpty(pieceName))
			{
				return CurrentPinned.Contains(pieceName);
			}
			return false;
		}

		public static List<string> GetPinnedPieceNames()
		{
			return CurrentPinned.ToList();
		}

		public static void TogglePinned(string pieceName)
		{
			if (!string.IsNullOrEmpty(pieceName))
			{
				HashSet<string> currentPinned = CurrentPinned;
				if (!currentPinned.Remove(pieceName))
				{
					currentPinned.Add(pieceName);
				}
				SavePinned();
				BuildMenuDataManager.PinnedChanged?.Invoke();
			}
		}

		public static void ClearPinned()
		{
			CurrentPinned.Clear();
			SavePinned();
			BuildMenuDataManager.PinnedChanged?.Invoke();
		}

		public static void SavePinned()
		{
			try
			{
				AAABuildMenuPlugin.SerializedPinned.Value = ((AAABuildMenuPlugin.FavoritesPerCharacter.Value == AAABuildMenuPlugin.Toggle.On) ? SerializePerCharacter(_characterPinned) : SerializeGlobal(_globalPinned));
			}
			catch (Exception ex)
			{
				AAABuildMenuPlugin.AAABuildMenuLogger.LogError((object)("Error saving pinned: " + ex.Message));
			}
		}

		public static void LoadPinned()
		{
			try
			{
				_characterPinned.Clear();
				_globalPinned.Clear();
				DeserializeSets(AAABuildMenuPlugin.SerializedPinned.Value, _characterPinned, _globalPinned);
			}
			catch (Exception ex)
			{
				AAABuildMenuPlugin.AAABuildMenuLogger.LogError((object)("Error loading pinned: " + ex.Message));
			}
		}

		private static string SerializePerCharacter(Dictionary<string, HashSet<string>> data)
		{
			List<string> list = new List<string>();
			foreach (KeyValuePair<string, HashSet<string>> datum in data)
			{
				if (datum.Value.Count > 0)
				{
					list.Add(datum.Key + ":" + string.Join(",", datum.Value));
				}
			}
			return string.Join("|", list);
		}

		private static string SerializeGlobal(HashSet<string> data)
		{
			if (data.Count <= 0)
			{
				return "";
			}
			return string.Join(",", data);
		}

		private static void DeserializeSets(string data, Dictionary<string, HashSet<string>> perCharacter, HashSet<string> global)
		{
			if (string.IsNullOrEmpty(data))
			{
				return;
			}
			string[] array = data.Split(new char[1] { '|' });
			foreach (string text in array)
			{
				if (string.IsNullOrEmpty(text))
				{
					continue;
				}
				string[] array3;
				if (text.Contains(":"))
				{
					string[] array2 = text.Split(new char[1] { ':' }, 2);
					if (array2.Length != 2)
					{
						continue;
					}
					if (!perCharacter.ContainsKey(array2[0]))
					{
						perCharacter[array2[0]] = new HashSet<string>();
					}
					array3 = array2[1].Split(new char[1] { ',' });
					foreach (string text2 in array3)
					{
						if (!string.IsNullOrEmpty(text2))
						{
							perCharacter[array2[0]].Add(text2.Trim());
						}
					}
					continue;
				}
				array3 = text.Split(new char[1] { ',' });
				foreach (string text3 in array3)
				{
					if (!string.IsNullOrEmpty(text3))
					{
						global.Add(text3.Trim());
					}
				}
			}
		}

		public static int GetUsageCount(string pieceName)
		{
			if (string.IsNullOrEmpty(pieceName))
			{
				return 0;
			}
			if (!_usageStats.ContainsKey(pieceName))
			{
				return 0;
			}
			return _usageStats[pieceName];
		}

		public static void IncrementUsageCount(string pieceName)
		{
			if (!string.IsNullOrEmpty(pieceName))
			{
				if (!_usageStats.ContainsKey(pieceName))
				{
					_usageStats[pieceName] = 0;
				}
				_usageStats[pieceName]++;
				if (_usageStats[pieceName] % 10 == 0)
				{
					SaveUsageStats();
				}
			}
		}

		public static void SaveUsageStats()
		{
			try
			{
				if (_usageStats.Count == 0)
				{
					AAABuildMenuPlugin.SerializedUsageStats.Value = "{}";
					return;
				}
				IEnumerable<string> values = _usageStats.Select<KeyValuePair<string, int>, string>((KeyValuePair<string, int> kvp) => $"\"{kvp.Key}\":{kvp.Value}");
				string value = "{" + string.Join(",", values) + "}";
				AAABuildMenuPlugin.SerializedUsageStats.Value = value;
				AAABuildMenuPlugin.AAABuildMenuLogger.LogDebug((object)$"Saved usage stats for {_usageStats.Count} pieces");
			}
			catch (Exception ex)
			{
				AAABuildMenuPlugin.AAABuildMenuLogger.LogError((object)("Error saving usage stats: " + ex.Message));
			}
		}

		public static void LoadUsageStats()
		{
			try
			{
				_usageStats.Clear();
				string value = AAABuildMenuPlugin.SerializedUsageStats.Value;
				if (string.IsNullOrEmpty(value) || value == "{}")
				{
					AAABuildMenuPlugin.AAABuildMenuLogger.LogDebug((object)"No saved usage stats found");
					return;
				}
				value = value.Trim('{', '}');
				string[] array = value.Split(new char[1] { ',' });
				foreach (string text in array)
				{
					if (string.IsNullOrEmpty(text))
					{
						continue;
					}
					string[] array2 = text.Split(new char[1] { ':' });
					if (array2.Length == 2)
					{
						string key = array2[0].Trim('"', ' ');
						if (int.TryParse(array2[1], out var result))
						{
							_usageStats[key] = result;
						}
					}
				}
				AAABuildMenuPlugin.AAABuildMenuLogger.LogInfo((object)$"Loaded usage stats for {_usageStats.Count} pieces");
			}
			catch (Exception ex)
			{
				AAABuildMenuPlugin.AAABuildMenuLogger.LogError((object)("Error loading usage stats: " + ex.Message));
			}
		}

		public static void AddRecentPiece(string pieceName)
		{
			if (!string.IsNullOrEmpty(pieceName))
			{
				string currentCharacterName = GetCurrentCharacterName();
				if (!_characterRecent.TryGetValue(currentCharacterName, out List<string> value))
				{
					List<string> list = (_characterRecent[currentCharacterName] = new List<string>());
					value = list;
				}
				value.Remove(pieceName);
				value.Insert(0, pieceName);
				int num = Mathf.Max(1, AAABuildMenuPlugin.MaxRecentItems.Value);
				if (value.Count > num)
				{
					value.RemoveRange(num, value.Count - num);
				}
			}
		}

		public static void SaveRecents()
		{
			try
			{
				List<string> list = new List<string>();
				foreach (KeyValuePair<string, List<string>> item in _characterRecent)
				{
					if (item.Value.Count > 0)
					{
						list.Add(item.Key + ":" + string.Join(",", item.Value));
					}
				}
				AAABuildMenuPlugin.SerializedRecents.Value = string.Join("|", list);
			}
			catch (Exception ex)
			{
				AAABuildMenuPlugin.AAABuildMenuLogger.LogError((object)("Error saving recents: " + ex.Message));
			}
		}

		public static void LoadRecents()
		{
			try
			{
				_characterRecent.Clear();
				string value = AAABuildMenuPlugin.SerializedRecents.Value;
				if (string.IsNullOrEmpty(value))
				{
					return;
				}
				int count = Mathf.Max(1, AAABuildMenuPlugin.MaxRecentItems.Value);
				string[] array = value.Split(new char[1] { '|' });
				foreach (string text in array)
				{
					if (string.IsNullOrEmpty(text) || !text.Contains(":"))
					{
						continue;
					}
					string[] array2 = text.Split(new char[1] { ':' }, 2);
					if (array2.Length == 2)
					{
						List<string> value2 = (from p in array2[1].Split(new char[1] { ',' })
							select p.Trim() into p
							where !string.IsNullOrEmpty(p)
							select p).Take(count).ToList();
						_characterRecent[array2[0]] = value2;
					}
				}
			}
			catch (Exception ex)
			{
				AAABuildMenuPlugin.AAABuildMenuLogger.LogError((object)("Error loading recents: " + ex.Message));
			}
		}

		public static List<string> GetRecentPieces()
		{
			string currentCharacterName = GetCurrentCharacterName();
			if (!_characterRecent.TryGetValue(currentCharacterName, out List<string> value))
			{
				return new List<string>();
			}
			return new List<string>(value);
		}

		public static bool IsRecent(string pieceName)
		{
			if (string.IsNullOrEmpty(pieceName))
			{
				return false;
			}
			return GetRecentPieces().Contains(pieceName);
		}

		public static void SaveAllData()
		{
			try
			{
				SaveFavorites();
				SavePinned();
				SaveUsageStats();
				SaveRecents();
				AAABuildMenuPlugin.AAABuildMenuLogger.LogInfo((object)"Saved all build menu data");
			}
			catch (Exception ex)
			{
				AAABuildMenuPlugin.AAABuildMenuLogger.LogError((object)("Error saving build menu data: " + ex.Message));
			}
		}
	}
	public static class PinnedRecipeTracker
	{
		private sealed class PinnedRow
		{
			public TMP_Text Header;

			public readonly List<TMP_Text> Lines = new List<TMP_Text>();

			public readonly List<string> ResNames = new List<string>();

			public readonly List<int> ResNeeds = new List<int>();
		}

		[CompilerGenerated]
		private static class <>O
		{
			public static Action <0>__MarkDirty;

			public static UnityAction <1>__ClearPinned;
		}

		private static GameObject _root = null;

		private static RectTransform _rootRect = null;

		private static RectTransform _contentRoot = null;

		private static TMP_Text _title = null;

		private static TMP_FontAsset _font = null;

		private static Vector2 _baseAnchoredPos;

		private static readonly Dictionary<string, Piece> _pieceCache = new Dictionary<string, Piece>();

		private static readonly List<PinnedRow> _rows = new List<PinnedRow>();

		private static List<string> _shownPins = new List<string>();

		private static float _nextRefresh;

		private const float RefreshInterval = 0.25f;

		private static bool _subscribed;

		private static readonly Color HaveColor = new Color(0.55f, 1f, 0.55f);

		private static readonly Color NeedColor = new Color(1f, 0.6f, 0.6f);

		private static readonly Color HeaderColor = new Color(1f, 0.86f, 0.4f);

		private static float Scale => Mathf.Clamp(AAABuildMenuPlugin.PinTrackerScale.Value, 0.6f, 2f);

		public static void Tick(Hud hud)
		{
			if (AAABuildMenuPlugin.EnablePinning.Value == AAABuildMenuPlugin.Toggle.Off)
			{
				if ((Object)(object)_root != (Object)null && _root.activeSelf)
				{
					_root.SetActive(false);
				}
				return;
			}
			if (!_subscribed)
			{
				BuildMenuDataManager.PinnedChanged += MarkDirty;
				AAABuildMenuPlugin.PinTrackerAnchor.SettingChanged += Reapply;
				AAABuildMenuPlugin.PinTrackerOffset.SettingChanged += Reapply;
				AAABuildMenuPlugin.PinTrackerFormat.SettingChanged += delegate
				{
					MarkDirty();
				};
				AAABuildMenuPlugin.PinTrackerScale.SettingChanged += delegate
				{
					MarkDirty();
				};
				_subscribed = true;
			}
			Player localPlayer = Player.m_localPlayer;
			if ((Object)(object)localPlayer == (Object)null || (Object)(object)hud == (Object)null)
			{
				return;
			}
			List<string> pinnedPieceNames = BuildMenuDataManager.GetPinnedPieceNames();
			if ((Object)(object)_root == (Object)null)
			{
				BuildRoot(hud);
			}
			if ((Object)(object)_root == (Object)null)
			{
				return;
			}
			bool flag = AAABuildMenuPlugin.PinTrackerOnlyInBuildMenu.Value == AAABuildMenuPlugin.Toggle.Off || Hud.IsPieceSelectionVisible();
			bool flag2 = pinnedPieceNames.Count > 0 && flag;
			if (_root.activeSelf != flag2)
			{
				_root.SetActive(flag2);
			}
			if (flag2)
			{
				if (!SamePins(pinnedPieceNames, _shownPins))
				{
					RebuildRows(pinnedPieceNames);
					_shownPins = pinnedPieceNames;
				}
				if (!(Time.unscaledTime < _nextRefresh))
				{
					_nextRefresh = Time.unscaledTime + 0.25f;
					RefreshCounts(localPlayer);
				}
			}
			static void Reapply(object s, EventArgs e)
			{
				MarkDirty();
				ApplyPosition();
			}
		}

		private static void MarkDirty()
		{
			_shownPins = new List<string>();
		}

		private static bool SamePins(List<string> a, List<string> b)
		{
			if (a.Count != b.Count)
			{
				return false;
			}
			for (int i = 0; i < a.Count; i++)
			{
				if (a[i] != b[i])
				{
					return false;
				}
			}
			return true;
		}

		private static void BuildRoot(Hud hud)
		{
			//IL_0032: Unknown result type (might be due to invalid IL or missing references)
			//IL_003c: Expected O, but got Unknown
			//IL_007c: Unknown result type (might be due to invalid IL or missing references)
			//IL_00c3: Unknown result type (might be due to invalid IL or missing references)
			//IL_00e6: Unknown result type (might be due to invalid IL or missing references)
			//IL_00f0: Expected O, but got Unknown
			//IL_014c: Unknown result type (might be due to invalid IL or missing references)
			//IL_01d0: Unknown result type (might be due to invalid IL or missing references)
			//IL_01d5: Unknown result type (might be due to invalid IL or missing references)
			//IL_01db: Expected O, but got Unknown
			try
			{
				_font = EnhancedBuildMenu.GetUiFont(hud);
				Transform val = (((Object)(object)hud.m_rootObject != (Object)null) ? hud.m_rootObject.transform : ((Component)hud).transform);
				_root = new GameObject("AAABuildMenu_PinTracker");
				_root.SetActive(false);
				_root.transform.SetParent(val, false);
				_rootRect = _root.AddComponent<RectTransform>();
				_rootRect.sizeDelta = new Vector2(240f * Scale, 0f);
				Image val2 = _root.AddComponent<Image>();
				Sprite buttonSprite = EnhancedBuildMenu.GetButtonSprite();
				if ((Object)(object)buttonSprite != (Object)null)
				{
					val2.sprite = buttonSprite;
					val2.type = (Type)1;
				}
				((Graphic)val2).color = new Color(0f, 0f, 0f, 0.7f);
				((Graphic)val2).raycastTarget = true;
				VerticalLayoutGroup obj = _root.AddComponent<VerticalLayoutGroup>();
				((LayoutGroup)obj).padding = new RectOffset(10, 10, 8, 10);
				((HorizontalOrVerticalLayoutGroup)obj).spacing = 3f;
				((HorizontalOrVerticalLayoutGroup)obj).childControlWidth = true;
				((HorizontalOrVerticalLayoutGroup)obj).childControlHeight = true;
				((HorizontalOrVerticalLayoutGroup)obj).childForceExpandWidth = true;
				((HorizontalOrVerticalLayoutGroup)obj).childForceExpandHeight = false;
				ContentSizeFitter obj2 = _root.AddComponent<ContentSizeFitter>();
				obj2.verticalFit = (FitMode)2;
				obj2.horizontalFit = (FitMode)0;
				_title = EnhancedBuildMenu.CreateText(_root.transform, "Title", _font, 17f * Scale, HeaderColor, (TextAlignmentOptions)513);
				_title.text = Localization.instance.Localize("$aaabuildmenu_tracker_title");
				_title.fontStyle = (FontStyles)1;
				EnhancedBuildMenu.AddTooltip(((Component)_title).gameObject, Localization.instance.Localize("$aaabuildmenu_tracker_title_tip"), hud);
				Button obj3 = ((Component)_title).gameObject.AddComponent<Button>();
				((Selectable)obj3).transition = (Transition)0;
				ButtonClickedEvent onClick = obj3.onClick;
				object obj4 = <>O.<1>__ClearPinned;
				if (obj4 == null)
				{
					UnityAction val3 = BuildMenuDataManager.ClearPinned;
					<>O.<1>__ClearPinned = val3;
					obj4 = (object)val3;
				}
				((UnityEvent)onClick).AddListener((UnityAction)obj4);
				EnhancedBuildMenu.AttachClickSfx(((Component)_title).gameObject);
				_root.AddComponent<PinTrackerDragHandle>();
				_contentRoot = _rootRect;
				ApplyPosition();
			}
			catch (Exception ex)
			{
				AAABuildMenuPlugin.AAABuildMenuLogger.LogError((object)("Failed to build pin tracker: " + ex.Message));
				_root = null;
			}
		}

		private static void ApplyPosition()
		{
			//IL_0173: Unknown result type (might be due to invalid IL or missing references)
			//IL_017e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0189: Unknown result type (might be due to invalid IL or missing references)
			//IL_018f: Unknown result type (might be due to invalid IL or missing references)
			//IL_0190: Unknown result type (might be due to invalid IL or missing references)
			//IL_019a: Unknown result type (might be due to invalid IL or missing references)
			//IL_01a0: Unknown result type (might be due to invalid IL or missing references)
			//IL_01a5: Unknown result type (might be due to invalid IL or missing references)
			if (!((Object)(object)_rootRect == (Object)null))
			{
				Vector2 val = default(Vector2);
				Vector2 val2 = default(Vector2);
				switch (AAABuildMenuPlugin.PinTrackerAnchor.Value)
				{
				case AAABuildMenuPlugin.ScreenAnchor.TopLeft:
					((Vector2)(ref val))..ctor(0f, 1f);
					((Vector2)(ref val2))..ctor(16f, -16f);
					break;
				case AAABuildMenuPlugin.ScreenAnchor.BottomLeft:
					((Vector2)(ref val))..ctor(0f, 0f);
					((Vector2)(ref val2))..ctor(16f, 16f);
					break;
				case AAABuildMenuPlugin.ScreenAnchor.TopRight:
					((Vector2)(ref val))..ctor(1f, 1f);
					((Vector2)(ref val2))..ctor(-16f, -16f);
					break;
				case AAABuildMenuPlugin.ScreenAnchor.MiddleRight:
					((Vector2)(ref val))..ctor(1f, 0.5f);
					((Vector2)(ref val2))..ctor(-16f, 0f);
					break;
				case AAABuildMenuPlugin.ScreenAnchor.BottomRight:
					((Vector2)(ref val))..ctor(1f, 0f);
					((Vector2)(ref val2))..ctor(-16f, 16f);
					break;
				case AAABuildMenuPlugin.ScreenAnchor.TopCenter:
					((Vector2)(ref val))..ctor(0.5f, 1f);
					((Vector2)(ref val2))..ctor(0f, -16f);
					break;
				case AAABuildMenuPlugin.ScreenAnchor.BottomCenter:
					((Vector2)(ref val))..ctor(0.5f, 0f);
					((Vector2)(ref val2))..ctor(0f, 16f);
					break;
				default:
					((Vector2)(ref val))..ctor(0f, 0.5f);
					((Vector2)(ref val2))..ctor(16f, 0f);
					break;
				}
				_rootRect.anchorMin = val;
				_rootRect.anchorMax = val;
				_rootRect.pivot = val;
				_baseAnchoredPos = val2;
				_rootRect.anchoredPosition = val2 + AAABuildMenuPlugin.PinTrackerOffset.Value;
			}
		}

		public static void OnDrag(Vector2 scaledDelta)
		{
			//IL_0014: Unknown result type (might be due to invalid IL or missing references)
			//IL_0019: Unknown result type (might be due to invalid IL or missing references)
			//IL_001a: Unknown result type (might be due to invalid IL or missing references)
			//IL_002e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0033: Unknown result type (might be due to invalid IL or missing references)
			//IL_0038: Unknown result type (might be due to invalid IL or missing references)
			if (!((Object)(object)_rootRect == (Object)null))
			{
				RectTransform rootRect = _rootRect;
				rootRect.anchoredPosition += scaledDelta;
				AAABuildMenuPlugin.PinTrackerOffset.Value = _rootRect.anchoredPosition - _baseAnchoredPos;
			}
		}

		private static void RebuildRows(List<string> pins)
		{
			//IL_00b7: Unknown result type (might be due to invalid IL or missing references)
			if ((Object)(object)_contentRoot == (Object)null)
			{
				return;
			}
			for (int num = ((Transform)_contentRoot).childCount - 1; num >= 1; num--)
			{
				Object.Destroy((Object)(object)((Component)((Transform)_contentRoot).GetChild(num)).gameObject);
			}
			_rows.Clear();
			bool flag = AAABuildMenuPlugin.PinTrackerFormat.Value == AAABuildMenuPlugin.TrackerFormat.Compact;
			foreach (string pin in pins)
			{
				Piece val = ResolvePiece(pin);
				if ((Object)(object)val == (Object)null)
				{
					continue;
				}
				PinnedRow pinnedRow = new PinnedRow();
				string text = Localization.instance.Localize(val.m_name);
				pinnedRow.Header = EnhancedBuildMenu.CreateText((Transform)(object)_contentRoot, "Pin_" + pin, _font, 14f * Scale, Color.white, (TextAlignmentOptions)513);
				pinnedRow.Header.fontStyle = (FontStyles)1;
				pinnedRow.Header.text = text;
				pinnedRow.Header.richText = true;
				if (val.m_resources != null)
				{
					Requirement[] resources = val.m_resources;
					foreach (Requirement val2 in resources)
					{
						if (!((Object)(object)val2?.m_resItem == (Object)null) && val2.m_amount > 0)
						{
							pinnedRow.ResNames.Add(val2.m_resItem.m_itemData.m_shared.m_name);
							pinnedRow.ResNeeds.Add(val2.m_amount);
							if (!flag)
							{
								pinnedRow.Lines.Add(CreateResourceLine(val2));
							}
						}
					}
				}
				_rows.Add(pinnedRow);
			}
		}

		private static TMP_Text CreateResourceLine(Requirement req)
		{
			//IL_0005: Unknown result type (might be due to invalid IL or missing references)
			//IL_000b: Expected O, but got Unknown
			//IL_006b: Unknown result type (might be due to invalid IL or missing references)
			//IL_0075: Expected O, but got Unknown
			//IL_011c: Unknown result type (might be due to invalid IL or missing references)
			//IL_00b1: Unknown result type (might be due to invalid IL or missing references)
			//IL_00b6: Unknown result type (might be due to invalid IL or missing references)
			//IL_00c8: Unknown result type (might be due to invalid IL or missing references)
			GameObject val = new GameObject("res");
			val.transform.SetParent((Transform)(object)_contentRoot, false);
			val.AddComponent<LayoutElement>().minHeight = 18f * Scale;
			HorizontalLayoutGroup obj = val.AddComponent<HorizontalLayoutGroup>();
			((HorizontalOrVerticalLayoutGroup)obj).spacing = 5f;
			((LayoutGroup)obj).childAlignment = (TextAnchor)3;
			((HorizontalOrVerticalLayoutGroup)obj).childControlWidth = true;
			((HorizontalOrVerticalLayoutGroup)obj).childControlHeight = true;
			((HorizontalOrVerticalLayoutGroup)obj).childForceExpandWidth = false;
			((HorizontalOrVerticalLayoutGroup)obj).childForceExpandHeight = false;
			((LayoutGroup)obj).padding = new RectOffset(14, 0, 0, 0);
			SharedData shared = req.m_resItem.m_itemData.m_shared;
			Sprite val2 = ((shared.m_icons != null && shared.m_icons.Length != 0) ? shared.m_icons[0] : null);
			if ((Object)(object)val2 != (Object)null)
			{
				GameObject val3 = new GameObject("icon");
				val3.transform.SetParent(val.transform, false);
				LayoutElement obj2 = val3.AddComponent<LayoutElement>();
				obj2.preferredWidth = 18f * Scale;
				obj2.preferredHeight = 18f * Scale;
				Image obj3 = val3.AddComponent<Image>();
				obj3.sprite = val2;
				obj3.preserveAspect = true;
			}
			TMP_Text obj4 = EnhancedBuildMenu.CreateText(val.transform, "count", _font, 13f * Scale, Color.white, (TextAlignmentOptions)513);
			((Component)obj4).gameObject.AddComponent<LayoutElement>().flexibleWidth = 1f;
			return obj4;
		}

		private static void RefreshCounts(Player player)
		{
			//IL_01cf: Unknown result type (might be due to invalid IL or missing references)
			//IL_01c8: Unknown result type (might be due to invalid IL or missing references)
			//IL_00be: Unknown result type (might be due to invalid IL or missing references)
			//IL_00b7: Unknown result type (might be due to invalid IL or missing references)
			Inventory inventory = ((Humanoid)player).GetInventory();
			if (inventory == null)
			{
				return;
			}
			bool flag = AAABuildMenuPlugin.PinTrackerFormat.Value == AAABuildMenuPlugin.TrackerFormat.Compact;
			StringBuilder stringBuilder = (flag ? new StringBuilder() : null);
			foreach (PinnedRow row in _rows)
			{
				if (flag)
				{
					StringBuilder stringBuilder2 = stringBuilder;
					stringBuilder2.Clear();
					string text = row.Header.text;
					int num = text.IndexOf("   <", StringComparison.Ordinal);
					if (num >= 0)
					{
						text = text.Substring(0, num);
					}
					stringBuilder2.Append(text);
					for (int i = 0; i < row.ResNames.Count; i++)
					{
						int num2 = CountItem(inventory, row.ResNames[i]);
						string text2 = ColorToHex((num2 >= row.ResNeeds[i]) ? HaveColor : NeedColor);
						stringBuilder2.Append($"   <size=85%><color=#{text2}>{Localization.instance.Localize(row.ResNames[i])} {num2}/{row.ResNeeds[i]}</color></size>");
					}
					row.Header.text = stringBuilder2.ToString();
				}
				else
				{
					for (int j = 0; j < row.Lines.Count && j < row.ResNames.Count; j++)
					{
						int num3 = CountItem(inventory, row.ResNames[j]);
						row.Lines[j].text = $"{num3}/{row.ResNeeds[j]}";
						((Graphic)row.Lines[j]).color = ((num3 >= row.ResNeeds[j]) ? HaveColor : NeedColor);
					}
				}
			}
		}

		private static string ColorToHex(Color c)
		{
			//IL_0000: Unknown result type (might be due to invalid IL or missing references)
			return ColorUtility.ToHtmlStringRGB(c);
		}

		private static int CountItem(Inventory inv, string sharedName)
		{
			int num = 0;
			foreach (ItemData allItem in inv.GetAllItems())
			{
				if (allItem?.m_shared != null && allItem.m_shared.m_name == sharedName)
				{
					num += allItem.m_stack;
				}
			}
			return num;
		}

		private static Piece? ResolvePiece(string pieceName)
		{
			if (string.IsNullOrEmpty(pieceName))
			{
				return null;
			}
			if (_pieceCache.TryGetValue(pieceName, out Piece value) && (Object)(object)value != (Object)null)
			{
				return value;
			}
			Piece val = null;
			if ((Object)(object)ZNetScene.instance != (Object)null)
			{
				GameObject prefab = ZNetScene.instance.GetPrefab(pieceName);
				if ((Object)(object)prefab != (Object)null)
				{
					val = prefab.GetComponent<Piece>();
				}
			}
			if ((Object)(object)val != (Object)null)
			{
				_pieceCache[pieceName] = val;
			}
			return val;
		}
	}
	public class PinTrackerDragHandle : MonoBehaviour, IDragHandler, IEventSystemHandler
	{
		private float _scale = 1f;

		private void Awake()
		{
			Canvas componentInParent = ((Component)this).GetComponentInParent<Canvas>();
			if ((Object)(object)componentInParent != (Object)null && componentInParent.scaleFactor > 0f)
			{
				_scale = componentInParent.scaleFactor;
			}
		}

		public void OnDrag(PointerEventData eventData)
		{
			//IL_0001: Unknown result type (might be due to invalid IL or missing references)
			//IL_000c: Unknown result type (might be due to invalid IL or missing references)
			PinnedRecipeTracker.OnDrag(eventData.delta / _scale);
		}
	}
	[BepInPlugin("Azumatt.AAABuildMenu", "AAABuildMenu", "1.0.1")]
	public class AAABuildMenuPlugin : BaseUnityPlugin
	{
		public enum Toggle
		{
			On = 1,
			Off = 0
		}

		public enum PieceSortMode
		{
			Vanilla,
			Alphabetical,
			Cost,
			UsageFrequency
		}

		public enum IndicatorCorner
		{
			TopLeft,
			TopRight,
			BottomLeft,
			BottomRight
		}

		public enum ScreenAnchor
		{
			TopLeft,
			MiddleLeft,
			BottomLeft,
			TopRight,
			MiddleRight,
			BottomRight,
			TopCenter,
			BottomCenter
		}

		public enum TrackerFormat
		{
			Detailed,
			Compact
		}

		private class ConfigurationManagerAttributes
		{
			[UsedImplicitly]
			public int? Order;

			[UsedImplicitly]
			public bool? Browsable;

			[UsedImplicitly]
			public string? Category;

			[UsedImplicitly]
			public Action<ConfigEntryBase>? CustomDrawer;
		}

		internal const string ModName = "AAABuildMenu";

		internal const string ModVersion = "1.0.1";

		internal const string Author = "Azumatt";

		private const string ModGUID = "Azumatt.AAABuildMenu";

		private static string ConfigFileName = "Azumatt.AAABuildMenu.cfg";

		private static string ConfigFileFullPath;

		internal static string ConnectionError;

		private readonly Harmony _harmony = new Harmony("Azumatt.AAABuildMenu");

		public static readonly ManualLogSource AAABuildMenuLogger;

		public static ConfigEntry<Toggle> EnableEnhancedMenu;

		public static ConfigEntry<int> MaxRecentItems;

		public static ConfigEntry<Toggle> EnableSearch;

		public static ConfigEntry<Toggle> EnableFilters;

		public static ConfigEntry<Toggle> FavoritesPerCharacter;

		public static ConfigEntry<PieceSortMode> DefaultSortMode;

		public static ConfigEntry<Toggle> EnablePinning;

		public static ConfigEntry<Toggle> EnableRecentFilter;

		public static ConfigEntry<Toggle> SearchAllCategories;

		public static ConfigEntry<Toggle> ShowMaterialChips;

		public static ConfigEntry<int> MaterialChipCount;

		public static ConfigEntry<float> IconScale;

		public static ConfigEntry<Toggle> ShowMatchCount;

		public static ConfigEntry<Toggle> ShowKeyHints;

		public static ConfigEntry<KeyboardShortcut> FocusSearchKey;

		public static ConfigEntry<KeyboardShortcut> QuickFavoriteModifier;

		public static ConfigEntry<KeyboardShortcut> QuickPinModifier;

		public static ConfigEntry<Color> FavoriteBorderColor;

		public static ConfigEntry<Color> PinnedBorderColor;

		public static ConfigEntry<Toggle> ShowFavoriteStar;

		public static ConfigEntry<Toggle> EnableResize;

		public static ConfigEntry<Vector2> WindowSizeOffset;

		public static ConfigEntry<Vector2> WindowPosOffset;

		public static ConfigEntry<Toggle> ShowPinIndicator;

		public static ConfigEntry<string> PinIndicatorSymbol;

		public static ConfigEntry<Color> PinIndicatorColor;

		public static ConfigEntry<float> PinIndicatorSize;

		public static ConfigEntry<IndicatorCorner> PinIndicatorCorner;

		public static ConfigEntry<ScreenAnchor> PinTrackerAnchor;

		public static ConfigEntry<Vector2> PinTrackerOffset;

		public static ConfigEntry<TrackerFormat> PinTrackerFormat;

		public static ConfigEntry<float> PinTrackerScale;

		public static ConfigEntry<Toggle> PinTrackerOnlyInBuildMenu;

		public static ConfigEntry<Toggle> ResetFavorites;

		public static ConfigEntry<Toggle> ResetPinned;

		public static ConfigEntry<Toggle> ResetWindowLayout;

		public static ConfigEntry<string> SerializedFavorites;

		public static ConfigEntry<string> SerializedUsageStats;

		public static ConfigEntry<string> SerializedPinned;

		public static ConfigEntry<string> SerializedRecents;

		private static int _configOrder;

		public void Awake()
		{
			//IL_013b: Unknown result type (might be due to invalid IL or missing references)
			//IL_0146: Expected O, but got Unknown
			//IL_0174: Unknown result type (might be due to invalid IL or missing references)
			//IL_017f: Expected O, but got Unknown
			//IL_01a3: Unknown result type (might be due to invalid IL or missing references)
			//IL_01d7: Unknown result type (might be due to invalid IL or missing references)
			//IL_0278: Unknown result type (might be due to invalid IL or missing references)
			//IL_02a2: Unknown result type (might be due to invalid IL or missing references)
			//IL_02cc: Unknown result type (might be due to invalid IL or missing references)
			//IL_02ec: Unknown result type (might be due to invalid IL or missing references)
			//IL_0311: Unknown result type (might be due to invalid IL or missing references)
			//IL_031c: Expected O, but got Unknown
			//IL_032c: Unknown result type (might be due to invalid IL or missing references)
			//IL_0351: Unknown result type (might be due to invalid IL or missing references)
			//IL_035c: Expected O, but got Unknown
			//IL_03bc: Unknown result type (might be due to invalid IL or missing references)
			//IL_03fa: Unknown result type (might be due to invalid IL or missing references)
			//IL_0405: Expected O, but got Unknown
			//IL_044d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0472: Unknown result type (might be due to invalid IL or missing references)
			//IL_047d: Expected O, but got Unknown
			//IL_04c7: Unknown result type (might be due to invalid IL or missing references)
			//IL_04d2: Expected O, but got Unknown
			//IL_057d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0588: Expected O, but got Unknown
			//IL_05bd: Unknown result type (might be due to invalid IL or missing references)
			//IL_05c8: Expected O, but got Unknown
			//IL_05fd: Unknown result type (might be due to invalid IL or missing references)
			//IL_0608: Expected O, but got Unknown
			//IL_063d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0648: Expected O, but got Unknown
			Localizer.Load();
			EnableEnhancedMenu = config("1 - Enable Enhanced Build Menu", "Enable Enhanced Menu", Toggle.On, "Enable enhanced build menu with search, filters, scrolling, and favorites", synchronizedSetting: false);
			EnableSearch = config("2 - Enhanced Build Menu", "Enable Search", Toggle.On, "Enable search bar in build menu", synchronizedSetting: false);
			EnableFilters = config("2 - Enhanced Build Menu", "Enable Filters", Toggle.On, "Enable filter buttons (Can Craft, Missing Materials, etc.)", synchronizedSetting: false);
			EnablePinning = config("2 - Enhanced Build Menu", "Enable Recipe Pinning", Toggle.On, "Enable pinning build pieces to an on-screen material tracker (Ctrl+Right-Click a piece)", synchronizedSetting: false);
			EnableRecentFilter = config("2 - Enhanced Build Menu", "Enable Recent Filter", Toggle.On, "Show a 'Recent' filter button for recently placed pieces", synchronizedSetting: false);
			EnableResize = config("2 - Enhanced Build Menu", "Enable Resize Handle", Toggle.On, "Show a drag handle at the bottom-right of the build menu to resize it", synchronizedSetting: false);
			SearchAllCategories = config("2 - Enhanced Build Menu", "Search All Categories", Toggle.On, "When searching or filtering, aggregate matches from every category into one grid (global search)", synchronizedSetting: false);
			ShowMatchCount = config("2 - Enhanced Build Menu", "Show Match Count", Toggle.On, "Show the number of pieces matching the current search/filter", synchronizedSetting: false);
			ShowKeyHints = config("2 - Enhanced Build Menu", "Show Key Hints", Toggle.On, "Add Favorite / Pin / Search key hints to the build hint bar while the build menu is open", synchronizedSetting: false);
			ShowMaterialChips = config("2 - Enhanced Build Menu", "Show Common Materials", Toggle.On, "Surface the most-used materials in a 'Common' section at the top of the Materials dropdown (adapts to your modpack)", synchronizedSetting: false);
			MaterialChipCount = config("2 - Enhanced Build Menu", "Common Material Count", 8, new ConfigDescription("How many materials to list under 'Common'", (AcceptableValueBase)(object)new AcceptableValueRange<int>(3, 15), Array.Empty<object>()), synchronizedSetting: false);
			IconScale = config("2 - Enhanced Build Menu", "Icon Scale", 1f, new ConfigDescription("Size multiplier for piece icons in the grid (1.0 = vanilla)", (AcceptableValueBase)(object)new AcceptableValueRange<float>(0.75f, 1.75f), Array.Empty<object>()), synchronizedSetting: false);
			FavoriteBorderColor = config<Color>("2 - Enhanced Build Menu", "Favorite Border Color", new Color(1f, 0.82f, 0.2f, 0.95f), "Border drawn around favorited pieces (at-a-glance marker)", synchronizedSetting: false);
			PinnedBorderColor = config<Color>("2 - Enhanced Build Menu", "Pinned Border Color", new Color(0.4f, 0.7f, 1f, 0.95f), "Border drawn around pinned pieces (at-a-glance marker)", synchronizedSetting: false);
			ShowFavoriteStar = config("2 - Enhanced Build Menu", "Show Favorite Star", Toggle.Off, "Show a clickable star on hovered pieces to toggle favorite. Off by default — the favorite border already marks the state (Shift+click a piece to favorite)", synchronizedSetting: false);
			DefaultSortMode = config("2 - Enhanced Build Menu", "Default Sort Mode", PieceSortMode.Vanilla, "Default sorting mode for pieces (Vanilla, Alphabetical, Cost, UsageFrequency)", synchronizedSetting: false);
			FavoritesPerCharacter = config("2 - Enhanced Build Menu", "Favorites Per Character", Toggle.On, "Store favorites per character instead of globally", synchronizedSetting: false);
			MaxRecentItems = config("2 - Enhanced Build Menu", "Max Recent Items", 20, "Maximum number of recent items to track per character", synchronizedSetting: false);
			FocusSearchKey = config<KeyboardShortcut>("2 - Enhanced Build Menu", "Focus Search Hotkey", new KeyboardShortcut((KeyCode)102, (KeyCode[])(object)new KeyCode[1] { (KeyCode)306 }), "Hotkey to focus the search box while the build menu is open", synchronizedSetting: false);
			QuickFavoriteModifier = config<KeyboardShortcut>("2 - Enhanced Build Menu", "Quick Favorite Modifier", new KeyboardShortcut((KeyCode)304, Array.Empty<KeyCode>()), "Hold this while clicking a piece in the build menu to favorite/unfavorite it instead of selecting it (easier than clicking the small star)", synchronizedSetting: false);
			QuickPinModifier = config<KeyboardShortcut>("2 - Enhanced Build Menu", "Quick Pin Modifier", new KeyboardShortcut((KeyCode)308, Array.Empty<KeyCode>()), "Hold this while clicking a piece to pin/unpin it instead of selecting it", synchronizedSetting: false);
			WindowSizeOffset = config<Vector2>("3 - Build Menu Data", "Window Size Offset", Vector2.zero, new ConfigDescription("Saved build-menu size adjustment (set by dragging the resize handle)", (AcceptableValueBase)null, new object[1]
			{
				new ConfigurationManagerAttributes
				{
					Browsable = false
				}
			}), synchronizedSetting: false);
			WindowPosOffset = config<Vector2>("3 - Build Menu Data", "Window Position Offset", Vector2.zero, new ConfigDescription("Saved build-menu position adjustment (set by dragging the move handle)", (AcceptableValueBase)null, new object[1]
			{
				new ConfigurationManagerAttributes
				{
					Browsable = false
				}
			}), synchronizedSetting: false);
			ShowPinIndicator = config("4 - Pin Indicator", "Show Pin Indicator", Toggle.Off, "Show a marker/clickable pin on pieces inside the build menu. Off by default — the pin border already marks the state (Alt+click a piece to pin)", synchronizedSetting: false);
			PinIndicatorSymbol = config("4 - Pin Indicator", "Symbol", "●", "Text/glyph drawn as the pin marker. Use a character your game font supports", synchronizedSetting: false);
			PinIndicatorColor = config<Color>("4 - Pin Indicator", "Color", new Color(0.4f, 0.8f, 1f, 1f), "Color of the pin marker", synchronizedSetting: false);
			PinIndicatorSize = config("4 - Pin Indicator", "Font Size", 16f, new ConfigDescription("Font size of the pin marker", (AcceptableValueBase)(object)new AcceptableValueRange<float>(6f, 40f), Array.Empty<object>()), synchronizedSetting: false);
			PinIndicatorCorner = config("4 - Pin Indicator", "Corner", IndicatorCorner.TopLeft, "Which corner of the icon the pin marker sits in", synchronizedSetting: false);
			PinTrackerAnchor = config("5 - Pin Tracker", "Screen Position", ScreenAnchor.MiddleLeft, "Preset screen position for the pinned-builds tracker panel", synchronizedSetting: false);
			PinTrackerOffset = config<Vector2>("5 - Pin Tracker", "Position Offset", Vector2.zero, new ConfigDescription("Fine-tune offset from the preset position (set by dragging the panel)", (AcceptableValueBase)null, new object[1]
			{
				new ConfigurationManagerAttributes
				{
					Browsable = false
				}
			}), synchronizedSetting: false);
			PinTrackerFormat = config("5 - Pin Tracker", "Format", TrackerFormat.Detailed, "Detailed: one resource per line. Compact: resources inline after the name", synchronizedSetting: false);
			PinTrackerScale = config("5 - Pin Tracker", "Scale", 1f, new ConfigDescription("Size multiplier for the tracker panel text", (AcceptableValueBase)(object)new AcceptableValueRange<float>(0.6f, 2f), Array.Empty<object>()), synchronizedSetting: false);
			PinTrackerOnlyInBuildMenu = config("5 - Pin Tracker", "Only Show With Build Menu", Toggle.On, "Only show the pinned-builds tracker while the build menu is open", synchronizedSetting: false);
			ResetFavorites = config("6 - Reset Actions", "Clear All Favorites", Toggle.Off, "Toggle on to clear ALL favorited pieces", synchronizedSetting: false);
			ResetPinned = config("6 - Reset Actions", "Clear All Pinned", Toggle.Off, "Toggle on to clear ALL pinned recipes", synchronizedSetting: false);
			ResetWindowLayout = config("6 - Reset Actions", "Reset Size & Position", Toggle.Off, "Toggle on to reset the build menu size and position to default", synchronizedSetting: false);
			HookResetActions();
			SerializedFavorites = config("3 - Build Menu Data", "Favorites Data", "", new ConfigDescription("Internal storage for favorites (do not edit manually)", (AcceptableValueBase)null, new object[1]
			{
				new ConfigurationManagerAttributes
				{
					Browsable = false
				}
			}), synchronizedSetting: false);
			SerializedUsageStats = config("3 - Build Menu Data", "Usage Statistics", "{}", new ConfigDescription("Internal storage for usage statistics (do not edit manually)", (AcceptableValueBase)null, new object[1]
			{
				new ConfigurationManagerAttributes
				{
					Browsable = false
				}
			}), synchronizedSetting: false);
			SerializedPinned = config("3 - Build Menu Data", "Pinned Data", "", new ConfigDescription("Internal storage for pinned pieces (do not edit manually)", (AcceptableValueBase)null, new object[1]
			{
				new ConfigurationManagerAttributes
				{
					Browsable = false
				}
			}), synchronizedSetting: false);
			SerializedRecents = config("3 - Build Menu Data", "Recent Data", "", new ConfigDescription("Internal storage for recent pieces (do not edit manually)", (AcceptableValueBase)null, new object[1]
			{
				new ConfigurationManagerAttributes
				{
					Browsable = false
				}
			}), synchronizedSetting: false);
			Assembly executingAssembly = Assembly.GetExecutingAssembly();
			_harmony.PatchAll(executingAssembly);
			SetupWatcher();
		}

		private void OnDestroy()
		{
			((BaseUnityPlugin)this).Config.Save();
		}

		private void HookResetActions()
		{
			ResetFavorites.SettingChanged += delegate
			{
				if (ResetFavorites.Value == Toggle.On)
				{
					BuildMenuDataManager.ClearAllFavorites();
					ResetFavorites.Value = Toggle.Off;
				}
			};
			ResetPinned.SettingChanged += delegate
			{
				if (ResetPinned.Value == Toggle.On)
				{
					BuildMenuDataManager.ClearPinned();
					ResetPinned.Value = Toggle.Off;
				}
			};
			ResetWindowLayout.SettingChanged += delegate
			{
				if (ResetWindowLayout.Value == Toggle.On)
				{
					EnhancedBuildMenu.ResetWindowTransform();
					ResetWindowLayout.Value = Toggle.Off;
				}
			};
		}

		private void SetupWatcher()
		{
			FileSystemWatcher fileSystemWatcher = new FileSystemWatcher(Paths.ConfigPath, ConfigFileName);
			fileSystemWatcher.Changed += ReadConfigValues;
			fileSystemWatcher.Created += ReadConfigValues;
			fileSystemWatcher.Renamed += ReadConfigValues;
			fileSystemWatcher.IncludeSubdirectories = true;
			fileSystemWatcher.SynchronizingObject = ThreadingHelper.SynchronizingObject;
			fileSystemWatcher.EnableRaisingEvents = true;
		}

		private void ReadConfigValues(object sender, FileSystemEventArgs e)
		{
			if (!File.Exists(ConfigFileFullPath))
			{
				return;
			}
			try
			{
				AAABuildMenuLogger.LogDebug((object)"ReadConfigValues called");
				((BaseUnityPlugin)this).Config.Reload();
			}
			catch
			{
				AAABuildMenuLogger.LogError((object)("There was an issue loading your " + ConfigFileName));
				AAABuildMenuLogger.LogError((object)"Please check your config entries for spelling and format!");
			}
		}

		private ConfigEntry<T> config<T>(string group, string name, T value, ConfigDescription description, bool synchronizedSetting = true)
		{
			//IL_0078: Unknown result type (might be due to invalid IL or missing references)
			//IL_007e: Expected O, but got Unknown
			object[] array = description.Tags ?? Array.Empty<object>();
			ConfigurationManagerAttributes configurationManagerAttributes = array.OfType<ConfigurationManagerAttributes>().FirstOrDefault();
			if (configurationManagerAttributes == null)
			{
				configurationManagerAttributes = new ConfigurationManagerAttributes();
				array = array.Concat(new object[1] { configurationManagerAttributes }).ToArray();
			}
			configurationManagerAttributes.Order = _configOrder--;
			ConfigDescription val = new ConfigDescription(description.Description + (synchronizedSetting ? " [Synced with Server]" : " [Not Synced with Server]"), description.AcceptableValues, array);
			return ((BaseUnityPlugin)this).Config.Bind<T>(group, name, value, val);
		}

		private ConfigEntry<T> config<T>(string group, string name, T value, string description, bool synchronizedSetting = true)
		{
			//IL_000c: Unknown result type (might be due to invalid IL or missing references)
			//IL_0018: Expected O, but got Unknown
			return config(group, name, value, new ConfigDescription(description, (AcceptableValueBase)null, Array.Empty<object>()), synchronizedSetting);
		}

		static AAABuildMenuPlugin()
		{
			string configPath = Paths.ConfigPath;
			char directorySeparatorChar = Path.DirectorySeparatorChar;
			ConfigFileFullPath = configPath + directorySeparatorChar + ConfigFileName;
			ConnectionError = "";
			AAABuildMenuLogger = Logger.CreateLogSource("AAABuildMenu");
			EnableEnhancedMenu = null;
			MaxRecentItems = null;
			EnableSearch = null;
			EnableFilters = null;
			FavoritesPerCharacter = null;
			DefaultSortMode = null;
			EnablePinning = null;
			EnableRecentFilter = null;
			SearchAllCategories = null;
			ShowMaterialChips = null;
			MaterialChipCount = null;
			IconScale = null;
			ShowMatchCount = null;
			ShowKeyHints = null;
			FocusSearchKey = null;
			QuickFavoriteModifier = null;
			QuickPinModifier = null;
			FavoriteBorderColor = null;
			PinnedBorderColor = null;
			ShowFavoriteStar = null;
			EnableResize = null;
			WindowSizeOffset = null;
			WindowPosOffset = null;
			ShowPinIndicator = null;
			PinIndicatorSymbol = null;
			PinIndicatorColor = null;
			PinIndicatorSize = null;
			PinIndicatorCorner = null;
			PinTrackerAnchor = null;
			PinTrackerOffset = null;
			PinTrackerFormat = null;
			PinTrackerScale = null;
			PinTrackerOnlyInBuildMenu = null;
			ResetFavorites = null;
			ResetPinned = null;
			ResetWindowLayout = null;
			SerializedFavorites = null;
			SerializedUsageStats = null;
			SerializedPinned = null;
			SerializedRecents = null;
			_configOrder = 1000;
		}
	}
	public static class KeyboardExtensions
	{
		[SpecialName]
		public sealed class <G>$8D1D3E80A18AA9715780B6CB7003B2F1
		{
			[SpecialName]
			public static class <M>$895AB635D4D087636CF1C26BA650BA11
			{
			}

			[ExtensionMarker("<M>$895AB635D4D087636CF1C26BA650BA11")]
			public bool IsKeyDown()
			{
				throw null;
			}

			[ExtensionMarker("<M>$895AB635D4D087636CF1C26BA650BA11")]
			public bool IsKeyHeld()
			{
				throw null;
			}
		}

		public static bool IsKeyDown(this KeyboardShortcut shortcut)
		{
			//IL_0002: Unknown result type (might be due to invalid IL or missing references)
			//IL_000b: Unknown result type (might be due to invalid IL or missing references)
			if ((int)((KeyboardShortcut)(ref shortcut)).MainKey != 0 && Input.GetKeyDown(((KeyboardShortcut)(ref shortcut)).MainKey))
			{
				return ((KeyboardShortcut)(ref shortcut)).Modifiers.All((Func<KeyCode, bool>)Input.GetKey);
			}
			return false;
		}

		public static bool IsKeyHeld(this KeyboardShortcut shortcut)
		{
			//IL_0002: Unknown result type (might be due to invalid IL or missing references)
			//IL_000b: Unknown result type (might be due to invalid IL or missing references)
			if ((int)((KeyboardShortcut)(ref shortcut)).MainKey != 0 && Input.GetKey(((KeyboardShortcut)(ref shortcut)).MainKey))
			{
				return ((KeyboardShortcut)(ref shortcut)).Modifiers.All((Func<KeyCode, bool>)Input.GetKey);
			}
			return false;
		}
	}
	public static class ToggleExtensions
	{
		[SpecialName]
		public sealed class <G>$44D642ED9874515F4CB527204164BB88
		{
			[SpecialName]
			public static class <M>$26FDD03DBA8274F132E568F18E045BAF
			{
			}

			[ExtensionMarker("<M>$26FDD03DBA8274F132E568F18E045BAF")]
			public bool IsOn()
			{
				throw null;
			}

			[ExtensionMarker("<M>$26FDD03DBA8274F132E568F18E045BAF")]
			public bool IsOff()
			{
				throw null;
			}
		}

		public static bool IsOn(this AAABuildMenuPlugin.Toggle toggle)
		{
			return toggle == AAABuildMenuPlugin.Toggle.On;
		}

		public static bool IsOff(this AAABuildMenuPlugin.Toggle toggle)
		{
			return toggle == AAABuildMenuPlugin.Toggle.Off;
		}
	}
	public static class ProceduralSprites
	{
		private static readonly Dictionary<string, Sprite> Cache = new Dictionary<string, Sprite>();

		private static readonly Color32 White = new Color32(byte.MaxValue, byte.MaxValue, byte.MaxValue, byte.MaxValue);

		private static readonly Color32 Clear = new Color32(byte.MaxValue, byte.MaxValue, byte.MaxValue, (byte)0);

		public static Sprite RoundedRect(int size, int radius)
		{
			//IL_0033: Unknown result type (might be due to invalid IL or missing references)
			//IL_0038: Unknown result type (might be due to invalid IL or missing references)
			//IL_003f: Unknown result type (might be due to invalid IL or missing references)
			//IL_0047: Expected O, but got Unknown
			//IL_00b3: Unknown result type (might be due to invalid IL or missing references)
			//IL_00c2: Unknown result type (might be due to invalid IL or missing references)
			//IL_00d6: Unknown result type (might be due to invalid IL or missing references)
			//IL_0077: Unknown result type (might be due to invalid IL or missing references)
			//IL_0070: Unknown result type (might be due to invalid IL or missing references)
			//IL_007c: Unknown result type (might be due to invalid IL or missing references)
			string text = $"rr-{size}-{radius}";
			if (Cache.TryGetValue(text, out Sprite value) && (Object)(object)value != (Object)null)
			{
				return value;
			}
			Texture2D val = new Texture2D(size, size)
			{
				wrapMode = (TextureWrapMode)1,
				filterMode = (FilterMode)1
			};
			Color32[] array = (Color32[])(object)new Color32[size * size];
			for (int i = 0; i < size; i++)
			{
				for (int j = 0; j < size; j++)
				{
					array[i * size + j] = (IsCornerCut(j, i, size, size, radius) ? Clear : White);
				}
			}
			val.SetPixels32(array);
			val.Apply();
			Sprite val2 = Sprite.Create(val, new Rect(0f, 0f, (float)size, (float)size), new Vector2(0.5f, 0.5f), 100f, 0u, (SpriteMeshType)0, new Vector4((float)radius, (float)radius, (float)radius, (float)radius));
			((Object)val2).name = text;
			Cache[text] = val2;
			return val2;
		}

		public static Sprite Border(int size, int thickness)
		{
			//IL_0033: Unknown result type (might be due to invalid IL or missing references)
			//IL_0038: Unknown result type (might be due to invalid IL or missing references)
			//IL_003f: Unknown result type (might be due to invalid IL or missing references)
			//IL_0047: Expected O, but got Unknown
			//IL_00c9: Unknown result type (might be due to invalid IL or missing references)
			//IL_00d8: Unknown result type (might be due to invalid IL or missing references)
			//IL_00ec: Unknown result type (might be due to invalid IL or missing references)
			//IL_008d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0086: Unknown result type (might be due to invalid IL or missing references)
			//IL_0092: Unknown result type (might be due to invalid IL or missing references)
			string text = $"border-{size}-{thickness}";
			if (Cache.TryGetValue(text, out Sprite value) && (Object)(object)value != (Object)null)
			{
				return value;
			}
			Texture2D val = new Texture2D(size, size)
			{
				wrapMode = (TextureWrapMode)1,
				filterMode = (FilterMode)1
			};
			Color32[] array = (Color32[])(object)new Color32[size * size];
			for (int i = 0; i < size; i++)
			{
				for (int j = 0; j < size; j++)
				{
					bool flag = j < thickness || j >= size - thickness || i < thickness || i >= size - thickness;
					array[i * size + j] = (flag ? White : Clear);
				}
			}
			val.SetPixels32(array);
			val.Apply();
			Sprite val2 = Sprite.Create(val, new Rect(0f, 0f, (float)size, (float)size), new Vector2(0.5f, 0.5f), 100f, 0u, (SpriteMeshType)0, new Vector4((float)thickness, (float)thickness, (float)thickness, (float)thickness));
			((Object)val2).name = text;
			Cache[text] = val2;
			return val2;
		}

		public static Sprite Star(int size, int points = 5, float innerRatio = 0.45f)
		{
			//IL_00de: Unknown result type (might be due to invalid IL or missing references)
			//IL_00e3: Unknown result type (might be due to invalid IL or missing references)
			//IL_00ea: Unknown result type (might be due to invalid IL or missing references)
			//IL_00f3: Expected O, but got Unknown
			//IL_01d9: Unknown result type (might be due to invalid IL or missing references)
			//IL_01e8: Unknown result type (might be due to invalid IL or missing references)
			//IL_0193: Unknown result type (might be due to invalid IL or missing references)
			//IL_0198: Unknown result type (might be due to invalid IL or missing references)
			string text = $"star-{size}-{points}-{innerRatio:0.00}";
			if (Cache.TryGetValue(text, out Sprite value) && (Object)(object)value != (Object)null)
			{
				return value;
			}
			int num = points * 2;
			float num2 = (float)(size - 1) * 0.5f;
			float num3 = (float)(size - 1) * 0.5f;
			float num4 = (float)size * 0.5f - 1f;
			float num5 = num4 * Mathf.Clamp(innerRatio, 0.1f, 0.9f);
			float[] array = new float[num];
			float[] array2 = new float[num];
			for (int i = 0; i < num; i++)
			{
				float num6 = (float)Math.PI / 2f + (float)i * (float)Math.PI / (float)points;
				float num7 = (((i & 1) == 0) ? num4 : num5);
				array[i] = num2 + num7 * Mathf.Cos(num6);
				array2[i] = num3 + num7 * Mathf.Sin(num6);
			}
			Texture2D val = new Texture2D(size, size)
			{
				wrapMode = (TextureWrapMode)1,
				filterMode = (FilterMode)1
			};
			Color32[] array3 = (Color32[])(object)new Color32[size * size];
			for (int j = 0; j < size; j++)
			{
				for (int k = 0; k < size; k++)
				{
					int num8 = 0;
					for (int l = 0; l < 4; l++)
					{
						for (int m = 0; m < 4; m++)
						{
							float px = (float)k + ((float)m + 0.5f) / 4f;
							float py = (float)j + ((float)l + 0.5f) / 4f;
							if (PointInPolygon(px, py, array, array2))
							{
								num8++;
							}
						}
					}
					byte b = (byte)(255 * num8 / 16);
					array3[j * size + k] = new Color32(byte.MaxValue, byte.MaxValue, byte.MaxValue, b);
				}
			}
			val.SetPixels32(array3);
			val.Apply();
			Sprite val2 = Sprite.Create(val, new Rect(0f, 0f, (float)size, (float)size), new Vector2(0.5f, 0.5f), 100f);
			((Object)val2).name = text;
			Cache[text] = val2;
			return val2;
		}

		private static bool PointInPolygon(float px, float py, float[] vx, float[] vy)
		{
			bool flag = false;
			int num = vx.Length;
			int num2 = 0;
			int num3 = num - 1;
			while (num2 < num)
			{
				if (vy[num2] > py != vy[num3] > py && px < (vx[num3] - vx[num2]) * (py - vy[num2]) / (vy[num3] - vy[num2]) + vx[num2])
				{
					flag = !flag;
				}
				num3 = num2++;
			}
			return flag;
		}

		private static bool IsCornerCut(int x, int y, int w, int h, int rad)
		{
			if (rad <= 0)
			{
				return false;
			}
			int num = Math.Min(x, w - 1 - x);
			int num2 = Math.Min(y, h - 1 - y);
			if (num > rad || num2 > rad)
			{
				return false;
			}
			int num3 = rad - num;
			int num4 = rad - num2;
			return num3 * num3 + num4 * num4 > rad * rad;
		}
	}
}
namespace System.Runtime.CompilerServices
{
	[CompilerGenerated]
	[Embedded]
	internal sealed class IsReadOnlyAttribute : Attribute
	{
	}
}
namespace YamlDotNet
{
	internal sealed class CultureInfoAdapter : CultureInfo
	{
		private readonly IFormatProvider provider;

		public CultureInfoAdapter(CultureInfo baseCulture, IFormatProvider provider)
			: base(baseCulture.Name)
		{
			this.provider = provider;
		}

		public override object? GetFormat(Type formatType)
		{
			return provider.GetFormat(formatType);
		}
	}
	internal static class Polyfills
	{
		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		internal static bool Contains(this string source, char c)
		{
			return source.IndexOf(c) != -1;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		internal static bool EndsWith(this string source, char c)
		{
			if (source.Length > 0)
			{
				return source[source.Length - 1] == c;
			}
			return false;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		internal static bool StartsWith(this string source, char c)
		{
			if (source.Length > 0)
			{
				return source[0] == c;
			}
			return false;
		}
	}
	internal static class PropertyInfoExtensions
	{
		public static object? ReadValue(this PropertyInfo property, object target)
		{
			return property.GetValue(target, null);
		}
	}
	internal static class ReflectionExtensions
	{
		private static readonly Func<PropertyInfo, bool> IsInstance = (PropertyInfo property) => !(property.GetMethod ?? property.SetMethod).IsStatic;

		private static readonly Func<PropertyInfo, bool> IsInstancePublic = (PropertyInfo property) => IsInstance(property) && (property.GetMethod ?? property.SetMethod).IsPublic;

		public static Type? BaseType(this Type type)
		{
			return type.GetTypeInfo().BaseType;
		}

		public static bool IsValueType(this Type type)
		{
			return type.GetTypeInfo().IsValueType;
		}

		public static bool IsGenericType(this Type type)
		{
			return type.GetTypeInfo().IsGenericType;
		}

		public static bool IsGenericTypeDefinition(this Type type)
		{
			return type.GetTypeInfo().IsGenericTypeDefinition;
		}

		public static Type? GetImplementationOfOpenGenericInterface(this Type type, Type openGenericType)
		{
			if (!openGenericType.IsGenericType || !openGenericType.IsInterface)
			{
				throw new ArgumentException("The type must be a generic type definition and an interface", "openGenericType");
			}
			if (IsGenericDefinitionOfType(type, openGenericType))
			{
				return type;
			}
			return type.FindInterfaces((Type t, object context) => IsGenericDefinitionOfType(t, context), openGenericType).FirstOrDefault();
			static bool IsGenericDefinitionOfType(Type t, object? context)
			{
				if (t.IsGenericType)
				{
					return t.GetGenericTypeDefinition() == (Type)context;
				}
				return false;
			}
		}

		public static bool IsInterface(this Type type)
		{
			return type.GetTypeInfo().IsInterface;
		}

		public static bool IsEnum(this Type type)
		{
			return type.GetTypeInfo().IsEnum;
		}

		public static bool IsRequired(this MemberInfo member)
		{
			return member.GetCustomAttributes(inherit: true).Any((object x) => x.GetType().FullName == "System.Runtime.CompilerServices.RequiredMemberAttribute");
		}

		public static bool HasDefaultConstructor(this Type type, bool allowPrivateConstructors)
		{
			BindingFlags bindingFlags = BindingFlags.Instance | BindingFlags.Public;
			if (allowPrivateConstructors)
			{
				bindingFlags |= BindingFlags.NonPublic;
			}
			if (!type.IsValueType)
			{
				return type.GetConstructor(bindingFlags, null, Type.EmptyTypes, null) != null;
			}
			return true;
		}

		public static bool IsAssignableFrom(this Type type, Type source)
		{
			return type.IsAssignableFrom(source.GetTypeInfo());
		}

		public static bool IsAssignableFrom(this Type type, TypeInfo source)
		{
			return type.GetTypeInfo().IsAssignableFrom(source);
		}

		public static TypeCode GetTypeCode(this Type type)
		{
			if (type.IsEnum())
			{
				type = Enum.GetUnderlyingType(type);
			}
			if (type == typeof(bool))
			{
				return TypeCode.Boolean;
			}
			if (type == typeof(char))
			{
				return TypeCode.Char;
			}
			if (type == typeof(sbyte))
			{
				return TypeCode.SByte;
			}
			if (type == typeof(byte))
			{
				return TypeCode.Byte;
			}
			if (type == typeof(short))
			{
				return TypeCode.Int16;
			}
			if (type == typeof(ushort))
			{
				return TypeCode.UInt16;
			}
			if (type == typeof(int))
			{
				return TypeCode.Int32;
			}
			if (type == typeof(uint))
			{
				return TypeCode.UInt32;
			}
			if (type == typeof(long))
			{
				return TypeCode.Int64;
			}
			if (type == typeof(ulong))
			{
				return TypeCode.UInt64;
			}
			if (type == typeof(float))
			{
				return TypeCode.Single;
			}
			if (type == typeof(double))
			{
				return TypeCode.Double;
			}
			if (type == typeof(decimal))
			{
				return TypeCode.Decimal;
			}
			if (type == typeof(DateTime))
			{
				return TypeCode.DateTime;
			}
			if (type == typeof(string))
			{
				return TypeCode.String;
			}
			return TypeCode.Object;
		}

		public static bool IsDbNull(this object value)
		{
			return value?.GetType()?.FullName == "System.DBNull";
		}

		public static Type[] GetGenericArguments(this Type type)
		{
			return type.GetTypeInfo().GenericTypeArguments;
		}

		public static PropertyInfo? GetPublicProperty(this Type type, string name)
		{
			return type.GetProperties(BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public).FirstOrDefault((PropertyInfo p) => p.Name == name);
		}

		public static FieldInfo? GetPublicStaticField(this Type type, string name)
		{
			return type.GetRuntimeField(name);
		}

		public static IEnumerable<PropertyInfo> GetProperties(this Type type, bool includeNonPublic)
		{
			Func<PropertyInfo, bool> predicate = (includeNonPublic ? IsInstance : IsInstancePublic);
			if (!type.IsInterface())
			{
				return type.GetRuntimeProperties().Where(predicate);
			}
			return new Type[1] { type }.Concat(type.GetInterfaces()).SelectMany((Type i) => i.GetRuntimeProperties().Where(predicate));
		}

		public static IEnumerable<PropertyInfo> GetPublicProperties(this Type type)
		{
			return type.GetProperties(includeNonPublic: false);
		}

		public static IEnumerable<FieldInfo> GetPublicFields(this Type type)
		{
			return from f in type.GetRuntimeFields()
				where !f.IsStatic && f.IsPublic
				select f;
		}

		public static IEnumerable<MethodInfo> GetPublicStaticMethods(this Type type)
		{
			return from m in type.GetRuntimeMethods()
				where m.IsPublic && m.IsStatic
				select m;
		}

		public static MethodInfo GetPrivateStaticMethod(this Type type, string name)
		{
			return type.GetRuntimeMethods().FirstOrDefault((MethodInfo m) => !m.IsPublic && m.IsStatic && m.Name.Equals(name)) ?? throw new MissingMethodException("Expected to find a method named '" + name + "' in '" + type.FullName + "'.");
		}

		public static MethodInfo? GetPublicStaticMethod(this Type type, string name, params Type[] parameterTypes)
		{
			return type.GetRuntimeMethods().FirstOrDefault(delegate(MethodInfo m)
			{
				if (m.IsPublic && m.IsStatic && m.Name.Equals(name))
				{
					ParameterInfo[] parameters = m.GetParameters();
					if (parameters.Length == parameterTypes.Length)
					{
						return parameters.Zip(parameterTypes, (ParameterInfo pi, Type pt) => pi.ParameterType == pt).All((bool r) => r);
					}
					return false;
				}
				return false;
			});
		}

		public static MethodInfo? GetPublicInstanceMethod(this Type type, string name)
		{
			return type.GetRuntimeMethods().FirstOrDefault((MethodInfo m) => m.IsPublic && !m.IsStatic && m.Name.Equals(name));
		}

		public static MethodInfo? GetGetMethod(this PropertyInfo property, bool nonPublic)
		{
			MethodInfo methodInfo = property.GetMethod;
			if (!nonPublic && !methodInfo.IsPublic)
			{
				methodInfo = null;
			}
			return methodInfo;
		}

		public static MethodInfo? GetSetMethod(this PropertyInfo property)
		{
			return property.SetMethod;
		}

		public static IEnumerable<Type> GetInterfaces(this Type type)
		{
			return type.GetTypeInfo().ImplementedInterfaces;
		}

		public static bool IsInstanceOf(this Type type, object o)
		{
			if (!(o.GetType() == type))
			{
				return o.GetType().GetTypeInfo().IsSubclassOf(type);
			}
			return true;
		}

		public static Attribute[] GetAllCustomAttributes<TAttribute>(this PropertyInfo member)
		{
			return Attribute.GetCustomAttributes(member, typeof(TAttribute), inherit: true);
		}

		public static bool AcceptsNull(this MemberInfo member)
		{
			object[] customAttributes = member.DeclaringType.GetCustomAttributes(inherit: true);
			object obj = customAttributes.FirstOrDefault((object x) => x.GetType().FullName == "System.Runtime.CompilerServices.NullableContextAttribute");
			int num = 0;
			if (obj != null)
			{
				Type type = obj.GetType();
				PropertyInfo property = type.GetProperty("Flag");
				num = (byte)property.GetValue(obj);
			}
			object[] customAttributes2 = member.GetCustomAttributes(inherit: true);
			object obj2 = customAttributes2.FirstOrDefault((object x) => x.GetType().FullName == "System.Runtime.CompilerServices.NullableAttribute");
			PropertyInfo propertyInfo = (obj2?.GetType())?.GetProperty("NullableFlags");
			byte[] source = (byte[])propertyInfo.GetValue(obj2);
			return source.Any((byte x) => x == 2) || num == 2;
		}
	}
	internal static class StandardRegexOptions
	{
		public const RegexOptions Compiled = RegexOptions.Compiled;
	}
}
namespace YamlDotNet.Serialization
{
	internal abstract class BuilderSkeleton<TBuilder> where TBuilder : BuilderSkeleton<TBuilder>
	{
		internal INamingConvention namingConvention = NullNamingConvention.Instance;

		internal INamingConvention enumNamingConvention = NullNamingConvention.Instance;

		internal ITypeResolver typeResolver;

		internal readonly YamlAttributeOverrides overrides;

		internal readonly LazyComponentRegistrationList<Nothing, IYamlTypeConverter> typeConverterFactories;

		internal readonly LazyComponentRegistrationList<ITypeInspector, ITypeInspector> typeInspectorFactories;

		internal bool ignoreFields;

		internal bool includeNonPublicProperties;

		internal Settings settings;

		internal YamlFormatter yamlFormatter = YamlFormatter.Default;

		protected abstract TBuilder Self { get; }

		internal BuilderSkeleton(ITypeResolver typeResolver)
		{
			overrides = new YamlAttributeOverrides();
			typeConverterFactories = new LazyComponentRegistrationList<Nothing, IYamlTypeConverter>
			{
				{
					typeof(YamlDotNet.Serialization.Converters.GuidConverter),
					(Nothing _) => new YamlDotNet.Serialization.Converters.GuidConverter(jsonCompatible: false)
				},
				{
					typeof(SystemTypeConverter),
					(Nothing _) => new SystemTypeConverter()
				}
			};
			typeInspectorFactories = new LazyComponentRegistrationList<ITypeInspector, ITypeInspector>();
			this.typeResolver = typeResolver ?? throw new ArgumentNullException("typeResolver");
			settings = new Settings();
		}

		public TBuilder IgnoreFields()
		{
			ignoreFields = true;
			return Self;
		}

		public TBuilder IncludeNonPublicProperties()
		{
			includeNonPublicProperties = true;
			return Self;
		}

		public TBuilder EnablePrivateConstructors()
		{
			settings.AllowPrivateConstructors = true;
			return Self;
		}

		public TBuilder WithNamingConvention(INamingConvention namingConvention)
		{
			this.namingConvention = namingConvention ?? throw new ArgumentNullException("namingConvention");
			return Self;
		}

		public TBuilder WithEnumNamingConvention(INamingConvention enumNamingConvention)
		{
			this.enumNamingConvention = enumNamingConvention;
			return Self;
		}

		public TBuilder WithTypeResolver(ITypeResolver typeResolver)
		{
			this.typeResolver = typeResolver ?? throw new ArgumentNullException("typeResolver");
			return Self;
		}

		public abstract TBuilder WithTagMapping(TagName tag, Type type);

		public TBuilder WithAttributeOverride<TClass>(Expression<Func<TClass, object>> propertyAccessor, Attribute attribute)
		{
			overrides.Add(propertyAccessor, attribute);
			return Self;
		}

		public TBuilder WithAttributeOverride(Type type, string member, Attribute attribute)
		{
			overrides.Add(type, member, attribute);
			return Self;
		}

		public TBuilder WithTypeConverter(IYamlTypeConverter typeConverter)
		{
			return WithTypeConverter(typeConverter, delegate(IRegistrationLocationSelectionSyntax<IYamlTypeConverter> w)
			{
				w.OnTop();
			});
		}

		public TBuilder WithTypeConverter(IYamlTypeConverter typeConverter, Action<IRegistrationLocationSelectionSyntax<IYamlTypeConverter>> where)
		{
			if (typeConverter == null)
			{
				throw new ArgumentNullException("typeConverter");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(typeConverterFactories.CreateRegistrationLocationSelector(typeConverter.GetType(), (Nothing _) => typeConverter));
			return Self;
		}

		public TBuilder WithTypeConverter<TYamlTypeConverter>(WrapperFactory<IYamlTypeConverter, IYamlTypeConverter> typeConverterFactory, Action<ITrackingRegistrationLocationSelectionSyntax<IYamlTypeConverter>> where) where TYamlTypeConverter : IYamlTypeConverter
		{
			if (typeConverterFactory == null)
			{
				throw new ArgumentNullException("typeConverterFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(typeConverterFactories.CreateTrackingRegistrationLocationSelector(typeof(TYamlTypeConverter), (IYamlTypeConverter wrapped, Nothing _) => typeConverterFactory(wrapped)));
			return Self;
		}

		public TBuilder WithoutTypeConverter<TYamlTypeConverter>() where TYamlTypeConverter : IYamlTypeConverter
		{
			return WithoutTypeConverter(typeof(TYamlTypeConverter));
		}

		public TBuilder WithoutTypeConverter(Type converterType)
		{
			if (converterType == null)
			{
				throw new ArgumentNullException("converterType");
			}
			typeConverterFactories.Remove(converterType);
			return Self;
		}

		public TBuilder WithTypeInspector<TTypeInspector>(Func<ITypeInspector, TTypeInspector> typeInspectorFactory) where TTypeInspector : ITypeInspector
		{
			return WithTypeInspector(typeInspectorFactory, delegate(IRegistrationLocationSelectionSyntax<ITypeInspector> w)
			{
				w.OnTop();
			});
		}

		public TBuilder WithTypeInspector<TTypeInspector>(Func<ITypeInspector, TTypeInspector> typeInspectorFactory, Action<IRegistrationLocationSelectionSyntax<ITypeInspector>> where) where TTypeInspector : ITypeInspector
		{
			if (typeInspectorFactory == null)
			{
				throw new ArgumentNullException("typeInspectorFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(typeInspectorFactories.CreateRegistrationLocationSelector(typeof(TTypeInspector), (ITypeInspector inner) => typeInspectorFactory(inner)));
			return Self;
		}

		public TBuilder WithTypeInspector<TTypeInspector>(WrapperFactory<ITypeInspector, ITypeInspector, TTypeInspector> typeInspectorFactory, Action<ITrackingRegistrationLocationSelectionSyntax<ITypeInspector>> where) where TTypeInspector : ITypeInspector
		{
			if (typeInspectorFactory == null)
			{
				throw new ArgumentNullException("typeInspectorFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(typeInspectorFactories.CreateTrackingRegistrationLocationSelector(typeof(TTypeInspector), (ITypeInspector wrapped, ITypeInspector inner) => typeInspectorFactory(wrapped, inner)));
			return Self;
		}

		public TBuilder WithoutTypeInspector<TTypeInspector>() where TTypeInspector : ITypeInspector
		{
			return WithoutTypeInspector(typeof(TTypeInspector));
		}

		public TBuilder WithoutTypeInspector(Type inspectorType)
		{
			if (inspectorType == null)
			{
				throw new ArgumentNullException("inspectorType");
			}
			typeInspectorFactories.Remove(inspectorType);
			return Self;
		}

		public TBuilder WithYamlFormatter(YamlFormatter formatter)
		{
			yamlFormatter = formatter ?? throw new ArgumentNullException("formatter");
			return Self;
		}

		protected IEnumerable<IYamlTypeConverter> BuildTypeConverters()
		{
			return typeConverterFactories.BuildComponentList();
		}
	}
	internal delegate TComponent WrapperFactory<TComponentBase, TComponent>(TComponentBase wrapped) where TComponent : TComponentBase;
	internal delegate TComponent WrapperFactory<TArgument, TComponentBase, TComponent>(TComponentBase wrapped, TArgument argument) where TComponent : TComponentBase;
	[Flags]
	internal enum DefaultValuesHandling
	{
		Preserve = 0,
		OmitNull = 1,
		OmitDefaults = 2,
		OmitEmptyCollections = 4
	}
	internal sealed class Deserializer : IDeserializer
	{
		private readonly IValueDeserializer valueDeserializer;

		public Deserializer()
			: this(new DeserializerBuilder().BuildValueDeserializer())
		{
		}

		private Deserializer(IValueDeserializer valueDeserializer)
		{
			this.valueDeserializer = valueDeserializer ?? throw new ArgumentNullException("valueDeserializer");
		}

		public static Deserializer FromValueDeserializer(IValueDeserializer valueDeserializer)
		{
			return new Deserializer(valueDeserializer);
		}

		public T Deserialize<T>(string input)
		{
			using StringReader input2 = new StringReader(input);
			return Deserialize<T>(input2);
		}

		public T Deserialize<T>(TextReader input)
		{
			return Deserialize<T>(new Parser(input));
		}

		public T Deserialize<T>(IParser parser)
		{
			return (T)Deserialize(parser, typeof(T));
		}

		public object? Deserialize(string input)
		{
			return Deserialize<object>(input);
		}

		public object? Deserialize(TextReader input)
		{
			return Deserialize<object>(input);
		}

		public object? Deserialize(IParser parser)
		{
			return Deserialize<object>(parser);
		}

		public object? Deserialize(string input, Type type)
		{
			using StringReader input2 = new StringReader(input);
			return Deserialize(input2, type);
		}

		public object? Deserialize(TextReader input, Type type)
		{
			return Deserialize(new Parser(input), type);
		}

		public object? Deserialize(IParser parser, Type type)
		{
			if (parser == null)
			{
				throw new ArgumentNullException("parser");
			}
			if (type == null)
			{
				throw new ArgumentNullException("type");
			}
			YamlDotNet.Core.Events.StreamStart @event;
			bool flag = parser.TryConsume<YamlDotNet.Core.Events.StreamStart>(out @event);
			YamlDotNet.Core.Events.DocumentStart event2;
			bool flag2 = parser.TryConsume<YamlDotNet.Core.Events.DocumentStart>(out event2);
			object result = null;
			if (!parser.Accept<YamlDotNet.Core.Events.DocumentEnd>(out var _) && !parser.Accept<YamlDotNet.Core.Events.StreamEnd>(out var _))
			{
				using SerializerState serializerState = new SerializerState();
				result = valueDeserializer.DeserializeValue(parser, type, serializerState, valueDeserializer);
				serializerState.OnDeserialization();
			}
			if (flag2)
			{
				parser.Consume<YamlDotNet.Core.Events.DocumentEnd>();
			}
			if (flag)
			{
				parser.Consume<YamlDotNet.Core.Events.StreamEnd>();
			}
			return result;
		}
	}
	internal sealed class DeserializerBuilder : BuilderSkeleton<DeserializerBuilder>
	{
		private Lazy<IObjectFactory> objectFactory;

		private readonly LazyComponentRegistrationList<Nothing, INodeDeserializer> nodeDeserializerFactories;

		private readonly LazyComponentRegistrationList<Nothing, INodeTypeResolver> nodeTypeResolverFactories;

		private readonly Dictionary<TagName, Type> tagMappings;

		private readonly Dictionary<Type, Type> typeMappings;

		private readonly ITypeConverter typeConverter;

		private bool ignoreUnmatched;

		private bool duplicateKeyChecking;

		private bool attemptUnknownTypeDeserialization;

		private bool enforceNullability;

		private bool caseInsensitivePropertyMatching;

		private bool enforceRequiredProperties;

		protected override DeserializerBuilder Self => this;

		public DeserializerBuilder()
			: base((ITypeResolver)new StaticTypeResolver())
		{
			typeMappings = new Dictionary<Type, Type>();
			objectFactory = new Lazy<IObjectFactory>(() => new DefaultObjectFactory(typeMappings, settings), isThreadSafe: true);
			tagMappings = new Dictionary<TagName, Type>
			{
				{
					FailsafeSchema.Tags.Map,
					typeof(Dictionary<object, object>)
				},
				{
					FailsafeSchema.Tags.Str,
					typeof(string)
				},
				{
					JsonSchema.Tags.Bool,
					typeof(bool)
				},
				{
					JsonSchema.Tags.Float,
					typeof(double)
				},
				{
					JsonSchema.Tags.Int,
					typeof(int)
				},
				{
					DefaultSchema.Tags.Timestamp,
					typeof(DateTime)
				}
			};
			typeInspectorFactories.Add(typeof(CachedTypeInspector), (ITypeInspector inner) => new CachedTypeInspector(inner));
			typeInspectorFactories.Add(typeof(NamingConventionTypeInspector), (ITypeInspector inner) => (!(namingConvention is NullNamingConvention)) ? new NamingConventionTypeInspector(inner, namingConvention) : inner);
			typeInspectorFactories.Add(typeof(YamlAttributesTypeInspector), (ITypeInspector inner) => new YamlAttributesTypeInspector(inner));
			typeInspectorFactories.Add(typeof(YamlAttributeOverridesInspector), (ITypeInspector inner) => (overrides == null) ? inner : new YamlAttributeOverridesInspector(inner, overrides.Clone()));
			typeInspectorFactories.Add(typeof(ReadableAndWritablePropertiesTypeInspector), (ITypeInspector inner) => new ReadableAndWritablePropertiesTypeInspector(inner));
			nodeDeserializerFactories = new LazyComponentRegistrationList<Nothing, INodeDeserializer>
			{
				{
					typeof(YamlConvertibleNodeDeserializer),
					(Nothing _) => new YamlConvertibleNodeDeserializer(objectFactory.Value)
				},
				{
					typeof(YamlSerializableNodeDeserializer),
					(Nothing _) => new YamlSerializableNodeDeserializer(objectFactory.Value)
				},
				{
					typeof(TypeConverterNodeDeserializer),
					(Nothing _) => new TypeConverterNodeDeserializer(BuildTypeConverters())
				},
				{
					typeof(NullNodeDeserializer),
					(Nothing _) => new NullNodeDeserializer()
				},
				{
					typeof(ScalarNodeDeserializer),
					(Nothing _) => new ScalarNodeDeserializer(attemptUnknownTypeDeserialization, typeConverter, BuildTypeInspector(), yamlFormatter, enumNamingConvention)
				},
				{
					typeof(ArrayNodeDeserializer),
					(Nothing _) => new ArrayNodeDeserializer(enumNamingConvention, BuildTypeInspector())
				},
				{
					typeof(DictionaryNodeDeserializer),
					(Nothing _) => new DictionaryNodeDeserializer(objectFactory.Value, duplicateKeyChecking)
				},
				{
					typeof(CollectionNodeDeserializer),
					(Nothing _) => new CollectionNodeDeserializer(objectFactory.Value, enumNamingConvention, BuildTypeInspector())
				},
				{
					typeof(EnumerableNodeDeserializer),
					(Nothing _) => new EnumerableNodeDeserializer()
				},
				{
					typeof(ObjectNodeDeserializer),
					(Nothing _) => new ObjectNodeDeserializer(objectFactory.Value, BuildTypeInspector(), ignoreUnmatched, duplicateKeyChecking, typeConverter, enumNamingConvention, enforceNullability, caseInsensitivePropertyMatching, enforceRequiredProperties, BuildTypeConverters())
				},
				{
					typeof(FsharpListNodeDeserializer),
					(Nothing _) => new FsharpListNodeDeserializer(BuildTypeInspector(), enumNamingConvention)
				}
			};
			nodeTypeResolverFactories = new LazyComponentRegistrationList<Nothing, INodeTypeResolver>
			{
				{
					typeof(MappingNodeTypeResolver),
					(Nothing _) => new MappingNodeTypeResolver(typeMappings)
				},
				{
					typeof(YamlConvertibleTypeResolver),
					(Nothing _) => new YamlConvertibleTypeResolver()
				},
				{
					typeof(YamlSerializableTypeResolver),
					(Nothing _) => new YamlSerializableTypeResolver()
				},
				{
					typeof(TagNodeTypeResolver),
					(Nothing _) => new TagNodeTypeResolver(tagMappings)
				},
				{
					typeof(PreventUnknownTagsNodeTypeResolver),
					(Nothing _) => new PreventUnknownTagsNodeTypeResolver()
				},
				{
					typeof(DefaultContainersNodeTypeResolver),
					(Nothing _) => new DefaultContainersNodeTypeResolver()
				}
			};
			typeConverter = new ReflectionTypeConverter();
		}

		public ITypeInspector BuildTypeInspector()
		{
			ITypeInspector typeInspector = new WritablePropertiesTypeInspector(typeResolver, includeNonPublicProperties);
			if (!ignoreFields)
			{
				typeInspector = new CompositeTypeInspector(new ReadableFieldsTypeInspector(typeResolver), typeInspector);
			}
			return typeInspectorFactories.BuildComponentChain(typeInspector);
		}

		public DeserializerBuilder WithAttemptingUnquotedStringTypeDeserialization()
		{
			attemptUnknownTypeDeserialization = true;
			return this;
		}

		public DeserializerBuilder WithObjectFactory(IObjectFactory objectFactory)
		{
			if (objectFactory == null)
			{
				throw new ArgumentNullException("objectFactory");
			}
			this.objectFactory = new Lazy<IObjectFactory>(() => objectFactory, isThreadSafe: true);
			return this;
		}

		public DeserializerBuilder WithObjectFactory(Func<Type, object> objectFactory)
		{
			if (objectFactory == null)
			{
				throw new ArgumentNullException("objectFactory");
			}
			return WithObjectFactory(new LambdaObjectFactory(objectFactory));
		}

		public DeserializerBuilder WithNodeDeserializer(INodeDeserializer nodeDeserializer)
		{
			return WithNodeDeserializer(nodeDeserializer, delegate(IRegistrationLocationSelectionSyntax<INodeDeserializer> w)
			{
				w.OnTop();
			});
		}

		public DeserializerBuilder WithNodeDeserializer(INodeDeserializer nodeDeserializer, Action<IRegistrationLocationSelectionSyntax<INodeDeserializer>> where)
		{
			if (nodeDeserializer == null)
			{
				throw new ArgumentNullException("nodeDeserializer");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(nodeDeserializerFactories.CreateRegistrationLocationSelector(nodeDeserializer.GetType(), (Nothing _) => nodeDeserializer));
			return this;
		}

		public DeserializerBuilder WithNodeDeserializer<TNodeDeserializer>(WrapperFactory<INodeDeserializer, TNodeDeserializer> nodeDeserializerFactory, Action<ITrackingRegistrationLocationSelectionSyntax<INodeDeserializer>> where) where TNodeDeserializer : INodeDeserializer
		{
			if (nodeDeserializerFactory == null)
			{
				throw new ArgumentNullException("nodeDeserializerFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(nodeDeserializerFactories.CreateTrackingRegistrationLocationSelector(typeof(TNodeDeserializer), (INodeDeserializer wrapped, Nothing _) => nodeDeserializerFactory(wrapped)));
			return this;
		}

		public DeserializerBuilder WithoutNodeDeserializer<TNodeDeserializer>() where TNodeDeserializer : INodeDeserializer
		{
			return WithoutNodeDeserializer(typeof(TNodeDeserializer));
		}

		public DeserializerBuilder WithoutNodeDeserializer(Type nodeDeserializerType)
		{
			if (nodeDeserializerType == null)
			{
				throw new ArgumentNullException("nodeDeserializerType");
			}
			nodeDeserializerFactories.Remove(nodeDeserializerType);
			return this;
		}

		public DeserializerBuilder WithTypeDiscriminatingNodeDeserializer(Action<ITypeDiscriminatingNodeDeserializerOptions> configureTypeDiscriminatingNodeDeserializerOptions, int maxDepth = -1, int maxLength = -1)
		{
			TypeDiscriminatingNodeDeserializerOptions typeDiscriminatingNodeDeserializerOptions = new TypeDiscriminatingNodeDeserializerOptions();
			configureTypeDiscriminatingNodeDeserializerOptions(typeDiscriminatingNodeDeserializerOptions);
			TypeDiscriminatingNodeDeserializer nodeDeserializer = new TypeDiscriminatingNodeDeserializer(nodeDeserializerFactories.BuildComponentList(), typeDiscriminatingNodeDeserializerOptions.discriminators, maxDepth, maxLength);
			return WithNodeDeserializer(nodeDeserializer, delegate(IRegistrationLocationSelectionSyntax<INodeDeserializer> s)
			{
				s.Before<DictionaryNodeDeserializer>();
			});
		}

		public DeserializerBuilder WithNodeTypeResolver(INodeTypeResolver nodeTypeResolver)
		{
			return WithNodeTypeResolver(nodeTypeResolver, delegate(IRegistrationLocationSelectionSyntax<INodeTypeResolver> w)
			{
				w.OnTop();
			});
		}

		public DeserializerBuilder WithNodeTypeResolver(INodeTypeResolver nodeTypeResolver, Action<IRegistrationLocationSelectionSyntax<INodeTypeResolver>> where)
		{
			if (nodeTypeResolver == null)
			{
				throw new ArgumentNullException("nodeTypeResolver");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(nodeTypeResolverFactories.CreateRegistrationLocationSelector(nodeTypeResolver.GetType(), (Nothing _) => nodeTypeResolver));
			return this;
		}

		public DeserializerBuilder WithNodeTypeResolver<TNodeTypeResolver>(WrapperFactory<INodeTypeResolver, TNodeTypeResolver> nodeTypeResolverFactory, Action<ITrackingRegistrationLocationSelectionSyntax<INodeTypeResolver>> where) where TNodeTypeResolver : INodeTypeResolver
		{
			if (nodeTypeResolverFactory == null)
			{
				throw new ArgumentNullException("nodeTypeResolverFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(nodeTypeResolverFactories.CreateTrackingRegistrationLocationSelector(typeof(TNodeTypeResolver), (INodeTypeResolver wrapped, Nothing _) => nodeTypeResolverFactory(wrapped)));
			return this;
		}

		public DeserializerBuilder WithCaseInsensitivePropertyMatching()
		{
			caseInsensitivePropertyMatching = true;
			return this;
		}

		public DeserializerBuilder WithEnforceNullability()
		{
			enforceNullability = true;
			return this;
		}

		public DeserializerBuilder WithEnforceRequiredMembers()
		{
			enforceRequiredProperties = true;
			return this;
		}

		public DeserializerBuilder WithoutNodeTypeResolver<TNodeTypeResolver>() where TNodeTypeResolver : INodeTypeResolver
		{
			return WithoutNodeTypeResolver(typeof(TNodeTypeResolver));
		}

		public DeserializerBuilder WithoutNodeTypeResolver(Type nodeTypeResolverType)
		{
			if (nodeTypeResolverType == null)
			{
				throw new ArgumentNullException("nodeTypeResolverType");
			}
			nodeTypeResolverFactories.Remove(nodeTypeResolverType);
			return this;
		}

		public override DeserializerBuilder WithTagMapping(TagName tag, Type type)
		{
			if (tag.IsEmpty)
			{
				throw new ArgumentException("Non-specific tags cannot be maped");
			}
			if (type == null)
			{
				throw new ArgumentNullException("type");
			}
			if (tagMappings.TryGetValue(tag, out Type value))
			{
				throw new ArgumentException($"Type already has a registered type '{value.FullName}' for tag '{tag}'", "tag");
			}
			tagMappings.Add(tag, type);
			return this;
		}

		public DeserializerBuilder WithTypeMapping<TInterface, TConcrete>() where TConcrete : TInterface
		{
			Type typeFromHandle = typeof(TInterface);
			Type typeFromHandle2 = typeof(TConcrete);
			if (!typeFromHandle.IsAssignableFrom(typeFromHandle2))
			{
				throw new InvalidOperationException("The type '" + typeFromHandle2.Name + "' does not implement interface '" + typeFromHandle.Name + "'.");
			}
			if (!DictionaryExtensions.TryAdd(typeMappings, typeFromHandle, typeFromHandle2))
			{
				typeMappings[typeFromHandle] = typeFromHandle2;
			}
			return this;
		}

		public DeserializerBuilder WithoutTagMapping(TagName tag)
		{
			if (tag.IsEmpty)
			{
				throw new ArgumentException("Non-specific tags cannot be maped");
			}
			if (!tagMappings.Remove(tag))
			{
				throw new KeyNotFoundException($"Tag '{tag}' is not registered");
			}
			return this;
		}

		public DeserializerBuilder IgnoreUnmatchedProperties()
		{
			ignoreUnmatched = true;
			return this;
		}

		public DeserializerBuilder WithDuplicateKeyChecking()
		{
			duplicateKeyChecking = true;
			return this;
		}

		public IDeserializer Build()
		{
			if (FsharpHelper.Instance == null)
			{
				FsharpHelper.Instance = new DefaultFsharpHelper();
			}
			return Deserializer.FromValueDeserializer(BuildValueDeserializer());
		}

		public IValueDeserializer BuildValueDeserializer()
		{
			return new AliasValueDeserializer(new NodeValueDeserializer(nodeDeserializerFactories.BuildComponentList(), nodeTypeResolverFactories.BuildComponentList(), typeConverter, enumNamingConvention, BuildTypeInspector()));
		}
	}
	internal sealed class EmissionPhaseObjectGraphVisitorArgs
	{
		private readonly IEnumerable<IObjectGraphVisitor<Nothing>> preProcessingPhaseVisitors;

		public IObjectGraphVisitor<IEmitter> InnerVisitor { get; private set; }

		public IEventEmitter EventEmitter { get; private set; }

		public ObjectSerializer NestedObjectSerializer { get; private set; }

		public IEnumerable<IYamlTypeConverter> TypeConverters { get; private set; }

		public EmissionPhaseObjectGraphVisitorArgs(IObjectGraphVisitor<IEmitter> innerVisitor, IEventEmitter eventEmitter, IEnumerable<IObjectGraphVisitor<Nothing>> preProcessingPhaseVisitors, IEnumerable<IYamlTypeConverter> typeConverters, ObjectSerializer nestedObjectSerializer)
		{
			InnerVisitor = innerVisitor ?? throw new ArgumentNullException("innerVisitor");
			EventEmitter = eventEmitter ?? throw new ArgumentNullException("eventEmitter");
			this.preProcessingPhaseVisitors = preProcessingPhaseVisitors ?? throw new ArgumentNullException("preProcessingPhaseVisitors");
			TypeConverters = typeConverters ?? throw new ArgumentNullException("typeConverters");
			NestedObjectSerializer = nestedObjectSerializer ?? throw new ArgumentNullException("nestedObjectSerializer");
		}

		public T GetPreProcessingPhaseObjectGraphVisitor<T>() where T : IObjectGraphVisitor<Nothing>
		{
			return preProcessingPhaseVisitors.OfType<T>().Single();
		}
	}
	internal abstract class EventInfo
	{
		public IObjectDescriptor Source { get; }

		protected EventInfo(IObjectDescriptor source)
		{
			Source = source ?? throw new ArgumentNullException("source");
		}
	}
	internal class AliasEventInfo : EventInfo
	{
		public AnchorName Alias { get; }

		public bool NeedsExpansion { get; set; }

		public AliasEventInfo(IObjectDescriptor source, AnchorName alias)
			: base(source)
		{
			if (alias.IsEmpty)
			{
				throw new ArgumentNullException("alias");
			}
			Alias = alias;
		}
	}
	internal class ObjectEventInfo : EventInfo
	{
		public AnchorName Anchor { get; set; }

		public TagName Tag { get; set; }

		protected ObjectEventInfo(IObjectDescriptor source)
			: base(source)
		{
		}
	}
	internal sealed class ScalarEventInfo : ObjectEventInfo
	{
		public string RenderedValue { get; set; }

		public ScalarStyle Style { get; set; }

		public bool IsPlainImplicit { get; set; }

		public bool IsQuotedImplicit { get; set; }

		public ScalarEventInfo(IObjectDescriptor source)
			: base(source)
		{
			Style = source.ScalarStyle;
			RenderedValue = string.Empty;
		}
	}
	internal sealed class MappingStartEventInfo : ObjectEventInfo
	{
		public bool IsImplicit { get; set; }

		public MappingStyle Style { get; set; }

		public MappingStartEventInfo(IObjectDescriptor source)
			: base(source)
		{
		}
	}
	internal sealed class MappingEndEventInfo : EventInfo
	{
		public MappingEndEventInfo(IObjectDescriptor source)
			: base(source)
		{
		}
	}
	internal sealed class SequenceStartEventInfo : ObjectEventInfo
	{
		public bool IsImplicit { get; set; }

		public SequenceStyle Style { get; set; }

		public SequenceStartEventInfo(IObjectDescriptor source)
			: base(source)
		{
		}
	}
	internal sealed class SequenceEndEventInfo : EventInfo
	{
		public SequenceEndEventInfo(IObjectDescriptor source)
			: base(source)
		{
		}
	}
	internal interface IAliasProvider
	{
		AnchorName GetAlias(object target);
	}
	internal interface IDeserializer
	{
		T Deserialize<T>(string input);

		T Deserialize<T>(TextReader input);

		T Deserialize<T>(IParser parser);

		object? Deserialize(string input);

		object? Deserialize(TextReader input);

		object? Deserialize(IParser parser);

		object? Deserialize(string input, Type type);

		object? Deserialize(TextReader input, Type type);

		object? Deserialize(IParser parser, Type type);
	}
	internal interface IEventEmitter
	{
		void Emit(AliasEventInfo eventInfo, IEmitter emitter);

		void Emit(ScalarEventInfo eventInfo, IEmitter emitter);

		void Emit(MappingStartEventInfo eventInfo, IEmitter emitter);

		void Emit(MappingEndEventInfo eventInfo, IEmitter emitter);

		void Emit(SequenceStartEventInfo eventInfo, IEmitter emitter);

		void Emit(SequenceEndEventInfo eventInfo, IEmitter emitter);
	}
	internal interface INamingConvention
	{
		string Apply(string value);

		string Reverse(string value);
	}
	internal interface INodeDeserializer
	{
		bool Deserialize(IParser reader, Type expectedType, Func<IParser, Type, object?> nestedObjectDeserializer, out object? value, ObjectDeserializer rootDeserializer);
	}
	internal interface INodeTypeResolver
	{
		bool Resolve(NodeEvent? nodeEvent, ref Type currentType);
	}
	internal interface IObjectAccessor
	{
		void Set(string name, object target, object value);

		object? Read(string name, object target);
	}
	internal interface IObjectDescriptor
	{
		object? Value { get; }

		Type Type { get; }

		Type StaticType { get; }

		ScalarStyle ScalarStyle { get; }
	}
	internal static class ObjectDescriptorExtensions
	{
		public static object NonNullValue(this IObjectDescriptor objectDescriptor)
		{
			return objectDescriptor.Value ?? throw new InvalidOperationException("Attempted to use a IObjectDescriptor of type '" + objectDescriptor.Type.FullName + "' whose Value is null at a point whete it is invalid to do so. This may indicate a bug in YamlDotNet.");
		}
	}
	internal interface IObjectFactory
	{
		object Create(Type type);

		object? CreatePrimitive(Type type);

		bool GetDictionary(IObjectDescriptor descriptor, out IDictionary? dictionary, out Type[]? genericArguments);

		Type GetValueType(Type type);

		void ExecuteOnDeserializing(object value);

		void ExecuteOnDeserialized(object value);

		void ExecuteOnSerializing(object value);

		void ExecuteOnSerialized(object value);
	}
	internal interface IObjectGraphTraversalStrategy
	{
		void Traverse<TContext>(IObjectDescriptor graph, IObjectGraphVisitor<TContext> visitor, TContext context, ObjectSerializer serializer);
	}
	internal interface IObjectGraphVisitor<TContext>
	{
		bool Enter(IPropertyDescriptor? propertyDescriptor, IObjectDescriptor value, TContext context, ObjectSerializer serializer);

		bool EnterMapping(IObjectDescriptor key, IObjectDescriptor value, TContext context, ObjectSerializer serializer);

		bool EnterMapping(IPropertyDescriptor key, IObjectDescriptor value, TContext context, ObjectSerializer serializer);

		void VisitScalar(IObjectDescriptor scalar, TContext context, ObjectSerializer serializer);

		void VisitMappingStart(IObjectDescriptor mapping, Type keyType, Type valueType, TContext context, ObjectSerializer serializer);

		void VisitMappingEnd(IObjectDescriptor mapping, TContext context, ObjectSerializer serializer);

		void VisitSequenceStart(IObjectDescriptor sequence, Type elementType, TContext context, ObjectSerializer serializer);

		void VisitSequenceEnd(IObjectDescriptor sequence, TContext context, ObjectSerializer serializer);
	}
	internal interface IPropertyDescriptor
	{
		string Name { get; }

		bool AllowNulls { get; }

		bool CanWrite { get; }

		Type Type { get; }

		Type? TypeOverride { get; set; }

		int Order { get; set; }

		ScalarStyle ScalarStyle { get; set; }

		bool Required { get; }

		Type? ConverterType { get; }

		T? GetCustomAttribute<T>() where T : Attribute;

		IObjectDescriptor Read(object target);

		void Write(object target, object? value);
	}
	internal interface IRegistrationLocationSelectionSyntax<TBaseRegistrationType>
	{
		void InsteadOf<TRegistrationType>() where TRegistrationType : TBaseRegistrationType;

		void Before<TRegistrationType>() where TRegistrationType : TBaseRegistrationType;

		void After<TRegistrationType>() where TRegistrationType : TBaseRegistrationType;

		void OnTop();

		void OnBottom();
	}
	internal interface ITrackingRegistrationLocationSelectionSyntax<TBaseRegistrationType>
	{
		void InsteadOf<TRegistrationType>() where TRegistrationType : TBaseRegistrationType;
	}
	internal interface ISerializer
	{
		string Serialize(object? graph);

		string Serialize(object? graph, Type type);

		void Serialize(TextWriter writer, object? graph);

		void Serialize(TextWriter writer, object? graph, Type type);

		void Serialize(IEmitter emitter, object? graph);

		void Serialize(IEmitter emitter, object? graph, Type type);
	}
	internal interface ITypeInspector
	{
		IEnumerable<IPropertyDescriptor> GetProperties(Type type, object? container);

		IPropertyDescriptor GetProperty(Type type, object? container, string name, [MaybeNullWhen(true)] bool ignoreUnmatched, bool caseInsensitivePropertyMatching);

		string GetEnumName(Type enumType, string name);

		string GetEnumValue(object enumValue);
	}
	internal interface ITypeResolver
	{
		Type Resolve(Type staticType, object? actualValue);
	}
	internal interface IValueDeserializer
	{
		object? DeserializeValue(IParser parser, Type expectedType, SerializerState state, IValueDeserializer nestedObjectDeserializer);
	}
	internal interface IValuePromise
	{
		event Action<object?> ValueAvailable;
	}
	internal interface IValueSerializer
	{
		void SerializeValue(IEmitter emitter, object? value, Type? type);
	}
	internal interface IYamlConvertible
	{
		void Read(IParser parser, Type expectedType, ObjectDeserializer nestedObjectDeserializer);

		void Write(IEmitter emitter, ObjectSerializer nestedObjectSerializer);
	}
	internal delegate object? ObjectDeserializer(Type type);
	internal delegate void ObjectSerializer(object? value, Type? type = null);
	[Obsolete("Please use IYamlConvertible instead")]
	internal interface IYamlSerializable
	{
		void ReadYaml(IParser parser);

		void WriteYaml(IEmitter emitter);
	}
	internal interface IYamlTypeConverter
	{
		bool Accepts(Type type);

		object? ReadYaml(IParser parser, Type type, ObjectDeserializer rootDeserializer);

		void WriteYaml(IEmitter emitter, object? value, Type type, ObjectSerializer serializer);
	}
	internal sealed class LazyComponentRegistrationList<TArgument, TComponent> : IEnumerable<Func<TArgument, TComponent>>, IEnumerable
	{
		public sealed class LazyComponentRegistration
		{
			public readonly Type ComponentType;

			public readonly Func<TArgument, TComponent> Factory;

			public LazyComponentRegistration(Type componentType, Func<TArgument, TComponent> factory)
			{
				ComponentType = componentType;
				Factory = factory;
			}
		}

		public sealed class TrackingLazyComponentRegistration
		{
			public readonly Type ComponentType;

			public readonly Func<TComponent, TArgument, TComponent> Factory;

			public TrackingLazyComponentRegistration(Type componentType, Func<TComponent, TArgument, TComponent> factory)
			{
				ComponentType = componentType;
				Factory = factory;
			}
		}

		private class RegistrationLocationSelector : IRegistrationLocationSelectionSyntax<TComponent>
		{
			private readonly LazyComponentRegistrationList<TArgument, TComponent> registrations;

			private readonly LazyComponentRegistration newRegistration;

			public RegistrationLocationSelector(LazyComponentRegistrationList<TArgument, TComponent> registrations, LazyComponentRegistration newRegistration)
			{
				this.registrations = registrations;
				this.newRegistration = newRegistration;
			}

			void IRegistrationLocationSelectionSyntax<TComponent>.InsteadOf<TRegistrationType>()
			{
				if (newRegistration.ComponentType != typeof(TRegistrationType))
				{
					registrations.EnsureNoDuplicateRegistrationType(newRegistration.ComponentType);
				}
				int index = registrations.EnsureRegistrationExists<TRegistrationType>();
				registrations.entries[index] = newRegistration;
			}

			void IRegistrationLocationSelectionSyntax<TComponent>.After<TRegistrationType>()
			{
				registrations.EnsureNoDuplicateRegistrationType(newRegistration.ComponentType);
				int num = registrations.EnsureRegistrationExists<TRegistrationType>();
				registrations.entries.Insert(num + 1, newRegistration);
			}

			void IRegistrationLocationSelectionSyntax<TComponent>.Before<TRegistrationType>()
			{
				registrations.EnsureNoDuplicateRegistrationType(newRegistration.ComponentType);
				int index = registrations.EnsureRegistrationExists<TRegistrationType>();
				registrations.entries.Insert(index, newRegistration);
			}

			void IRegistrationLocationSelectionSyntax<TComponent>.OnBottom()
			{
				registrations.EnsureNoDuplicateRegistrationType(newRegistration.ComponentType);
				registrations.entries.Add(newRegistration);
			}

			void IRegistrationLocationSelectionSyntax<TComponent>.OnTop()
			{
				registrations.EnsureNoDuplicateRegistrationType(newRegistration.ComponentType);
				registrations.entries.Insert(0, newRegistration);
			}
		}

		private class TrackingRegistrationLocationSelector : ITrackingRegistrationLocationSelectionSyntax<TComponent>
		{
			private readonly LazyComponentRegistrationList<TArgument, TComponent> registrations;

			private readonly TrackingLazyComponentRegistration newRegistration;

			public TrackingRegistrationLocationSelector(LazyComponentRegistrationList<TArgument, TComponent> registrations, TrackingLazyComponentRegistration newRegistration)
			{
				this.registrations = registrations;
				this.newRegistration = newRegistration;
			}

			void ITrackingRegistrationLocationSelectionSyntax<TComponent>.InsteadOf<TRegistrationType>()
			{
				if (newRegistration.ComponentType != typeof(TRegistrationType))
				{
					registrations.EnsureNoDuplicateRegistrationType(newRegistration.ComponentType);
				}
				int index = registrations.EnsureRegistrationExists<TRegistrationType>();
				Func<TArgument, TComponent> innerComponentFactory = registrations.entries[index].Factory;
				registrations.entries[index] = new LazyComponentRegistration(newRegistration.ComponentType, (TArgument arg) => newRegistration.Factory(innerComponentFactory(arg), arg));
			}
		}

		private readonly List<LazyComponentRegistration> entries = new List<LazyComponentRegistration>();

		public int Count => entries.Count;

		public IEnumerable<Func<TArgument, TComponent>> InReverseOrder
		{
			get
			{
				int i = entries.Count - 1;
				while (i >= 0)
				{
					yield return entries[i].Factory;
					int num = i - 1;
					i = num;
				}
			}
		}

		public LazyComponentRegistrationList<TArgument, TComponent> Clone()
		{
			LazyComponentRegistrationList<TArgument, TComponent> lazyComponentRegistrationList = new LazyComponentRegistrationList<TArgument, TComponent>();
			foreach (LazyComponentRegistration entry in entries)
			{
				lazyComponentRegistrationList.entries.Add(entry);
			}
			return lazyComponentRegistrationList;
		}

		public void Clear()
		{
			entries.Clear();
		}

		public void Add(Type componentType, Func<TArgument, TComponent> factory)
		{
			entries.Add(new LazyComponentRegistration(componentType, factory));
		}

		public void Remove(Type componentType)
		{
			for (int i = 0; i < entries.Count; i++)
			{
				if (entries[i].ComponentType == componentType)
				{
					entries.RemoveAt(i);
					return;
				}
			}
			throw new KeyNotFoundException("A component registration of type '" + componentType.FullName + "' was not found.");
		}

		public IRegistrationLocationSelectionSyntax<TComponent> CreateRegistrationLocationSelector(Type componentType, Func<TArgument, TComponent> factory)
		{
			return new RegistrationLocationSelector(this, new LazyComponentRegistration(componentType, factory));
		}

		public ITrackingRegistrationLocationSelectionSyntax<TComponent> CreateTrackingRegistrationLocationSelector(Type componentType, Func<TComponent, TArgument, TComponent> factory)
		{
			return new TrackingRegistrationLocationSelector(this, new TrackingLazyComponentRegistration(componentType, factory));
		}

		public IEnumerator<Func<TArgument, TComponent>> GetEnumerator()
		{
			return entries.Select((LazyComponentRegistration e) => e.Factory).GetEnumerator();
		}

		IEnumerator IEnumerable.GetEnumerator()
		{
			return GetEnumerator();
		}

		private int IndexOfRegistration(Type registrationType)
		{
			for (int i = 0; i < entries.Count; i++)
			{
				if (registrationType == entries[i].ComponentType)
				{
					return i;
				}
			}
			return -1;
		}

		private void EnsureNoDuplicateRegistrationType(Type componentType)
		{
			if (IndexOfRegistration(componentType) != -1)
			{
				throw new InvalidOperationException("A component of type '" + componentType.FullName + "' has already been registered.");
			}
		}

		private int EnsureRegistrationExists<TRegistrationType>()
		{
			int num = IndexOfRegistration(typeof(TRegistrationType));
			if (num == -1)
			{
				throw new InvalidOperationException("A component of type '" + typeof(TRegistrationType).FullName + "' has not been registered.");
			}
			return num;
		}
	}
	internal static class LazyComponentRegistrationListExtensions
	{
		public static TComponent BuildComponentChain<TComponent>(this LazyComponentRegistrationList<TComponent, TComponent> registrations, TComponent innerComponent)
		{
			return registrations.InReverseOrder.Aggregate(innerComponent, (TComponent inner, Func<TComponent, TComponent> factory) => factory(inner));
		}

		public static TComponent BuildComponentChain<TArgument, TComponent>(this LazyComponentRegistrationList<TArgument, TComponent> registrations, TComponent innerComponent, Func<TComponent, TArgument> argumentBuilder)
		{
			return registrations.InReverseOrder.Aggregate(innerComponent, (TComponent inner, Func<TArgument, TComponent> factory) => factory(argumentBuilder(inner)));
		}

		public static List<TComponent> BuildComponentList<TComponent>(this LazyComponentRegistrationList<Nothing, TComponent> registrations)
		{
			return registrations.Select((Func<Nothing, TComponent> factory) => factory(default(Nothing))).ToList();
		}

		public static List<TComponent> BuildComponentList<TArgument, TComponent>(this LazyComponentRegistrationList<TArgument, TComponent> registrations, TArgument argument)
		{
			return registrations.Select((Func<TArgument, TComponent> factory) => factory(argument)).ToList();
		}
	}
	[StructLayout(LayoutKind.Sequential, Size = 1)]
	internal struct Nothing
	{
	}
	internal sealed class ObjectDescriptor : IObjectDescriptor
	{
		public object? Value { get; private set; }

		public Type Type { get; private set; }

		public Type StaticType { get; private set; }

		public ScalarStyle ScalarStyle { get; private set; }

		public ObjectDescriptor(object? value, Type type, Type staticType)
			: this(value, type, staticType, ScalarStyle.Any)
		{
		}

		public ObjectDescriptor(object? value, Type type, Type staticType, ScalarStyle scalarStyle)
		{
			Value = value;
			Type = type ?? throw new ArgumentNullException("type");
			StaticType = staticType ?? throw new ArgumentNullException("staticType");
			ScalarStyle = scalarStyle;
		}
	}
	internal delegate IObjectGraphTraversalStrategy ObjectGraphTraversalStrategyFactory(ITypeInspector typeInspector, ITypeResolver typeResolver, IEnumerable<IYamlTypeConverter> typeConverters, int maximumRecursion);
	internal sealed class PropertyDescriptor : IPropertyDescriptor
	{
		private readonly IPropertyDescriptor baseDescriptor;

		public bool AllowNulls => baseDescriptor.AllowNulls;

		public string Name { get; set; }

		public bool Required => baseDescriptor.Required;

		public Type Type => baseDescriptor.Type;

		public Type? TypeOverride
		{
			get
			{
				return baseDescriptor.TypeOverride;
			}
			set
			{
				baseDescriptor.TypeOverride = value;
			}
		}

		public Type? ConverterType => baseDescriptor.ConverterType;

		public int Order { get; set; }

		public ScalarStyle ScalarStyle
		{
			get
			{
				return baseDescriptor.ScalarStyle;
			}
			set
			{
				baseDescriptor.ScalarStyle = value;
			}
		}

		public bool CanWrite => baseDescriptor.CanWrite;

		public PropertyDescriptor(IPropertyDescriptor baseDescriptor)
		{
			this.baseDescriptor = baseDescriptor;
			Name = baseDescriptor.Name;
		}

		public void Write(object target, object? value)
		{
			baseDescriptor.Write(target, value);
		}

		public T? GetCustomAttribute<T>() where T : Attribute
		{
			return baseDescriptor.GetCustomAttribute<T>();
		}

		public IObjectDescriptor Read(object target)
		{
			return baseDescriptor.Read(target);
		}
	}
	internal sealed class Serializer : ISerializer
	{
		private readonly IValueSerializer valueSerializer;

		private readonly EmitterSettings emitterSettings;

		public Serializer()
			: this(new SerializerBuilder().BuildValueSerializer(), EmitterSettings.Default)
		{
		}

		private Serializer(IValueSerializer valueSerializer, EmitterSettings emitterSettings)
		{
			this.valueSerializer = valueSerializer ?? throw new ArgumentNullException("valueSerializer");
			this.emitterSettings = emitterSettings ?? throw new ArgumentNullException("emitterSettings");
		}

		public static Serializer FromValueSerializer(IValueSerializer valueSerializer, EmitterSettings emitterSettings)
		{
			return new Serializer(valueSerializer, emitterSettings);
		}

		public string Serialize(object? graph)
		{
			using StringWriter stringWriter = new StringWriter();
			Serialize(stringWriter, graph);
			return stringWriter.ToString();
		}

		public string Serialize(object? graph, Type type)
		{
			using StringWriter stringWriter = new StringWriter();
			Serialize(stringWriter, graph, type);
			return stringWriter.ToString();
		}

		public void Serialize(TextWriter writer, object? graph)
		{
			Serialize(new Emitter(writer, emitterSettings), graph);
		}

		public void Serialize(TextWriter writer, object? graph, Type type)
		{
			Serialize(new Emitter(writer, emitterSettings), graph, type);
		}

		public void Serialize(IEmitter emitter, object? graph)
		{
			if (emitter == null)
			{
				throw new ArgumentNullException("emitter");
			}
			EmitDocument(emitter, graph, null);
		}

		public void Serialize(IEmitter emitter, object? graph, Type type)
		{
			if (emitter == null)
			{
				throw new ArgumentNullException("emitter");
			}
			if (type == null)
			{
				throw new ArgumentNullException("type");
			}
			EmitDocument(emitter, graph, type);
		}

		private void EmitDocument(IEmitter emitter, object? graph, Type? type)
		{
			emitter.Emit(new YamlDotNet.Core.Events.StreamStart());
			emitter.Emit(new YamlDotNet.Core.Events.DocumentStart());
			valueSerializer.SerializeValue(emitter, graph, type);
			emitter.Emit(new YamlDotNet.Core.Events.DocumentEnd(isImplicit: true));
			emitter.Emit(new YamlDotNet.Core.Events.StreamEnd());
		}
	}
	internal sealed class SerializerBuilder : BuilderSkeleton<SerializerBuilder>
	{
		private class ValueSerializer : IValueSerializer
		{
			private readonly IObjectGraphTraversalStrategy traversalStrategy;

			private readonly IEventEmitter eventEmitter;

			private readonly IEnumerable<IYamlTypeConverter> typeConverters;

			private readonly LazyComponentRegistrationList<IEnumerable<IYamlTypeConverter>, IObjectGraphVisitor<Nothing>> preProcessingPhaseObjectGraphVisitorFactories;

			private readonly LazyComponentRegistrationList<EmissionPhaseObjectGraphVisitorArgs, IObjectGraphVisitor<IEmitter>> emissionPhaseObjectGraphVisitorFactories;

			public ValueSerializer(IObjectGraphTraversalStrategy traversalStrategy, IEventEmitter eventEmitter, IEnumerable<IYamlTypeConverter> typeConverters, LazyComponentRegistrationList<IEnumerable<IYamlTypeConverter>, IObjectGraphVisitor<Nothing>> preProcessingPhaseObjectGraphVisitorFactories, LazyComponentRegistrationList<EmissionPhaseObjectGraphVisitorArgs, IObjectGraphVisitor<IEmitter>> emissionPhaseObjectGraphVisitorFactories)
			{
				this.traversalStrategy = traversalStrategy;
				this.eventEmitter = eventEmitter;
				this.typeConverters = typeConverters;
				this.preProcessingPhaseObjectGraphVisitorFactories = preProcessingPhaseObjectGraphVisitorFactories;
				this.emissionPhaseObjectGraphVisitorFactories = emissionPhaseObjectGraphVisitorFactories;
			}

			public void SerializeValue(IEmitter emitter, object? value, Type? type)
			{
				Type type2 = type ?? ((value != null) ? value.GetType() : typeof(object));
				Type staticType = type ?? typeof(object);
				ObjectDescriptor graph = new ObjectDescriptor(value, type2, staticType);
				List<IObjectGraphVisitor<Nothing>> preProcessingPhaseObjectGraphVisitors = preProcessingPhaseObjectGraphVisitorFactories.BuildComponentList(typeConverters);
				IObjectGraphVisitor<IEmitter> visitor = emissionPhaseObjectGraphVisitorFactories.BuildComponentChain<EmissionPhaseObjectGraphVisitorArgs, IObjectGraphVisitor<IEmitter>>(new EmittingObjectGraphVisitor(eventEmitter), (IObjectGraphVisitor<IEmitter> inner) => new EmissionPhaseObjectGraphVisitorArgs(inner, eventEmitter, preProcessingPhaseObjectGraphVisitors, typeConverters, NestedObjectSerializer));
				foreach (IObjectGraphVisitor<Nothing> item in preProcessingPhaseObjectGraphVisitors)
				{
					traversalStrategy.Traverse(graph, item, default(Nothing), NestedObjectSerializer);
				}
				traversalStrategy.Traverse(graph, visitor, emitter, NestedObjectSerializer);
				void NestedObjectSerializer(object? v, Type? t)
				{
					SerializeValue(emitter, v, t);
				}
			}
		}

		private ObjectGraphTraversalStrategyFactory objectGraphTraversalStrategyFactory;

		private readonly LazyComponentRegistrationList<IEnumerable<IYamlTypeConverter>, IObjectGraphVisitor<Nothing>> preProcessingPhaseObjectGraphVisitorFactories;

		private readonly LazyComponentRegistrationList<EmissionPhaseObjectGraphVisitorArgs, IObjectGraphVisitor<IEmitter>> emissionPhaseObjectGraphVisitorFactories;

		private readonly LazyComponentRegistrationList<IEventEmitter, IEventEmitter> eventEmitterFactories;

		private readonly Dictionary<Type, TagName> tagMappings = new Dictionary<Type, TagName>();

		private readonly IObjectFactory objectFactory;

		private int maximumRecursion = 50;

		private EmitterSettings emitterSettings = EmitterSettings.Default;

		private DefaultValuesHandling defaultValuesHandlingConfiguration;

		private ScalarStyle defaultScalarStyle;

		private bool quoteNecessaryStrings;

		private bool quoteYaml1_1Strings;

		protected override SerializerBuilder Self => this;

		public SerializerBuilder()
			: base((ITypeResolver)new DynamicTypeResolver())
		{
			typeInspectorFactories.Add(typeof(CachedTypeInspector), (ITypeInspector inner) => new CachedTypeInspector(inner));
			typeInspectorFactories.Add(typeof(NamingConventionTypeInspector), (ITypeInspector inner) => (!(namingConvention is NullNamingConvention)) ? new NamingConventionTypeInspector(inner, namingConvention) : inner);
			typeInspectorFactories.Add(typeof(YamlAttributesTypeInspector), (ITypeInspector inner) => new YamlAttributesTypeInspector(inner));
			typeInspectorFactories.Add(typeof(YamlAttributeOverridesInspector), (ITypeInspector inner) => (overrides == null) ? inner : new YamlAttributeOverridesInspector(inner, overrides.Clone()));
			preProcessingPhaseObjectGraphVisitorFactories = new LazyComponentRegistrationList<IEnumerable<IYamlTypeConverter>, IObjectGraphVisitor<Nothing>> { 
			{
				typeof(AnchorAssigner),
				(IEnumerable<IYamlTypeConverter> typeConverters) => new AnchorAssigner(typeConverters)
			} };
			emissionPhaseObjectGraphVisitorFactories = new LazyComponentRegistrationList<EmissionPhaseObjectGraphVisitorArgs, IObjectGraphVisitor<IEmitter>>
			{
				{
					typeof(CustomSerializationObjectGraphVisitor),
					(EmissionPhaseObjectGraphVisitorArgs args) => new CustomSerializationObjectGraphVisitor(args.InnerVisitor, args.TypeConverters, args.NestedObjectSerializer)
				},
				{
					typeof(AnchorAssigningObjectGraphVisitor),
					(EmissionPhaseObjectGraphVisitorArgs args) => new AnchorAssigningObjectGraphVisitor(args.InnerVisitor, args.EventEmitter, args.GetPreProcessingPhaseObjectGraphVisitor<AnchorAssigner>())
				},
				{
					typeof(DefaultValuesObjectGraphVisitor),
					(EmissionPhaseObjectGraphVisitorArgs args) => new DefaultValuesObjectGraphVisitor(defaultValuesHandlingConfiguration, args.InnerVisitor, new DefaultObjectFactory())
				},
				{
					typeof(CommentsObjectGraphVisitor),
					(EmissionPhaseObjectGraphVisitorArgs args) => new CommentsObjectGraphVisitor(args.InnerVisitor)
				}
			};
			eventEmitterFactories = new LazyComponentRegistrationList<IEventEmitter, IEventEmitter> { 
			{
				typeof(TypeAssigningEventEmitter),
				(IEventEmitter inner) => new TypeAssigningEventEmitter(inner, tagMappings, quoteNecessaryStrings, quoteYaml1_1Strings, defaultScalarStyle, yamlFormatter, enumNamingConvention, BuildTypeInspector())
			} };
			objectFactory = new DefaultObjectFactory();
			objectGraphTraversalStrategyFactory = (ITypeInspector typeInspector, ITypeResolver typeResolver, IEnumerable<IYamlTypeConverter> typeConverters, int maximumRecursion) => new FullObjectGraphTraversalStrategy(typeInspector, typeResolver, maximumRecursion, namingConvention, objectFactory);
		}

		public SerializerBuilder WithQuotingNecessaryStrings(bool quoteYaml1_1Strings = false)
		{
			quoteNecessaryStrings = true;
			this.quoteYaml1_1Strings = quoteYaml1_1Strings;
			return this;
		}

		public SerializerBuilder WithDefaultScalarStyle(ScalarStyle style)
		{
			defaultScalarStyle = style;
			return this;
		}

		public SerializerBuilder WithMaximumRecursion(int maximumRecursion)
		{
			if (maximumRecursion <= 0)
			{
				throw new ArgumentOutOfRangeException("maximumRecursion", $"The maximum recursion specified ({maximumRecursion}) is invalid. It should be a positive integer.");
			}
			this.maximumRecursion = maximumRecursion;
			return this;
		}

		public SerializerBuilder WithEventEmitter<TEventEmitter>(Func<IEventEmitter, TEventEmitter> eventEmitterFactory) where TEventEmitter : IEventEmitter
		{
			return WithEventEmitter(eventEmitterFactory, delegate(IRegistrationLocationSelectionSyntax<IEventEmitter> w)
			{
				w.OnTop();
			});
		}

		public SerializerBuilder WithEventEmitter<TEventEmitter>(Func<IEventEmitter, ITypeInspector, TEventEmitter> eventEmitterFactory) where TEventEmitter : IEventEmitter
		{
			return WithEventEmitter(eventEmitterFactory, delegate(IRegistrationLocationSelectionSyntax<IEventEmitter> w)
			{
				w.OnTop();
			});
		}

		public SerializerBuilder WithEventEmitter<TEventEmitter>(Func<IEventEmitter, TEventEmitter> eventEmitterFactory, Action<IRegistrationLocationSelectionSyntax<IEventEmitter>> where) where TEventEmitter : IEventEmitter
		{
			return WithEventEmitter((IEventEmitter e, ITypeInspector _) => eventEmitterFactory(e), where);
		}

		public SerializerBuilder WithEventEmitter<TEventEmitter>(Func<IEventEmitter, ITypeInspector, TEventEmitter> eventEmitterFactory, Action<IRegistrationLocationSelectionSyntax<IEventEmitter>> where) where TEventEmitter : IEventEmitter
		{
			if (eventEmitterFactory == null)
			{
				throw new ArgumentNullException("eventEmitterFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(eventEmitterFactories.CreateRegistrationLocationSelector(typeof(TEventEmitter), (IEventEmitter inner) => eventEmitterFactory(inner, BuildTypeInspector())));
			return Self;
		}

		public SerializerBuilder WithEventEmitter<TEventEmitter>(WrapperFactory<IEventEmitter, IEventEmitter, TEventEmitter> eventEmitterFactory, Action<ITrackingRegistrationLocationSelectionSyntax<IEventEmitter>> where) where TEventEmitter : IEventEmitter
		{
			if (eventEmitterFactory == null)
			{
				throw new ArgumentNullException("eventEmitterFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(eventEmitterFactories.CreateTrackingRegistrationLocationSelector(typeof(TEventEmitter), (IEventEmitter wrapped, IEventEmitter inner) => eventEmitterFactory(wrapped, inner)));
			return Self;
		}

		public SerializerBuilder WithoutEventEmitter<TEventEmitter>() where TEventEmitter : IEventEmitter
		{
			return WithoutEventEmitter(typeof(TEventEmitter));
		}

		public SerializerBuilder WithoutEventEmitter(Type eventEmitterType)
		{
			if (eventEmitterType == null)
			{
				throw new ArgumentNullException("eventEmitterType");
			}
			eventEmitterFactories.Remove(eventEmitterType);
			return this;
		}

		public override SerializerBuilder WithTagMapping(TagName tag, Type type)
		{
			if (tag.IsEmpty)
			{
				throw new ArgumentException("Non-specific tags cannot be maped");
			}
			if (type == null)
			{
				throw new ArgumentNullException("type");
			}
			if (tagMappings.TryGetValue(type, out var value))
			{
				throw new ArgumentException($"Type already has a registered tag '{value}' for type '{type.FullName}'", "type");
			}
			tagMappings.Add(type, tag);
			return this;
		}

		public SerializerBuilder WithoutTagMapping(Type type)
		{
			if (type == null)
			{
				throw new ArgumentNullException("type");
			}
			if (!tagMappings.Remove(type))
			{
				throw new KeyNotFoundException("Tag for type '" + type.FullName + "' is not registered");
			}
			return this;
		}

		public SerializerBuilder EnsureRoundtrip()
		{
			objectGraphTraversalStrategyFactory = (ITypeInspector typeInspector, ITypeResolver typeResolver, IEnumerable<IYamlTypeConverter> typeConverters, int maximumRecursion) => new RoundtripObjectGraphTraversalStrategy(typeConverters, typeInspector, typeResolver, maximumRecursion, namingConvention, settings, objectFactory);
			WithEventEmitter((IEventEmitter inner) => new TypeAssigningEventEmitter(inner, tagMappings, quoteNecessaryStrings, quoteYaml1_1Strings, defaultScalarStyle, yamlFormatter, enumNamingConvention, BuildTypeInspector()), delegate(IRegistrationLocationSelectionSyntax<IEventEmitter> loc)
			{
				loc.InsteadOf<TypeAssigningEventEmitter>();
			});
			return WithTypeInspector((ITypeInspector inner) => new ReadableAndWritablePropertiesTypeInspector(inner), delegate(IRegistrationLocationSelectionSyntax<ITypeInspector> loc)
			{
				loc.OnBottom();
			});
		}

		public SerializerBuilder DisableAliases()
		{
			preProcessingPhaseObjectGraphVisitorFactories.Remove(typeof(AnchorAssigner));
			emissionPhaseObjectGraphVisitorFactories.Remove(typeof(AnchorAssigningObjectGraphVisitor));
			return this;
		}

		[Obsolete("The default behavior is now to always emit default values, thefore calling this method has no effect. This behavior is now controlled by ConfigureDefaultValuesHandling.", true)]
		public SerializerBuilder EmitDefaults()
		{
			return ConfigureDefaultValuesHandling(DefaultValuesHandling.Preserve);
		}

		public SerializerBuilder ConfigureDefaultValuesHandling(DefaultValuesHandling configuration)
		{
			defaultValuesHandlingConfiguration = configuration;
			return this;
		}

		public SerializerBuilder JsonCompatible()
		{
			emitterSettings = emitterSettings.WithMaxSimpleKeyLength(int.MaxValue).WithoutAnchorName().WithUtf16SurrogatePairs();
			return WithTypeConverter(new YamlDotNet.Serialization.Converters.GuidConverter(jsonCompatible: true), delegate(IRegistrationLocationSelectionSyntax<IYamlTypeConverter> w)
			{
				w.InsteadOf<YamlDotNet.Serialization.Converters.GuidConverter>();
			}).WithTypeConverter(new DateTime8601Converter(ScalarStyle.DoubleQuoted)).WithEventEmitter((IEventEmitter inner) => new JsonEventEmitter(inner, yamlFormatter, enumNamingConvention, BuildTypeInspector()), delegate(IRegistrationLocationSelectionSyntax<IEventEmitter> loc)
			{
				loc.InsteadOf<TypeAssigningEventEmitter>();
			});
		}

		public SerializerBuilder WithNewLine(string newLine)
		{
			emitterSettings = emitterSettings.WithNewLine(newLine);
			return this;
		}

		public SerializerBuilder WithPreProcessingPhaseObjectGraphVisitor<TObjectGraphVisitor>(TObjectGraphVisitor objectGraphVisitor) where TObjectGraphVisitor : IObjectGraphVisitor<Nothing>
		{
			return WithPreProcessingPhaseObjectGraphVisitor(objectGraphVisitor, delegate(IRegistrationLocationSelectionSyntax<IObjectGraphVisitor<Nothing>> w)
			{
				w.OnTop();
			});
		}

		public SerializerBuilder WithPreProcessingPhaseObjectGraphVisitor<TObjectGraphVisitor>(Func<IEnumerable<IYamlTypeConverter>, TObjectGraphVisitor> objectGraphVisitorFactory) where TObjectGraphVisitor : IObjectGraphVisitor<Nothing>
		{
			return WithPreProcessingPhaseObjectGraphVisitor(objectGraphVisitorFactory, delegate(IRegistrationLocationSelectionSyntax<IObjectGraphVisitor<Nothing>> w)
			{
				w.OnTop();
			});
		}

		public SerializerBuilder WithPreProcessingPhaseObjectGraphVisitor<TObjectGraphVisitor>(TObjectGraphVisitor objectGraphVisitor, Action<IRegistrationLocationSelectionSyntax<IObjectGraphVisitor<Nothing>>> where) where TObjectGraphVisitor : IObjectGraphVisitor<Nothing>
		{
			if (objectGraphVisitor == null)
			{
				throw new ArgumentNullException("objectGraphVisitor");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(preProcessingPhaseObjectGraphVisitorFactories.CreateRegistrationLocationSelector(typeof(TObjectGraphVisitor), (IEnumerable<IYamlTypeConverter> _) => objectGraphVisitor));
			return this;
		}

		public SerializerBuilder WithPreProcessingPhaseObjectGraphVisitor<TObjectGraphVisitor>(Func<IEnumerable<IYamlTypeConverter>, TObjectGraphVisitor> objectGraphVisitorFactory, Action<IRegistrationLocationSelectionSyntax<IObjectGraphVisitor<Nothing>>> where) where TObjectGraphVisitor : IObjectGraphVisitor<Nothing>
		{
			if (objectGraphVisitorFactory == null)
			{
				throw new ArgumentNullException("objectGraphVisitorFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(preProcessingPhaseObjectGraphVisitorFactories.CreateRegistrationLocationSelector(typeof(TObjectGraphVisitor), (IEnumerable<IYamlTypeConverter> typeConverters) => objectGraphVisitorFactory(typeConverters)));
			return this;
		}

		public SerializerBuilder WithPreProcessingPhaseObjectGraphVisitor<TObjectGraphVisitor>(WrapperFactory<IObjectGraphVisitor<Nothing>, TObjectGraphVisitor> objectGraphVisitorFactory, Action<ITrackingRegistrationLocationSelectionSyntax<IObjectGraphVisitor<Nothing>>> where) where TObjectGraphVisitor : IObjectGraphVisitor<Nothing>
		{
			if (objectGraphVisitorFactory == null)
			{
				throw new ArgumentNullException("objectGraphVisitorFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(preProcessingPhaseObjectGraphVisitorFactories.CreateTrackingRegistrationLocationSelector(typeof(TObjectGraphVisitor), (IObjectGraphVisitor<Nothing> wrapped, IEnumerable<IYamlTypeConverter> _) => objectGraphVisitorFactory(wrapped)));
			return this;
		}

		public SerializerBuilder WithPreProcessingPhaseObjectGraphVisitor<TObjectGraphVisitor>(WrapperFactory<IEnumerable<IYamlTypeConverter>, IObjectGraphVisitor<Nothing>, TObjectGraphVisitor> objectGraphVisitorFactory, Action<ITrackingRegistrationLocationSelectionSyntax<IObjectGraphVisitor<Nothing>>> where) where TObjectGraphVisitor : IObjectGraphVisitor<Nothing>
		{
			if (objectGraphVisitorFactory == null)
			{
				throw new ArgumentNullException("objectGraphVisitorFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(preProcessingPhaseObjectGraphVisitorFactories.CreateTrackingRegistrationLocationSelector(typeof(TObjectGraphVisitor), (IObjectGraphVisitor<Nothing> wrapped, IEnumerable<IYamlTypeConverter> typeConverters) => objectGraphVisitorFactory(wrapped, typeConverters)));
			return this;
		}

		public SerializerBuilder WithoutPreProcessingPhaseObjectGraphVisitor<TObjectGraphVisitor>() where TObjectGraphVisitor : IObjectGraphVisitor<Nothing>
		{
			return WithoutPreProcessingPhaseObjectGraphVisitor(typeof(TObjectGraphVisitor));
		}

		public SerializerBuilder WithoutPreProcessingPhaseObjectGraphVisitor(Type objectGraphVisitorType)
		{
			if (objectGraphVisitorType == null)
			{
				throw new ArgumentNullException("objectGraphVisitorType");
			}
			preProcessingPhaseObjectGraphVisitorFactories.Remove(objectGraphVisitorType);
			return this;
		}

		public SerializerBuilder WithObjectGraphTraversalStrategyFactory(ObjectGraphTraversalStrategyFactory objectGraphTraversalStrategyFactory)
		{
			this.objectGraphTraversalStrategyFactory = objectGraphTraversalStrategyFactory;
			return this;
		}

		public SerializerBuilder WithEmissionPhaseObjectGraphVisitor<TObjectGraphVisitor>(Func<EmissionPhaseObjectGraphVisitorArgs, TObjectGraphVisitor> objectGraphVisitorFactory) where TObjectGraphVisitor : IObjectGraphVisitor<IEmitter>
		{
			return WithEmissionPhaseObjectGraphVisitor(objectGraphVisitorFactory, delegate(IRegistrationLocationSelectionSyntax<IObjectGraphVisitor<IEmitter>> w)
			{
				w.OnTop();
			});
		}

		public SerializerBuilder WithEmissionPhaseObjectGraphVisitor<TObjectGraphVisitor>(Func<EmissionPhaseObjectGraphVisitorArgs, TObjectGraphVisitor> objectGraphVisitorFactory, Action<IRegistrationLocationSelectionSyntax<IObjectGraphVisitor<IEmitter>>> where) where TObjectGraphVisitor : IObjectGraphVisitor<IEmitter>
		{
			if (objectGraphVisitorFactory == null)
			{
				throw new ArgumentNullException("objectGraphVisitorFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(emissionPhaseObjectGraphVisitorFactories.CreateRegistrationLocationSelector(typeof(TObjectGraphVisitor), (EmissionPhaseObjectGraphVisitorArgs args) => objectGraphVisitorFactory(args)));
			return this;
		}

		public SerializerBuilder WithEmissionPhaseObjectGraphVisitor<TObjectGraphVisitor>(WrapperFactory<EmissionPhaseObjectGraphVisitorArgs, IObjectGraphVisitor<IEmitter>, TObjectGraphVisitor> objectGraphVisitorFactory, Action<ITrackingRegistrationLocationSelectionSyntax<IObjectGraphVisitor<IEmitter>>> where) where TObjectGraphVisitor : IObjectGraphVisitor<IEmitter>
		{
			if (objectGraphVisitorFactory == null)
			{
				throw new ArgumentNullException("objectGraphVisitorFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(emissionPhaseObjectGraphVisitorFactories.CreateTrackingRegistrationLocationSelector(typeof(TObjectGraphVisitor), (IObjectGraphVisitor<IEmitter> wrapped, EmissionPhaseObjectGraphVisitorArgs args) => objectGraphVisitorFactory(wrapped, args)));
			return this;
		}

		public SerializerBuilder WithoutEmissionPhaseObjectGraphVisitor<TObjectGraphVisitor>() where TObjectGraphVisitor : IObjectGraphVisitor<IEmitter>
		{
			return WithoutEmissionPhaseObjectGraphVisitor(typeof(TObjectGraphVisitor));
		}

		public SerializerBuilder WithoutEmissionPhaseObjectGraphVisitor(Type objectGraphVisitorType)
		{
			if (objectGraphVisitorType == null)
			{
				throw new ArgumentNullException("objectGraphVisitorType");
			}
			emissionPhaseObjectGraphVisitorFactories.Remove(objectGraphVisitorType);
			return this;
		}

		public SerializerBuilder WithIndentedSequences()
		{
			emitterSettings = emitterSettings.WithIndentedSequences();
			return this;
		}

		public ISerializer Build()
		{
			if (FsharpHelper.Instance == null)
			{
				FsharpHelper.Instance = new DefaultFsharpHelper();
			}
			return Serializer.FromValueSerializer(BuildValueSerializer(), emitterSettings);
		}

		public IValueSerializer BuildValueSerializer()
		{
			IEnumerable<IYamlTypeConverter> typeConverters = BuildTypeConverters();
			ITypeInspector typeInspector = BuildTypeInspector();
			IObjectGraphTraversalStrategy traversalStrategy = objectGraphTraversalStrategyFactory(typeInspector, typeResolver, typeConverters, maximumRecursion);
			IEventEmitter eventEmitter = eventEmitterFactories.BuildComponentChain(new WriterEventEmitter());
			return new ValueSerializer(traversalStrategy, eventEmitter, typeConverters, preProcessingPhaseObjectGraphVisitorFactories.Clone(), emissionPhaseObjectGraphVisitorFactories.Clone());
		}

		public ITypeInspector BuildTypeInspector()
		{
			ITypeInspector typeInspector = new ReadablePropertiesTypeInspector(typeResolver, includeNonPublicProperties);
			if (!ignoreFields)
			{
				typeInspector = new CompositeTypeInspector(new ReadableFieldsTypeInspector(typeResolver), typeInspector);
			}
			return typeInspectorFactories.BuildComponentChain(typeInspector);
		}
	}
	internal class Settings
	{
		public bool AllowPrivateConstructors { get; set; }
	}
	internal abstract class StaticBuilderSkeleton<TBuilder> where TBuilder : StaticBuilderSkeleton<TBuilder>
	{
		internal INamingConvention namingConvention = NullNamingConvention.Instance;

		internal INamingConvention enumNamingConvention = NullNamingConvention.Instance;

		internal ITypeResolver typeResolver;

		internal readonly LazyComponentRegistrationList<Nothing, IYamlTypeConverter> typeConverterFactories;

		internal readonly LazyComponentRegistrationList<ITypeInspector, ITypeInspector> typeInspectorFactories;

		internal bool includeNonPublicProperties;

		internal Settings settings;

		internal YamlFormatter yamlFormatter = YamlFormatter.Default;

		protected abstract TBuilder Self { get; }

		internal StaticBuilderSkeleton(ITypeResolver typeResolver)
		{
			typeConverterFactories = new LazyComponentRegistrationList<Nothing, IYamlTypeConverter> { 
			{
				typeof(YamlDotNet.Serialization.Converters.GuidConverter),
				(Nothing _) => new YamlDotNet.Serialization.Converters.GuidConverter(jsonCompatible: false)
			} };
			typeInspectorFactories = new LazyComponentRegistrationList<ITypeInspector, ITypeInspector>();
			this.typeResolver = typeResolver ?? throw new ArgumentNullException("typeResolver");
			settings = new Settings();
		}

		public TBuilder WithNamingConvention(INamingConvention namingConvention)
		{
			this.namingConvention = namingConvention ?? throw new ArgumentNullException("namingConvention");
			return Self;
		}

		public TBuilder WithEnumNamingConvention(INamingConvention enumNamingConvention)
		{
			this.enumNamingConvention = enumNamingConvention ?? throw new ArgumentNullException("enumNamingConvention");
			return Self;
		}

		public TBuilder WithTypeResolver(ITypeResolver typeResolver)
		{
			this.typeResolver = typeResolver ?? throw new ArgumentNullException("typeResolver");
			return Self;
		}

		public abstract TBuilder WithTagMapping(TagName tag, Type type);

		public TBuilder WithTypeConverter(IYamlTypeConverter typeConverter)
		{
			return WithTypeConverter(typeConverter, delegate(IRegistrationLocationSelectionSyntax<IYamlTypeConverter> w)
			{
				w.OnTop();
			});
		}

		public TBuilder WithTypeConverter(IYamlTypeConverter typeConverter, Action<IRegistrationLocationSelectionSyntax<IYamlTypeConverter>> where)
		{
			if (typeConverter == null)
			{
				throw new ArgumentNullException("typeConverter");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(typeConverterFactories.CreateRegistrationLocationSelector(typeConverter.GetType(), (Nothing _) => typeConverter));
			return Self;
		}

		public TBuilder WithTypeConverter<TYamlTypeConverter>(WrapperFactory<IYamlTypeConverter, IYamlTypeConverter> typeConverterFactory, Action<ITrackingRegistrationLocationSelectionSyntax<IYamlTypeConverter>> where) where TYamlTypeConverter : IYamlTypeConverter
		{
			if (typeConverterFactory == null)
			{
				throw new ArgumentNullException("typeConverterFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(typeConverterFactories.CreateTrackingRegistrationLocationSelector(typeof(TYamlTypeConverter), (IYamlTypeConverter wrapped, Nothing _) => typeConverterFactory(wrapped)));
			return Self;
		}

		public TBuilder WithoutTypeConverter<TYamlTypeConverter>() where TYamlTypeConverter : IYamlTypeConverter
		{
			return WithoutTypeConverter(typeof(TYamlTypeConverter));
		}

		public TBuilder WithoutTypeConverter(Type converterType)
		{
			if (converterType == null)
			{
				throw new ArgumentNullException("converterType");
			}
			typeConverterFactories.Remove(converterType);
			return Self;
		}

		public TBuilder WithTypeInspector<TTypeInspector>(Func<ITypeInspector, TTypeInspector> typeInspectorFactory) where TTypeInspector : ITypeInspector
		{
			return WithTypeInspector(typeInspectorFactory, delegate(IRegistrationLocationSelectionSyntax<ITypeInspector> w)
			{
				w.OnTop();
			});
		}

		public TBuilder WithTypeInspector<TTypeInspector>(Func<ITypeInspector, TTypeInspector> typeInspectorFactory, Action<IRegistrationLocationSelectionSyntax<ITypeInspector>> where) where TTypeInspector : ITypeInspector
		{
			if (typeInspectorFactory == null)
			{
				throw new ArgumentNullException("typeInspectorFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(typeInspectorFactories.CreateRegistrationLocationSelector(typeof(TTypeInspector), (ITypeInspector inner) => typeInspectorFactory(inner)));
			return Self;
		}

		public TBuilder WithTypeInspector<TTypeInspector>(WrapperFactory<ITypeInspector, ITypeInspector, TTypeInspector> typeInspectorFactory, Action<ITrackingRegistrationLocationSelectionSyntax<ITypeInspector>> where) where TTypeInspector : ITypeInspector
		{
			if (typeInspectorFactory == null)
			{
				throw new ArgumentNullException("typeInspectorFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(typeInspectorFactories.CreateTrackingRegistrationLocationSelector(typeof(TTypeInspector), (ITypeInspector wrapped, ITypeInspector inner) => typeInspectorFactory(wrapped, inner)));
			return Self;
		}

		public TBuilder WithoutTypeInspector<TTypeInspector>() where TTypeInspector : ITypeInspector
		{
			return WithoutTypeInspector(typeof(TTypeInspector));
		}

		public TBuilder WithoutTypeInspector(Type inspectorType)
		{
			if (inspectorType == null)
			{
				throw new ArgumentNullException("inspectorType");
			}
			typeInspectorFactories.Remove(inspectorType);
			return Self;
		}

		public TBuilder WithYamlFormatter(YamlFormatter formatter)
		{
			yamlFormatter = formatter ?? throw new ArgumentNullException("formatter");
			return Self;
		}

		protected IEnumerable<IYamlTypeConverter> BuildTypeConverters()
		{
			return typeConverterFactories.BuildComponentList();
		}
	}
	internal abstract class StaticContext
	{
		public virtual bool IsKnownType(Type type)
		{
			throw new NotImplementedException();
		}

		public virtual ITypeResolver GetTypeResolver()
		{
			throw new NotImplementedException();
		}

		public virtual StaticObjectFactory GetFactory()
		{
			throw new NotImplementedException();
		}

		public virtual ITypeInspector GetTypeInspector()
		{
			throw new NotImplementedException();
		}
	}
	internal sealed class StaticDeserializerBuilder : StaticBuilderSkeleton<StaticDeserializerBuilder>
	{
		private readonly StaticContext context;

		private readonly StaticObjectFactory factory;

		private readonly LazyComponentRegistrationList<Nothing, INodeDeserializer> nodeDeserializerFactories;

		private readonly LazyComponentRegistrationList<Nothing, INodeTypeResolver> nodeTypeResolverFactories;

		private readonly Dictionary<TagName, Type> tagMappings;

		private readonly ITypeConverter typeConverter;

		private readonly Dictionary<Type, Type> typeMappings;

		private bool ignoreUnmatched;

		private bool duplicateKeyChecking;

		private bool attemptUnknownTypeDeserialization;

		private bool enforceNullability;

		private bool caseInsensitivePropertyMatching;

		protected override StaticDeserializerBuilder Self => this;

		public StaticDeserializerBuilder(StaticContext context)
			: base(context.GetTypeResolver())
		{
			this.context = context;
			factory = context.GetFactory();
			typeMappings = new Dictionary<Type, Type>();
			tagMappings = new Dictionary<TagName, Type>
			{
				{
					FailsafeSchema.Tags.Map,
					typeof(Dictionary<object, object>)
				},
				{
					FailsafeSchema.Tags.Str,
					typeof(string)
				},
				{
					JsonSchema.Tags.Bool,
					typeof(bool)
				},
				{
					JsonSchema.Tags.Float,
					typeof(double)
				},
				{
					JsonSchema.Tags.Int,
					typeof(int)
				},
				{
					DefaultSchema.Tags.Timestamp,
					typeof(DateTime)
				}
			};
			typeInspectorFactories.Add(typeof(CachedTypeInspector), (ITypeInspector inner) => new CachedTypeInspector(inner));
			typeInspectorFactories.Add(typeof(NamingConventionTypeInspector), (ITypeInspector inner) => (!(namingConvention is NullNamingConvention)) ? new NamingConventionTypeInspector(inner, namingConvention) : inner);
			typeInspectorFactories.Add(typeof(YamlAttributesTypeInspector), (ITypeInspector inner) => new YamlAttributesTypeInspector(inner));
			nodeDeserializerFactories = new LazyComponentRegistrationList<Nothing, INodeDeserializer>
			{
				{
					typeof(YamlConvertibleNodeDeserializer),
					(Nothing _) => new YamlConvertibleNodeDeserializer(factory)
				},
				{
					typeof(YamlSerializableNodeDeserializer),
					(Nothing _) => new YamlSerializableNodeDeserializer(factory)
				},
				{
					typeof(TypeConverterNodeDeserializer),
					(Nothing _) => new TypeConverterNodeDeserializer(BuildTypeConverters())
				},
				{
					typeof(NullNodeDeserializer),
					(Nothing _) => new NullNodeDeserializer()
				},
				{
					typeof(ScalarNodeDeserializer),
					(Nothing _) => new ScalarNodeDeserializer(attemptUnknownTypeDeserialization, typeConverter, BuildTypeInspector(), yamlFormatter, enumNamingConvention)
				},
				{
					typeof(StaticArrayNodeDeserializer),
					(Nothing _) => new StaticArrayNodeDeserializer(factory)
				},
				{
					typeof(StaticDictionaryNodeDeserializer),
					(Nothing _) => new StaticDictionaryNodeDeserializer(factory, duplicateKeyChecking)
				},
				{
					typeof(StaticCollectionNodeDeserializer),
					(Nothing _) => new StaticCollectionNodeDeserializer(factory)
				},
				{
					typeof(ObjectNodeDeserializer),
					(Nothing _) => new ObjectNodeDeserializer(factory, BuildTypeInspector(), ignoreUnmatched, duplicateKeyChecking, typeConverter, enumNamingConvention, enforceNullability, caseInsensitivePropertyMatching, enforceRequiredProperties: false, BuildTypeConverters())
				}
			};
			nodeTypeResolverFactories = new LazyComponentRegistrationList<Nothing, INodeTypeResolver>
			{
				{
					typeof(MappingNodeTypeResolver),
					(Nothing _) => new MappingNodeTypeResolver(typeMappings)
				},
				{
					typeof(YamlConvertibleTypeResolver),
					(Nothing _) => new YamlConvertibleTypeResolver()
				},
				{
					typeof(YamlSerializableTypeResolver),
					(Nothing _) => new YamlSerializableTypeResolver()
				},
				{
					typeof(TagNodeTypeResolver),
					(Nothing _) => new TagNodeTypeResolver(tagMappings)
				},
				{
					typeof(PreventUnknownTagsNodeTypeResolver),
					(Nothing _) => new PreventUnknownTagsNodeTypeResolver()
				},
				{
					typeof(DefaultContainersNodeTypeResolver),
					(Nothing _) => new DefaultContainersNodeTypeResolver()
				}
			};
			typeConverter = new NullTypeConverter();
		}

		public ITypeInspector BuildTypeInspector()
		{
			ITypeInspector typeInspector = context.GetTypeInspector();
			return typeInspectorFactories.BuildComponentChain(typeInspector);
		}

		public StaticDeserializerBuilder WithAttemptingUnquotedStringTypeDeserialization()
		{
			attemptUnknownTypeDeserialization = true;
			return this;
		}

		public StaticDeserializerBuilder WithNodeDeserializer(INodeDeserializer nodeDeserializer)
		{
			return WithNodeDeserializer(nodeDeserializer, delegate(IRegistrationLocationSelectionSyntax<INodeDeserializer> w)
			{
				w.OnTop();
			});
		}

		public StaticDeserializerBuilder WithNodeDeserializer(INodeDeserializer nodeDeserializer, Action<IRegistrationLocationSelectionSyntax<INodeDeserializer>> where)
		{
			if (nodeDeserializer == null)
			{
				throw new ArgumentNullException("nodeDeserializer");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(nodeDeserializerFactories.CreateRegistrationLocationSelector(nodeDeserializer.GetType(), (Nothing _) => nodeDeserializer));
			return this;
		}

		public StaticDeserializerBuilder WithNodeDeserializer<TNodeDeserializer>(WrapperFactory<INodeDeserializer, TNodeDeserializer> nodeDeserializerFactory, Action<ITrackingRegistrationLocationSelectionSyntax<INodeDeserializer>> where) where TNodeDeserializer : INodeDeserializer
		{
			if (nodeDeserializerFactory == null)
			{
				throw new ArgumentNullException("nodeDeserializerFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(nodeDeserializerFactories.CreateTrackingRegistrationLocationSelector(typeof(TNodeDeserializer), (INodeDeserializer wrapped, Nothing _) => nodeDeserializerFactory(wrapped)));
			return this;
		}

		public StaticDeserializerBuilder WithCaseInsensitivePropertyMatching()
		{
			caseInsensitivePropertyMatching = true;
			return this;
		}

		public StaticDeserializerBuilder WithEnforceNullability()
		{
			enforceNullability = true;
			return this;
		}

		public StaticDeserializerBuilder WithoutNodeDeserializer<TNodeDeserializer>() where TNodeDeserializer : INodeDeserializer
		{
			return WithoutNodeDeserializer(typeof(TNodeDeserializer));
		}

		public StaticDeserializerBuilder WithoutNodeDeserializer(Type nodeDeserializerType)
		{
			if (nodeDeserializerType == null)
			{
				throw new ArgumentNullException("nodeDeserializerType");
			}
			nodeDeserializerFactories.Remove(nodeDeserializerType);
			return this;
		}

		public StaticDeserializerBuilder WithTypeDiscriminatingNodeDeserializer(Action<ITypeDiscriminatingNodeDeserializerOptions> configureTypeDiscriminatingNodeDeserializerOptions, int maxDepth = -1, int maxLength = -1)
		{
			TypeDiscriminatingNodeDeserializerOptions typeDiscriminatingNodeDeserializerOptions = new TypeDiscriminatingNodeDeserializerOptions();
			configureTypeDiscriminatingNodeDeserializerOptions(typeDiscriminatingNodeDeserializerOptions);
			TypeDiscriminatingNodeDeserializer nodeDeserializer = new TypeDiscriminatingNodeDeserializer(nodeDeserializerFactories.BuildComponentList(), typeDiscriminatingNodeDeserializerOptions.discriminators, maxDepth, maxLength);
			return WithNodeDeserializer(nodeDeserializer, delegate(IRegistrationLocationSelectionSyntax<INodeDeserializer> s)
			{
				s.Before<DictionaryNodeDeserializer>();
			});
		}

		public StaticDeserializerBuilder WithNodeTypeResolver(INodeTypeResolver nodeTypeResolver)
		{
			return WithNodeTypeResolver(nodeTypeResolver, delegate(IRegistrationLocationSelectionSyntax<INodeTypeResolver> w)
			{
				w.OnTop();
			});
		}

		public StaticDeserializerBuilder WithNodeTypeResolver(INodeTypeResolver nodeTypeResolver, Action<IRegistrationLocationSelectionSyntax<INodeTypeResolver>> where)
		{
			if (nodeTypeResolver == null)
			{
				throw new ArgumentNullException("nodeTypeResolver");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(nodeTypeResolverFactories.CreateRegistrationLocationSelector(nodeTypeResolver.GetType(), (Nothing _) => nodeTypeResolver));
			return this;
		}

		public StaticDeserializerBuilder WithNodeTypeResolver<TNodeTypeResolver>(WrapperFactory<INodeTypeResolver, TNodeTypeResolver> nodeTypeResolverFactory, Action<ITrackingRegistrationLocationSelectionSyntax<INodeTypeResolver>> where) where TNodeTypeResolver : INodeTypeResolver
		{
			if (nodeTypeResolverFactory == null)
			{
				throw new ArgumentNullException("nodeTypeResolverFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(nodeTypeResolverFactories.CreateTrackingRegistrationLocationSelector(typeof(TNodeTypeResolver), (INodeTypeResolver wrapped, Nothing _) => nodeTypeResolverFactory(wrapped)));
			return this;
		}

		public StaticDeserializerBuilder WithoutNodeTypeResolver<TNodeTypeResolver>() where TNodeTypeResolver : INodeTypeResolver
		{
			return WithoutNodeTypeResolver(typeof(TNodeTypeResolver));
		}

		public StaticDeserializerBuilder WithoutNodeTypeResolver(Type nodeTypeResolverType)
		{
			if (nodeTypeResolverType == null)
			{
				throw new ArgumentNullException("nodeTypeResolverType");
			}
			nodeTypeResolverFactories.Remove(nodeTypeResolverType);
			return this;
		}

		public override StaticDeserializerBuilder WithTagMapping(TagName tag, Type type)
		{
			if (tag.IsEmpty)
			{
				throw new ArgumentException("Non-specific tags cannot be maped");
			}
			if (type == null)
			{
				throw new ArgumentNullException("type");
			}
			if (tagMappings.TryGetValue(tag, out Type value))
			{
				throw new ArgumentException($"Type already has a registered type '{value.FullName}' for tag '{tag}'", "tag");
			}
			tagMappings.Add(tag, type);
			return this;
		}

		public StaticDeserializerBuilder WithTypeMapping<TInterface, TConcrete>() where TConcrete : TInterface
		{
			Type typeFromHandle = typeof(TInterface);
			Type typeFromHandle2 = typeof(TConcrete);
			if (!typeFromHandle.IsAssignableFrom(typeFromHandle2))
			{
				throw new InvalidOperationException("The type '" + typeFromHandle2.Name + "' does not implement interface '" + typeFromHandle.Name + "'.");
			}
			typeMappings[typeFromHandle] = typeFromHandle2;
			return this;
		}

		public StaticDeserializerBuilder WithoutTagMapping(TagName tag)
		{
			if (tag.IsEmpty)
			{
				throw new ArgumentException("Non-specific tags cannot be maped");
			}
			if (!tagMappings.Remove(tag))
			{
				throw new KeyNotFoundException($"Tag '{tag}' is not registered");
			}
			return this;
		}

		public StaticDeserializerBuilder IgnoreUnmatchedProperties()
		{
			ignoreUnmatched = true;
			return this;
		}

		public StaticDeserializerBuilder WithDuplicateKeyChecking()
		{
			duplicateKeyChecking = true;
			return this;
		}

		public IDeserializer Build()
		{
			return Deserializer.FromValueDeserializer(BuildValueDeserializer());
		}

		public IValueDeserializer BuildValueDeserializer()
		{
			return new AliasValueDeserializer(new NodeValueDeserializer(nodeDeserializerFactories.BuildComponentList(), nodeTypeResolverFactories.BuildComponentList(), typeConverter, enumNamingConvention, BuildTypeInspector()));
		}
	}
	internal sealed class StaticSerializerBuilder : StaticBuilderSkeleton<StaticSerializerBuilder>
	{
		private class ValueSerializer : IValueSerializer
		{
			private readonly IObjectGraphTraversalStrategy traversalStrategy;

			private readonly IEventEmitter eventEmitter;

			private readonly IEnumerable<IYamlTypeConverter> typeConverters;

			private readonly LazyComponentRegistrationList<IEnumerable<IYamlTypeConverter>, IObjectGraphVisitor<Nothing>> preProcessingPhaseObjectGraphVisitorFactories;

			private readonly LazyComponentRegistrationList<EmissionPhaseObjectGraphVisitorArgs, IObjectGraphVisitor<IEmitter>> emissionPhaseObjectGraphVisitorFactories;

			public ValueSerializer(IObjectGraphTraversalStrategy traversalStrategy, IEventEmitter eventEmitter, IEnumerable<IYamlTypeConverter> typeConverters, LazyComponentRegistrationList<IEnumerable<IYamlTypeConverter>, IObjectGraphVisitor<Nothing>> preProcessingPhaseObjectGraphVisitorFactories, LazyComponentRegistrationList<EmissionPhaseObjectGraphVisitorArgs, IObjectGraphVisitor<IEmitter>> emissionPhaseObjectGraphVisitorFactories)
			{
				this.traversalStrategy = traversalStrategy;
				this.eventEmitter = eventEmitter;
				this.typeConverters = typeConverters;
				this.preProcessingPhaseObjectGraphVisitorFactories = preProcessingPhaseObjectGraphVisitorFactories;
				this.emissionPhaseObjectGraphVisitorFactories = emissionPhaseObjectGraphVisitorFactories;
			}

			public void SerializeValue(IEmitter emitter, object? value, Type? type)
			{
				Type type2 = type ?? ((value != null) ? value.GetType() : typeof(object));
				Type staticType = type ?? typeof(object);
				ObjectDescriptor graph = new ObjectDescriptor(value, type2, staticType);
				List<IObjectGraphVisitor<Nothing>> preProcessingPhaseObjectGraphVisitors = preProcessingPhaseObjectGraphVisitorFactories.BuildComponentList(typeConverters);
				foreach (IObjectGraphVisitor<Nothing> item in preProcessingPhaseObjectGraphVisitors)
				{
					traversalStrategy.Traverse(graph, item, default(Nothing), NestedObjectSerializer);
				}
				IObjectGraphVisitor<IEmitter> visitor = emissionPhaseObjectGraphVisitorFactories.BuildComponentChain<EmissionPhaseObjectGraphVisitorArgs, IObjectGraphVisitor<IEmitter>>(new EmittingObjectGraphVisitor(eventEmitter), (IObjectGraphVisitor<IEmitter> inner) => new EmissionPhaseObjectGraphVisitorArgs(inner, eventEmitter, preProcessingPhaseObjectGraphVisitors, typeConverters, NestedObjectSerializer));
				traversalStrategy.Traverse(graph, visitor, emitter, NestedObjectSerializer);
				void NestedObjectSerializer(object? v, Type? t)
				{
					SerializeValue(emitter, v, t);
				}
			}
		}

		private readonly StaticContext context;

		private readonly StaticObjectFactory factory;

		private ObjectGraphTraversalStrategyFactory objectGraphTraversalStrategyFactory;

		private readonly LazyComponentRegistrationList<IEnumerable<IYamlTypeConverter>, IObjectGraphVisitor<Nothing>> preProcessingPhaseObjectGraphVisitorFactories;

		private readonly LazyComponentRegistrationList<EmissionPhaseObjectGraphVisitorArgs, IObjectGraphVisitor<IEmitter>> emissionPhaseObjectGraphVisitorFactories;

		private readonly LazyComponentRegistrationList<IEventEmitter, IEventEmitter> eventEmitterFactories;

		private readonly Dictionary<Type, TagName> tagMappings = new Dictionary<Type, TagName>();

		private int maximumRecursion = 50;

		private EmitterSettings emitterSettings = EmitterSettings.Default;

		private DefaultValuesHandling defaultValuesHandlingConfiguration;

		private bool quoteNecessaryStrings;

		private bool quoteYaml1_1Strings;

		private ScalarStyle defaultScalarStyle;

		protected override StaticSerializerBuilder Self => this;

		public StaticSerializerBuilder(StaticContext context)
			: base((ITypeResolver)new DynamicTypeResolver())
		{
			this.context = context;
			factory = context.GetFactory();
			typeInspectorFactories.Add(typeof(CachedTypeInspector), (ITypeInspector inner) => new CachedTypeInspector(inner));
			typeInspectorFactories.Add(typeof(NamingConventionTypeInspector), (ITypeInspector inner) => (!(namingConvention is NullNamingConvention)) ? new NamingConventionTypeInspector(inner, namingConvention) : inner);
			typeInspectorFactories.Add(typeof(YamlAttributesTypeInspector), (ITypeInspector inner) => new YamlAttributesTypeInspector(inner));
			preProcessingPhaseObjectGraphVisitorFactories = new LazyComponentRegistrationList<IEnumerable<IYamlTypeConverter>, IObjectGraphVisitor<Nothing>> { 
			{
				typeof(AnchorAssigner),
				(IEnumerable<IYamlTypeConverter> typeConverters) => new AnchorAssigner(typeConverters)
			} };
			emissionPhaseObjectGraphVisitorFactories = new LazyComponentRegistrationList<EmissionPhaseObjectGraphVisitorArgs, IObjectGraphVisitor<IEmitter>>
			{
				{
					typeof(CustomSerializationObjectGraphVisitor),
					(EmissionPhaseObjectGraphVisitorArgs args) => new CustomSerializationObjectGraphVisitor(args.InnerVisitor, args.TypeConverters, args.NestedObjectSerializer)
				},
				{
					typeof(AnchorAssigningObjectGraphVisitor),
					(EmissionPhaseObjectGraphVisitorArgs args) => new AnchorAssigningObjectGraphVisitor(args.InnerVisitor, args.EventEmitter, args.GetPreProcessingPhaseObjectGraphVisitor<AnchorAssigner>())
				},
				{
					typeof(DefaultValuesObjectGraphVisitor),
					(EmissionPhaseObjectGraphVisitorArgs args) => new DefaultValuesObjectGraphVisitor(defaultValuesHandlingConfiguration, args.InnerVisitor, factory)
				},
				{
					typeof(CommentsObjectGraphVisitor),
					(EmissionPhaseObjectGraphVisitorArgs args) => new CommentsObjectGraphVisitor(args.InnerVisitor)
				}
			};
			eventEmitterFactories = new LazyComponentRegistrationList<IEventEmitter, IEventEmitter> { 
			{
				typeof(TypeAssigningEventEmitter),
				(IEventEmitter inner) => new TypeAssigningEventEmitter(inner, tagMappings, quoteNecessaryStrings, quoteYaml1_1Strings, defaultScalarStyle, yamlFormatter, enumNamingConvention, BuildTypeInspector())
			} };
			objectGraphTraversalStrategyFactory = (ITypeInspector typeInspector, ITypeResolver typeResolver, IEnumerable<IYamlTypeConverter> typeConverters, int maximumRecursion) => new FullObjectGraphTraversalStrategy(typeInspector, typeResolver, maximumRecursion, namingConvention, factory);
		}

		public StaticSerializerBuilder WithQuotingNecessaryStrings(bool quoteYaml1_1Strings = false)
		{
			quoteNecessaryStrings = true;
			this.quoteYaml1_1Strings = quoteYaml1_1Strings;
			return this;
		}

		public StaticSerializerBuilder WithQuotingNecessaryStrings()
		{
			quoteNecessaryStrings = true;
			return this;
		}

		public StaticSerializerBuilder WithDefaultScalarStyle(ScalarStyle style)
		{
			defaultScalarStyle = style;
			return this;
		}

		public StaticSerializerBuilder WithMaximumRecursion(int maximumRecursion)
		{
			if (maximumRecursion <= 0)
			{
				throw new ArgumentOutOfRangeException("maximumRecursion", $"The maximum recursion specified ({maximumRecursion}) is invalid. It should be a positive integer.");
			}
			this.maximumRecursion = maximumRecursion;
			return this;
		}

		public StaticSerializerBuilder WithEventEmitter<TEventEmitter>(Func<IEventEmitter, TEventEmitter> eventEmitterFactory) where TEventEmitter : IEventEmitter
		{
			return WithEventEmitter(eventEmitterFactory, delegate(IRegistrationLocationSelectionSyntax<IEventEmitter> w)
			{
				w.OnTop();
			});
		}

		public StaticSerializerBuilder WithEventEmitter<TEventEmitter>(Func<IEventEmitter, ITypeInspector, TEventEmitter> eventEmitterFactory) where TEventEmitter : IEventEmitter
		{
			return WithEventEmitter(eventEmitterFactory, delegate(IRegistrationLocationSelectionSyntax<IEventEmitter> w)
			{
				w.OnTop();
			});
		}

		public StaticSerializerBuilder WithEventEmitter<TEventEmitter>(Func<IEventEmitter, TEventEmitter> eventEmitterFactory, Action<IRegistrationLocationSelectionSyntax<IEventEmitter>> where) where TEventEmitter : IEventEmitter
		{
			return WithEventEmitter((IEventEmitter e, ITypeInspector _) => eventEmitterFactory(e), where);
		}

		public StaticSerializerBuilder WithEventEmitter<TEventEmitter>(Func<IEventEmitter, ITypeInspector, TEventEmitter> eventEmitterFactory, Action<IRegistrationLocationSelectionSyntax<IEventEmitter>> where) where TEventEmitter : IEventEmitter
		{
			if (eventEmitterFactory == null)
			{
				throw new ArgumentNullException("eventEmitterFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(eventEmitterFactories.CreateRegistrationLocationSelector(typeof(TEventEmitter), (IEventEmitter inner) => eventEmitterFactory(inner, BuildTypeInspector())));
			return Self;
		}

		public StaticSerializerBuilder WithEventEmitter<TEventEmitter>(WrapperFactory<IEventEmitter, IEventEmitter, TEventEmitter> eventEmitterFactory, Action<ITrackingRegistrationLocationSelectionSyntax<IEventEmitter>> where) where TEventEmitter : IEventEmitter
		{
			if (eventEmitterFactory == null)
			{
				throw new ArgumentNullException("eventEmitterFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(eventEmitterFactories.CreateTrackingRegistrationLocationSelector(typeof(TEventEmitter), (IEventEmitter wrapped, IEventEmitter inner) => eventEmitterFactory(wrapped, inner)));
			return Self;
		}

		public StaticSerializerBuilder WithoutEventEmitter<TEventEmitter>() where TEventEmitter : IEventEmitter
		{
			return WithoutEventEmitter(typeof(TEventEmitter));
		}

		public StaticSerializerBuilder WithoutEventEmitter(Type eventEmitterType)
		{
			if (eventEmitterType == null)
			{
				throw new ArgumentNullException("eventEmitterType");
			}
			eventEmitterFactories.Remove(eventEmitterType);
			return this;
		}

		public override StaticSerializerBuilder WithTagMapping(TagName tag, Type type)
		{
			if (tag.IsEmpty)
			{
				throw new ArgumentException("Non-specific tags cannot be maped");
			}
			if (type == null)
			{
				throw new ArgumentNullException("type");
			}
			if (tagMappings.TryGetValue(type, out var value))
			{
				throw new ArgumentException($"Type already has a registered tag '{value}' for type '{type.FullName}'", "type");
			}
			tagMappings.Add(type, tag);
			return this;
		}

		public StaticSerializerBuilder WithoutTagMapping(Type type)
		{
			if (type == null)
			{
				throw new ArgumentNullException("type");
			}
			if (!tagMappings.Remove(type))
			{
				throw new KeyNotFoundException("Tag for type '" + type.FullName + "' is not registered");
			}
			return this;
		}

		public StaticSerializerBuilder EnsureRoundtrip()
		{
			objectGraphTraversalStrategyFactory = (ITypeInspector typeInspector, ITypeResolver typeResolver, IEnumerable<IYamlTypeConverter> typeConverters, int maximumRecursion) => new RoundtripObjectGraphTraversalStrategy(typeConverters, typeInspector, typeResolver, maximumRecursion, namingConvention, settings, factory);
			WithEventEmitter((IEventEmitter inner) => new TypeAssigningEventEmitter(inner, tagMappings, quoteNecessaryStrings, quoteYaml1_1Strings: false, ScalarStyle.Plain, YamlFormatter.Default, enumNamingConvention, BuildTypeInspector()), delegate(IRegistrationLocationSelectionSyntax<IEventEmitter> loc)
			{
				loc.InsteadOf<TypeAssigningEventEmitter>();
			});
			return WithTypeInspector((ITypeInspector inner) => new ReadableAndWritablePropertiesTypeInspector(inner), delegate(IRegistrationLocationSelectionSyntax<ITypeInspector> loc)
			{
				loc.OnBottom();
			});
		}

		public StaticSerializerBuilder DisableAliases()
		{
			preProcessingPhaseObjectGraphVisitorFactories.Remove(typeof(AnchorAssigner));
			emissionPhaseObjectGraphVisitorFactories.Remove(typeof(AnchorAssigningObjectGraphVisitor));
			return this;
		}

		[Obsolete("The default behavior is now to always emit default values, thefore calling this method has no effect. This behavior is now controlled by ConfigureDefaultValuesHandling.", true)]
		public StaticSerializerBuilder EmitDefaults()
		{
			return ConfigureDefaultValuesHandling(DefaultValuesHandling.Preserve);
		}

		public StaticSerializerBuilder ConfigureDefaultValuesHandling(DefaultValuesHandling configuration)
		{
			defaultValuesHandlingConfiguration = configuration;
			return this;
		}

		public StaticSerializerBuilder JsonCompatible()
		{
			emitterSettings = emitterSettings.WithMaxSimpleKeyLength(int.MaxValue).WithoutAnchorName().WithUtf16SurrogatePairs();
			return WithTypeConverter(new YamlDotNet.Serialization.Converters.GuidConverter(jsonCompatible: true), delegate(IRegistrationLocationSelectionSyntax<IYamlTypeConverter> w)
			{
				w.InsteadOf<YamlDotNet.Serialization.Converters.GuidConverter>();
			}).WithTypeConverter(new DateTime8601Converter(ScalarStyle.DoubleQuoted)).WithEventEmitter((IEventEmitter inner) => new JsonEventEmitter(inner, yamlFormatter, enumNamingConvention, BuildTypeInspector()), delegate(IRegistrationLocationSelectionSyntax<IEventEmitter> loc)
			{
				loc.InsteadOf<TypeAssigningEventEmitter>();
			});
		}

		public StaticSerializerBuilder WithNewLine(string newLine)
		{
			emitterSettings = emitterSettings.WithNewLine(newLine);
			return this;
		}

		public StaticSerializerBuilder WithPreProcessingPhaseObjectGraphVisitor<TObjectGraphVisitor>(TObjectGraphVisitor objectGraphVisitor) where TObjectGraphVisitor : IObjectGraphVisitor<Nothing>
		{
			return WithPreProcessingPhaseObjectGraphVisitor(objectGraphVisitor, delegate(IRegistrationLocationSelectionSyntax<IObjectGraphVisitor<Nothing>> w)
			{
				w.OnTop();
			});
		}

		public StaticSerializerBuilder WithPreProcessingPhaseObjectGraphVisitor<TObjectGraphVisitor>(Func<IEnumerable<IYamlTypeConverter>, TObjectGraphVisitor> objectGraphVisitorFactory) where TObjectGraphVisitor : IObjectGraphVisitor<Nothing>
		{
			return WithPreProcessingPhaseObjectGraphVisitor(objectGraphVisitorFactory, delegate(IRegistrationLocationSelectionSyntax<IObjectGraphVisitor<Nothing>> w)
			{
				w.OnTop();
			});
		}

		public StaticSerializerBuilder WithPreProcessingPhaseObjectGraphVisitor<TObjectGraphVisitor>(TObjectGraphVisitor objectGraphVisitor, Action<IRegistrationLocationSelectionSyntax<IObjectGraphVisitor<Nothing>>> where) where TObjectGraphVisitor : IObjectGraphVisitor<Nothing>
		{
			if (objectGraphVisitor == null)
			{
				throw new ArgumentNullException("objectGraphVisitor");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(preProcessingPhaseObjectGraphVisitorFactories.CreateRegistrationLocationSelector(typeof(TObjectGraphVisitor), (IEnumerable<IYamlTypeConverter> _) => objectGraphVisitor));
			return this;
		}

		public StaticSerializerBuilder WithPreProcessingPhaseObjectGraphVisitor<TObjectGraphVisitor>(Func<IEnumerable<IYamlTypeConverter>, TObjectGraphVisitor> objectGraphVisitorFactory, Action<IRegistrationLocationSelectionSyntax<IObjectGraphVisitor<Nothing>>> where) where TObjectGraphVisitor : IObjectGraphVisitor<Nothing>
		{
			if (objectGraphVisitorFactory == null)
			{
				throw new ArgumentNullException("objectGraphVisitorFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(preProcessingPhaseObjectGraphVisitorFactories.CreateRegistrationLocationSelector(typeof(TObjectGraphVisitor), (IEnumerable<IYamlTypeConverter> typeConverters) => objectGraphVisitorFactory(typeConverters)));
			return this;
		}

		public StaticSerializerBuilder WithPreProcessingPhaseObjectGraphVisitor<TObjectGraphVisitor>(WrapperFactory<IObjectGraphVisitor<Nothing>, TObjectGraphVisitor> objectGraphVisitorFactory, Action<ITrackingRegistrationLocationSelectionSyntax<IObjectGraphVisitor<Nothing>>> where) where TObjectGraphVisitor : IObjectGraphVisitor<Nothing>
		{
			if (objectGraphVisitorFactory == null)
			{
				throw new ArgumentNullException("objectGraphVisitorFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(preProcessingPhaseObjectGraphVisitorFactories.CreateTrackingRegistrationLocationSelector(typeof(TObjectGraphVisitor), (IObjectGraphVisitor<Nothing> wrapped, IEnumerable<IYamlTypeConverter> _) => objectGraphVisitorFactory(wrapped)));
			return this;
		}

		public StaticSerializerBuilder WithPreProcessingPhaseObjectGraphVisitor<TObjectGraphVisitor>(WrapperFactory<IEnumerable<IYamlTypeConverter>, IObjectGraphVisitor<Nothing>, TObjectGraphVisitor> objectGraphVisitorFactory, Action<ITrackingRegistrationLocationSelectionSyntax<IObjectGraphVisitor<Nothing>>> where) where TObjectGraphVisitor : IObjectGraphVisitor<Nothing>
		{
			if (objectGraphVisitorFactory == null)
			{
				throw new ArgumentNullException("objectGraphVisitorFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(preProcessingPhaseObjectGraphVisitorFactories.CreateTrackingRegistrationLocationSelector(typeof(TObjectGraphVisitor), (IObjectGraphVisitor<Nothing> wrapped, IEnumerable<IYamlTypeConverter> typeConverters) => objectGraphVisitorFactory(wrapped, typeConverters)));
			return this;
		}

		public StaticSerializerBuilder WithoutPreProcessingPhaseObjectGraphVisitor<TObjectGraphVisitor>() where TObjectGraphVisitor : IObjectGraphVisitor<Nothing>
		{
			return WithoutPreProcessingPhaseObjectGraphVisitor(typeof(TObjectGraphVisitor));
		}

		public StaticSerializerBuilder WithoutPreProcessingPhaseObjectGraphVisitor(Type objectGraphVisitorType)
		{
			if (objectGraphVisitorType == null)
			{
				throw new ArgumentNullException("objectGraphVisitorType");
			}
			preProcessingPhaseObjectGraphVisitorFactories.Remove(objectGraphVisitorType);
			return this;
		}

		public StaticSerializerBuilder WithObjectGraphTraversalStrategyFactory(ObjectGraphTraversalStrategyFactory objectGraphTraversalStrategyFactory)
		{
			this.objectGraphTraversalStrategyFactory = objectGraphTraversalStrategyFactory;
			return this;
		}

		public StaticSerializerBuilder WithEmissionPhaseObjectGraphVisitor<TObjectGraphVisitor>(Func<EmissionPhaseObjectGraphVisitorArgs, TObjectGraphVisitor> objectGraphVisitorFactory) where TObjectGraphVisitor : IObjectGraphVisitor<IEmitter>
		{
			return WithEmissionPhaseObjectGraphVisitor(objectGraphVisitorFactory, delegate(IRegistrationLocationSelectionSyntax<IObjectGraphVisitor<IEmitter>> w)
			{
				w.OnTop();
			});
		}

		public StaticSerializerBuilder WithEmissionPhaseObjectGraphVisitor<TObjectGraphVisitor>(Func<EmissionPhaseObjectGraphVisitorArgs, TObjectGraphVisitor> objectGraphVisitorFactory, Action<IRegistrationLocationSelectionSyntax<IObjectGraphVisitor<IEmitter>>> where) where TObjectGraphVisitor : IObjectGraphVisitor<IEmitter>
		{
			if (objectGraphVisitorFactory == null)
			{
				throw new ArgumentNullException("objectGraphVisitorFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(emissionPhaseObjectGraphVisitorFactories.CreateRegistrationLocationSelector(typeof(TObjectGraphVisitor), (EmissionPhaseObjectGraphVisitorArgs args) => objectGraphVisitorFactory(args)));
			return this;
		}

		public StaticSerializerBuilder WithEmissionPhaseObjectGraphVisitor<TObjectGraphVisitor>(WrapperFactory<EmissionPhaseObjectGraphVisitorArgs, IObjectGraphVisitor<IEmitter>, TObjectGraphVisitor> objectGraphVisitorFactory, Action<ITrackingRegistrationLocationSelectionSyntax<IObjectGraphVisitor<IEmitter>>> where) where TObjectGraphVisitor : IObjectGraphVisitor<IEmitter>
		{
			if (objectGraphVisitorFactory == null)
			{
				throw new ArgumentNullException("objectGraphVisitorFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(emissionPhaseObjectGraphVisitorFactories.CreateTrackingRegistrationLocationSelector(typeof(TObjectGraphVisitor), (IObjectGraphVisitor<IEmitter> wrapped, EmissionPhaseObjectGraphVisitorArgs args) => objectGraphVisitorFactory(wrapped, args)));
			return this;
		}

		public StaticSerializerBuilder WithoutEmissionPhaseObjectGraphVisitor<TObjectGraphVisitor>() where TObjectGraphVisitor : IObjectGraphVisitor<IEmitter>
		{
			return WithoutEmissionPhaseObjectGraphVisitor(typeof(TObjectGraphVisitor));
		}

		public StaticSerializerBuilder WithoutEmissionPhaseObjectGraphVisitor(Type objectGraphVisitorType)
		{
			if (objectGraphVisitorType == null)
			{
				throw new ArgumentNullException("objectGraphVisitorType");
			}
			emissionPhaseObjectGraphVisitorFactories.Remove(objectGraphVisitorType);
			return this;
		}

		public StaticSerializerBuilder WithIndentedSequences()
		{
			emitterSettings = emitterSettings.WithIndentedSequences();
			return this;
		}

		public ISerializer Build()
		{
			return Serializer.FromValueSerializer(BuildValueSerializer(), emitterSettings);
		}

		public IValueSerializer BuildValueSerializer()
		{
			IEnumerable<IYamlTypeConverter> typeConverters = BuildTypeConverters();
			ITypeInspector typeInspector = BuildTypeInspector();
			IObjectGraphTraversalStrategy traversalStrategy = objectGraphTraversalStrategyFactory(typeInspector, typeResolver, typeConverters, maximumRecursion);
			IEventEmitter eventEmitter = eventEmitterFactories.BuildComponentChain(new WriterEventEmitter());
			return new ValueSerializer(traversalStrategy, eventEmitter, typeConverters, preProcessingPhaseObjectGraphVisitorFactories.Clone(), emissionPhaseObjectGraphVisitorFactories.Clone());
		}

		public ITypeInspector BuildTypeInspector()
		{
			ITypeInspector typeInspector = context.GetTypeInspector();
			return typeInspectorFactories.BuildComponentChain(typeInspector);
		}
	}
	internal sealed class StreamFragment : IYamlConvertible
	{
		private readonly List<ParsingEvent> events = new List<ParsingEvent>();

		public IList<ParsingEvent> Events => events;

		void IYamlConvertible.Read(IParser parser, Type expectedType, ObjectDeserializer nestedObjectDeserializer)
		{
			events.Clear();
			int num = 0;
			do
			{
				if (!parser.MoveNext())
				{
					throw new InvalidOperationException("The parser has reached the end before deserialization completed.");
				}
				ParsingEvent current = parser.Current;
				events.Add(current);
				num += current.NestingIncrease;
			}
			while (num > 0);
		}

		void IYamlConvertible.Write(IEmitter emitter, ObjectSerializer nestedObjectSerializer)
		{
			foreach (ParsingEvent @event in events)
			{
				emitter.Emit(@event);
			}
		}
	}
	internal sealed class TagMappings
	{
		private readonly Dictionary<string, Type> mappings;

		public TagMappings()
		{
			mappings = new Dictionary<string, Type>();
		}

		public TagMappings(IDictionary<string, Type> mappings)
		{
			this.mappings = new Dictionary<string, Type>(mappings);
		}

		public void Add(string tag, Type mapping)
		{
			mappings.Add(tag, mapping);
		}

		internal Type? GetMapping(string tag)
		{
			if (!mappings.TryGetValue(tag, out Type value))
			{
				return null;
			}
			return value;
		}
	}
	internal sealed class YamlAttributeOverrides
	{
		private readonly struct AttributeKey
		{
			public readonly Type AttributeType;

			public readonly string PropertyName;

			public AttributeKey(Type attributeType, string propertyName)
			{
				AttributeType = attributeType;
				PropertyName = propertyName;
			}

			public override bool Equals(object? obj)
			{
				if (obj is AttributeKey attributeKey && AttributeType.Equals(attributeKey.AttributeType))
				{
					return PropertyName.Equals(attributeKey.PropertyName);
				}
				return false;
			}

			public override int GetHashCode()
			{
				return YamlDotNet.Core.HashCode.CombineHashCodes(AttributeType.GetHashCode(), PropertyName.GetHashCode());
			}
		}

		private sealed class AttributeMapping
		{
			public readonly Type RegisteredType;

			public readonly Attribute Attribute;

			public AttributeMapping(Type registeredType, Attribute attribute)
			{
				RegisteredType = registeredType;
				Attribute = attribute;
			}

			public override bool Equals(object? obj)
			{
				if (obj is AttributeMapping attributeMapping && RegisteredType.Equals(attributeMapping.RegisteredType))
				{
					return Attribute.Equals(attributeMapping.Attribute);
				}
				return false;
			}

			public override int GetHashCode()
			{
				return YamlDotNet.Core.HashCode.CombineHashCodes(RegisteredType.GetHashCode(), Attribute.GetHashCode());
			}

			public int Matches(Type matchType)
			{
				int num = 0;
				Type type = matchType;
				while (type != null)
				{
					num++;
					if (type == RegisteredType)
					{
						return num;
					}
					type = type.BaseType();
				}
				if (matchType.GetInterfaces().Contains(RegisteredType))
				{
					return num;
				}
				return 0;
			}
		}

		private readonly Dictionary<AttributeKey, List<AttributeMapping>> overrides = new Dictionary<AttributeKey, List<AttributeMapping>>();

		[return: MaybeNull]
		public T GetAttribute<T>(Type type, string member) where T : Attribute
		{
			if (overrides.TryGetValue(new AttributeKey(typeof(T), member), out List<AttributeMapping> value))
			{
				int num = 0;
				AttributeMapping attributeMapping = null;
				foreach (AttributeMapping item in value)
				{
					int num2 = item.Matches(type);
					if (num2 > num)
					{
						num = num2;
						attributeMapping = item;
					}
				}
				if (num > 0)
				{
					return (T)attributeMapping.Attribute;
				}
			}
			return null;
		}

		public void Add(Type type, string member, Attribute attribute)
		{
			AttributeMapping item = new AttributeMapping(type, attribute);
			AttributeKey key = new AttributeKey(attribute.GetType(), member);
			if (!overrides.TryGetValue(key, out List<AttributeMapping> value))
			{
				value = new List<AttributeMapping>();
				overrides.Add(key, value);
			}
			else if (value.Contains(item))
			{
				throw new InvalidOperationException($"Attribute ({attribute}) already set for Type {type.FullName}, Member {member}");
			}
			value.Add(item);
		}

		public YamlAttributeOverrides Clone()
		{
			YamlAttributeOverrides yamlAttributeOverrides = new YamlAttributeOverrides();
			foreach (KeyValuePair<AttributeKey, List<AttributeMapping>> @override in overrides)
			{
				foreach (AttributeMapping item in @override.Value)
				{
					yamlAttributeOverrides.Add(item.RegisteredType, @override.Key.PropertyName, item.Attribute);
				}
			}
			return yamlAttributeOverrides;
		}

		public void Add<TClass>(Expression<Func<TClass, object>> propertyAccessor, Attribute attribute)
		{
			PropertyInfo propertyInfo = propertyAccessor.AsProperty();
			Add(typeof(TClass), propertyInfo.Name, attribute);
		}
	}
	internal sealed class YamlAttributeOverridesInspector : ReflectionTypeInspector
	{
		public sealed class OverridePropertyDescriptor : IPropertyDescriptor
		{
			private readonly IPropertyDescriptor baseDescriptor;

			private readonly YamlAttributeOverrides overrides;

			private readonly Type classType;

			public string Name => baseDescriptor.Name;

			public bool Required => baseDescriptor.Required;

			public bool AllowNulls => baseDescriptor.AllowNulls;

			public bool CanWrite => baseDescriptor.CanWrite;

			public Type Type => baseDescriptor.Type;

			public Type? TypeOverride
			{
				get
				{
					return baseDescriptor.TypeOverride;
				}
				set
				{
					baseDescriptor.TypeOverride = value;
				}
			}

			public Type? ConverterType => GetCustomAttribute<YamlConverterAttribute>()?.ConverterType ?? baseDescriptor.ConverterType;

			public int Order
			{
				get
				{
					return baseDescriptor.Order;
				}
				set
				{
					baseDescriptor.Order = value;
				}
			}

			public ScalarStyle ScalarStyle
			{
				get
				{
					return baseDescriptor.ScalarStyle;
				}
				set
				{
					baseDescriptor.ScalarStyle = value;
				}
			}

			public OverridePropertyDescriptor(IPropertyDescriptor baseDescriptor, YamlAttributeOverrides overrides, Type classType)
			{
				this.baseDescriptor = baseDescriptor;
				this.overrides = overrides;
				this.classType = classType;
			}

			public void Write(object target, object? value)
			{
				baseDescriptor.Write(target, value);
			}

			public T? GetCustomAttribute<T>() where T : Attribute
			{
				T attribute = overrides.GetAttribute<T>(classType, Name);
				return attribute ?? baseDescriptor.GetCustomAttribute<T>();
			}

			public IObjectDescriptor Read(object target)
			{
				return baseDescriptor.Read(target);
			}
		}

		private readonly ITypeInspector innerTypeDescriptor;

		private readonly YamlAttributeOverrides overrides;

		public YamlAttributeOverridesInspector(ITypeInspector innerTypeDescriptor, YamlAttributeOverrides overrides)
		{
			this.innerTypeDescriptor = innerTypeDescriptor;
			this.overrides = overrides;
		}

		public override IEnumerable<IPropertyDescriptor> GetProperties(Type type, object? container)
		{
			IEnumerable<IPropertyDescriptor> enumerable = innerTypeDescriptor.GetProperties(type, container);
			if (overrides != null)
			{
				enumerable = enumerable.Select((Func<IPropertyDescriptor, IPropertyDescriptor>)((IPropertyDescriptor p) => new OverridePropertyDescriptor(p, overrides, type)));
			}
			return enumerable;
		}
	}
	internal sealed class YamlAttributesTypeInspector : TypeInspectorSkeleton
	{
		private readonly ITypeInspector innerTypeDescriptor;

		public YamlAttributesTypeInspector(ITypeInspector innerTypeDescriptor)
		{
			this.innerTypeDescriptor = innerTypeDescriptor;
		}

		public override string GetEnumName(Type enumType, string name)
		{
			return innerTypeDescriptor.GetEnumName(enumType, name);
		}

		public override string GetEnumValue(object enumValue)
		{
			return innerTypeDescriptor.GetEnumValue(enumValue);
		}

		public override IEnumerable<IPropertyDescriptor> GetProperties(Type type, object? container)
		{
			return from p in (from p in innerTypeDescriptor.GetProperties(type, container)
					where p.GetCustomAttribute<YamlIgnoreAttribute>() == null
					select p).Select((Func<IPropertyDescriptor, IPropertyDescriptor>)delegate(IPropertyDescriptor p)
				{
					PropertyDescriptor propertyDescriptor = new PropertyDescriptor(p);
					YamlMemberAttribute customAttribute = p.GetCustomAttribute<YamlMemberAttribute>();
					if (customAttribute != null)
					{
						if (customAttribute.SerializeAs != null)
						{
							propertyDescriptor.TypeOverride = customAttribute.SerializeAs;
						}
						propertyDescriptor.Order = customAttribute.Order;
						propertyDescriptor.ScalarStyle = customAttribute.ScalarStyle;
						if (customAttribute.Alias != null)
						{
							propertyDescriptor.Name = customAttribute.Alias;
						}
					}
					return propertyDescriptor;
				})
				orderby p.Order
				select p;
		}
	}
	[AttributeUsage(AttributeTargets.Property | AttributeTargets.Field)]
	internal sealed class YamlConverterAttribute : Attribute
	{
		public Type ConverterType { get; }

		public YamlConverterAttribute(Type converterType)
		{
			ConverterType = converterType;
		}
	}
	internal class YamlFormatter
	{
		public static YamlFormatter Default { get; } = new YamlFormatter();

		public NumberFormatInfo NumberFormat { get; set; } = new NumberFormatInfo
		{
			CurrencyDecimalSeparator = ".",
			CurrencyGroupSeparator = "_",
			CurrencyGroupSizes = new int[1] { 3 },
			CurrencySymbol = string.Empty,
			CurrencyDecimalDigits = 99,
			NumberDecimalSeparator = ".",
			NumberGroupSeparator = "_",
			NumberGroupSizes = new int[1] { 3 },
			NumberDecimalDigits = 99,
			NaNSymbol = ".nan",
			PositiveInfinitySymbol = ".inf",
			NegativeInfinitySymbol = "-.inf"
		};

		public virtual Func<object, ITypeInspector, INamingConvention, string> FormatEnum { get; set; } = delegate(object value, ITypeInspector typeInspector, INamingConvention enumNamingConvention)
		{
			string empty = string.Empty;
			empty = ((value != null) ? typeInspector.GetEnumValue(value) : string.Empty);
			return enumNamingConvention.Apply(empty);
		};

		public virtual Func<object, bool> PotentiallyQuoteEnums { get; set; } = (object _) => true;

		public string FormatNumber(object number)
		{
			return Convert.ToString(number, NumberFormat);
		}

		public string FormatNumber(double number)
		{
			return number.ToString("G", NumberFormat);
		}

		public string FormatNumber(float number)
		{
			return number.ToString("G", NumberFormat);
		}

		public string FormatBoolean(object boolean)
		{
			if (!boolean.Equals(true))
			{
				return "false";
			}
			return "true";
		}

		public string FormatDateTime(object dateTime)
		{
			return ((DateTime)dateTime).ToString("o", CultureInfo.InvariantCulture);
		}

		public string FormatTimeSpan(object timeSpan)
		{
			return ((TimeSpan)timeSpan/*cast due to .constrained prefix*/).ToString();
		}
	}
	[AttributeUsage(AttributeTargets.Property | AttributeTargets.Field, AllowMultiple = false)]
	internal sealed class YamlIgnoreAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Property | AttributeTargets.Field, AllowMultiple = false)]
	internal sealed class YamlMemberAttribute : Attribute
	{
		private DefaultValuesHandling? defaultValuesHandling;

		public string? Description { get; set; }

		public Type? SerializeAs { get; set; }

		public int Order { get; set; }

		public string? Alias { get; set; }

		public bool ApplyNamingConventions { get; set; }

		public ScalarStyle ScalarStyle { get; set; }

		public DefaultValuesHandling DefaultValuesHandling
		{
			get
			{
				return defaultValuesHandling.GetValueOrDefault();
			}
			set
			{
				defaultValuesHandling = value;
			}
		}

		public bool IsDefaultValuesHandlingSpecified => defaultValuesHandling.HasValue;

		public YamlMemberAttribute()
		{
			ScalarStyle = ScalarStyle.Any;
			ApplyNamingConventions = true;
		}

		public YamlMemberAttribute(Type serializeAs)
			: this()
		{
			SerializeAs = serializeAs ?? throw new ArgumentNullException("serializeAs");
		}
	}
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct | AttributeTargets.Enum, Inherited = false, AllowMultiple = true)]
	internal sealed class YamlSerializableAttribute : Attribute
	{
		public YamlSerializableAttribute()
		{
		}

		public YamlSerializableAttribute(Type serializableType)
		{
		}
	}
	[AttributeUsage(AttributeTargets.Class)]
	internal sealed class YamlStaticContextAttribute : Attribute
	{
	}
}
namespace YamlDotNet.Serialization.ValueDeserializers
{
	internal sealed class AliasValueDeserializer : IValueDeserializer
	{
		private sealed class AliasState : Dictionary<AnchorName, ValuePromise>, IPostDeserializationCallback
		{
			public void OnDeserialization()
			{
				foreach (ValuePromise value in base.Values)
				{
					if (!value.HasValue)
					{
						YamlDotNet.Core.Events.AnchorAlias alias = value.Alias;
						throw new AnchorNotFoundException(alias.Start, alias.End, $"Anchor '{alias.Value}' not found");
					}
				}
			}
		}

		private sealed class ValuePromise : IValuePromise
		{
			private object? value;

			public readonly YamlDotNet.Core.Events.AnchorAlias? Alias;

			public bool HasValue { get; private set; }

			public object? Value
			{
				get
				{
					if (!HasValue)
					{
						throw new InvalidOperationException("Value not set");
					}
					return value;
				}
				set
				{
					if (HasValue)
					{
						throw new InvalidOperationException("Value already set");
					}
					HasValue = true;
					this.value = value;
					this.ValueAvailable?.Invoke(value);
				}
			}

			public event Action<object?>? ValueAvailable;

			public ValuePromise(YamlDotNet.Core.Events.AnchorAlias alias)
			{
				Alias = alias;
			}

			public ValuePromise(object? value)
			{
				HasValue = true;
				this.value = value;
			}
		}

		private readonly IValueDeserializer innerDeserializer;

		public AliasValueDeserializer(IValueDeserializer innerDeserializer)
		{
			this.innerDeserializer = innerDeserializer ?? throw new ArgumentNullException("innerDeserializer");
		}

		public object? DeserializeValue(IParser parser, Type expectedType, SerializerState state, IValueDeserializer nestedObjectDeserializer)
		{
			if (parser.TryConsume<YamlDotNet.Core.Events.AnchorAlias>(out var @event))
			{
				AliasState aliasState = state.Get<AliasState>();
				if (!aliasState.TryGetValue(@event.Value, out ValuePromise value))
				{
					throw new AnchorNotFoundException(@event.Start, @event.End, $"Alias ${@event.Value} cannot precede anchor declaration");
				}
				if (!value.HasValue)
				{
					return value;
				}
				return value.Value;
			}
			AnchorName anchorName = AnchorName.Empty;
			if (parser.Accept<NodeEvent>(out var event2) && !event2.Anchor.IsEmpty)
			{
				anchorName = event2.Anchor;
				AliasState aliasState2 = state.Get<AliasState>();
				if (!aliasState2.ContainsKey(anchorName))
				{
					aliasState2[anchorName] = new ValuePromise(new YamlDotNet.Core.Events.AnchorAlias(anchorName));
				}
			}
			object obj = innerDeserializer.DeserializeValue(parser, expectedType, state, nestedObjectDeserializer);
			if (!anchorName.IsEmpty)
			{
				AliasState aliasState3 = state.Get<AliasState>();
				if (!aliasState3.TryGetValue(anchorName, out ValuePromise value2))
				{
					aliasState3.Add(anchorName, new ValuePromise(obj));
				}
				else if (!value2.HasValue)
				{
					value2.Value = obj;
				}
				else
				{
					aliasState3[anchorName] = new ValuePromise(obj);
				}
			}
			return obj;
		}
	}
	internal sealed class NodeValueDeserializer : IValueDeserializer
	{
		private readonly IList<INodeDeserializer> deserializers;

		private readonly IList<INodeTypeResolver> typeResolvers;

		private readonly ITypeConverter typeConverter;

		private readonly INamingConvention enumNamingConvention;

		private readonly ITypeInspector typeInspector;

		public NodeValueDeserializer(IList<INodeDeserializer> deserializers, IList<INodeTypeResolver> typeResolvers, ITypeConverter typeConverter, INamingConvention enumNamingConvention, ITypeInspector typeInspector)
		{
			this.deserializers = deserializers ?? throw new ArgumentNullException("deserializers");
			this.typeResolvers = typeResolvers ?? throw new ArgumentNullException("typeResolvers");
			this.typeConverter = typeConverter ?? throw new ArgumentNullException("typeConverter");
			this.enumNamingConvention = enumNamingConvention ?? throw new ArgumentNullException("enumNamingConvention");
			this.typeInspector = typeInspector;
		}

		public object? DeserializeValue(IParser parser, Type expectedType, SerializerState state, IValueDeserializer nestedObjectDeserializer)
		{
			parser.Accept<NodeEvent>(out var @event);
			Type typeFromEvent = GetTypeFromEvent(@event, expectedType);
			ObjectDeserializer rootDeserializer = (Type x) => DeserializeValue(parser, x, state, nestedObjectDeserializer);
			try
			{
				foreach (INodeDeserializer deserializer in deserializers)
				{
					if (deserializer.Deserialize(parser, typeFromEvent, (IParser r, Type t) => nestedObjectDeserializer.DeserializeValue(r, t, state, nestedObjectDeserializer), out object value, rootDeserializer))
					{
						return typeConverter.ChangeType(value, expectedType, enumNamingConvention, typeInspector);
					}
				}
			}
			catch (YamlException)
			{
				throw;
			}
			catch (Exception innerException)
			{
				throw new YamlException(@event?.Start ?? Mark.Empty, @event?.End ?? Mark.Empty, "Exception during deserialization", innerException);
			}
			throw new YamlException(@event?.Start ?? Mark.Empty, @event?.End ?? Mark.Empty, "No node deserializer was able to deserialize the node into type " + expectedType.AssemblyQualifiedName);
		}

		private Type GetTypeFromEvent(NodeEvent? nodeEvent, Type currentType)
		{
			foreach (INodeTypeResolver typeResolver in typeResolvers)
			{
				if (typeResolver.Resolve(nodeEvent, ref currentType))
				{
					break;
				}
			}
			return currentType;
		}
	}
}
namespace YamlDotNet.Serialization.Utilities
{
	internal interface IPostDeserializationCallback
	{
		void OnDeserialization();
	}
	internal interface ITypeConverter
	{
		object? ChangeType(object? value, Type expectedType, INamingConvention enumNamingConvention, ITypeInspector typeInspector);
	}
	internal class NullTypeConverter : ITypeConverter
	{
		public object? ChangeType(object? value, Type expectedType, INamingConvention enumNamingConvention, ITypeInspector typeInspector)
		{
			return value;
		}
	}
	internal sealed class ObjectAnchorCollection
	{
		private readonly Dictionary<string, object> objectsByAnchor = new Dictionary<string, object>();

		private readonly Dictionary<object, string> anchorsByObject = new Dictionary<object, string>();

		public object this[string anchor]
		{
			get
			{
				if (objectsByAnchor.TryGetValue(anchor, out object value))
				{
					return value;
				}
				throw new AnchorNotFoundException("The anchor '" + anchor + "' does not exists");
			}
		}

		public void Add(string anchor, object @object)
		{
			objectsByAnchor.Add(anchor, @object);
			if (@object != null)
			{
				anchorsByObject.Add(@object, anchor);
			}
		}

		public bool TryGetAnchor(object @object, [MaybeNullWhen(false)] out string? anchor)
		{
			return anchorsByObject.TryGetValue(@object, out anchor);
		}
	}
	internal class ReflectionTypeConverter : ITypeConverter
	{
		public object? ChangeType(object? value, Type expectedType, ITypeInspector typeInspector)
		{
			return ChangeType(value, expectedType, NullNamingConvention.Instance, typeInspector);
		}

		public object? ChangeType(object? value, Type expectedType, INamingConvention enumNamingConvention, ITypeInspector typeInspector)
		{
			return TypeConverter.ChangeType(value, expectedType, enumNamingConvention, typeInspector);
		}
	}
	internal sealed class SerializerState : IDisposable
	{
		private readonly Dictionary<Type, object> items = new Dictionary<Type, object>();

		public T Get<T>() where T : class, new()
		{
			if (!items.TryGetValue(typeof(T), out object value))
			{
				value = new T();
				items.Add(typeof(T), value);
			}
			return (T)value;
		}

		public void OnDeserialization()
		{
			foreach (IPostDeserializationCallback item in items.Values.OfType<IPostDeserializationCallback>())
			{
				item.OnDeserialization();
			}
		}

		public void Dispose()
		{
			foreach (IDisposable item in items.Values.OfType<IDisposable>())
			{
				item.Dispose();
			}
		}
	}
	internal static class StringExtensions
	{
		private static string ToCamelOrPascalCase(string str, Func<char, char> firstLetterTransform)
		{
			string text = Regex.Replace(str, "([_\\-])(?<char>[a-z])", (Match match) => match.Groups["char"].Value.ToUpperInvariant(), RegexOptions.IgnoreCase);
			return firstLetterTransform(text[0]) + text.Substring(1);
		}

		public static string ToCamelCase(this string str)
		{
			return ToCamelOrPascalCase(str, char.ToLowerInvariant);
		}

		public static string ToPascalCase(this string str)
		{
			return ToCamelOrPascalCase(str, char.ToUpperInvariant);
		}

		public static string FromCamelCase(this string str, string separator)
		{
			str = char.ToLower(str[0], CultureInfo.InvariantCulture) + str.Substring(1);
			str = Regex.Replace(str.ToCamelCase(), "(?<char>[A-Z])", (Match match) => separator + match.Groups["char"].Value.ToLowerInvariant());
			return str;
		}
	}
	internal static class TypeConverter
	{
		public static T ChangeType<T>(object? value, INamingConvention enumNamingConvention, ITypeInspector typeInspector)
		{
			return (T)ChangeType(value, typeof(T), enumNamingConvention, typeInspector);
		}

		public static object? ChangeType(object? value, Type destinationType, INamingConvention enumNamingConvention, ITypeInspector typeInspector)
		{
			return ChangeType(value, destinationType, CultureInfo.InvariantCulture, enumNamingConvention, typeInspector);
		}

		public static object? ChangeType(object? value, Type destinationType, IFormatProvider provider, INamingConvention enumNamingConvention, ITypeInspector typeInspector)
		{
			return ChangeType(value, destinationType, new CultureInfoAdapter(CultureInfo.CurrentCulture, provider), enumNamingConvention, typeInspector);
		}

		public static object? ChangeType(object? value, Type destinationType, CultureInfo culture, INamingConvention enumNamingConvention, ITypeInspector typeInspector)
		{
			if (value == null || value.IsDbNull())
			{
				if (!destinationType.IsValueType())
				{
					return null;
				}
				return Activator.CreateInstance(destinationType);
			}
			Type type = value.GetType();
			if (destinationType == type || destinationType.IsAssignableFrom(type))
			{
				return value;
			}
			if (destinationType.IsGenericType())
			{
				Type genericTypeDefinition = destinationType.GetGenericTypeDefinition();
				if (genericTypeDefinition == typeof(Nullable<>) || FsharpHelper.IsOptionType(genericTypeDefinition))
				{
					Type destinationType2 = destinationType.GetGenericArguments()[0];
					object obj = ChangeType(value, destinationType2, culture, enumNamingConvention, typeInspector);
					return Activator.CreateInstance(destinationType, obj);
				}
			}
			if (destinationType.IsEnum())
			{
				object result = value;
				if (value is string value2)
				{
					string name = enumNamingConvention.Reverse(value2);
					name = typeInspector.GetEnumName(destinationType, name);
					result = Enum.Parse(destinationType, name, ignoreCase: true);
				}
				return result;
			}
			if (destinationType == typeof(bool))
			{
				if ("0".Equals(value))
				{
					return false;
				}
				if ("1".Equals(value))
				{
					return true;
				}
			}
			System.ComponentModel.TypeConverter converter = TypeDescriptor.GetConverter(type);
			if (converter != null && converter.CanConvertTo(destinationType))
			{
				return converter.ConvertTo(null, culture, value, destinationType);
			}
			System.ComponentModel.TypeConverter converter2 = TypeDescriptor.GetConverter(destinationType);
			if (converter2 != null && converter2.CanConvertFrom(type))
			{
				return converter2.ConvertFrom(null, culture, value);
			}
			Type[] array = new Type[2] { type, destinationType };
			foreach (Type type2 in array)
			{
				foreach (MethodInfo publicStaticMethod2 in type2.GetPublicStaticMethods())
				{
					if (!publicStaticMethod2.IsSpecialName || (!(publicStaticMethod2.Name == "op_Implicit") && !(publicStaticMethod2.Name == "op_Explicit")) || !destinationType.IsAssignableFrom(publicStaticMethod2.ReturnParameter.ParameterType))
					{
						continue;
					}
					ParameterInfo[] parameters = publicStaticMethod2.GetParameters();
					if (parameters.Length == 1 && parameters[0].ParameterType.IsAssignableFrom(type))
					{
						try
						{
							return publicStaticMethod2.Invoke(null, new object[1] { value });
						}
						catch (TargetInvocationException ex)
						{
							throw ex.InnerException;
						}
					}
				}
			}
			if (type == typeof(string))
			{
				try
				{
					MethodInfo publicStaticMethod = destinationType.GetPublicStaticMethod("Parse", typeof(string), typeof(IFormatProvider));
					if (publicStaticMethod != null)
					{
						return publicStaticMethod.Invoke(null, new object[2] { value, culture });
					}
					publicStaticMethod = destinationType.GetPublicStaticMethod("Parse", typeof(string));
					if (publicStaticMethod != null)
					{
						return publicStaticMethod.Invoke(null, new object[1] { value });
					}
				}
				catch (TargetInvocationException ex2)
				{
					throw ex2.InnerException;
				}
			}
			if (destinationType == typeof(TimeSpan))
			{
				return TimeSpan.Parse((string)ChangeType(value, typeof(string), CultureInfo.InvariantCulture, enumNamingConvention, typeInspector), CultureInfo.InvariantCulture);
			}
			return Convert.ChangeType(value, destinationType, CultureInfo.InvariantCulture);
		}

		public static void RegisterTypeConverter<TConvertible, TConverter>() where TConverter : System.ComponentModel.TypeConverter
		{
			if (!TypeDescriptor.GetAttributes(typeof(TConvertible)).OfType<TypeConverterAttribute>().Any((TypeConverterAttribute a) => a.ConverterTypeName == typeof(TConverter).AssemblyQualifiedName))
			{
				TypeDescriptor.AddAttributes(typeof(TConvertible), new TypeConverterAttribute(typeof(TConverter)));
			}
		}
	}
	internal sealed class TypeConverterCache
	{
		private readonly IYamlTypeConverter[] typeConverters;

		private readonly ConcurrentDictionary<Type, (bool HasMatch, IYamlTypeConverter? TypeConverter)> cache = new ConcurrentDictionary<Type, (bool, IYamlTypeConverter)>();

		public TypeConverterCache(IEnumerable<IYamlTypeConverter>? typeConverters)
			: this(typeConverters?.ToArray() ?? Array.Empty<IYamlTypeConverter>())
		{
		}

		public TypeConverterCache(IYamlTypeConverter[] typeConverters)
		{
			this.typeConverters = typeConverters;
		}

		public bool TryGetConverterForType(Type type, [NotNullWhen(true)] out IYamlTypeConverter? typeConverter)
		{
			(bool, IYamlTypeConverter) orAdd = DictionaryExtensions.GetOrAdd(cache, type, (Type t, IYamlTypeConverter[] tc) => LookupTypeConverter(t, tc), typeConverters);
			typeConverter = orAdd.Item2;
			return orAdd.Item1;
		}

		public IYamlTypeConverter GetConverterByType(Type converter)
		{
			IYamlTypeConverter[] array = typeConverters;
			foreach (IYamlTypeConverter yamlTypeConverter in array)
			{
				if (yamlTypeConverter.GetType() == converter)
				{
					return yamlTypeConverter;
				}
			}
			throw new ArgumentException("IYamlTypeConverter of type " + converter.FullName + " not found", "converter");
		}

		private static (bool HasMatch, IYamlTypeConverter? TypeConverter) LookupTypeConverter(Type type, IYamlTypeConverter[] typeConverters)
		{
			foreach (IYamlTypeConverter yamlTypeConverter in typeConverters)
			{
				if (yamlTypeConverter.Accepts(type))
				{
					return (HasMatch: true, TypeConverter: yamlTypeConverter);
				}
			}
			return (HasMatch: false, TypeConverter: null);
		}
	}
}
namespace YamlDotNet.Serialization.TypeResolvers
{
	internal sealed class DynamicTypeResolver : ITypeResolver
	{
		public Type Resolve(Type staticType, object? actualValue)
		{
			if (actualValue == null)
			{
				return staticType;
			}
			return actualValue.GetType();
		}
	}
	internal class StaticTypeResolver : ITypeResolver
	{
		public virtual Type Resolve(Type staticType, object? actualValue)
		{
			if (actualValue != null)
			{
				if (actualValue.GetType().IsEnum)
				{
					return staticType;
				}
				switch (actualValue.GetType().GetTypeCode())
				{
				case TypeCode.Boolean:
					return typeof(bool);
				case TypeCode.Char:
					return typeof(char);
				case TypeCode.SByte:
					return typeof(sbyte);
				case TypeCode.Byte:
					return typeof(byte);
				case TypeCode.Int16:
					return typeof(short);
				case TypeCode.UInt16:
					return typeof(ushort);
				case TypeCode.Int32:
					return typeof(int);
				case TypeCode.UInt32:
					return typeof(uint);
				case TypeCode.Int64:
					return typeof(long);
				case TypeCode.UInt64:
					return typeof(ulong);
				case TypeCode.Single:
					return typeof(float);
				case TypeCode.Double:
					return typeof(double);
				case TypeCode.Decimal:
					return typeof(decimal);
				case TypeCode.String:
					return typeof(string);
				case TypeCode.DateTime:
					return typeof(DateTime);
				}
			}
			return staticType;
		}
	}
}
namespace YamlDotNet.Serialization.TypeInspectors
{
	internal class CachedTypeInspector : TypeInspectorSkeleton
	{
		private readonly ITypeInspector innerTypeDescriptor;

		private readonly ConcurrentDictionary<Type, List<IPropertyDescriptor>> cache = new ConcurrentDictionary<Type, List<IPropertyDescriptor>>();

		private readonly ConcurrentDictionary<Type, ConcurrentDictionary<string, string>> enumNameCache = new ConcurrentDictionary<Type, ConcurrentDictionary<string, string>>();

		private readonly ConcurrentDictionary<object, string> enumValueCache = new ConcurrentDictionary<object, string>();

		public CachedTypeInspector(ITypeInspector innerTypeDescriptor)
		{
			this.innerTypeDescriptor = innerTypeDescriptor ?? throw new ArgumentNullException("innerTypeDescriptor");
		}

		public override string GetEnumName(Type enumType, string name)
		{
			ConcurrentDictionary<string, string> orAdd = enumNameCache.GetOrAdd(enumType, (Type _) => new ConcurrentDictionary<string, string>());
			return DictionaryExtensions.GetOrAdd(orAdd, name, delegate(string n, (Type enumType, ITypeInspector innerTypeDescriptor) context)
			{
				var (enumType2, typeInspector) = context;
				return typeInspector.GetEnumName(enumType2, n);
			}, (enumType, innerTypeDescriptor));
		}

		public override string GetEnumValue(object enumValue)
		{
			return DictionaryExtensions.GetOrAdd(enumValueCache, enumValue, delegate(object _, (object enumValue, ITypeInspector innerTypeDescriptor) context)
			{
				var (enumValue2, typeInspector) = context;
				return typeInspector.GetEnumValue(enumValue2);
			}, (enumValue, innerTypeDescriptor));
		}

		public override IEnumerable<IPropertyDescriptor> GetProperties(Type type, object? container)
		{
			return DictionaryExtensions.GetOrAdd(cache, type, delegate(Type t, (object container, ITypeInspector innerTypeDescriptor) context)
			{
				var (container2, typeInspector) = context;
				return typeInspector.GetProperties(t, container2).ToList();
			}, (container, innerTypeDescriptor));
		}
	}
	internal class CompositeTypeInspector : TypeInspectorSkeleton
	{
		private readonly IEnumerable<ITypeInspector> typeInspectors;

		public CompositeTypeInspector(params ITypeInspector[] typeInspectors)
			: this((IEnumerable<ITypeInspector>)typeInspectors)
		{
		}

		public CompositeTypeInspector(IEnumerable<ITypeInspector> typeInspectors)
		{
			this.typeInspectors = typeInspectors?.ToList() ?? throw new ArgumentNullException("typeInspectors");
		}

		public override string GetEnumName(Type enumType, string name)
		{
			foreach (ITypeInspector typeInspector in typeInspectors)
			{
				try
				{
					return typeInspector.GetEnumName(enumType, name);
				}
				catch
				{
				}
			}
			throw new ArgumentOutOfRangeException("enumType,name", "Name not found on enum type");
		}

		public override string GetEnumValue(object enumValue)
		{
			if (enumValue == null)
			{
				throw new ArgumentNullException("enumValue");
			}
			foreach (ITypeInspector typeInspector in typeInspectors)
			{
				try
				{
					return typeInspector.GetEnumValue(enumValue);
				}
				catch
				{
				}
			}
			throw new ArgumentOutOfRangeException("enumValue", $"Value not found for ({enumValue})");
		}

		public override IEnumerable<IPropertyDescriptor> GetProperties(Type type, object? container)
		{
			return typeInspectors.SelectMany((ITypeInspector i) => i.GetProperties(type, container));
		}
	}
	internal class NamingConventionTypeInspector : TypeInspectorSkeleton
	{
		private readonly ITypeInspector innerTypeDescriptor;

		private readonly INamingConvention namingConvention;

		public NamingConventionTypeInspector(ITypeInspector innerTypeDescriptor, INamingConvention namingConvention)
		{
			this.innerTypeDescriptor = innerTypeDescriptor ?? throw new ArgumentNullException("innerTypeDescriptor");
			this.namingConvention = namingConvention ?? throw new ArgumentNullException("namingConvention");
		}

		public override string GetEnumName(Type enumType, string name)
		{
			return innerTypeDescriptor.GetEnumName(enumType, name);
		}

		public override string GetEnumValue(object enumValue)
		{
			return innerTypeDescriptor.GetEnumValue(enumValue);
		}

		public override IEnumerable<IPropertyDescriptor> GetProperties(Type type, object? container)
		{
			return innerTypeDescriptor.GetProperties(type, container).Select(delegate(IPropertyDescriptor p)
			{
				YamlMemberAttribute customAttribute = p.GetCustomAttribute<YamlMemberAttribute>();
				return (customAttribute != null && !customAttribute.ApplyNamingConventions) ? p : new PropertyDescriptor(p)
				{
					Name = namingConvention.Apply(p.Name)
				};
			});
		}
	}
	internal class ReadableAndWritablePropertiesTypeInspector : TypeInspectorSkeleton
	{
		private readonly ITypeInspector innerTypeDescriptor;

		public ReadableAndWritablePropertiesTypeInspector(ITypeInspector innerTypeDescriptor)
		{
			this.innerTypeDescriptor = innerTypeDescriptor ?? throw new ArgumentNullException("innerTypeDescriptor");
		}

		public override string GetEnumName(Type enumType, string name)
		{
			return innerTypeDescriptor.GetEnumName(enumType, name);
		}

		public override string GetEnumValue(object enumValue)
		{
			return innerTypeDescriptor.GetEnumValue(enumValue);
		}

		public override IEnumerable<IPropertyDescriptor> GetProperties(Type type, object? container)
		{
			return from p in innerTypeDescriptor.GetProperties(type, container)
				where p.CanWrite
				select p;
		}
	}
	internal class ReadableFieldsTypeInspector : ReflectionTypeInspector
	{
		protected class ReflectionFieldDescriptor : IPropertyDescriptor
		{
			private readonly FieldInfo fieldInfo;

			private readonly ITypeResolver typeResolver;

			public string Name => fieldInfo.Name;

			public bool Required => fieldInfo.IsRequired();

			public Type Type => fieldInfo.FieldType;

			public Type? ConverterType { get; }

			public Type? TypeOverride { get; set; }

			public bool AllowNulls => fieldInfo.AcceptsNull();

			public int Order { get; set; }

			public bool CanWrite => !fieldInfo.IsInitOnly;

			public ScalarStyle ScalarStyle { get; set; }

			public ReflectionFieldDescriptor(FieldInfo fieldInfo, ITypeResolver typeResolver)
			{
				this.fieldInfo = fieldInfo;
				this.typeResolver = typeResolver;
				YamlConverterAttribute customAttribute = fieldInfo.GetCustomAttribute<YamlConverterAttribute>();
				if (customAttribute != null)
				{
					ConverterType = customAttribute.ConverterType;
				}
				ScalarStyle = ScalarStyle.Any;
			}

			public void Write(object target, object? value)
			{
				fieldInfo.SetValue(target, value);
			}

			public T? GetCustomAttribute<T>() where T : Attribute
			{
				object[] customAttributes = fieldInfo.GetCustomAttributes(typeof(T), inherit: true);
				return (T)customAttributes.FirstOrDefault();
			}

			public IObjectDescriptor Read(object target)
			{
				object value = fieldInfo.GetValue(target);
				Type type = TypeOverride ?? typeResolver.Resolve(Type, value);
				return new ObjectDescriptor(value, type, Type, ScalarStyle);
			}
		}

		private readonly ITypeResolver typeResolver;

		public ReadableFieldsTypeInspector(ITypeResolver typeResolver)
		{
			this.typeResolver = typeResolver ?? throw new ArgumentNullException("typeResolver");
		}

		public override IEnumerable<IPropertyDescriptor> GetProperties(Type type, object? container)
		{
			return type.GetPublicFields().Select((Func<FieldInfo, IPropertyDescriptor>)((FieldInfo p) => new ReflectionFieldDescriptor(p, typeResolver)));
		}
	}
	internal class ReadablePropertiesTypeInspector : ReflectionTypeInspector
	{
		protected class ReflectionPropertyDescriptor : IPropertyDescriptor
		{
			private readonly PropertyInfo propertyInfo;

			private readonly ITypeResolver typeResolver;

			public string Name => propertyInfo.Name;

			public bool Required => propertyInfo.IsRequired();

			public Type Type => propertyInfo.PropertyType;

			public Type? TypeOverride { get; set; }

			public Type? ConverterType { get; set; }

			public bool AllowNulls => propertyInfo.AcceptsNull();

			public int Order { get; set; }

			public bool CanWrite => propertyInfo.CanWrite;

			public ScalarStyle ScalarStyle { get; set; }

			public ReflectionPropertyDescriptor(PropertyInfo propertyInfo, ITypeResolver typeResolver)
			{
				this.propertyInfo = propertyInfo ?? throw new ArgumentNullException("propertyInfo");
				this.typeResolver = typeResolver ?? throw new ArgumentNullException("typeResolver");
				ScalarStyle = ScalarStyle.Any;
				YamlConverterAttribute customAttribute = propertyInfo.GetCustomAttribute<YamlConverterAttribute>();
				if (customAttribute != null)
				{
					ConverterType = customAttribute.ConverterType;
				}
			}

			public void Write(object target, object? value)
			{
				propertyInfo.SetValue(target, value, null);
			}

			public T? GetCustomAttribute<T>() where T : Attribute
			{
				Attribute[] allCustomAttributes = propertyInfo.GetAllCustomAttributes<T>();
				return (T)allCustomAttributes.FirstOrDefault();
			}

			public IObjectDescriptor Read(object target)
			{
				object obj = propertyInfo.ReadValue(target);
				Type type = TypeOverride ?? typeResolver.Resolve(Type, obj);
				return new ObjectDescriptor(obj, type, Type, ScalarStyle);
			}
		}

		private readonly ITypeResolver typeResolver;

		private readonly bool includeNonPublicProperties;

		public ReadablePropertiesTypeInspector(ITypeResolver typeResolver)
			: this(typeResolver, includeNonPublicProperties: false)
		{
		}

		public ReadablePropertiesTypeInspector(ITypeResolver typeResolver, bool includeNonPublicProperties)
		{
			this.typeResolver = typeResolver ?? throw new ArgumentNullException("typeResolver");
			this.includeNonPublicProperties = includeNonPublicProperties;
		}

		private static bool IsValidProperty(PropertyInfo property)
		{
			if (property.CanRead)
			{
				return property.GetGetMethod(nonPublic: true).GetParameters().Length == 0;
			}
			return false;
		}

		public override IEnumerable<IPropertyDescriptor> GetProperties(Type type, object? container)
		{
			return type.GetProperties(includeNonPublicProperties).Where(IsValidProperty).Select((Func<PropertyInfo, IPropertyDescriptor>)((PropertyInfo p) => new ReflectionPropertyDescriptor(p, typeResolver)));
		}
	}
	internal abstract class ReflectionTypeInspector : TypeInspectorSkeleton
	{
		public override string GetEnumName(Type enumType, string name)
		{
			return name;
		}

		public override string GetEnumValue(object enumValue)
		{
			if (enumValue == null)
			{
				return string.Empty;
			}
			return enumValue.ToString();
		}
	}
	internal abstract class TypeInspectorSkeleton : ITypeInspector
	{
		public abstract string GetEnumName(Type enumType, string name);

		public abstract string GetEnumValue(object enumValue);

		public abstract IEnumerable<IPropertyDescriptor> GetProperties(Type type, object? container);

		public IPropertyDescriptor GetProperty(Type type, object? container, string name, [MaybeNullWhen(true)] bool ignoreUnmatched, bool caseInsensitivePropertyMatching)
		{
			IEnumerable<IPropertyDescriptor> enumerable = ((!caseInsensitivePropertyMatching) ? (from p in GetProperties(type, container)
				where p.Name == name
				select p) : (from p in GetProperties(type, container)
				where p.Name.Equals(name, StringComparison.OrdinalIgnoreCase)
				select p));
			using IEnumerator<IPropertyDescriptor> enumerator = enumerable.GetEnumerator();
			if (!enumerator.MoveNext())
			{
				if (ignoreUnmatched)
				{
					return null;
				}
				throw new SerializationException("Property '" + name + "' not found on type '" + type.FullName + "'.");
			}
			IPropertyDescriptor current = enumerator.Current;
			if (enumerator.MoveNext())
			{
				throw new SerializationException("Multiple properties with the name/alias '" + name + "' already exists on type '" + type.FullName + "', maybe you're misusing YamlAlias or maybe you are using the wrong naming convention? The matching properties are: " + string.Join(", ", enumerable.Select((IPropertyDescriptor p) => p.Name).ToArray()));
			}
			return current;
		}
	}
	internal class WritablePropertiesTypeInspector : ReflectionTypeInspector
	{
		protected class ReflectionPropertyDescriptor : IPropertyDescriptor
		{
			private readonly PropertyInfo propertyInfo;

			private readonly ITypeResolver typeResolver;

			public string Name => propertyInfo.Name;

			public bool Required => propertyInfo.IsRequired();

			public Type Type => propertyInfo.PropertyType;

			public Type? TypeOverride { get; set; }

			public Type? ConverterType { get; set; }

			public bool AllowNulls => propertyInfo.AcceptsNull();

			public int Order { get; set; }

			public bool CanWrite => propertyInfo.CanWrite;

			public ScalarStyle ScalarStyle { get; set; }

			public ReflectionPropertyDescriptor(PropertyInfo propertyInfo, ITypeResolver typeResolver)
			{
				this.propertyInfo = propertyInfo ?? throw new ArgumentNullException("propertyInfo");
				this.typeResolver = typeResolver ?? throw new ArgumentNullException("typeResolver");
				ScalarStyle = ScalarStyle.Any;
				YamlConverterAttribute customAttribute = propertyInfo.GetCustomAttribute<YamlConverterAttribute>();
				if (customAttribute != null)
				{
					ConverterType = customAttribute.ConverterType;
				}
			}

			public void Write(object target, object? value)
			{
				propertyInfo.SetValue(target, value, null);
			}

			public T? GetCustomAttribute<T>() where T : Attribute
			{
				Attribute[] allCustomAttributes = propertyInfo.GetAllCustomAttributes<T>();
				return (T)allCustomAttributes.FirstOrDefault();
			}

			public IObjectDescriptor Read(object target)
			{
				object obj = propertyInfo.ReadValue(target);
				Type type = TypeOverride ?? typeResolver.Resolve(Type, obj);
				return new ObjectDescriptor(obj, type, Type, ScalarStyle);
			}
		}

		private readonly ITypeResolver typeResolver;

		private readonly bool includeNonPublicProperties;

		public WritablePropertiesTypeInspector(ITypeResolver typeResolver)
			: this(typeResolver, includeNonPublicProperties: false)
		{
		}

		public WritablePropertiesTypeInspector(ITypeResolver typeResolver, bool includeNonPublicProperties)
		{
			this.typeResolver = typeResolver ?? throw new ArgumentNullException("typeResolver");
			this.includeNonPublicProperties = includeNonPublicProperties;
		}

		private static bool IsValidProperty(PropertyInfo property)
		{
			if (property.CanWrite)
			{
				return property.GetSetMethod(nonPublic: true).GetParameters().Length == 1;
			}
			return false;
		}

		public override IEnumerable<IPropertyDescriptor> GetProperties(Type type, object? container)
		{
			return type.GetProperties(includeNonPublicProperties).Where(IsValidProperty).Select((Func<PropertyInfo, IPropertyDescriptor>)((PropertyInfo p) => new ReflectionPropertyDescriptor(p, typeResolver)))
				.ToArray();
		}
	}
}
namespace YamlDotNet.Serialization.Schemas
{
	internal sealed class FailsafeSchema
	{
		public static class Tags
		{
			public static readonly TagName Map = new TagName("tag:yaml.org,2002:map");

			public static readonly TagName Seq = new TagName("tag:yaml.org,2002:seq");

			public static readonly TagName Str = new TagName("tag:yaml.org,2002:str");
		}
	}
	internal sealed class JsonSchema
	{
		public static class Tags
		{
			public static readonly TagName Null = new TagName("tag:yaml.org,2002:null");

			public static readonly TagName Bool = new TagName("tag:yaml.org,2002:bool");

			public static readonly TagName Int = new TagName("tag:yaml.org,2002:int");

			public static readonly TagName Float = new TagName("tag:yaml.org,2002:float");
		}
	}
	internal sealed class CoreSchema
	{
		public static class Tags
		{
		}
	}
	internal sealed class DefaultSchema
	{
		public static class Tags
		{
			public static readonly TagName Timestamp = new TagName("tag:yaml.org,2002:timestamp");
		}
	}
}
namespace YamlDotNet.Serialization.ObjectGraphVisitors
{
	internal sealed class AnchorAssigner : PreProcessingPhaseObjectGraphVisitorSkeleton, IAliasProvider
	{
		private class AnchorAssignment
		{
			public AnchorName Anchor;
		}

		private readonly Dictionary<object, AnchorAssignment> assignments = new Dictionary<object, AnchorAssignment>();

		private uint nextId;

		public AnchorAssigner(IEnumerable<IYamlTypeConverter> typeConverters)
			: base(typeConverters)
		{
		}

		protected override bool Enter(IObjectDescriptor value, ObjectSerializer serializer)
		{
			if (value.Value != null && assignments.TryGetValue(value.Value, out AnchorAssignment value2))
			{
				if (value2.Anchor.IsEmpty)
				{
					value2.Anchor = new AnchorName("o" + nextId.ToString(CultureInfo.InvariantCulture));
					nextId++;
				}
				return false;
			}
			return true;
		}

		protected override bool EnterMapping(IObjectDescriptor key, IObjectDescriptor value, ObjectSerializer serializer)
		{
			return true;
		}

		protected override bool EnterMapping(IPropertyDescriptor key, IObjectDescriptor value, ObjectSerializer serializer)
		{
			return true;
		}

		protected override void VisitScalar(IObjectDescriptor scalar, ObjectSerializer serializer)
		{
		}

		protected override void VisitMappingStart(IObjectDescriptor mapping, Type keyType, Type valueType, ObjectSerializer serializer)
		{
			VisitObject(mapping);
		}

		protected override void VisitMappingEnd(IObjectDescriptor mapping, ObjectSerializer serializer)
		{
		}

		protected override void VisitSequenceStart(IObjectDescriptor sequence, Type elementType, ObjectSerializer serializer)
		{
			VisitObject(sequence);
		}

		protected override void VisitSequenceEnd(IObjectDescriptor sequence, ObjectSerializer serializer)
		{
		}

		private void VisitObject(IObjectDescriptor value)
		{
			if (value.Value != null)
			{
				assignments.Add(value.Value, new AnchorAssignment());
			}
		}

		AnchorName IAliasProvider.GetAlias(object target)
		{
			if (target != null && assignments.TryGetValue(target, out AnchorAssignment value))
			{
				return value.Anchor;
			}
			return AnchorName.Empty;
		}
	}
	internal sealed class AnchorAssigningObjectGraphVisitor : ChainedObjectGraphVisitor
	{
		private readonly IEventEmitter eventEmitter;

		private readonly IAliasProvider aliasProvider;

		private readonly HashSet<AnchorName> emittedAliases = new HashSet<AnchorName>();

		public AnchorAssigningObjectGraphVisitor(IObjectGraphVisitor<IEmitter> nextVisitor, IEventEmitter eventEmitter, IAliasProvider aliasProvider)
			: base(nextVisitor)
		{
			this.eventEmitter = eventEmitter;
			this.aliasProvider = aliasProvider;
		}

		public override bool Enter(IPropertyDescriptor? propertyDescriptor, IObjectDescriptor value, IEmitter context, ObjectSerializer serializer)
		{
			if (value.Value != null)
			{
				AnchorName alias = aliasProvider.GetAlias(value.Value);
				if (!alias.IsEmpty && !emittedAliases.Add(alias))
				{
					AliasEventInfo aliasEventInfo = new AliasEventInfo(value, alias);
					eventEmitter.Emit(aliasEventInfo, context);
					return aliasEventInfo.NeedsExpansion;
				}
			}
			return base.Enter(propertyDescriptor, value, context, serializer);
		}

		public override void VisitMappingStart(IObjectDescriptor mapping, Type keyType, Type valueType, IEmitter context, ObjectSerializer serializer)
		{
			AnchorName alias = aliasProvider.GetAlias(mapping.NonNullValue());
			eventEmitter.Emit(new MappingStartEventInfo(mapping)
			{
				Anchor = alias
			}, context);
		}

		public override void VisitSequenceStart(IObjectDescriptor sequence, Type elementType, IEmitter context, ObjectSerializer serializer)
		{
			AnchorName alias = aliasProvider.GetAlias(sequence.NonNullValue());
			eventEmitter.Emit(new SequenceStartEventInfo(sequence)
			{
				Anchor = alias
			}, context);
		}

		public override void VisitScalar(IObjectDescriptor scalar, IEmitter context, ObjectSerializer serializer)
		{
			ScalarEventInfo scalarEventInfo = new ScalarEventInfo(scalar);
			if (scalar.Value != null)
			{
				scalarEventInfo.Anchor = aliasProvider.GetAlias(scalar.Value);
			}
			eventEmitter.Emit(scalarEventInfo, context);
		}
	}
	internal abstract class ChainedObjectGraphVisitor : IObjectGraphVisitor<IEmitter>
	{
		private readonly IObjectGraphVisitor<IEmitter> nextVisitor;

		protected ChainedObjectGraphVisitor(IObjectGraphVisitor<IEmitter> nextVisitor)
		{
			this.nextVisitor = nextVisitor;
		}

		public virtual bool Enter(IPropertyDescriptor? propertyDescriptor, IObjectDescriptor value, IEmitter context, ObjectSerializer serializer)
		{
			return nextVisitor.Enter(propertyDescriptor, value, context, serializer);
		}

		public virtual bool EnterMapping(IObjectDescriptor key, IObjectDescriptor value, IEmitter context, ObjectSerializer serializer)
		{
			return nextVisitor.EnterMapping(key, value, context, serializer);
		}

		public virtual bool EnterMapping(IPropertyDescriptor key, IObjectDescriptor value, IEmitter context, ObjectSerializer serializer)
		{
			return nextVisitor.EnterMapping(key, value, context, serializer);
		}

		public virtual void VisitScalar(IObjectDescriptor scalar, IEmitter context, ObjectSerializer serializer)
		{
			nextVisitor.VisitScalar(scalar, context, serializer);
		}

		public virtual void VisitMappingStart(IObjectDescriptor mapping, Type keyType, Type valueType, IEmitter context, ObjectSerializer serializer)
		{
			nextVisitor.VisitMappingStart(mapping, keyType, valueType, context, serializer);
		}

		public virtual void VisitMappingEnd(IObjectDescriptor mapping, IEmitter context, ObjectSerializer serializer)
		{
			nextVisitor.VisitMappingEnd(mapping, context, serializer);
		}

		public virtual void VisitSequenceStart(IObjectDescriptor sequence, Type elementType, IEmitter context, ObjectSerializer serializer)
		{
			nextVisitor.VisitSequenceStart(sequence, elementType, context, serializer);
		}

		public virtual void VisitSequenceEnd(IObjectDescriptor sequence, IEmitter context, ObjectSerializer serializer)
		{
			nextVisitor.VisitSequenceEnd(sequence, context, serializer);
		}
	}
	internal sealed class CommentsObjectGraphVisitor : ChainedObjectGraphVisitor
	{
		public CommentsObjectGraphVisitor(IObjectGraphVisitor<IEmitter> nextVisitor)
			: base(nextVisitor)
		{
		}

		public override bool EnterMapping(IPropertyDescriptor key, IObjectDescriptor value, IEmitter context, ObjectSerializer serializer)
		{
			YamlMemberAttribute customAttribute = key.GetCustomAttribute<YamlMemberAttribute>();
			if (customAttribute != null && customAttribute.Description != null)
			{
				context.Emit(new YamlDotNet.Core.Events.Comment(customAttribute.Description, isInline: false));
			}
			return base.EnterMapping(key, value, context, serializer);
		}
	}
	internal sealed class CustomSerializationObjectGraphVisitor : ChainedObjectGraphVisitor
	{
		private readonly TypeConverterCache typeConverters;

		private readonly ObjectSerializer nestedObjectSerializer;

		public CustomSerializationObjectGraphVisitor(IObjectGraphVisitor<IEmitter> nextVisitor, IEnumerable<IYamlTypeConverter> typeConverters, ObjectSerializer nestedObjectSerializer)
			: base(nextVisitor)
		{
			this.typeConverters = new TypeConverterCache(typeConverters);
			this.nestedObjectSerializer = nestedObjectSerializer;
		}

		public override bool Enter(IPropertyDescriptor? propertyDescriptor, IObjectDescriptor value, IEmitter context, ObjectSerializer serializer)
		{
			if (propertyDescriptor?.ConverterType != null)
			{
				IYamlTypeConverter converterByType = typeConverters.GetConverterByType(propertyDescriptor.ConverterType);
				converterByType.WriteYaml(context, value.Value, value.Type, serializer);
				return false;
			}
			if (typeConverters.TryGetConverterForType(value.Type, out IYamlTypeConverter typeConverter))
			{
				typeConverter.WriteYaml(context, value.Value, value.Type, serializer);
				return false;
			}
			if (value.Value is IYamlConvertible yamlConvertible)
			{
				yamlConvertible.Write(context, nestedObjectSerializer);
				return false;
			}
			if (value.Value is IYamlSerializable yamlSerializable)
			{
				yamlSerializable.WriteYaml(context);
				return false;
			}
			return base.Enter(propertyDescriptor, value, context, serializer);
		}
	}
	internal sealed class DefaultExclusiveObjectGraphVisitor : ChainedObjectGraphVisitor
	{
		public DefaultExclusiveObjectGraphVisitor(IObjectGraphVisitor<IEmitter> nextVisitor)
			: base(nextVisitor)
		{
		}

		private static object? GetDefault(Type type)
		{
			if (!type.IsValueType())
			{
				return null;
			}
			return Activator.CreateInstance(type);
		}

		public override bool EnterMapping(IObjectDescriptor key, IObjectDescriptor value, IEmitter context, ObjectSerializer serializer)
		{
			if (!object.Equals(value.Value, GetDefault(value.Type)))
			{
				return base.EnterMapping(key, value, context, serializer);
			}
			return false;
		}

		public override bool EnterMapping(IPropertyDescriptor key, IObjectDescriptor value, IEmitter context, ObjectSerializer serializer)
		{
			DefaultValueAttribute customAttribute = key.GetCustomAttribute<DefaultValueAttribute>();
			object objB = ((customAttribute != null) ? customAttribute.Value : GetDefault(key.Type));
			if (!object.Equals(value.Value, objB))
			{
				return base.EnterMapping(key, value, context, serializer);
			}
			return false;
		}
	}
	internal sealed class DefaultValuesObjectGraphVisitor : ChainedObjectGraphVisitor
	{
		private readonly DefaultValuesHandling handling;

		private readonly IObjectFactory factory;

		public DefaultValuesObjectGraphVisitor(DefaultValuesHandling handling, IObjectGraphVisitor<IEmitter> nextVisitor, IObjectFactory factory)
			: base(nextVisitor)
		{
			this.handling = handling;
			this.factory = factory;
		}

		private object? GetDefault(Type type)
		{
			return factory.CreatePrimitive(type);
		}

		public override bool EnterMapping(IPropertyDescriptor key, IObjectDescriptor value, IEmitter context, ObjectSerializer serializer)
		{
			DefaultValuesHandling defaultValuesHandling = handling;
			YamlMemberAttribute customAttribute = key.GetCustomAttribute<YamlMemberAttribute>();
			if (customAttribute != null && customAttribute.IsDefaultValuesHandlingSpecified)
			{
				defaultValuesHandling = customAttribute.DefaultValuesHandling;
			}
			if ((defaultValuesHandling & DefaultValuesHandling.OmitNull) != DefaultValuesHandling.Preserve && value.Value == null)
			{
				return false;
			}
			if ((defaultValuesHandling & DefaultValuesHandling.OmitEmptyCollections) != DefaultValuesHandling.Preserve && value.Value is IEnumerable enumerable)
			{
				IEnumerator enumerator = enumerable.GetEnumerator();
				bool flag = enumerator.MoveNext();
				if (enumerator is IDisposable disposable)
				{
					disposable.Dispose();
				}
				if (!flag)
				{
					return false;
				}
			}
			if ((defaultValuesHandling & DefaultValuesHandling.OmitDefaults) != DefaultValuesHandling.Preserve)
			{
				object objB = key.GetCustomAttribute<DefaultValueAttribute>()?.Value ?? GetDefault(key.Type);
				if (object.Equals(value.Value, objB))
				{
					return false;
				}
			}
			return base.EnterMapping(key, value, context, serializer);
		}
	}
	internal sealed class EmittingObjectGraphVisitor : IObjectGraphVisitor<IEmitter>
	{
		private readonly IEventEmitter eventEmitter;

		public EmittingObjectGraphVisitor(IEventEmitter eventEmitter)
		{
			this.eventEmitter = eventEmitter;
		}

		bool IObjectGraphVisitor<IEmitter>.Enter(IPropertyDescriptor? propertyDescriptor, IObjectDescriptor value, IEmitter context, ObjectSerializer serializer)
		{
			return true;
		}

		bool IObjectGraphVisitor<IEmitter>.EnterMapping(IObjectDescriptor key, IObjectDescriptor value, IEmitter context, ObjectSerializer serializer)
		{
			return true;
		}

		bool IObjectGraphVisitor<IEmitter>.EnterMapping(IPropertyDescriptor key, IObjectDescriptor value, IEmitter context, ObjectSerializer serializer)
		{
			return true;
		}

		void IObjectGraphVisitor<IEmitter>.VisitScalar(IObjectDescriptor scalar, IEmitter context, ObjectSerializer serializer)
		{
			eventEmitter.Emit(new ScalarEventInfo(scalar), context);
		}

		void IObjectGraphVisitor<IEmitter>.VisitMappingStart(IObjectDescriptor mapping, Type keyType, Type valueType, IEmitter context, ObjectSerializer serializer)
		{
			eventEmitter.Emit(new MappingStartEventInfo(mapping), context);
		}

		void IObjectGraphVisitor<IEmitter>.VisitMappingEnd(IObjectDescriptor mapping, IEmitter context, ObjectSerializer serializer)
		{
			eventEmitter.Emit(new MappingEndEventInfo(mapping), context);
		}

		void IObjectGraphVisitor<IEmitter>.VisitSequenceStart(IObjectDescriptor sequence, Type elementType, IEmitter context, ObjectSerializer serializer)
		{
			eventEmitter.Emit(new SequenceStartEventInfo(sequence), context);
		}

		void IObjectGraphVisitor<IEmitter>.VisitSequenceEnd(IObjectDescriptor sequence, IEmitter context, ObjectSerializer serializer)
		{
			eventEmitter.Emit(new SequenceEndEventInfo(sequence), context);
		}
	}
	internal abstract class PreProcessingPhaseObjectGraphVisitorSkeleton : IObjectGraphVisitor<Nothing>
	{
		protected readonly IEnumerable<IYamlTypeConverter> typeConverters;

		private readonly TypeConverterCache typeConverterCache;

		public PreProcessingPhaseObjectGraphVisitorSkeleton(IEnumerable<IYamlTypeConverter> typeConverters)
		{
			typeConverterCache = new TypeConverterCache((IYamlTypeConverter[])(this.typeConverters = typeConverters?.ToArray() ?? Array.Empty<IYamlTypeConverter>()));
		}

		bool IObjectGraphVisitor<Nothing>.Enter(IPropertyDescriptor? propertyDescriptor, IObjectDescriptor value, Nothing context, ObjectSerializer serializer)
		{
			if (typeConverterCache.TryGetConverterForType(value.Type, out IYamlTypeConverter _))
			{
				return false;
			}
			if (value.Value is IYamlConvertible)
			{
				return false;
			}
			if (value.Value is IYamlSerializable)
			{
				return false;
			}
			return Enter(value, serializer);
		}

		bool IObjectGraphVisitor<Nothing>.EnterMapping(IPropertyDescriptor key, IObjectDescriptor value, Nothing context, ObjectSerializer serializer)
		{
			return EnterMapping(key, value, serializer);
		}

		bool IObjectGraphVisitor<Nothing>.EnterMapping(IObjectDescriptor key, IObjectDescriptor value, Nothing context, ObjectSerializer serializer)
		{
			return EnterMapping(key, value, serializer);
		}

		void IObjectGraphVisitor<Nothing>.VisitMappingEnd(IObjectDescriptor mapping, Nothing context, ObjectSerializer serializer)
		{
			VisitMappingEnd(mapping, serializer);
		}

		void IObjectGraphVisitor<Nothing>.VisitMappingStart(IObjectDescriptor mapping, Type keyType, Type valueType, Nothing context, ObjectSerializer serializer)
		{
			VisitMappingStart(mapping, keyType, valueType, serializer);
		}

		void IObjectGraphVisitor<Nothing>.VisitScalar(IObjectDescriptor scalar, Nothing context, ObjectSerializer serializer)
		{
			VisitScalar(scalar, serializer);
		}

		void IObjectGraphVisitor<Nothing>.VisitSequenceEnd(IObjectDescriptor sequence, Nothing context, ObjectSerializer serializer)
		{
			VisitSequenceEnd(sequence, serializer);
		}

		void IObjectGraphVisitor<Nothing>.VisitSequenceStart(IObjectDescriptor sequence, Type elementType, Nothing context, ObjectSerializer serializer)
		{
			VisitSequenceStart(sequence, elementType, serializer);
		}

		protected abstract bool Enter(IObjectDescriptor value, ObjectSerializer serializer);

		protected abstract bool EnterMapping(IPropertyDescriptor key, IObjectDescriptor value, ObjectSerializer serializer);

		protected abstract bool EnterMapping(IObjectDescriptor key, IObjectDescriptor value, ObjectSerializer serializer);

		protected abstract void VisitMappingEnd(IObjectDescriptor mapping, ObjectSerializer serializer);

		protected abstract void VisitMappingStart(IObjectDescriptor mapping, Type keyType, Type valueType, ObjectSerializer serializer);

		protected abstract void VisitScalar(IObjectDescriptor scalar, ObjectSerializer serializer);

		protected abstract void VisitSequenceEnd(IObjectDescriptor sequence, ObjectSerializer serializer);

		protected abstract void VisitSequenceStart(IObjectDescriptor sequence, Type elementType, ObjectSerializer serializer);
	}
}
namespace YamlDotNet.Serialization.ObjectGraphTraversalStrategies
{
	internal class FullObjectGraphTraversalStrategy : IObjectGraphTraversalStrategy
	{
		protected readonly struct ObjectPathSegment
		{
			public readonly object Name;

			public readonly IObjectDescriptor Value;

			public ObjectPathSegment(object name, IObjectDescriptor value)
			{
				Name = name;
				Value = value;
			}
		}

		private readonly int maxRecursion;

		private readonly ITypeInspector typeDescriptor;

		private readonly ITypeResolver typeResolver;

		private readonly INamingConvention namingConvention;

		private readonly IObjectFactory objectFactory;

		public FullObjectGraphTraversalStrategy(ITypeInspector typeDescriptor, ITypeResolver typeResolver, int maxRecursion, INamingConvention namingConvention, IObjectFactory objectFactory)
		{
			if (maxRecursion <= 0)
			{
				throw new ArgumentOutOfRangeException("maxRecursion", maxRecursion, "maxRecursion must be greater than 1");
			}
			this.typeDescriptor = typeDescriptor ?? throw new ArgumentNullException("typeDescriptor");
			this.typeResolver = typeResolver ?? throw new ArgumentNullException("typeResolver");
			this.maxRecursion = maxRecursion;
			this.namingConvention = namingConvention ?? throw new ArgumentNullException("namingConvention");
			this.objectFactory = objectFactory ?? throw new ArgumentNullException("objectFactory");
		}

		void IObjectGraphTraversalStrategy.Traverse<TContext>(IObjectDescriptor graph, IObjectGraphVisitor<TContext> visitor, TContext context, ObjectSerializer serializer)
		{
			Traverse(null, "<root>", graph, visitor, context, new Stack<ObjectPathSegment>(maxRecursion), serializer);
		}

		protected virtual void Traverse<TContext>(IPropertyDescriptor? propertyDescriptor, object name, IObjectDescriptor value, IObjectGraphVisitor<TContext> visitor, TContext context, Stack<ObjectPathSegment> path, ObjectSerializer serializer)
		{
			if (path.Count >= maxRecursion)
			{
				StringBuilder stringBuilder = new StringBuilder();
				stringBuilder.AppendLine("Too much recursion when traversing the object graph.");
				stringBuilder.AppendLine("The path to reach this recursion was:");
				Stack<KeyValuePair<string, string>> stack = new Stack<KeyValuePair<string, string>>(path.Count);
				int num = 0;
				foreach (ObjectPathSegment item in path)
				{
					string text = item.Name?.ToString() ?? string.Empty;
					num = Math.Max(num, text.Length);
					stack.Push(new KeyValuePair<string, string>(text, item.Value.Type.FullName));
				}
				foreach (KeyValuePair<string, string> item2 in stack)
				{
					stringBuilder.Append(" -> ").Append(item2.Key.PadRight(num)).Append("  [")
						.Append(item2.Value)
						.AppendLine("]");
				}
				throw new MaximumRecursionLevelReachedException(stringBuilder.ToString());
			}
			if (!visitor.Enter(propertyDescriptor, value, context, serializer))
			{
				return;
			}
			path.Push(new ObjectPathSegment(name, value));
			try
			{
				TypeCode typeCode = value.Type.GetTypeCode();
				switch (typeCode)
				{
				case TypeCode.Boolean:
				case TypeCode.Char:
				case TypeCode.SByte:
				case TypeCode.Byte:
				case TypeCode.Int16:
				case TypeCode.UInt16:
				case TypeCode.Int32:
				case TypeCode.UInt32:
				case TypeCode.Int64:
				case TypeCode.UInt64:
				case TypeCode.Single:
				case TypeCode.Double:
				case TypeCode.Decimal:
				case TypeCode.DateTime:
				case TypeCode.String:
					visitor.VisitScalar(value, context, serializer);
					return;
				case TypeCode.Empty:
					throw new NotSupportedException($"TypeCode.{typeCode} is not supported.");
				}
				if (value.IsDbNull())
				{
					visitor.VisitScalar(new ObjectDescriptor(null, typeof(object), typeof(object)), context, serializer);
				}
				if (value.Value == null || value.Type == typeof(TimeSpan))
				{
					visitor.VisitScalar(value, context, serializer);
					return;
				}
				Type underlyingType = Nullable.GetUnderlyingType(value.Type);
				Type type = underlyingType ?? FsharpHelper.GetOptionUnderlyingType(value.Type);
				object obj = ((type != null) ? FsharpHelper.GetValue(value) : null);
				if (underlyingType != null)
				{
					Traverse(propertyDescriptor, "Value", new ObjectDescriptor(value.Value, underlyingType, value.Type, value.ScalarStyle), visitor, context, path, serializer);
				}
				else if (type != null && obj != null)
				{
					Traverse(propertyDescriptor, "Value", new ObjectDescriptor(FsharpHelper.GetValue(value), type, value.Type, value.ScalarStyle), visitor, context, path, serializer);
				}
				else
				{
					TraverseObject(propertyDescriptor, value, visitor, context, path, serializer);
				}
			}
			finally
			{
				path.Pop();
			}
		}

		protected virtual void TraverseObject<TContext>(IPropertyDescriptor? propertyDescriptor, IObjectDescriptor value, IObjectGraphVisitor<TContext> visitor, TContext context, Stack<ObjectPathSegment> path, ObjectSerializer serializer)
		{
			IDictionary dictionary;
			Type[] genericArguments;
			if (typeof(IDictionary).IsAssignableFrom(value.Type))
			{
				TraverseDictionary(propertyDescriptor, value, visitor, typeof(object), typeof(object), context, path, serializer);
			}
			else if (objectFactory.GetDictionary(value, out dictionary, out genericArguments))
			{
				TraverseDictionary(propertyDescriptor, new ObjectDescriptor(dictionary, value.Type, value.StaticType, value.ScalarStyle), visitor, genericArguments[0], genericArguments[1], context, path, serializer);
			}
			else if (typeof(IEnumerable).IsAssignableFrom(value.Type))
			{
				TraverseList(propertyDescriptor, value, visitor, context, path, serializer);
			}
			else
			{
				TraverseProperties(value, visitor, context, path, serializer);
			}
		}

		protected virtual void TraverseDictionary<TContext>(IPropertyDescriptor? propertyDescriptor, IObjectDescriptor dictionary, IObjectGraphVisitor<TContext> visitor, Type keyType, Type valueType, TContext context, Stack<ObjectPathSegment> path, ObjectSerializer serializer)
		{
			visitor.VisitMappingStart(dictionary, keyType, valueType, context, serializer);
			bool flag = dictionary.Type.FullName.Equals("System.Dynamic.ExpandoObject");
			foreach (DictionaryEntry? item in (IDictionary)dictionary.NonNullValue())
			{
				DictionaryEntry value = item.Value;
				object obj = (flag ? namingConvention.Apply(value.Key.ToString()) : value.Key);
				ObjectDescriptor objectDescriptor = GetObjectDescriptor(obj, keyType);
				ObjectDescriptor objectDescriptor2 = GetObjectDescriptor(value.Value, valueType);
				if (visitor.EnterMapping(objectDescriptor, objectDescriptor2, context, serializer))
				{
					Traverse(propertyDescriptor, obj, objectDescriptor, visitor, context, path, serializer);
					Traverse(propertyDescriptor, obj, objectDescriptor2, visitor, context, path, serializer);
				}
			}
			visitor.VisitMappingEnd(dictionary, context, serializer);
		}

		private void TraverseList<TContext>(IPropertyDescriptor propertyDescriptor, IObjectDescriptor value, IObjectGraphVisitor<TContext> visitor, TContext context, Stack<ObjectPathSegment> path, ObjectSerializer serializer)
		{
			Type valueType = objectFactory.GetValueType(value.Type);
			visitor.VisitSequenceStart(value, valueType, context, serializer);
			int num = 0;
			foreach (object item in (IEnumerable)value.NonNullValue())
			{
				Traverse(propertyDescriptor, num, GetObjectDescriptor(item, valueType), visitor, context, path, serializer);
				num++;
			}
			visitor.VisitSequenceEnd(value, context, serializer);
		}

		protected virtual void TraverseProperties<TContext>(IObjectDescriptor value, IObjectGraphVisitor<TContext> visitor, TContext context, Stack<ObjectPathSegment> path, ObjectSerializer serializer)
		{
			if (context.GetType() != typeof(Nothing))
			{
				objectFactory.ExecuteOnSerializing(value.Value);
			}
			visitor.VisitMappingStart(value, typeof(string), typeof(object), context, serializer);
			object obj = value.NonNullValue();
			foreach (IPropertyDescriptor property in typeDescriptor.GetProperties(value.Type, obj))
			{
				IObjectDescriptor value2 = property.Read(obj);
				if (visitor.EnterMapping(property, value2, context, serializer))
				{
					Traverse(null, property.Name, new ObjectDescriptor(property.Name, typeof(string), typeof(string), ScalarStyle.Plain), visitor, context, path, serializer);
					Traverse(property, property.Name, value2, visitor, context, path, serializer);
				}
			}
			visitor.VisitMappingEnd(value, context, serializer);
			if (context.GetType() != typeof(Nothing))
			{
				objectFactory.ExecuteOnSerialized(value.Value);
			}
		}

		private ObjectDescriptor GetObjectDescriptor(object? value, Type staticType)
		{
			return new ObjectDescriptor(value, typeResolver.Resolve(staticType, value), staticType);
		}
	}
	internal class RoundtripObjectGraphTraversalStrategy : FullObjectGraphTraversalStrategy
	{
		private readonly TypeConverterCache converters;

		private readonly Settings settings;

		public RoundtripObjectGraphTraversalStrategy(IEnumerable<IYamlTypeConverter> converters, ITypeInspector typeDescriptor, ITypeResolver typeResolver, int maxRecursion, INamingConvention namingConvention, Settings settings, IObjectFactory factory)
			: base(typeDescriptor, typeResolver, maxRecursion, namingConvention, factory)
		{
			this.converters = new TypeConverterCache(converters);
			this.settings = settings;
		}

		protected override void TraverseProperties<TContext>(IObjectDescriptor value, IObjectGraphVisitor<TContext> visitor, TContext context, Stack<ObjectPathSegment> path, ObjectSerializer serializer)
		{
			if (!value.Type.HasDefaultConstructor(settings.AllowPrivateConstructors) && !converters.TryGetConverterForType(value.Type, out IYamlTypeConverter _))
			{
				throw new InvalidOperationException($"Type '{value.Type}' cannot be deserialized because it does not have a default constructor or a type converter.");
			}
			base.TraverseProperties(value, visitor, context, path, serializer);
		}
	}
}
namespace YamlDotNet.Serialization.ObjectFactories
{
	internal class DefaultObjectFactory : ObjectFactoryBase
	{
		private readonly Dictionary<Type, ConcurrentDictionary<Type, MethodInfo[]>> stateMethods = new Dictionary<Type, ConcurrentDictionary<Type, MethodInfo[]>>
		{
			{
				typeof(YamlDotNet.Serialization.Callbacks.OnDeserializedAttribute),
				new ConcurrentDictionary<Type, MethodInfo[]>()
			},
			{
				typeof(YamlDotNet.Serialization.Callbacks.OnDeserializingAttribute),
				new ConcurrentDictionary<Type, MethodInfo[]>()
			},
			{
				typeof(YamlDotNet.Serialization.Callbacks.OnSerializedAttribute),
				new ConcurrentDictionary<Type, MethodInfo[]>()
			},
			{
				typeof(YamlDotNet.Serialization.Callbacks.OnSerializingAttribute),
				new ConcurrentDictionary<Type, MethodInfo[]>()
			}
		};

		private readonly Dictionary<Type, Type> defaultGenericInterfaceImplementations = new Dictionary<Type, Type>
		{
			{
				typeof(IEnumerable<>),
				typeof(List<>)
			},
			{
				typeof(ICollection<>),
				typeof(List<>)
			},
			{
				typeof(IList<>),
				typeof(List<>)
			},
			{
				typeof(IDictionary<, >),
				typeof(Dictionary<, >)
			}
		};

		private readonly Dictionary<Type, Type> defaultNonGenericInterfaceImplementations = new Dictionary<Type, Type>
		{
			{
				typeof(IEnumerable),
				typeof(List<object>)
			},
			{
				typeof(ICollection),
				typeof(List<object>)
			},
			{
				typeof(IList),
				typeof(List<object>)
			},
			{
				typeof(IDictionary),
				typeof(Dictionary<object, object>)
			}
		};

		private readonly Settings settings;

		public DefaultObjectFactory()
			: this(new Dictionary<Type, Type>(), new Settings())
		{
		}

		public DefaultObjectFactory(IDictionary<Type, Type> mappings)
			: this(mappings, new Settings())
		{
		}

		public DefaultObjectFactory(IDictionary<Type, Type> mappings, Settings settings)
		{
			foreach (KeyValuePair<Type, Type> mapping in mappings)
			{
				if (!mapping.Key.IsAssignableFrom(mapping.Value))
				{
					throw new InvalidOperationException($"Type '{mapping.Value}' does not implement type '{mapping.Key}'.");
				}
				defaultNonGenericInterfaceImplementations.Add(mapping.Key, mapping.Value);
			}
			this.settings = settings;
		}

		public override object Create(Type type)
		{
			if (type.IsInterface())
			{
				Type value2;
				if (type.IsGenericType())
				{
					if (defaultGenericInterfaceImplementations.TryGetValue(type.GetGenericTypeDefinition(), out Type value))
					{
						type = value.MakeGenericType(type.GetGenericArguments());
					}
				}
				else if (defaultNonGenericInterfaceImplementations.TryGetValue(type, out value2))
				{
					type = value2;
				}
			}
			try
			{
				return Activator.CreateInstance(type, settings.AllowPrivateConstructors);
			}
			catch (Exception innerException)
			{
				string message = "Failed to create an instance of type '" + type.FullName + "'.";
				throw new InvalidOperationException(message, innerException);
			}
		}

		public override void ExecuteOnDeserialized(object value)
		{
			ExecuteState(typeof(YamlDotNet.Serialization.Callbacks.OnDeserializedAttribute), value);
		}

		public override void ExecuteOnDeserializing(object value)
		{
			ExecuteState(typeof(YamlDotNet.Serialization.Callbacks.OnDeserializingAttribute), value);
		}

		public override void ExecuteOnSerialized(object value)
		{
			ExecuteState(typeof(YamlDotNet.Serialization.Callbacks.OnSerializedAttribute), value);
		}

		public override void ExecuteOnSerializing(object value)
		{
			ExecuteState(typeof(YamlDotNet.Serialization.Callbacks.OnSerializingAttribute), value);
		}

		private void ExecuteState(Type attributeType, object value)
		{
			if (value != null)
			{
				Type type = value.GetType();
				MethodInfo[] array = GetStateMethods(attributeType, type);
				MethodInfo[] array2 = array;
				foreach (MethodInfo methodInfo in array2)
				{
					methodInfo.Invoke(value, null);
				}
			}
		}

		private MethodInfo[] GetStateMethods(Type attributeType, Type valueType)
		{
			ConcurrentDictionary<Type, MethodInfo[]> concurrentDictionary = stateMethods[attributeType];
			return concurrentDictionary.GetOrAdd(valueType, delegate(Type type)
			{
				MethodInfo[] methods = type.GetMethods(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
				return methods.Where((MethodInfo x) => x.GetCustomAttributes(attributeType, inherit: true).Length != 0).ToArray();
			});
		}
	}
	internal sealed class LambdaObjectFactory : ObjectFactoryBase
	{
		private readonly Func<Type, object> factory;

		public LambdaObjectFactory(Func<Type, object> factory)
		{
			this.factory = factory ?? throw new ArgumentNullException("factory");
		}

		public override object Create(Type type)
		{
			return factory(type);
		}
	}
	internal abstract class ObjectFactoryBase : IObjectFactory
	{
		public abstract object Create(Type type);

		public virtual object? CreatePrimitive(Type type)
		{
			if (!type.IsValueType())
			{
				return null;
			}
			return Activator.CreateInstance(type);
		}

		public virtual void ExecuteOnDeserialized(object value)
		{
		}

		public virtual void ExecuteOnDeserializing(object value)
		{
		}

		public virtual void ExecuteOnSerialized(object value)
		{
		}

		public virtual void ExecuteOnSerializing(object value)
		{
		}

		public virtual bool GetDictionary(IObjectDescriptor descriptor, out IDictionary? dictionary, out Type[]? genericArguments)
		{
			Type implementationOfOpenGenericInterface = descriptor.Type.GetImplementationOfOpenGenericInterface(typeof(IDictionary<, >));
			if (implementationOfOpenGenericInterface != null)
			{
				genericArguments = implementationOfOpenGenericInterface.GetGenericArguments();
				object obj = Activator.CreateInstance(typeof(GenericDictionaryToNonGenericAdapter<, >).MakeGenericType(genericArguments), descriptor.Value);
				dictionary = obj as IDictionary;
				return true;
			}
			genericArguments = null;
			dictionary = null;
			return false;
		}

		public virtual Type GetValueType(Type type)
		{
			Type implementationOfOpenGenericInterface = type.GetImplementationOfOpenGenericInterface(typeof(IEnumerable<>));
			return (implementationOfOpenGenericInterface != null) ? implementationOfOpenGenericInterface.GetGenericArguments()[0] : typeof(object);
		}
	}
	internal abstract class StaticObjectFactory : IObjectFactory
	{
		public abstract object Create(Type type);

		public abstract Array CreateArray(Type type, int count);

		public abstract bool IsDictionary(Type type);

		public abstract bool IsArray(Type type);

		public abstract bool IsList(Type type);

		public abstract Type GetKeyType(Type type);

		public abstract Type GetValueType(Type type);

		public virtual object? CreatePrimitive(Type type)
		{
			return Type.GetTypeCode(type) switch
			{
				TypeCode.Boolean => false, 
				TypeCode.Byte => (byte)0, 
				TypeCode.Int16 => (short)0, 
				TypeCode.Int32 => 0, 
				TypeCode.Int64 => 0L, 
				TypeCode.SByte => (sbyte)0, 
				TypeCode.UInt16 => (ushort)0, 
				TypeCode.UInt32 => 0u, 
				TypeCode.UInt64 => 0uL, 
				TypeCode.Single => 0f, 
				TypeCode.Double => 0.0, 
				TypeCode.Decimal => 0m, 
				TypeCode.Char => '\0', 
				TypeCode.DateTime => default(DateTime), 
				_ => null, 
			};
		}

		public bool GetDictionary(IObjectDescriptor descriptor, out IDictionary? dictionary, out Type[]? genericArguments)
		{
			dictionary = null;
			genericArguments = null;
			return false;
		}

		public abstract void ExecuteOnDeserializing(object value);

		public abstract void ExecuteOnDeserialized(object value);

		public abstract void ExecuteOnSerializing(object value);

		public abstract void ExecuteOnSerialized(object value);
	}
}
namespace YamlDotNet.Serialization.NodeTypeResolvers
{
	internal sealed class DefaultContainersNodeTypeResolver : INodeTypeResolver
	{
		bool INodeTypeResolver.Resolve(NodeEvent? nodeEvent, ref Type currentType)
		{
			if (currentType == typeof(object))
			{
				if (nodeEvent is SequenceStart)
				{
					currentType = typeof(List<object>);
					return true;
				}
				if (nodeEvent is MappingStart)
				{
					currentType = typeof(Dictionary<object, object>);
					return true;
				}
			}
			return false;
		}
	}
	internal class MappingNodeTypeResolver : INodeTypeResolver
	{
		private readonly IDictionary<Type, Type> mappings;

		public MappingNodeTypeResolver(IDictionary<Type, Type> mappings)
		{
			if (mappings == null)
			{
				throw new ArgumentNullException("mappings");
			}
			foreach (KeyValuePair<Type, Type> mapping in mappings)
			{
				if (!mapping.Key.IsAssignableFrom(mapping.Value))
				{
					throw new InvalidOperationException($"Type '{mapping.Value}' does not implement type '{mapping.Key}'.");
				}
			}
			this.mappings = mappings;
		}

		public bool Resolve(NodeEvent? nodeEvent, ref Type currentType)
		{
			if (mappings.TryGetValue(currentType, out Type value))
			{
				currentType = value;
				return true;
			}
			return false;
		}
	}
	internal class PreventUnknownTagsNodeTypeResolver : INodeTypeResolver
	{
		bool INodeTypeResolver.Resolve(NodeEvent? nodeEvent, ref Type currentType)
		{
			if (nodeEvent != null && !nodeEvent.Tag.IsEmpty)
			{
				throw new YamlException(nodeEvent.Start, nodeEvent.End, $"Encountered an unresolved tag '{nodeEvent.Tag}'");
			}
			return false;
		}
	}
	internal sealed class TagNodeTypeResolver : INodeTypeResolver
	{
		private readonly IDictionary<TagName, Type> tagMappings;

		public TagNodeTypeResolver(IDictionary<TagName, Type> tagMappings)
		{
			this.tagMappings = tagMappings ?? throw new ArgumentNullException("tagMappings");
		}

		bool INodeTypeResolver.Resolve(NodeEvent? nodeEvent, ref Type currentType)
		{
			if (nodeEvent != null && !nodeEvent.Tag.IsEmpty && tagMappings.TryGetValue(nodeEvent.Tag, out Type value))
			{
				currentType = value;
				return true;
			}
			return false;
		}
	}
	[Obsolete("The mechanism that this class uses to specify type names is non-standard. Register the tags explicitly instead of using this convention.")]
	internal sealed class TypeNameInTagNodeTypeResolver : INodeTypeResolver
	{
		bool INodeTypeResolver.Resolve(NodeEvent? nodeEvent, ref Type currentType)
		{
			if (nodeEvent != null && !nodeEvent.Tag.IsEmpty)
			{
				Type type = Type.GetType(nodeEvent.Tag.Value.Substring(1), throwOnError: false);
				if (type != null)
				{
					currentType = type;
					return true;
				}
			}
			return false;
		}
	}
	internal sealed class YamlConvertibleTypeResolver : INodeTypeResolver
	{
		public bool Resolve(NodeEvent? nodeEvent, ref Type currentType)
		{
			return typeof(IYamlConvertible).IsAssignableFrom(currentType);
		}
	}
	internal sealed class YamlSerializableTypeResolver : INodeTypeResolver
	{
		public bool Resolve(NodeEvent? nodeEvent, ref Type currentType)
		{
			return typeof(IYamlSerializable).IsAssignableFrom(currentType);
		}
	}
}
namespace YamlDotNet.Serialization.NodeDeserializers
{
	internal sealed class ArrayNodeDeserializer : INodeDeserializer
	{
		private sealed class ArrayList : IList, ICollection, IEnumerable
		{
			private object?[] data;

			public bool IsFixedSize => false;

			public bool IsReadOnly => false;

			public object? this[int index]
			{
				get
				{
					return data[index];
				}
				set
				{
					data[index] = value;
				}
			}

			public int Count { get; private set; }

			public bool IsSynchronized => false;

			public object SyncRoot => data;

			public ArrayList()
			{
				Clear();
			}

			public int Add(object? value)
			{
				if (Count == data.Length)
				{
					Array.Resize(ref data, data.Length * 2);
				}
				data[Count] = value;
				return Count++;
			}

			public void Clear()
			{
				data = new object[10];
				Count = 0;
			}

			bool IList.Contains(object? value)
			{
				throw new NotSupportedException();
			}

			int IList.IndexOf(object? value)
			{
				throw new NotSupportedException();
			}

			void IList.Insert(int index, object? value)
			{
				throw new NotSupportedException();
			}

			void IList.Remove(object? value)
			{
				throw new NotSupportedException();
			}

			void IList.RemoveAt(int index)
			{
				throw new NotSupportedException();
			}

			public void CopyTo(Array array, int index)
			{
				Array.Copy(data, 0, array, index, Count);
			}

			public IEnumerator GetEnumerator()
			{
				int i = 0;
				while (i < Count)
				{
					yield return data[i];
					int num = i + 1;
					i = num;
				}
			}
		}

		private readonly INamingConvention enumNamingConvention;

		private readonly ITypeInspector typeInspector;

		public ArrayNodeDeserializer(INamingConvention enumNamingConvention, ITypeInspector typeInspector)
		{
			this.enumNamingConvention = enumNamingConvention;
			this.typeInspector = typeInspector;
		}

		public bool Deserialize(IParser parser, Type expectedType, Func<IParser, Type, object?> nestedObjectDeserializer, out object? value, ObjectDeserializer rootDeserializer)
		{
			if (!expectedType.IsArray)
			{
				value = false;
				return false;
			}
			Type itemType = expectedType.GetElementType();
			ArrayList arrayList = new ArrayList();
			Array array = null;
			CollectionNodeDeserializer.DeserializeHelper(itemType, parser, nestedObjectDeserializer, arrayList, canUpdate: true, enumNamingConvention, typeInspector, PromiseResolvedHandler);
			array = Array.CreateInstance(itemType, arrayList.Count);
			arrayList.CopyTo(array, 0);
			value = array;
			return true;
			void PromiseResolvedHandler(int index, object? value2)
			{
				if (array == null)
				{
					throw new InvalidOperationException("Destination array is still null");
				}
				array.SetValue(YamlDotNet.Serialization.Utilities.TypeConverter.ChangeType(value2, itemType, enumNamingConvention, typeInspector), index);
			}
		}
	}
	internal abstract class CollectionDeserializer
	{
		protected static void DeserializeHelper(Type tItem, IParser parser, Func<IParser, Type, object?> nestedObjectDeserializer, IList result, bool canUpdate, IObjectFactory objectFactory)
		{
			parser.Consume<SequenceStart>();
			SequenceEnd @event;
			while (!parser.TryConsume<SequenceEnd>(out @event))
			{
				ParsingEvent current = parser.Current;
				object obj = nestedObjectDeserializer(parser, tItem);
				if (obj is IValuePromise valuePromise)
				{
					if (!canUpdate)
					{
						throw new ForwardAnchorNotSupportedException(current?.Start ?? Mark.Empty, current?.End ?? Mark.Empty, "Forward alias references are not allowed because this type does not implement IList<>");
					}
					int index = result.Add(objectFactory.CreatePrimitive(tItem));
					valuePromise.ValueAvailable += delegate(object? v)
					{
						result[index] = v;
					};
				}
				else
				{
					result.Add(obj);
				}
			}
		}
	}
	internal sealed class CollectionNodeDeserializer : INodeDeserializer
	{
		private readonly IObjectFactory objectFactory;

		private readonly INamingConvention enumNamingConvention;

		private readonly ITypeInspector typeInspector;

		public CollectionNodeDeserializer(IObjectFactory objectFactory, INamingConvention enumNamingConvention, ITypeInspector typeInspector)
		{
			this.objectFactory = objectFactory ?? throw new ArgumentNullException("objectFactory");
			this.enumNamingConvention = enumNamingConvention;
			this.typeInspector = typeInspector;
		}

		public bool Deserialize(IParser parser, Type expectedType, Func<IParser, Type, object?> nestedObjectDeserializer, out object? value, ObjectDeserializer rootDeserializer)
		{
			bool canUpdate = true;
			Type implementationOfOpenGenericInterface = expectedType.GetImplementationOfOpenGenericInterface(typeof(ICollection<>));
			Type type;
			IList list;
			if (implementationOfOpenGenericInterface != null)
			{
				Type[] genericArguments = implementationOfOpenGenericInterface.GetGenericArguments();
				type = genericArguments[0];
				value = objectFactory.Create(expectedType);
				list = value as IList;
				if (list == null)
				{
					Type implementationOfOpenGenericInterface2 = expectedType.GetImplementationOfOpenGenericInterface(typeof(IList<>));
					canUpdate = implementationOfOpenGenericInterface2 != null;
					list = (IList)Activator.CreateInstance(typeof(GenericCollectionToNonGenericAdapter<>).MakeGenericType(type), value);
				}
			}
			else
			{
				if (!typeof(IList).IsAssignableFrom(expectedType))
				{
					value = null;
					return false;
				}
				type = typeof(object);
				value = objectFactory.Create(expectedType);
				list = (IList)value;
			}
			DeserializeHelper(type, parser, nestedObjectDeserializer, list, canUpdate, enumNamingConvention, typeInspector);
			return true;
		}

		internal static void DeserializeHelper(Type tItem, IParser parser, Func<IParser, Type, object?> nestedObjectDeserializer, IList result, bool canUpdate, INamingConvention enumNamingConvention, ITypeInspector typeInspector, Action<int, object?>? promiseResolvedHandler = null)
		{
			parser.Consume<SequenceStart>();
			SequenceEnd @event;
			while (!parser.TryConsume<SequenceEnd>(out @event))
			{
				ParsingEvent current = parser.Current;
				object obj = nestedObjectDeserializer(parser, tItem);
				if (obj is IValuePromise valuePromise)
				{
					if (!canUpdate)
					{
						throw new ForwardAnchorNotSupportedException(current?.Start ?? Mark.Empty, current?.End ?? Mark.Empty, "Forward alias references are not allowed because this type does not implement IList<>");
					}
					int index = result.Add(tItem.IsValueType() ? Activator.CreateInstance(tItem) : null);
					if (promiseResolvedHandler != null)
					{
						valuePromise.ValueAvailable += delegate(object? v)
						{
							promiseResolvedHandler(index, v);
						};
					}
					else
					{
						valuePromise.ValueAvailable += delegate(object? v)
						{
							result[index] = YamlDotNet.Serialization.Utilities.TypeConverter.ChangeType(v, tItem, enumNamingConvention, typeInspector);
						};
					}
				}
				else
				{
					result.Add(YamlDotNet.Serialization.Utilities.TypeConverter.ChangeType(obj, tItem, enumNamingConvention, typeInspector));
				}
			}
		}
	}
	internal abstract class DictionaryDeserializer
	{
		private readonly bool duplicateKeyChecking;

		public DictionaryDeserializer(bool duplicateKeyChecking)
		{
			this.duplicateKeyChecking = duplicateKeyChecking;
		}

		private void TryAssign(IDictionary result, object key, object value, MappingStart propertyName)
		{
			if (duplicateKeyChecking && result.Contains(key))
			{
				throw new YamlException(propertyName.Start, propertyName.End, $"Encountered duplicate key {key}");
			}
			result[key] = value;
		}

		protected virtual void Deserialize(Type tKey, Type tValue, IParser parser, Func<IParser, Type, object?> nestedObjectDeserializer, IDictionary result, ObjectDeserializer rootDeserializer)
		{
			MappingStart property = parser.Consume<MappingStart>();
			MappingEnd @event;
			while (!parser.TryConsume<MappingEnd>(out @event))
			{
				object key = nestedObjectDeserializer(parser, tKey);
				object value = nestedObjectDeserializer(parser, tValue);
				IValuePromise valuePromise = value as IValuePromise;
				if (key is IValuePromise valuePromise2)
				{
					if (valuePromise == null)
					{
						valuePromise2.ValueAvailable += delegate(object? v)
						{
							result[v] = value;
						};
						continue;
					}
					bool hasFirstPart = false;
					valuePromise2.ValueAvailable += delegate(object? v)
					{
						if (hasFirstPart)
						{
							TryAssign(result, v, value, property);
						}
						else
						{
							key = v;
							hasFirstPart = true;
						}
					};
					valuePromise.ValueAvailable += delegate(object? v)
					{
						if (hasFirstPart)
						{
							TryAssign(result, key, v, property);
						}
						else
						{
							value = v;
							hasFirstPart = true;
						}
					};
					continue;
				}
				if (key == null)
				{
					throw new ArgumentException("Empty key names are not supported yet.", "tKey");
				}
				if (valuePromise == null)
				{
					TryAssign(result, key, value, property);
					continue;
				}
				valuePromise.ValueAvailable += delegate(object? v)
				{
					result[key] = v;
				};
			}
		}
	}
	internal class DictionaryNodeDeserializer : DictionaryDeserializer, INodeDeserializer
	{
		private readonly IObjectFactory objectFactory;

		public DictionaryNodeDeserializer(IObjectFactory objectFactory, bool duplicateKeyChecking)
			: base(duplicateKeyChecking)
		{
			this.objectFactory = objectFactory ?? throw new ArgumentNullException("objectFactory");
		}

		public bool Deserialize(IParser parser, Type expectedType, Func<IParser, Type, object?> nestedObjectDeserializer, out object? value, ObjectDeserializer rootDeserializer)
		{
			Type implementationOfOpenGenericInterface = expectedType.GetImplementationOfOpenGenericInterface(typeof(IDictionary<, >));
			Type type;
			Type type2;
			IDictionary dictionary;
			if (implementationOfOpenGenericInterface != null)
			{
				Type[] genericArguments = implementationOfOpenGenericInterface.GetGenericArguments();
				type = genericArguments[0];
				type2 = genericArguments[1];
				value = objectFactory.Create(expectedType);
				dictionary = value as IDictionary;
				if (dictionary == null)
				{
					dictionary = (IDictionary)Activator.CreateInstance(typeof(GenericDictionaryToNonGenericAdapter<, >).MakeGenericType(type, type2), value);
				}
			}
			else
			{
				if (!typeof(IDictionary).IsAssignableFrom(expectedType))
				{
					value = null;
					return false;
				}
				type = typeof(object);
				type2 = typeof(object);
				value = objectFactory.Create(expectedType);
				dictionary = (IDictionary)value;
			}
			Deserialize(type, type2, parser, nestedObjectDeserializer, dictionary, rootDeserializer);
			return true;
		}
	}
	internal sealed class EnumerableNodeDeserializer : INodeDeserializer
	{
		public bool Deserialize(IParser parser, Type expectedType, Func<IParser, Type, object?> nestedObjectDeserializer, out object? value, ObjectDeserializer rootDeserializer)
		{
			Type type;
			if (expectedType == typeof(IEnumerable))
			{
				type = typeof(object);
			}
			else
			{
				Type implementationOfOpenGenericInterface = expectedType.GetImplementationOfOpenGenericInterface(typeof(IEnumerable<>));
				if (implementationOfOpenGenericInterface != expectedType)
				{
					value = null;
					return false;
				}
				type = implementationOfOpenGenericInterface.GetGenericArguments()[0];
			}
			Type arg = typeof(List<>).MakeGenericType(type);
			value = nestedObjectDeserializer(parser, arg);
			return true;
		}
	}
	internal sealed class FsharpListNodeDeserializer : INodeDeserializer
	{
		private readonly ITypeInspector typeInspector;

		private readonly INamingConvention enumNamingConvention;

		public FsharpListNodeDeserializer(ITypeInspector typeInspector, INamingConvention enumNamingConvention)
		{
			this.typeInspector = typeInspector;
			this.enumNamingConvention = enumNamingConvention;
		}

		public bool Deserialize(IParser parser, Type expectedType, Func<IParser, Type, object?> nestedObjectDeserializer, out object? value, ObjectDeserializer rootDeserializer)
		{
			if (!FsharpHelper.IsFsharpListType(expectedType))
			{
				value = false;
				return false;
			}
			Type type = expectedType.GetGenericArguments()[0];
			Type t = expectedType.GetGenericTypeDefinition().MakeGenericType(type);
			ArrayList arrayList = new ArrayList();
			CollectionNodeDeserializer.DeserializeHelper(type, parser, nestedObjectDeserializer, arrayList, canUpdate: true, enumNamingConvention, typeInspector);
			Array array = Array.CreateInstance(type, arrayList.Count);
			arrayList.CopyTo(array, 0);
			object obj = FsharpHelper.CreateFsharpListFromArray(t, type, array);
			value = obj;
			return true;
		}
	}
	internal sealed class NullNodeDeserializer : INodeDeserializer
	{
		public bool Deserialize(IParser parser, Type expectedType, Func<IParser, Type, object?> nestedObjectDeserializer, out object? value, ObjectDeserializer rootDeserializer)
		{
			value = null;
			if (parser.Accept<NodeEvent>(out var @event) && NodeIsNull(@event))
			{
				parser.SkipThisAndNestedEvents();
				return true;
			}
			return false;
		}

		private static bool NodeIsNull(NodeEvent nodeEvent)
		{
			if (nodeEvent.Tag == "tag:yaml.org,2002:null")
			{
				return true;
			}
			if (nodeEvent is YamlDotNet.Core.Events.Scalar { Style: ScalarStyle.Plain, IsKey: false } scalar)
			{
				string value = scalar.Value;
				switch (value)
				{
				default:
					return value == "NULL";
				case "":
				case "~":
				case "null":
				case "Null":
					return true;
				}
			}
			return false;
		}
	}
	internal sealed class ObjectNodeDeserializer : INodeDeserializer
	{
		private readonly IObjectFactory objectFactory;

		private readonly ITypeInspector typeInspector;

		private readonly bool ignoreUnmatched;

		private readonly bool duplicateKeyChecking;

		private readonly ITypeConverter typeConverter;

		private readonly INamingConvention enumNamingConvention;

		private readonly bool enforceNullability;

		private readonly bool caseInsensitivePropertyMatching;

		private readonly bool enforceRequiredProperties;

		private readonly TypeConverterCache typeConverters;

		public ObjectNodeDeserializer(IObjectFactory objectFactory, ITypeInspector typeInspector, bool ignoreUnmatched, bool duplicateKeyChecking, ITypeConverter typeConverter, INamingConvention enumNamingConvention, bool enforceNullability, bool caseInsensitivePropertyMatching, bool enforceRequiredProperties, IEnumerable<IYamlTypeConverter> typeConverters)
		{
			this.objectFactory = objectFactory ?? throw new ArgumentNullException("objectFactory");
			this.typeInspector = typeInspector ?? throw new ArgumentNullException("typeInspector");
			this.ignoreUnmatched = ignoreUnmatched;
			this.duplicateKeyChecking = duplicateKeyChecking;
			this.typeConverter = typeConverter ?? throw new ArgumentNullException("typeConverter");
			this.enumNamingConvention = enumNamingConvention ?? throw new ArgumentNullException("enumNamingConvention");
			this.enforceNullability = enforceNullability;
			this.caseInsensitivePropertyMatching = caseInsensitivePropertyMatching;
			this.enforceRequiredProperties = enforceRequiredProperties;
			this.typeConverters = new TypeConverterCache(typeConverters);
		}

		public bool Deserialize(IParser parser, Type expectedType, Func<IParser, Type, object?> nestedObjectDeserializer, out object? value, ObjectDeserializer rootDeserializer)
		{
			if (!parser.TryConsume<MappingStart>(out var _))
			{
				value = null;
				return false;
			}
			Type type = Nullable.GetUnderlyingType(expectedType) ?? FsharpHelper.GetOptionUnderlyingType(expectedType) ?? expectedType;
			value = objectFactory.Create(type);
			objectFactory.ExecuteOnDeserializing(value);
			HashSet<string> hashSet = new HashSet<string>(StringComparer.Ordinal);
			HashSet<string> hashSet2 = new HashSet<string>(StringComparer.Ordinal);
			Mark start = Mark.Empty;
			MappingEnd event2;
			while (!parser.TryConsume<MappingEnd>(out event2))
			{
				YamlDotNet.Core.Events.Scalar propertyName = parser.Consume<YamlDotNet.Core.Events.Scalar>();
				if (duplicateKeyChecking && !hashSet.Add(propertyName.Value))
				{
					throw new YamlException(propertyName.Start, propertyName.End, "Encountered duplicate key " + propertyName.Value);
				}
				try
				{
					IPropertyDescriptor property = typeInspector.GetProperty(type, null, propertyName.Value, ignoreUnmatched, caseInsensitivePropertyMatching);
					if (property == null)
					{
						parser.SkipThisAndNestedEvents();
						continue;
					}
					hashSet2.Add(property.Name);
					object obj;
					if (property.ConverterType != null)
					{
						IYamlTypeConverter converterByType = typeConverters.GetConverterByType(property.ConverterType);
						obj = converterByType.ReadYaml(parser, property.Type, rootDeserializer);
					}
					else
					{
						obj = nestedObjectDeserializer(parser, property.Type);
					}
					if (obj is IValuePromise valuePromise)
					{
						object valueRef = value;
						valuePromise.ValueAvailable += delegate(object? v)
						{
							object value3 = typeConverter.ChangeType(v, property.Type, enumNamingConvention, typeInspector);
							NullCheck(value3, property, propertyName);
							property.Write(valueRef, value3);
						};
					}
					else
					{
						object value2 = typeConverter.ChangeType(obj, property.Type, enumNamingConvention, typeInspector);
						NullCheck(value2, property, propertyName);
						property.Write(value, value2);
					}
				}
				catch (SerializationException ex)
				{
					throw new YamlException(propertyName.Start, propertyName.End, ex.Message);
				}
				catch (YamlException)
				{
					throw;
				}
				catch (Exception innerException)
				{
					throw new YamlException(propertyName.Start, propertyName.End, "Exception during deserialization", innerException);
				}
				start = propertyName.End;
			}
			if (enforceRequiredProperties)
			{
				IEnumerable<IPropertyDescriptor> properties = typeInspector.GetProperties(type, value);
				List<string> list = new List<string>();
				foreach (IPropertyDescriptor item in properties)
				{
					if (item.Required && !hashSet2.Contains(item.Name))
					{
						list.Add(item.Name);
					}
				}
				if (list.Count > 0)
				{
					string text = string.Join(",", list);
					throw new YamlException(in start, in start, "Missing properties, '" + text + "' in source yaml.");
				}
			}
			objectFactory.ExecuteOnDeserialized(value);
			return true;
		}

		public void NullCheck(object value, IPropertyDescriptor property, YamlDotNet.Core.Events.Scalar propertyName)
		{
			if (enforceNullability && value == null && !property.AllowNulls)
			{
				throw new YamlException(propertyName.Start, propertyName.End, "Strict nullability enforcement error.", new NullReferenceException("Yaml value is null when target property requires non null values."));
			}
		}
	}
	internal sealed class ScalarNodeDeserializer : INodeDeserializer
	{
		private const string BooleanTruePattern = "^(true|y|yes|on)$";

		private const string BooleanFalsePattern = "^(false|n|no|off)$";

		private readonly bool attemptUnknownTypeDeserialization;

		private readonly ITypeConverter typeConverter;

		private readonly ITypeInspector typeInspector;

		private readonly YamlFormatter formatter;

		private readonly INamingConvention enumNamingConvention;

		public ScalarNodeDeserializer(bool attemptUnknownTypeDeserialization, ITypeConverter typeConverter, ITypeInspector typeInspector, YamlFormatter formatter, INamingConvention enumNamingConvention)
		{
			this.attemptUnknownTypeDeserialization = attemptUnknownTypeDeserialization;
			this.typeConverter = typeConverter ?? throw new ArgumentNullException("typeConverter");
			this.typeInspector = typeInspector;
			this.formatter = formatter;
			this.enumNamingConvention = enumNamingConvention;
		}

		public bool Deserialize(IParser parser, Type expectedType, Func<IParser, Type, object?> nestedObjectDeserializer, out object? value, ObjectDeserializer rootDeserializer)
		{
			if (!parser.TryConsume<YamlDotNet.Core.Events.Scalar>(out var @event))
			{
				value = null;
				return false;
			}
			Type type = Nullable.GetUnderlyingType(expectedType) ?? FsharpHelper.GetOptionUnderlyingType(expectedType) ?? expectedType;
			if (type.IsEnum())
			{
				string name = enumNamingConvention.Reverse(@event.Value);
				name = typeInspector.GetEnumName(type, name);
				value = Enum.Parse(type, name, ignoreCase: true);
				return true;
			}
			TypeCode typeCode = type.GetTypeCode();
			switch (typeCode)
			{
			case TypeCode.Boolean:
				value = DeserializeBooleanHelper(@event.Value);
				break;
			case TypeCode.SByte:
			case TypeCode.Byte:
			case TypeCode.Int16:
			case TypeCode.UInt16:
			case TypeCode.Int32:
			case TypeCode.UInt32:
			case TypeCode.Int64:
			case TypeCode.UInt64:
				value = DeserializeIntegerHelper(typeCode, @event.Value);
				break;
			case TypeCode.Single:
				value = float.Parse(@event.Value, formatter.NumberFormat);
				break;
			case TypeCode.Double:
				value = double.Parse(@event.Value, formatter.NumberFormat);
				break;
			case TypeCode.Decimal:
				value = decimal.Parse(@event.Value, formatter.NumberFormat);
				break;
			case TypeCode.String:
				value = @event.Value;
				break;
			case TypeCode.Char:
				value = @event.Value[0];
				break;
			case TypeCode.DateTime:
				value = DateTime.Parse(@event.Value, CultureInfo.InvariantCulture, DateTimeStyles.RoundtripKind);
				break;
			default:
				if (expectedType == typeof(object))
				{
					if (!@event.IsKey && attemptUnknownTypeDeserialization)
					{
						value = AttemptUnknownTypeDeserialization(@event);
					}
					else
					{
						value = @event.Value;
					}
				}
				else
				{
					value = typeConverter.ChangeType(@event.Value, expectedType, enumNamingConvention, typeInspector);
				}
				break;
			}
			return true;
		}

		private static bool DeserializeBooleanHelper(string value)
		{
			if (Regex.IsMatch(value, "^(true|y|yes|on)$", RegexOptions.IgnoreCase))
			{
				return true;
			}
			if (Regex.IsMatch(value, "^(false|n|no|off)$", RegexOptions.IgnoreCase))
			{
				return false;
			}
			throw new FormatException("The value \"" + value + "\" is not a valid YAML Boolean");
		}

		private object DeserializeIntegerHelper(TypeCode typeCode, string value)
		{
			StringBuilderPool.BuilderWrapper builderWrapper = StringBuilderPool.Rent();
			try
			{
				StringBuilder builder = builderWrapper.Builder;
				int i = 0;
				bool flag = false;
				ulong num = 0uL;
				if (value[0] == '-')
				{
					i++;
					flag = true;
				}
				else if (value[0] == '+')
				{
					i++;
				}
				if (value[i] == '0')
				{
					int num2;
					if (i == value.Length - 1)
					{
						num2 = 10;
						num = 0uL;
					}
					else
					{
						i++;
						if (value[i] == 'b')
						{
							num2 = 2;
							i++;
						}
						else if (value[i] == 'x')
						{
							num2 = 16;
							i++;
						}
						else
						{
							num2 = 8;
						}
					}
					for (; i < value.Length; i++)
					{
						if (value[i] != '_')
						{
							builder.Append(value[i]);
						}
					}
					switch (num2)
					{
					case 2:
					case 8:
						num = Convert.ToUInt64(builder.ToString(), num2);
						break;
					case 16:
						num = ulong.Parse(builder.ToString(), NumberStyles.HexNumber, formatter.NumberFormat);
						break;
					}
				}
				else
				{
					string[] array = value.Substring(i).Split(new char[1] { ':' });
					num = 0uL;
					for (int j = 0; j < array.Length; j++)
					{
						num *= 60;
						num += ulong.Parse(array[j].Replace("_", ""), CultureInfo.InvariantCulture);
					}
				}
				if (!flag)
				{
					return CastInteger(num, typeCode);
				}
				long number = ((num != 9223372036854775808uL) ? checked(-(long)num) : long.MinValue);
				return CastInteger(number, typeCode);
			}
			finally
			{
				((IDisposable)builderWrapper/*cast due to .constrained prefix*/).Dispose();
			}
		}

		private static object CastInteger(long number, TypeCode typeCode)
		{
			return checked(typeCode switch
			{
				TypeCode.Byte => (byte)number, 
				TypeCode.Int16 => (short)number, 
				TypeCode.Int32 => (int)number, 
				TypeCode.Int64 => number, 
				TypeCode.SByte => (sbyte)number, 
				TypeCode.UInt16 => (ushort)number, 
				TypeCode.UInt32 => (uint)number, 
				TypeCode.UInt64 => (ulong)number, 
				_ => number, 
			});
		}

		private static object CastInteger(ulong number, TypeCode typeCode)
		{
			return checked(typeCode switch
			{
				TypeCode.Byte => (byte)number, 
				TypeCode.Int16 => (short)number, 
				TypeCode.Int32 => (int)number, 
				TypeCode.Int64 => (long)number, 
				TypeCode.SByte => (sbyte)number, 
				TypeCode.UInt16 => (ushort)number, 
				TypeCode.UInt32 => (uint)number, 
				TypeCode.UInt64 => number, 
				_ => number, 
			});
		}

		private object? AttemptUnknownTypeDeserialization(YamlDotNet.Core.Events.Scalar value)
		{
			if (value.Style == ScalarStyle.SingleQuoted || value.Style == ScalarStyle.DoubleQuoted || value.Style == ScalarStyle.Folded)
			{
				return value.Value;
			}
			string v = value.Value;
			switch (v)
			{
			case "null":
			case "Null":
			case "NULL":
			case "~":
			case "":
				return null;
			case "true":
			case "True":
			case "TRUE":
				return true;
			case "False":
			case "FALSE":
			case "false":
				return false;
			default:
				if (Regex.IsMatch(v, "^0x[0-9a-fA-F]+$"))
				{
					v = v.Substring(2);
					if (byte.TryParse(v, NumberStyles.AllowHexSpecifier, formatter.NumberFormat, out var result))
					{
						return result;
					}
					if (short.TryParse(v, NumberStyles.AllowHexSpecifier, formatter.NumberFormat, out var result2))
					{
						return result2;
					}
					if (int.TryParse(v, NumberStyles.AllowHexSpecifier, formatter.NumberFormat, out var result3))
					{
						return result3;
					}
					if (long.TryParse(v, NumberStyles.AllowHexSpecifier, formatter.NumberFormat, out var result4))
					{
						return result4;
					}
					if (ulong.TryParse(v, NumberStyles.AllowHexSpecifier, formatter.NumberFormat, out var result5))
					{
						return result5;
					}
					return v;
				}
				if (Regex.IsMatch(v, "^0o[0-9a-fA-F]+$"))
				{
					if (!TryAndSwallow(() => Convert.ToByte(v, 8), out object value2) && !TryAndSwallow(() => Convert.ToInt16(v, 8), out value2) && !TryAndSwallow(() => Convert.ToInt32(v, 8), out value2) && !TryAndSwallow(() => Convert.ToInt64(v, 8), out value2) && !TryAndSwallow(() => Convert.ToUInt64(v, 8), out value2))
					{
						return v;
					}
					return value2;
				}
				if (Regex.IsMatch(v, "^[-+]?(\\.[0-9]+|[0-9]+(\\.[0-9]*)?)([eE][-+]?[0-9]+)?$"))
				{
					if (byte.TryParse(v, NumberStyles.Integer, formatter.NumberFormat, out var result6))
					{
						return result6;
					}
					if (short.TryParse(v, NumberStyles.Integer, formatter.NumberFormat, out var result7))
					{
						return result7;
					}
					if (int.TryParse(v, NumberStyles.Integer, formatter.NumberFormat, out var result8))
					{
						return result8;
					}
					if (long.TryParse(v, NumberStyles.Integer, formatter.NumberFormat, out var result9))
					{
						return result9;
					}
					if (ulong.TryParse(v, NumberStyles.Integer, formatter.NumberFormat, out var result10))
					{
						return result10;
					}
					if (float.TryParse(v, NumberStyles.Float, formatter.NumberFormat, out var result11))
					{
						return result11;
					}
					if (double.TryParse(v, NumberStyles.Float, formatter.NumberFormat, out var result12))
					{
						return result12;
					}
					return v;
				}
				if (Regex.IsMatch(v, "^[-+]?(\\.inf|\\.Inf|\\.INF)$"))
				{
					if (Polyfills.StartsWith(v, '-'))
					{
						return float.NegativeInfinity;
					}
					return float.PositiveInfinity;
				}
				if (Regex.IsMatch(v, "^(\\.nan|\\.NaN|\\.NAN)$"))
				{
					return float.NaN;
				}
				return v;
			}
		}

		private static bool TryAndSwallow(Func<object> attempt, out object? value)
		{
			try
			{
				value = attempt();
				return true;
			}
			catch
			{
				value = null;
				return false;
			}
		}
	}
	internal sealed class StaticArrayNodeDeserializer : INodeDeserializer
	{
		private sealed class ArrayList : IList, ICollection, IEnumerable
		{
			private object?[] data;

			public bool IsFixedSize => false;

			public bool IsReadOnly => false;

			public object? this[int index]
			{
				get
				{
					return data[index];
				}
				set
				{
					data[index] = value;
				}
			}

			public int Count { get; private set; }

			public bool IsSynchronized => false;

			public object SyncRoot => data;

			public ArrayList()
			{
				Clear();
			}

			public int Add(object? value)
			{
				if (Count == data.Length)
				{
					Array.Resize(ref data, data.Length * 2);
				}
				data[Count] = value;
				return Count++;
			}

			public void Clear()
			{
				data = new object[10];
				Count = 0;
			}

			bool IList.Contains(object? value)
			{
				throw new NotSupportedException();
			}

			int IList.IndexOf(object? value)
			{
				throw new NotSupportedException();
			}

			void IList.Insert(int index, object? value)
			{
				throw new NotSupportedException();
			}

			void IList.Remove(object? value)
			{
				throw new NotSupportedException();
			}

			void IList.RemoveAt(int index)
			{
				throw new NotSupportedException();
			}

			public void CopyTo(Array array, int index)
			{
				Array.Copy(data, 0, array, index, Count);
			}

			public IEnumerator GetEnumerator()
			{
				int i = 0;
				while (i < Count)
				{
					yield return data[i];
					int num = i + 1;
					i = num;
				}
			}
		}

		private readonly StaticObjectFactory factory;

		public StaticArrayNodeDeserializer(StaticObjectFactory factory)
		{
			this.factory = factory ?? throw new ArgumentNullException("factory");
		}

		public bool Deserialize(IParser parser, Type expectedType, Func<IParser, Type, object?> nestedObjectDeserializer, out object? value, ObjectDeserializer rootDeserializer)
		{
			if (!factory.IsArray(expectedType))
			{
				value = false;
				return false;
			}
			Type valueType = factory.GetValueType(expectedType);
			ArrayList arrayList = new ArrayList();
			StaticCollectionNodeDeserializer.DeserializeHelper(valueType, parser, nestedObjectDeserializer, arrayList, factory);
			Array array = factory.CreateArray(expectedType, arrayList.Count);
			arrayList.CopyTo(array, 0);
			value = array;
			return true;
		}
	}
	internal sealed class StaticCollectionNodeDeserializer : INodeDeserializer
	{
		private readonly StaticObjectFactory factory;

		public StaticCollectionNodeDeserializer(StaticObjectFactory factory)
		{
			this.factory = factory ?? throw new ArgumentNullException("factory");
		}

		public bool Deserialize(IParser parser, Type expectedType, Func<IParser, Type, object?> nestedObjectDeserializer, out object? value, ObjectDeserializer rootDeserializer)
		{
			if (!factory.IsList(expectedType))
			{
				value = null;
				return false;
			}
			DeserializeHelper(result: (IList)(value = factory.Create(expectedType) as IList), tItem: factory.GetValueType(expectedType), parser: parser, nestedObjectDeserializer: nestedObjectDeserializer, factory: factory);
			return true;
		}

		internal static void DeserializeHelper(Type tItem, IParser parser, Func<IParser, Type, object?> nestedObjectDeserializer, IList result, IObjectFactory factory)
		{
			parser.Consume<SequenceStart>();
			SequenceEnd @event;
			while (!parser.TryConsume<SequenceEnd>(out @event))
			{
				ParsingEvent current = parser.Current;
				object obj = nestedObjectDeserializer(parser, tItem);
				if (obj is IValuePromise valuePromise)
				{
					int index = result.Add(factory.CreatePrimitive(tItem));
					valuePromise.ValueAvailable += delegate(object? v)
					{
						result[index] = v;
					};
				}
				else
				{
					result.Add(obj);
				}
			}
		}
	}
	internal class StaticDictionaryNodeDeserializer : DictionaryDeserializer, INodeDeserializer
	{
		private readonly StaticObjectFactory objectFactory;

		public StaticDictionaryNodeDeserializer(StaticObjectFactory objectFactory, bool duplicateKeyChecking)
			: base(duplicateKeyChecking)
		{
			this.objectFactory = objectFactory ?? throw new ArgumentNullException("objectFactory");
		}

		public bool Deserialize(IParser reader, Type expectedType, Func<IParser, Type, object?> nestedObjectDeserializer, out object? value, ObjectDeserializer rootDeserializer)
		{
			if (objectFactory.IsDictionary(expectedType))
			{
				if (!(objectFactory.Create(expectedType) is IDictionary dictionary))
				{
					value = null;
					return false;
				}
				Type keyType = objectFactory.GetKeyType(expectedType);
				Type valueType = objectFactory.GetValueType(expectedType);
				value = dictionary;
				base.Deserialize(keyType, valueType, reader, nestedObjectDeserializer, dictionary, rootDeserializer);
				return true;
			}
			value = null;
			return false;
		}
	}
	internal sealed class TypeConverterNodeDeserializer : INodeDeserializer
	{
		private readonly TypeConverterCache converters;

		public TypeConverterNodeDeserializer(IEnumerable<IYamlTypeConverter> converters)
		{
			this.converters = new TypeConverterCache(converters);
		}

		public bool Deserialize(IParser parser, Type expectedType, Func<IParser, Type, object?> nestedObjectDeserializer, out object? value, ObjectDeserializer rootDeserializer)
		{
			if (!converters.TryGetConverterForType(expectedType, out IYamlTypeConverter typeConverter))
			{
				value = null;
				return false;
			}
			value = typeConverter.ReadYaml(parser, expectedType, rootDeserializer);
			return true;
		}
	}
	internal sealed class YamlConvertibleNodeDeserializer : INodeDeserializer
	{
		private readonly IObjectFactory objectFactory;

		public YamlConvertibleNodeDeserializer(IObjectFactory objectFactory)
		{
			this.objectFactory = objectFactory;
		}

		public bool Deserialize(IParser parser, Type expectedType, Func<IParser, Type, object?> nestedObjectDeserializer, out object? value, ObjectDeserializer rootDeserializer)
		{
			if (typeof(IYamlConvertible).IsAssignableFrom(expectedType))
			{
				IYamlConvertible yamlConvertible = (IYamlConvertible)objectFactory.Create(expectedType);
				yamlConvertible.Read(parser, expectedType, (Type type) => nestedObjectDeserializer(parser, type));
				value = yamlConvertible;
				return true;
			}
			value = null;
			return false;
		}
	}
	internal sealed class YamlSerializableNodeDeserializer : INodeDeserializer
	{
		private readonly IObjectFactory objectFactory;

		public YamlSerializableNodeDeserializer(IObjectFactory objectFactory)
		{
			this.objectFactory = objectFactory;
		}

		public bool Deserialize(IParser parser, Type expectedType, Func<IParser, Type, object?> nestedObjectDeserializer, out object? value, ObjectDeserializer rootDeserializer)
		{
			if (typeof(IYamlSerializable).IsAssignableFrom(expectedType))
			{
				IYamlSerializable yamlSerializable = (IYamlSerializable)objectFactory.Create(expectedType);
				yamlSerializable.ReadYaml(parser);
				value = yamlSerializable;
				return true;
			}
			value = null;
			return false;
		}
	}
}
namespace YamlDotNet.Serialization.NamingConventions
{
	internal sealed class CamelCaseNamingConvention : INamingConvention
	{
		public static readonly INamingConvention Instance = new CamelCaseNamingConvention();

		[Obsolete("Use the Instance static field instead of creating new instances")]
		public CamelCaseNamingConvention()
		{
		}

		public string Apply(string value)
		{
			return value.ToCamelCase();
		}

		public string Reverse(string value)
		{
			return value.ToPascalCase();
		}
	}
	internal sealed class HyphenatedNamingConvention : INamingConvention
	{
		public static readonly INamingConvention Instance = new HyphenatedNamingConvention();

		[Obsolete("Use the Instance static field instead of creating new instances")]
		public HyphenatedNamingConvention()
		{
		}

		public string Apply(string value)
		{
			return value.FromCamelCase("-");
		}

		public string Reverse(string value)
		{
			return value.ToPascalCase();
		}
	}
	internal sealed class LowerCaseNamingConvention : INamingConvention
	{
		public static readonly INamingConvention Instance = new LowerCaseNamingConvention();

		private LowerCaseNamingConvention()
		{
		}

		public string Apply(string value)
		{
			return value.ToCamelCase().ToLower(CultureInfo.InvariantCulture);
		}

		public string Reverse(string value)
		{
			if (string.IsNullOrEmpty(value))
			{
				return value;
			}
			return char.ToUpperInvariant(value[0]) + value.Substring(1);
		}
	}
	internal sealed class NullNamingConvention : INamingConvention
	{
		public static readonly INamingConvention Instance = new NullNamingConvention();

		[Obsolete("Use the Instance static field instead of creating new instances")]
		public NullNamingConvention()
		{
		}

		public string Apply(string value)
		{
			return value;
		}

		public string Reverse(string value)
		{
			return value;
		}
	}
	internal sealed class PascalCaseNamingConvention : INamingConvention
	{
		public static readonly INamingConvention Instance = new PascalCaseNamingConvention();

		[Obsolete("Use the Instance static field instead of creating new instances")]
		public PascalCaseNamingConvention()
		{
		}

		public string Apply(string value)
		{
			return value.ToPascalCase();
		}

		public string Reverse(string value)
		{
			return value.ToPascalCase();
		}
	}
	internal sealed class UnderscoredNamingConvention : INamingConvention
	{
		public static readonly INamingConvention Instance = new UnderscoredNamingConvention();

		[Obsolete("Use the Instance static field instead of creating new instances")]
		public UnderscoredNamingConvention()
		{
		}

		public string Apply(string value)
		{
			return value.FromCamelCase("_");
		}

		public string Reverse(string value)
		{
			return value.ToPascalCase();
		}
	}
}
namespace YamlDotNet.Serialization.EventEmitters
{
	internal abstract class ChainedEventEmitter : IEventEmitter
	{
		protected readonly IEventEmitter nextEmitter;

		protected ChainedEventEmitter(IEventEmitter nextEmitter)
		{
			this.nextEmitter = nextEmitter ?? throw new ArgumentNullException("nextEmitter");
		}

		public virtual void Emit(AliasEventInfo eventInfo, IEmitter emitter)
		{
			nextEmitter.Emit(eventInfo, emitter);
		}

		public virtual void Emit(ScalarEventInfo eventInfo, IEmitter emitter)
		{
			nextEmitter.Emit(eventInfo, emitter);
		}

		public virtual void Emit(MappingStartEventInfo eventInfo, IEmitter emitter)
		{
			nextEmitter.Emit(eventInfo, emitter);
		}

		public virtual void Emit(MappingEndEventInfo eventInfo, IEmitter emitter)
		{
			nextEmitter.Emit(eventInfo, emitter);
		}

		public virtual void Emit(SequenceStartEventInfo eventInfo, IEmitter emitter)
		{
			nextEmitter.Emit(eventInfo, emitter);
		}

		public virtual void Emit(SequenceEndEventInfo eventInfo, IEmitter emitter)
		{
			nextEmitter.Emit(eventInfo, emitter);
		}
	}
	internal sealed class JsonEventEmitter : ChainedEventEmitter
	{
		private readonly YamlFormatter formatter;

		private readonly INamingConvention enumNamingConvention;

		private readonly ITypeInspector typeInspector;

		public JsonEventEmitter(IEventEmitter nextEmitter, YamlFormatter formatter, INamingConvention enumNamingConvention, ITypeInspector typeInspector)
			: base(nextEmitter)
		{
			this.formatter = formatter;
			this.enumNamingConvention = enumNamingConvention;
			this.typeInspector = typeInspector;
		}

		public override void Emit(AliasEventInfo eventInfo, IEmitter emitter)
		{
			eventInfo.NeedsExpansion = true;
		}

		public override void Emit(ScalarEventInfo eventInfo, IEmitter emitter)
		{
			eventInfo.IsPlainImplicit = true;
			eventInfo.Style = ScalarStyle.Plain;
			object value = eventInfo.Source.Value;
			if (value == null)
			{
				eventInfo.RenderedValue = "null";
			}
			else
			{
				TypeCode typeCode = eventInfo.Source.Type.GetTypeCode();
				switch (typeCode)
				{
				case TypeCode.Boolean:
					eventInfo.RenderedValue = formatter.FormatBoolean(value);
					break;
				case TypeCode.SByte:
				case TypeCode.Byte:
				case TypeCode.Int16:
				case TypeCode.UInt16:
				case TypeCode.Int32:
				case TypeCode.UInt32:
				case TypeCode.Int64:
				case TypeCode.UInt64:
					if (eventInfo.Source.Type.IsEnum())
					{
						eventInfo.RenderedValue = formatter.FormatEnum(value, typeInspector, enumNamingConvention);
						eventInfo.Style = ((!formatter.PotentiallyQuoteEnums(value)) ? ScalarStyle.Plain : ScalarStyle.DoubleQuoted);
					}
					else
					{
						eventInfo.RenderedValue = formatter.FormatNumber(value);
					}
					break;
				case TypeCode.Single:
				{
					float f = (float)value;
					eventInfo.RenderedValue = f.ToString("G", CultureInfo.InvariantCulture);
					if (float.IsNaN(f) || float.IsInfinity(f))
					{
						eventInfo.Style = ScalarStyle.DoubleQuoted;
					}
					break;
				}
				case TypeCode.Double:
				{
					double d = (double)value;
					eventInfo.RenderedValue = d.ToString("G", CultureInfo.InvariantCulture);
					if (double.IsNaN(d) || double.IsInfinity(d))
					{
						eventInfo.Style = ScalarStyle.DoubleQuoted;
					}
					break;
				}
				case TypeCode.Decimal:
					eventInfo.RenderedValue = ((decimal)value).ToString(CultureInfo.InvariantCulture);
					break;
				case TypeCode.Char:
				case TypeCode.String:
					eventInfo.RenderedValue = value.ToString();
					eventInfo.Style = ScalarStyle.DoubleQuoted;
					break;
				case TypeCode.DateTime:
					eventInfo.RenderedValue = formatter.FormatDateTime(value);
					break;
				case TypeCode.Empty:
					eventInfo.RenderedValue = "null";
					break;
				default:
					if (eventInfo.Source.Type == typeof(TimeSpan))
					{
						eventInfo.RenderedValue = formatter.FormatTimeSpan(value);
						break;
					}
					throw new NotSupportedException($"TypeCode.{typeCode} is not supported.");
				}
			}
			base.Emit(eventInfo, emitter);
		}

		public override void Emit(MappingStartEventInfo eventInfo, IEmitter emitter)
		{
			eventInfo.Style = MappingStyle.Flow;
			base.Emit(eventInfo, emitter);
		}

		public override void Emit(SequenceStartEventInfo eventInfo, IEmitter emitter)
		{
			eventInfo.Style = SequenceStyle.Flow;
			base.Emit(eventInfo, emitter);
		}
	}
	internal sealed class TypeAssigningEventEmitter : ChainedEventEmitter
	{
		private readonly IDictionary<Type, TagName> tagMappings;

		private readonly bool quoteNecessaryStrings;

		private readonly Regex? isSpecialStringValue_Regex;

		private static readonly string SpecialStrings_Pattern = "^(null|Null|NULL|\\~|true|True|TRUE|false|False|FALSE|[-+]?[0-9]+|0o[0-7]+|0x[0-9a-fA-F]+|[-+]?(\\.[0-9]+|[0-9]+(\\.[0-9]*)?)([eE][-+]?[0-9]+)?|[-+]?(\\.inf|\\.Inf|\\.INF)|\\.nan|\\.NaN|\\.NAN|\\s.*)$";

		private static readonly string CombinedYaml1_1SpecialStrings_Pattern = "^(null|Null|NULL|\\~|true|True|TRUE|false|False|FALSE|y|Y|yes|Yes|YES|n|N|no|No|NO|on|On|ON|off|Off|OFF|[-+]?0b[0-1_]+|[-+]?0o?[0-7_]+|[-+]?(0|[1-9][0-9_]*)|[-+]?0x[0-9a-fA-F_]+|[-+]?[1-9][0-9_]*(:[0-5]?[0-9])+|[-+]?([0-9][0-9_]*)?\\.[0-9_]*([eE][-+][0-9]+)?|[-+]?[0-9][0-9_]*(:[0-5]?[0-9])+\\.[0-9_]*|[-+]?\\.(inf|Inf|INF)|\\.(nan|NaN|NAN))$";

		private readonly ScalarStyle defaultScalarStyle;

		private readonly YamlFormatter formatter;

		private readonly INamingConvention enumNamingConvention;

		private readonly ITypeInspector typeInspector;

		public TypeAssigningEventEmitter(IEventEmitter nextEmitter, IDictionary<Type, TagName> tagMappings, bool quoteNecessaryStrings, bool quoteYaml1_1Strings, ScalarStyle defaultScalarStyle, YamlFormatter formatter, INamingConvention enumNamingConvention, ITypeInspector typeInspector)
			: base(nextEmitter)
		{
			this.defaultScalarStyle = defaultScalarStyle;
			this.formatter = formatter;
			this.tagMappings = tagMappings;
			this.quoteNecessaryStrings = quoteNecessaryStrings;
			isSpecialStringValue_Regex = new Regex(quoteYaml1_1Strings ? CombinedYaml1_1SpecialStrings_Pattern : SpecialStrings_Pattern, RegexOptions.Compiled);
			this.enumNamingConvention = enumNamingConvention;
			this.typeInspector = typeInspector;
		}

		public override void Emit(ScalarEventInfo eventInfo, IEmitter emitter)
		{
			ScalarStyle style = ScalarStyle.Plain;
			object value = eventInfo.Source.Value;
			if (value == null)
			{
				eventInfo.Tag = JsonSchema.Tags.Null;
				eventInfo.RenderedValue = "";
			}
			else
			{
				TypeCode typeCode = eventInfo.Source.Type.GetTypeCode();
				switch (typeCode)
				{
				case TypeCode.Boolean:
					eventInfo.Tag = JsonSchema.Tags.Bool;
					eventInfo.RenderedValue = formatter.FormatBoolean(value);
					break;
				case TypeCode.SByte:
				case TypeCode.Byte:
				case TypeCode.Int16:
				case TypeCode.UInt16:
				case TypeCode.Int32:
				case TypeCode.UInt32:
				case TypeCode.Int64:
				case TypeCode.UInt64:
					if (eventInfo.Source.Type.IsEnum)
					{
						eventInfo.Tag = FailsafeSchema.Tags.Str;
						eventInfo.RenderedValue = formatter.FormatEnum(value, typeInspector, enumNamingConvention);
						style = ((!quoteNecessaryStrings || !IsSpecialStringValue(eventInfo.RenderedValue) || !formatter.PotentiallyQuoteEnums(value)) ? defaultScalarStyle : ScalarStyle.DoubleQuoted);
					}
					else
					{
						eventInfo.Tag = JsonSchema.Tags.Int;
						eventInfo.RenderedValue = formatter.FormatNumber(value);
					}
					break;
				case TypeCode.Single:
					eventInfo.Tag = JsonSchema.Tags.Float;
					eventInfo.RenderedValue = formatter.FormatNumber((float)value);
					break;
				case TypeCode.Double:
					eventInfo.Tag = JsonSchema.Tags.Float;
					eventInfo.RenderedValue = formatter.FormatNumber((double)value);
					break;
				case TypeCode.Decimal:
					eventInfo.Tag = JsonSchema.Tags.Float;
					eventInfo.RenderedValue = formatter.FormatNumber(value);
					break;
				case TypeCode.Char:
				case TypeCode.String:
					eventInfo.Tag = FailsafeSchema.Tags.Str;
					eventInfo.RenderedValue = value.ToString();
					style = ((!quoteNecessaryStrings || !IsSpecialStringValue(eventInfo.RenderedValue)) ? defaultScalarStyle : ScalarStyle.DoubleQuoted);
					break;
				case TypeCode.DateTime:
					eventInfo.Tag = DefaultSchema.Tags.Timestamp;
					eventInfo.RenderedValue = formatter.FormatDateTime(value);
					break;
				case TypeCode.Empty:
					eventInfo.Tag = JsonSchema.Tags.Null;
					eventInfo.RenderedValue = "";
					break;
				default:
					if (eventInfo.Source.Type == typeof(TimeSpan))
					{
						eventInfo.RenderedValue = formatter.FormatTimeSpan(value);
						break;
					}
					throw new NotSupportedException($"TypeCode.{typeCode} is not supported.");
				}
			}
			eventInfo.IsPlainImplicit = true;
			if (eventInfo.Style == ScalarStyle.Any)
			{
				eventInfo.Style = style;
			}
			base.Emit(eventInfo, emitter);
		}

		public override void Emit(MappingStartEventInfo eventInfo, IEmitter emitter)
		{
			AssignTypeIfNeeded(eventInfo);
			base.Emit(eventInfo, emitter);
		}

		public override void Emit(SequenceStartEventInfo eventInfo, IEmitter emitter)
		{
			AssignTypeIfNeeded(eventInfo);
			base.Emit(eventInfo, emitter);
		}

		private void AssignTypeIfNeeded(ObjectEventInfo eventInfo)
		{
			if (tagMappings.TryGetValue(eventInfo.Source.Type, out var value))
			{
				eventInfo.Tag = value;
			}
		}

		private bool IsSpecialStringValue(string value)
		{
			if (value.Trim() == string.Empty)
			{
				return true;
			}
			return isSpecialStringValue_Regex?.IsMatch(value) ?? false;
		}
	}
	internal sealed class WriterEventEmitter : IEventEmitter
	{
		void IEventEmitter.Emit(AliasEventInfo eventInfo, IEmitter emitter)
		{
			emitter.Emit(new YamlDotNet.Core.Events.AnchorAlias(eventInfo.Alias));
		}

		void IEventEmitter.Emit(ScalarEventInfo eventInfo, IEmitter emitter)
		{
			emitter.Emit(new YamlDotNet.Core.Events.Scalar(eventInfo.Anchor, eventInfo.Tag, eventInfo.RenderedValue, eventInfo.Style, eventInfo.IsPlainImplicit, eventInfo.IsQuotedImplicit));
		}

		void IEventEmitter.Emit(MappingStartEventInfo eventInfo, IEmitter emitter)
		{
			emitter.Emit(new MappingStart(eventInfo.Anchor, eventInfo.Tag, eventInfo.IsImplicit, eventInfo.Style));
		}

		void IEventEmitter.Emit(MappingEndEventInfo eventInfo, IEmitter emitter)
		{
			emitter.Emit(new MappingEnd());
		}

		void IEventEmitter.Emit(SequenceStartEventInfo eventInfo, IEmitter emitter)
		{
			emitter.Emit(new SequenceStart(eventInfo.Anchor, eventInfo.Tag, eventInfo.IsImplicit, eventInfo.Style));
		}

		void IEventEmitter.Emit(SequenceEndEventInfo eventInfo, IEmitter emitter)
		{
			emitter.Emit(new SequenceEnd());
		}
	}
}
namespace YamlDotNet.Serialization.Converters
{
	internal class DateTime8601Converter : IYamlTypeConverter
	{
		private readonly ScalarStyle scalarStyle;

		public DateTime8601Converter()
			: this(ScalarStyle.Any)
		{
		}

		public DateTime8601Converter(ScalarStyle scalarStyle)
		{
			this.scalarStyle = scalarStyle;
		}

		public bool Accepts(Type type)
		{
			return type == typeof(DateTime);
		}

		public object ReadYaml(IParser parser, Type type, ObjectDeserializer rootDeserializer)
		{
			string value = parser.Consume<YamlDotNet.Core.Events.Scalar>().Value;
			DateTime dateTime = DateTime.ParseExact(value, "O", CultureInfo.InvariantCulture, DateTimeStyles.RoundtripKind);
			return dateTime;
		}

		public void WriteYaml(IEmitter emitter, object? value, Type type, ObjectSerializer serializer)
		{
			string value2 = ((DateTime)value).ToString("O", CultureInfo.InvariantCulture);
			emitter.Emit(new YamlDotNet.Core.Events.Scalar(AnchorName.Empty, TagName.Empty, value2, scalarStyle, isPlainImplicit: true, isQuotedImplicit: false));
		}
	}
	internal class DateTimeConverter : IYamlTypeConverter
	{
		private readonly DateTimeKind kind;

		private readonly IFormatProvider provider;

		private readonly bool doubleQuotes;

		private readonly string[] formats;

		public DateTimeConverter(DateTimeKind kind = DateTimeKind.Utc, IFormatProvider? provider = null, bool doubleQuotes = false, params string[] formats)
		{
			this.kind = ((kind == DateTimeKind.Unspecified) ? DateTimeKind.Utc : kind);
			this.provider = provider ?? CultureInfo.InvariantCulture;
			this.doubleQuotes = doubleQuotes;
			this.formats = formats.DefaultIfEmpty("G").ToArray();
		}

		public bool Accepts(Type type)
		{
			return type == typeof(DateTime);
		}

		public object ReadYaml(IParser parser, Type type, ObjectDeserializer rootDeserializer)
		{
			string value = parser.Consume<YamlDotNet.Core.Events.Scalar>().Value;
			DateTimeStyles style = ((kind == DateTimeKind.Local) ? DateTimeStyles.AssumeLocal : DateTimeStyles.AssumeUniversal);
			DateTime dt = DateTime.ParseExact(value, formats, provider, style);
			dt = EnsureDateTimeKind(dt, kind);
			return dt;
		}

		public void WriteYaml(IEmitter emitter, object? value, Type type, ObjectSerializer serializer)
		{
			DateTime dateTime = (DateTime)value;
			string value2 = ((kind == DateTimeKind.Local) ? dateTime.ToLocalTime() : dateTime.ToUniversalTime()).ToString(formats.First(), provider);
			emitter.Emit(new YamlDotNet.Core.Events.Scalar(AnchorName.Empty, TagName.Empty, value2, doubleQuotes ? ScalarStyle.DoubleQuoted : ScalarStyle.Any, isPlainImplicit: true, isQuotedImplicit: false));
		}

		private static DateTime EnsureDateTimeKind(DateTime dt, DateTimeKind kind)
		{
			if (dt.Kind == DateTimeKind.Local && kind == DateTimeKind.Utc)
			{
				return dt.ToUniversalTime();
			}
			if (dt.Kind == DateTimeKind.Utc && kind == DateTimeKind.Local)
			{
				return dt.ToLocalTime();
			}
			return dt;
		}
	}
	internal class DateTimeOffsetConverter : IYamlTypeConverter
	{
		private readonly IFormatProvider provider;

		private readonly ScalarStyle style;

		private readonly DateTimeStyles dateStyle;

		private readonly string[] formats;

		public DateTimeOffsetConverter(IFormatProvider? provider = null, ScalarStyle style = ScalarStyle.Any, DateTimeStyles dateStyle = DateTimeStyles.None, params string[] formats)
		{
			this.provider = provider ?? CultureInfo.InvariantCulture;
			this.style = style;
			this.dateStyle = dateStyle;
			this.formats = formats.DefaultIfEmpty("O").ToArray();
		}

		public bool Accepts(Type type)
		{
			return type == typeof(DateTimeOffset);
		}

		public object ReadYaml(IParser parser, Type type, ObjectDeserializer rootDeserializer)
		{
			string value = parser.Consume<YamlDotNet.Core.Events.Scalar>().Value;
			DateTimeOffset dateTimeOffset = DateTimeOffset.ParseExact(value, formats, provider, dateStyle);
			return dateTimeOffset;
		}

		public void WriteYaml(IEmitter emitter, object? value, Type type, ObjectSerializer serializer)
		{
			string value2 = ((DateTimeOffset)value).ToString(formats.First(), provider);
			emitter.Emit(new YamlDotNet.Core.Events.Scalar(AnchorName.Empty, TagName.Empty, value2, style, isPlainImplicit: true, isQuotedImplicit: false));
		}
	}
	internal class GuidConverter : IYamlTypeConverter
	{
		private readonly bool jsonCompatible;

		public GuidConverter(bool jsonCompatible)
		{
			this.jsonCompatible = jsonCompatible;
		}

		public bool Accepts(Type type)
		{
			return type == typeof(Guid);
		}

		public object ReadYaml(IParser parser, Type type, ObjectDeserializer rootDeserializer)
		{
			string value = parser.Consume<YamlDotNet.Core.Events.Scalar>().Value;
			return new Guid(value);
		}

		public void WriteYaml(IEmitter emitter, object? value, Type type, ObjectSerializer serializer)
		{
			Guid guid = (Guid)value;
			emitter.Emit(new YamlDotNet.Core.Events.Scalar(AnchorName.Empty, TagName.Empty, guid.ToString("D"), jsonCompatible ? ScalarStyle.DoubleQuoted : ScalarStyle.Any, isPlainImplicit: true, isQuotedImplicit: false));
		}
	}
	internal class SystemTypeConverter : IYamlTypeConverter
	{
		public bool Accepts(Type type)
		{
			return typeof(Type).IsAssignableFrom(type);
		}

		public object ReadYaml(IParser parser, Type type, ObjectDeserializer rootDeserializer)
		{
			string value = parser.Consume<YamlDotNet.Core.Events.Scalar>().Value;
			return Type.GetType(value, throwOnError: true);
		}

		public void WriteYaml(IEmitter emitter, object? value, Type type, ObjectSerializer serializer)
		{
			Type type2 = (Type)value;
			emitter.Emit(new YamlDotNet.Core.Events.Scalar(AnchorName.Empty, TagName.Empty, type2.AssemblyQualifiedName, ScalarStyle.Any, isPlainImplicit: true, isQuotedImplicit: false));
		}
	}
}
namespace YamlDotNet.Serialization.Callbacks
{
	[AttributeUsage(AttributeTargets.Method)]
	internal sealed class OnDeserializedAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Method)]
	internal sealed class OnDeserializingAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Method)]
	internal sealed class OnSerializedAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Method)]
	internal sealed class OnSerializingAttribute : Attribute
	{
	}
}
namespace YamlDotNet.Serialization.BufferedDeserialization
{
	internal interface ITypeDiscriminatingNodeDeserializerOptions
	{
		void AddTypeDiscriminator(ITypeDiscriminator discriminator);

		void AddKeyValueTypeDiscriminator<T>(string discriminatorKey, IDictionary<string, Type> valueTypeMapping);

		void AddUniqueKeyTypeDiscriminator<T>(IDictionary<string, Type> uniqueKeyTypeMapping);
	}
	internal class ParserBuffer : IParser
	{
		private readonly LinkedList<ParsingEvent> buffer;

		private LinkedListNode<ParsingEvent>? current;

		public ParsingEvent? Current => current?.Value;

		public ParserBuffer(IParser parserToBuffer, int maxDepth, int maxLength)
		{
			buffer = new LinkedList<ParsingEvent>();
			buffer.AddLast(parserToBuffer.Consume<MappingStart>());
			int num = 0;
			do
			{
				ParsingEvent parsingEvent = parserToBuffer.Consume<ParsingEvent>();
				num += parsingEvent.NestingIncrease;
				buffer.AddLast(parsingEvent);
				if (maxDepth > -1 && num > maxDepth)
				{
					throw new ArgumentOutOfRangeException("parserToBuffer", "Parser buffer exceeded max depth");
				}
				if (maxLength > -1 && buffer.Count > maxLength)
				{
					throw new ArgumentOutOfRangeException("parserToBuffer", "Parser buffer exceeded max length");
				}
			}
			while (num >= 0);
			current = buffer.First;
		}

		public bool MoveNext()
		{
			current = current?.Next;
			return current != null;
		}

		public void Reset()
		{
			current = buffer.First;
		}
	}
	internal class TypeDiscriminatingNodeDeserializer : INodeDeserializer
	{
		private readonly IList<INodeDeserializer> innerDeserializers;

		private readonly IList<ITypeDiscriminator> typeDiscriminators;

		private readonly int maxDepthToBuffer;

		private readonly int maxLengthToBuffer;

		public TypeDiscriminatingNodeDeserializer(IList<INodeDeserializer> innerDeserializers, IList<ITypeDiscriminator> typeDiscriminators, int maxDepthToBuffer, int maxLengthToBuffer)
		{
			this.innerDeserializers = innerDeserializers;
			this.typeDiscriminators = typeDiscriminators;
			this.maxDepthToBuffer = maxDepthToBuffer;
			this.maxLengthToBuffer = maxLengthToBuffer;
		}

		public bool Deserialize(IParser reader, Type expectedType, Func<IParser, Type, object?> nestedObjectDeserializer, out object? value, ObjectDeserializer rootDeserializer)
		{
			if (!reader.Accept<MappingStart>(out var _))
			{
				value = null;
				return false;
			}
			IEnumerable<ITypeDiscriminator> enumerable = typeDiscriminators.Where((ITypeDiscriminator t) => t.BaseType.IsAssignableFrom(expectedType));
			if (!enumerable.Any())
			{
				value = null;
				return false;
			}
			Mark start = reader.Current.Start;
			Type expectedType2 = expectedType;
			ParserBuffer parserBuffer;
			try
			{
				parserBuffer = new ParserBuffer(reader, maxDepthToBuffer, maxLengthToBuffer);
			}
			catch (Exception innerException)
			{
				throw new YamlException(in start, reader.Current.End, "Failed to buffer yaml node", innerException);
			}
			try
			{
				foreach (ITypeDiscriminator item in enumerable)
				{
					parserBuffer.Reset();
					if (item.TryDiscriminate(parserBuffer, out Type suggestedType))
					{
						expectedType2 = suggestedType;
						break;
					}
				}
			}
			catch (Exception innerException2)
			{
				throw new YamlException(in start, reader.Current.End, "Failed to discriminate type", innerException2);
			}
			parserBuffer.Reset();
			foreach (INodeDeserializer innerDeserializer in innerDeserializers)
			{
				if (innerDeserializer.Deserialize(parserBuffer, expectedType2, nestedObjectDeserializer, out value, rootDeserializer))
				{
					return true;
				}
			}
			value = null;
			return false;
		}
	}
	internal class TypeDiscriminatingNodeDeserializerOptions : ITypeDiscriminatingNodeDeserializerOptions
	{
		internal readonly List<ITypeDiscriminator> discriminators = new List<ITypeDiscriminator>();

		public void AddTypeDiscriminator(ITypeDiscriminator discriminator)
		{
			discriminators.Add(discriminator);
		}

		public void AddKeyValueTypeDiscriminator<T>(string discriminatorKey, IDictionary<string, Type> valueTypeMapping)
		{
			discriminators.Add(new KeyValueTypeDiscriminator(typeof(T), discriminatorKey, valueTypeMapping));
		}

		public void AddUniqueKeyTypeDiscriminator<T>(IDictionary<string, Type> uniqueKeyTypeMapping)
		{
			discriminators.Add(new UniqueKeyTypeDiscriminator(typeof(T), uniqueKeyTypeMapping));
		}
	}
}
namespace YamlDotNet.Serialization.BufferedDeserialization.TypeDiscriminators
{
	internal interface ITypeDiscriminator
	{
		Type BaseType { get; }

		bool TryDiscriminate(IParser buffer, out Type? suggestedType);
	}
	internal class KeyValueTypeDiscriminator : ITypeDiscriminator
	{
		private readonly string targetKey;

		private readonly IDictionary<string, Type> typeMapping;

		public Type BaseType { get; private set; }

		public KeyValueTypeDiscriminator(Type baseType, string targetKey, IDictionary<string, Type> typeMapping)
		{
			foreach (KeyValuePair<string, Type> item in typeMapping)
			{
				if (!baseType.IsAssignableFrom(item.Value))
				{
					throw new ArgumentOutOfRangeException("typeMapping", $"{item.Value} is not a assignable to {baseType}");
				}
			}
			BaseType = baseType;
			this.targetKey = targetKey;
			this.typeMapping = typeMapping;
		}

		public bool TryDiscriminate(IParser parser, out Type? suggestedType)
		{
			if (parser.TryFindMappingEntry((YamlDotNet.Core.Events.Scalar scalar2) => targetKey == scalar2.Value, out YamlDotNet.Core.Events.Scalar _, out ParsingEvent value) && value is YamlDotNet.Core.Events.Scalar scalar && typeMapping.TryGetValue(scalar.Value, out Type value2))
			{
				suggestedType = value2;
				return true;
			}
			suggestedType = null;
			return false;
		}
	}
	internal class UniqueKeyTypeDiscriminator : ITypeDiscriminator
	{
		private readonly IDictionary<string, Type> typeMapping;

		public Type BaseType { get; private set; }

		public UniqueKeyTypeDiscriminator(Type baseType, IDictionary<string, Type> typeMapping)
		{
			foreach (KeyValuePair<string, Type> item in typeMapping)
			{
				if (!baseType.IsAssignableFrom(item.Value))
				{
					throw new ArgumentOutOfRangeException("typeMapping", $"{item.Value} is not a assignable to {baseType}");
				}
			}
			BaseType = baseType;
			this.typeMapping = typeMapping;
		}

		public bool TryDiscriminate(IParser parser, out Type? suggestedType)
		{
			if (parser.TryFindMappingEntry((YamlDotNet.Core.Events.Scalar scalar) => typeMapping.ContainsKey(scalar.Value), out YamlDotNet.Core.Events.Scalar key, out ParsingEvent _))
			{
				suggestedType = typeMapping[key.Value];
				return true;
			}
			suggestedType = null;
			return false;
		}
	}
}
namespace YamlDotNet.RepresentationModel
{
	internal class DocumentLoadingState
	{
		private readonly Dictionary<AnchorName, YamlNode> anchors = new Dictionary<AnchorName, YamlNode>();

		private readonly List<YamlNode> nodesWithUnresolvedAliases = new List<YamlNode>();

		public void AddAnchor(YamlNode node)
		{
			if (node.Anchor.IsEmpty)
			{
				throw new ArgumentException("The specified node does not have an anchor");
			}
			anchors[node.Anchor] = node;
		}

		public YamlNode GetNode(AnchorName anchor, Mark start, Mark end)
		{
			if (anchors.TryGetValue(anchor, out YamlNode value))
			{
				return value;
			}
			throw new AnchorNotFoundException(in start, in end, $"The anchor '{anchor}' does not exists");
		}

		public bool TryGetNode(AnchorName anchor, [NotNullWhen(true)] out YamlNode? node)
		{
			return anchors.TryGetValue(anchor, out node);
		}

		public void AddNodeWithUnresolvedAliases(YamlNode node)
		{
			nodesWithUnresolvedAliases.Add(node);
		}

		public void ResolveAliases()
		{
			foreach (YamlNode nodesWithUnresolvedAlias in nodesWithUnresolvedAliases)
			{
				nodesWithUnresolvedAlias.ResolveAliases(this);
			}
		}
	}
	internal class EmitterState
	{
		public HashSet<AnchorName> EmittedAnchors { get; } = new HashSet<AnchorName>();
	}
	internal interface IYamlVisitor
	{
		void Visit(YamlStream stream);

		void Visit(YamlDocument document);

		void Visit(YamlScalarNode scalar);

		void Visit(YamlSequenceNode sequence);

		void Visit(YamlMappingNode mapping);
	}
	internal class LibYamlEventStream
	{
		private readonly IParser parser;

		public LibYamlEventStream(IParser iParser)
		{
			parser = iParser ?? throw new ArgumentNullException("iParser");
		}

		public void WriteTo(TextWriter textWriter)
		{
			while (parser.MoveNext())
			{
				ParsingEvent current = parser.Current;
				if (!(current is YamlDotNet.Core.Events.AnchorAlias anchorAlias))
				{
					if (!(current is YamlDotNet.Core.Events.DocumentEnd documentEnd))
					{
						if (!(current is YamlDotNet.Core.Events.DocumentStart documentStart))
						{
							if (!(current is MappingEnd))
							{
								if (!(current is MappingStart nodeEvent))
								{
									if (!(current is YamlDotNet.Core.Events.Scalar scalar))
									{
										if (!(current is SequenceEnd))
										{
											if (!(current is SequenceStart nodeEvent2))
											{
												if (!(current is YamlDotNet.Core.Events.StreamEnd))
												{
													if (current is YamlDotNet.Core.Events.StreamStart)
													{
														textWriter.Write("+STR");
													}
												}
												else
												{
													textWriter.Write("-STR");
												}
											}
											else
											{
												textWriter.Write("+SEQ");
												WriteAnchorAndTag(textWriter, nodeEvent2);
											}
										}
										else
										{
											textWriter.Write("-SEQ");
										}
									}
									else
									{
										textWriter.Write("=VAL");
										WriteAnchorAndTag(textWriter, scalar);
										switch (scalar.Style)
										{
										case ScalarStyle.DoubleQuoted:
											textWriter.Write(" \"");
											break;
										case ScalarStyle.SingleQuoted:
											textWriter.Write(" '");
											break;
										case ScalarStyle.Folded:
											textWriter.Write(" >");
											break;
										case ScalarStyle.Literal:
											textWriter.Write(" |");
											break;
										default:
											textWriter.Write(" :");
											break;
										}
										string value = scalar.Value;
										foreach (char c in value)
										{
											switch (c)
											{
											case '\b':
												textWriter.Write("\\b");
												break;
											case '\t':
												textWriter.Write("\\t");
												break;
											case '\n':
												textWriter.Write("\\n");
												break;
											case '\r':
												textWriter.Write("\\r");
												break;
											case '\\':
												textWriter.Write("\\\\");
												break;
											default:
												textWriter.Write(c);
												break;
											}
										}
									}
								}
								else
								{
									textWriter.Write("+MAP");
									WriteAnchorAndTag(textWriter, nodeEvent);
								}
							}
							else
							{
								textWriter.Write("-MAP");
							}
						}
						else
						{
							textWriter.Write("+DOC");
							if (!documentStart.IsImplicit)
							{
								textWriter.Write(" ---");
							}
						}
					}
					else
					{
						textWriter.Write("-DOC");
						if (!documentEnd.IsImplicit)
						{
							textWriter.Write(" ...");
						}
					}
				}
				else
				{
					textWriter.Write("=ALI *");
					textWriter.Write(anchorAlias.Value);
				}
				textWriter.WriteLine();
			}
		}

		private static void WriteAnchorAndTag(TextWriter textWriter, NodeEvent nodeEvent)
		{
			if (!nodeEvent.Anchor.IsEmpty)
			{
				textWriter.Write(" &");
				textWriter.Write(nodeEvent.Anchor);
			}
			if (!nodeEvent.Tag.IsEmpty)
			{
				textWriter.Write(" <");
				textWriter.Write(nodeEvent.Tag.Value);
				textWriter.Write(">");
			}
		}
	}
	internal class YamlAliasNode : YamlNode
	{
		public override YamlNodeType NodeType => YamlNodeType.Alias;

		internal YamlAliasNode(AnchorName anchor)
		{
			base.Anchor = anchor;
		}

		internal override void ResolveAliases(DocumentLoadingState state)
		{
			throw new NotSupportedException("Resolving an alias on an alias node does not make sense");
		}

		internal override void Emit(IEmitter emitter, EmitterState state)
		{
			throw new NotSupportedException("A YamlAliasNode is an implementation detail and should never be saved.");
		}

		public override void Accept(IYamlVisitor visitor)
		{
			throw new NotSupportedException("A YamlAliasNode is an implementation detail and should never be visited.");
		}

		public override bool Equals(object? obj)
		{
			if (obj is YamlAliasNode yamlAliasNode && Equals(yamlAliasNode))
			{
				return object.Equals(base.Anchor, yamlAliasNode.Anchor);
			}
			return false;
		}

		public override int GetHashCode()
		{
			return base.GetHashCode();
		}

		internal override string ToString(RecursionLevel level)
		{
			return "*" + base.Anchor;
		}

		internal override IEnumerable<YamlNode> SafeAllNodes(RecursionLevel level)
		{
			yield return this;
		}
	}
	internal class YamlDocument
	{
		private class AnchorAssigningVisitor : YamlVisitorBase
		{
			private readonly HashSet<AnchorName> existingAnchors = new HashSet<AnchorName>();

			private readonly Dictionary<YamlNode, bool> visitedNodes = new Dictionary<YamlNode, bool>();

			public void AssignAnchors(YamlDocument document)
			{
				existingAnchors.Clear();
				visitedNodes.Clear();
				document.Accept(this);
				Random random = new Random();
				foreach (KeyValuePair<YamlNode, bool> visitedNode in visitedNodes)
				{
					if (!visitedNode.Value)
					{
						continue;
					}
					AnchorName anchorName;
					if (!visitedNode.Key.Anchor.IsEmpty && !existingAnchors.Contains(visitedNode.Key.Anchor))
					{
						anchorName = visitedNode.Key.Anchor;
					}
					else
					{
						do
						{
							anchorName = new AnchorName(random.Next().ToString(CultureInfo.InvariantCulture));
						}
						while (existingAnchors.Contains(anchorName));
					}
					existingAnchors.Add(anchorName);
					visitedNode.Key.Anchor = anchorName;
				}
			}

			private bool VisitNodeAndFindDuplicates(YamlNode node)
			{
				if (visitedNodes.TryGetValue(node, out var value))
				{
					if (!value)
					{
						visitedNodes[node] = true;
					}
					return !value;
				}
				visitedNodes.Add(node, value: false);
				return false;
			}

			public override void Visit(YamlScalarNode scalar)
			{
				VisitNodeAndFindDuplicates(scalar);
			}

			public override void Visit(YamlMappingNode mapping)
			{
				if (!VisitNodeAndFindDuplicates(mapping))
				{
					base.Visit(mapping);
				}
			}

			public override void Visit(YamlSequenceNode sequence)
			{
				if (!VisitNodeAndFindDuplicates(sequence))
				{
					base.Visit(sequence);
				}
			}
		}

		public YamlNode RootNode { get; private set; }

		public IEnumerable<YamlNode> AllNodes => RootNode.AllNodes;

		public YamlDocument(YamlNode rootNode)
		{
			RootNode = rootNode;
		}

		public YamlDocument(string rootNode)
		{
			RootNode = new YamlScalarNode(rootNode);
		}

		internal YamlDocument(IParser parser)
		{
			DocumentLoadingState documentLoadingState = new DocumentLoadingState();
			parser.Consume<YamlDotNet.Core.Events.DocumentStart>();
			YamlDotNet.Core.Events.DocumentEnd @event;
			while (!parser.TryConsume<YamlDotNet.Core.Events.DocumentEnd>(out @event))
			{
				RootNode = YamlNode.ParseNode(parser, documentLoadingState);
				if (RootNode is YamlAliasNode)
				{
					throw new YamlException("A document cannot contain only an alias");
				}
			}
			documentLoadingState.ResolveAliases();
			if (RootNode == null)
			{
				throw new ArgumentException("Atempted to parse an empty document");
			}
		}

		private void AssignAnchors()
		{
			AnchorAssigningVisitor anchorAssigningVisitor = new AnchorAssigningVisitor();
			anchorAssigningVisitor.AssignAnchors(this);
		}

		internal void Save(IEmitter emitter, bool assignAnchors = true)
		{
			if (assignAnchors)
			{
				AssignAnchors();
			}
			emitter.Emit(new YamlDotNet.Core.Events.DocumentStart());
			RootNode.Save(emitter, new EmitterState());
			emitter.Emit(new YamlDotNet.Core.Events.DocumentEnd(isImplicit: false));
		}

		public void Accept(IYamlVisitor visitor)
		{
			visitor.Visit(this);
		}
	}
	internal sealed class YamlMappingNode : YamlNode, IEnumerable<KeyValuePair<YamlNode, YamlNode>>, IEnumerable, IYamlConvertible
	{
		private readonly OrderedDictionary<YamlNode, YamlNode> children = new OrderedDictionary<YamlNode, YamlNode>();

		public IOrderedDictionary<YamlNode, YamlNode> Children => children;

		public MappingStyle Style { get; set; }

		public override YamlNodeType NodeType => YamlNodeType.Mapping;

		internal YamlMappingNode(IParser parser, DocumentLoadingState state)
		{
			Load(parser, state);
		}

		private void Load(IParser parser, DocumentLoadingState state)
		{
			MappingStart mappingStart = parser.Consume<MappingStart>();
			Load(mappingStart, state);
			Style = mappingStart.Style;
			bool flag = false;
			MappingEnd @event;
			while (!parser.TryConsume<MappingEnd>(out @event))
			{
				YamlNode yamlNode = YamlNode.ParseNode(parser, state);
				YamlNode yamlNode2 = YamlNode.ParseNode(parser, state);
				if (!children.TryAdd(yamlNode, yamlNode2))
				{
					throw new YamlException(yamlNode.Start, yamlNode.End, $"Duplicate key {yamlNode}");
				}
				flag = flag || yamlNode is YamlAliasNode || yamlNode2 is YamlAliasNode;
			}
			if (flag)
			{
				state.AddNodeWithUnresolvedAliases(this);
			}
		}

		public YamlMappingNode()
		{
		}

		public YamlMappingNode(params KeyValuePair<YamlNode, YamlNode>[] children)
			: this((IEnumerable<KeyValuePair<YamlNode, YamlNode>>)children)
		{
		}

		public YamlMappingNode(IEnumerable<KeyValuePair<YamlNode, YamlNode>> children)
		{
			foreach (KeyValuePair<YamlNode, YamlNode> child in children)
			{
				this.children.Add(child);
			}
		}

		public YamlMappingNode(params YamlNode[] children)
			: this((IEnumerable<YamlNode>)children)
		{
		}

		public YamlMappingNode(IEnumerable<YamlNode> children)
		{
			using IEnumerator<YamlNode> enumerator = children.GetEnumerator();
			while (enumerator.MoveNext())
			{
				YamlNode current = enumerator.Current;
				if (!enumerator.MoveNext())
				{
					throw new ArgumentException("When constructing a mapping node with a sequence, the number of elements of the sequence must be even.");
				}
				Add(current, enumerator.Current);
			}
		}

		public void Add(YamlNode key, YamlNode value)
		{
			children.Add(key, value);
		}

		public void Add(string key, YamlNode value)
		{
			children.Add(new YamlScalarNode(key), value);
		}

		public void Add(YamlNode key, string value)
		{
			children.Add(key, new YamlScalarNode(value));
		}

		public void Add(string key, string value)
		{
			children.Add(new YamlScalarNode(key), new YamlScalarNode(value));
		}

		internal override void ResolveAliases(DocumentLoadingState state)
		{
			Dictionary<YamlNode, YamlNode> dictionary = null;
			Dictionary<YamlNode, YamlNode> dictionary2 = null;
			foreach (KeyValuePair<YamlNode, YamlNode> child in children)
			{
				if (child.Key is YamlAliasNode)
				{
					if (dictionary == null)
					{
						dictionary = new Dictionary<YamlNode, YamlNode>();
					}
					dictionary.Add(child.Key, state.GetNode(child.Key.Anchor, child.Key.Start, child.Key.End));
				}
				if (child.Value is YamlAliasNode)
				{
					if (dictionary2 == null)
					{
						dictionary2 = new Dictionary<YamlNode, YamlNode>();
					}
					dictionary2.Add(child.Key, state.GetNode(child.Value.Anchor, child.Value.Start, child.Value.End));
				}
			}
			if (dictionary2 != null)
			{
				foreach (KeyValuePair<YamlNode, YamlNode> item in dictionary2)
				{
					children[item.Key] = item.Value;
				}
			}
			if (dictionary == null)
			{
				return;
			}
			foreach (KeyValuePair<YamlNode, YamlNode> item2 in dictionary)
			{
				YamlNode value = children[item2.Key];
				children.Remove(item2.Key);
				children.Add(item2.Value, value);
			}
		}

		internal override void Emit(IEmitter emitter, EmitterState state)
		{
			emitter.Emit(new MappingStart(base.Anchor, base.Tag, isImplicit: true, Style));
			foreach (KeyValuePair<YamlNode, YamlNode> child in children)
			{
				child.Key.Save(emitter, state);
				child.Value.Save(emitter, state);
			}
			emitter.Emit(new MappingEnd());
		}

		public override void Accept(IYamlVisitor visitor)
		{
			visitor.Visit(this);
		}

		public override bool Equals(object? obj)
		{
			if (!(obj is YamlMappingNode yamlMappingNode) || !object.Equals(base.Tag, yamlMappingNode.Tag) || children.Count != yamlMappingNode.children.Count)
			{
				return false;
			}
			foreach (KeyValuePair<YamlNode, YamlNode> child in children)
			{
				if (!yamlMappingNode.children.TryGetValue(child.Key, out YamlNode value) || !object.Equals(child.Value, value))
				{
					return false;
				}
			}
			return true;
		}

		public override int GetHashCode()
		{
			int num = base.GetHashCode();
			foreach (KeyValuePair<YamlNode, YamlNode> child in children)
			{
				num = YamlDotNet.Core.HashCode.CombineHashCodes(num, child.Key);
				num = (child.Value.Anchor.IsEmpty ? YamlDotNet.Core.HashCode.CombineHashCodes(num, child.Value) : YamlDotNet.Core.HashCode.CombineHashCodes(num, child.Value.Anchor));
			}
			return num;
		}

		internal override IEnumerable<YamlNode> SafeAllNodes(RecursionLevel level)
		{
			level.Increment();
			yield return this;
			foreach (KeyValuePair<YamlNode, YamlNode> child in children)
			{
				foreach (YamlNode item in child.Key.SafeAllNodes(level))
				{
					yield return item;
				}
				foreach (YamlNode item2 in child.Value.SafeAllNodes(level))
				{
					yield return item2;
				}
			}
			level.Decrement();
		}

		internal override string ToString(RecursionLevel level)
		{
			if (!level.TryIncrement())
			{
				return "WARNING! INFINITE RECURSION!";
			}
			StringBuilderPool.BuilderWrapper builderWrapper = StringBuilderPool.Rent();
			try
			{
				StringBuilder builder = builderWrapper.Builder;
				builder.Append("{ ");
				foreach (KeyValuePair<YamlNode, YamlNode> child in children)
				{
					if (builder.Length > 2)
					{
						builder.Append(", ");
					}
					builder.Append("{ ").Append(child.Key.ToString(level)).Append(", ")
						.Append(child.Value.ToString(level))
						.Append(" }");
				}
				builder.Append(" }");
				level.Decrement();
				return builder.ToString();
			}
			finally
			{
				((IDisposable)builderWrapper/*cast due to .constrained prefix*/).Dispose();
			}
		}

		public IEnumerator<KeyValuePair<YamlNode, YamlNode>> GetEnumerator()
		{
			return children.GetEnumerator();
		}

		IEnumerator IEnumerable.GetEnumerator()
		{
			return GetEnumerator();
		}

		void IYamlConvertible.Read(IParser parser, Type expectedType, ObjectDeserializer nestedObjectDeserializer)
		{
			Load(parser, new DocumentLoadingState());
		}

		void IYamlConvertible.Write(IEmitter emitter, ObjectSerializer nestedObjectSerializer)
		{
			Emit(emitter, new EmitterState());
		}

		public static YamlMappingNode FromObject(object mapping)
		{
			if (mapping == null)
			{
				throw new ArgumentNullException("mapping");
			}
			YamlMappingNode yamlMappingNode = new YamlMappingNode();
			foreach (PropertyInfo publicProperty in mapping.GetType().GetPublicProperties())
			{
				if (publicProperty.CanRead && publicProperty.GetGetMethod(nonPublic: false).GetParameters().Length == 0)
				{
					object value = publicProperty.GetValue(mapping, null);
					YamlNode yamlNode = value as YamlNode;
					if (yamlNode == null)
					{
						string text = Convert.ToString(value, CultureInfo.InvariantCulture);
						yamlNode = text ?? string.Empty;
					}
					yamlMappingNode.Add(publicProperty.Name, yamlNode);
				}
			}
			return yamlMappingNode;
		}
	}
	internal abstract class YamlNode
	{
		private const int MaximumRecursionLevel = 1000;

		internal const string MaximumRecursionLevelReachedToStringValue = "WARNING! INFINITE RECURSION!";

		public AnchorName Anchor { get; set; }

		public TagName Tag { get; set; }

		public Mark Start { get; private set; } = Mark.Empty;

		public Mark End { get; private set; } = Mark.Empty;

		public IEnumerable<YamlNode> AllNodes
		{
			get
			{
				RecursionLevel level = new RecursionLevel(1000);
				return SafeAllNodes(level);
			}
		}

		public abstract YamlNodeType NodeType { get; }

		public YamlNode this[int index]
		{
			get
			{
				if (!(this is YamlSequenceNode yamlSequenceNode))
				{
					throw new ArgumentException($"Accessed '{NodeType}' with an invalid index: {index}. Only Sequences can be indexed by number.");
				}
				return yamlSequenceNode.Children[index];
			}
		}

		public YamlNode this[YamlNode key]
		{
			get
			{
				if (!(this is YamlMappingNode yamlMappingNode))
				{
					throw new ArgumentException($"Accessed '{NodeType}' with an invalid index: {key}. Only Mappings can be indexed by key.");
				}
				return yamlMappingNode.Children[key];
			}
		}

		internal void Load(NodeEvent yamlEvent, DocumentLoadingState state)
		{
			Tag = yamlEvent.Tag;
			if (!yamlEvent.Anchor.IsEmpty)
			{
				Anchor = yamlEvent.Anchor;
				state.AddAnchor(this);
			}
			Start = yamlEvent.Start;
			End = yamlEvent.End;
		}

		internal static YamlNode ParseNode(IParser parser, DocumentLoadingState state)
		{
			if (parser.Accept<YamlDotNet.Core.Events.Scalar>(out var _))
			{
				return new YamlScalarNode(parser, state);
			}
			if (parser.Accept<SequenceStart>(out var _))
			{
				return new YamlSequenceNode(parser, state);
			}
			if (parser.Accept<MappingStart>(out var _))
			{
				return new YamlMappingNode(parser, state);
			}
			if (parser.TryConsume<YamlDotNet.Core.Events.AnchorAlias>(out var event4))
			{
				if (!state.TryGetNode(event4.Value, out YamlNode node))
				{
					return new YamlAliasNode(event4.Value);
				}
				return node;
			}
			throw new ArgumentException("The current event is of an unsupported type.", "parser");
		}

		internal abstract void ResolveAliases(DocumentLoadingState state);

		internal void Save(IEmitter emitter, EmitterState state)
		{
			if (!Anchor.IsEmpty && !state.EmittedAnchors.Add(Anchor))
			{
				emitter.Emit(new YamlDotNet.Core.Events.AnchorAlias(Anchor));
			}
			else
			{
				Emit(emitter, state);
			}
		}

		internal abstract void Emit(IEmitter emitter, EmitterState state);

		public abstract void Accept(IYamlVisitor visitor);

		public override string ToString()
		{
			RecursionLevel recursionLevel = new RecursionLevel(1000);
			return ToString(recursionLevel);
		}

		internal abstract string ToString(RecursionLevel level);

		internal abstract IEnumerable<YamlNode> SafeAllNodes(RecursionLevel level);

		public static implicit operator YamlNode(string value)
		{
			return new YamlScalarNode(value);
		}

		public static implicit operator YamlNode(string[] sequence)
		{
			return new YamlSequenceNode(((IEnumerable<string>)sequence).Select((Func<string, YamlNode>)((string i) => i)));
		}

		public static explicit operator string?(YamlNode node)
		{
			if (!(node is YamlScalarNode yamlScalarNode))
			{
				throw new ArgumentException($"Attempted to convert a '{node.NodeType}' to string. This conversion is valid only for Scalars.");
			}
			return yamlScalarNode.Value;
		}
	}
	internal sealed class YamlNodeIdentityEqualityComparer : IEqualityComparer<YamlNode>
	{
		public bool Equals([AllowNull] YamlNode x, [AllowNull] YamlNode y)
		{
			return x == y;
		}

		public int GetHashCode(YamlNode obj)
		{
			return obj.GetHashCode();
		}
	}
	internal enum YamlNodeType
	{
		Alias,
		Mapping,
		Scalar,
		Sequence
	}
	[DebuggerDisplay("{Value}")]
	internal sealed class YamlScalarNode : YamlNode, IYamlConvertible
	{
		private bool forceImplicitPlain;

		private string? value;

		public string? Value
		{
			get
			{
				return value;
			}
			set
			{
				if (value == null)
				{
					forceImplicitPlain = true;
				}
				else
				{
					forceImplicitPlain = false;
				}
				this.value = value;
			}
		}

		public ScalarStyle Style { get; set; }

		public override YamlNodeType NodeType => YamlNodeType.Scalar;

		internal YamlScalarNode(IParser parser, DocumentLoadingState state)
		{
			Load(parser, state);
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		private void Load(IParser parser, DocumentLoadingState state)
		{
			YamlDotNet.Core.Events.Scalar scalar = parser.Consume<YamlDotNet.Core.Events.Scalar>();
			Load(scalar, state);
			string text = scalar.Value;
			if (scalar.Style == ScalarStyle.Plain && base.Tag.IsEmpty)
			{
				forceImplicitPlain = text.Length switch
				{
					0 => true, 
					1 => text == "~", 
					4 => text == "null" || text == "Null" || text == "NULL", 
					_ => false, 
				};
			}
			value = text;
			Style = scalar.Style;
		}

		public YamlScalarNode()
		{
		}

		public YamlScalarNode(string? value)
		{
			Value = value;
		}

		internal override void ResolveAliases(DocumentLoadingState state)
		{
			throw new NotSupportedException("Resolving an alias on a scalar node does not make sense");
		}

		internal override void Emit(IEmitter emitter, EmitterState state)
		{
			TagName tag = base.Tag;
			bool isPlainImplicit = tag.IsEmpty;
			if (forceImplicitPlain && Style == ScalarStyle.Plain && (Value == null || Value == ""))
			{
				tag = JsonSchema.Tags.Null;
				isPlainImplicit = true;
			}
			else if (tag.IsEmpty && Value == null && (Style == ScalarStyle.Plain || Style == ScalarStyle.Any))
			{
				tag = JsonSchema.Tags.Null;
				isPlainImplicit = true;
			}
			emitter.Emit(new YamlDotNet.Core.Events.Scalar(base.Anchor, tag, Value ?? string.Empty, Style, isPlainImplicit, isQuotedImplicit: false));
		}

		public override void Accept(IYamlVisitor visitor)
		{
			visitor.Visit(this);
		}

		public override bool Equals(object? obj)
		{
			if (obj is YamlScalarNode yamlScalarNode && object.Equals(base.Tag, yamlScalarNode.Tag))
			{
				return object.Equals(Value, yamlScalarNode.Value);
			}
			return false;
		}

		public override int GetHashCode()
		{
			return YamlDotNet.Core.HashCode.CombineHashCodes(base.Tag.GetHashCode(), Value);
		}

		public static explicit operator string?(YamlScalarNode value)
		{
			return value.Value;
		}

		internal override string ToString(RecursionLevel level)
		{
			return Value ?? string.Empty;
		}

		internal override IEnumerable<YamlNode> SafeAllNodes(RecursionLevel level)
		{
			yield return this;
		}

		void IYamlConvertible.Read(IParser parser, Type expectedType, ObjectDeserializer nestedObjectDeserializer)
		{
			Load(parser, new DocumentLoadingState());
		}

		void IYamlConvertible.Write(IEmitter emitter, ObjectSerializer nestedObjectSerializer)
		{
			Emit(emitter, new EmitterState());
		}
	}
	[DebuggerDisplay("Count = {children.Count}")]
	internal sealed class YamlSequenceNode : YamlNode, IEnumerable<YamlNode>, IEnumerable, IYamlConvertible
	{
		private readonly List<YamlNode> children = new List<YamlNode>();

		public IList<YamlNode> Children => children;

		public SequenceStyle Style { get; set; }

		public override YamlNodeType NodeType => YamlNodeType.Sequence;

		internal YamlSequenceNode(IParser parser, DocumentLoadingState state)
		{
			Load(parser, state);
		}

		private void Load(IParser parser, DocumentLoadingState state)
		{
			SequenceStart sequenceStart = parser.Consume<SequenceStart>();
			Load(sequenceStart, state);
			Style = sequenceStart.Style;
			bool flag = false;
			SequenceEnd @event;
			while (!parser.TryConsume<SequenceEnd>(out @event))
			{
				YamlNode yamlNode = YamlNode.ParseNode(parser, state);
				children.Add(yamlNode);
				flag = flag || yamlNode is YamlAliasNode;
			}
			if (flag)
			{
				state.AddNodeWithUnresolvedAliases(this);
			}
		}

		public YamlSequenceNode()
		{
		}

		public YamlSequenceNode(params YamlNode[] children)
			: this((IEnumerable<YamlNode>)children)
		{
		}

		public YamlSequenceNode(IEnumerable<YamlNode> children)
		{
			foreach (YamlNode child in children)
			{
				this.children.Add(child);
			}
		}

		public void Add(YamlNode child)
		{
			children.Add(child);
		}

		public void Add(string child)
		{
			children.Add(new YamlScalarNode(child));
		}

		internal override void ResolveAliases(DocumentLoadingState state)
		{
			for (int i = 0; i < children.Count; i++)
			{
				if (children[i] is YamlAliasNode)
				{
					children[i] = state.GetNode(children[i].Anchor, children[i].Start, children[i].End);
				}
			}
		}

		internal override void Emit(IEmitter emitter, EmitterState state)
		{
			emitter.Emit(new SequenceStart(base.Anchor, base.Tag, base.Tag.IsEmpty, Style));
			foreach (YamlNode child in children)
			{
				child.Save(emitter, state);
			}
			emitter.Emit(new SequenceEnd());
		}

		public override void Accept(IYamlVisitor visitor)
		{
			visitor.Visit(this);
		}

		public override bool Equals(object? obj)
		{
			if (!(obj is YamlSequenceNode yamlSequenceNode) || !object.Equals(base.Tag, yamlSequenceNode.Tag) || children.Count != yamlSequenceNode.children.Count)
			{
				return false;
			}
			for (int i = 0; i < children.Count; i++)
			{
				if (!object.Equals(children[i], yamlSequenceNode.children[i]))
				{
					return false;
				}
			}
			return true;
		}

		public override int GetHashCode()
		{
			int h = 0;
			foreach (YamlNode child in children)
			{
				h = YamlDotNet.Core.HashCode.CombineHashCodes(h, child);
			}
			return YamlDotNet.Core.HashCode.CombineHashCodes(h, base.Tag);
		}

		internal override IEnumerable<YamlNode> SafeAllNodes(RecursionLevel level)
		{
			level.Increment();
			yield return this;
			foreach (YamlNode child in children)
			{
				foreach (YamlNode item in child.SafeAllNodes(level))
				{
					yield return item;
				}
			}
			level.Decrement();
		}

		internal override string ToString(RecursionLevel level)
		{
			if (!level.TryIncrement())
			{
				return "WARNING! INFINITE RECURSION!";
			}
			StringBuilderPool.BuilderWrapper builderWrapper = StringBuilderPool.Rent();
			try
			{
				StringBuilder builder = builderWrapper.Builder;
				builder.Append("[ ");
				foreach (YamlNode child in children)
				{
					if (builder.Length > 2)
					{
						builder.Append(", ");
					}
					builder.Append(child.ToString(level));
				}
				builder.Append(" ]");
				level.Decrement();
				return builder.ToString();
			}
			finally
			{
				((IDisposable)builderWrapper/*cast due to .constrained prefix*/).Dispose();
			}
		}

		public IEnumerator<YamlNode> GetEnumerator()
		{
			return Children.GetEnumerator();
		}

		IEnumerator IEnumerable.GetEnumerator()
		{
			return GetEnumerator();
		}

		void IYamlConvertible.Read(IParser parser, Type expectedType, ObjectDeserializer nestedObjectDeserializer)
		{
			Load(parser, new DocumentLoadingState());
		}

		void IYamlConvertible.Write(IEmitter emitter, ObjectSerializer nestedObjectSerializer)
		{
			Emit(emitter, new EmitterState());
		}
	}
	internal class YamlStream : IEnumerable<YamlDocument>, IEnumerable
	{
		private readonly List<YamlDocument> documents = new List<YamlDocument>();

		public IList<YamlDocument> Documents => documents;

		public YamlStream()
		{
		}

		public YamlStream(params YamlDocument[] documents)
			: this((IEnumerable<YamlDocument>)documents)
		{
		}

		public YamlStream(IEnumerable<YamlDocument> documents)
		{
			foreach (YamlDocument document in documents)
			{
				this.documents.Add(document);
			}
		}

		public void Add(YamlDocument document)
		{
			documents.Add(document);
		}

		public void Load(TextReader input)
		{
			Load(new Parser(input));
		}

		public void Load(IParser parser)
		{
			documents.Clear();
			parser.Consume<YamlDotNet.Core.Events.StreamStart>();
			YamlDotNet.Core.Events.StreamEnd @event;
			while (!parser.TryConsume<YamlDotNet.Core.Events.StreamEnd>(out @event))
			{
				YamlDocument item = new YamlDocument(parser);
				documents.Add(item);
			}
		}

		public void Save(TextWriter output)
		{
			Save(output, assignAnchors: true);
		}

		public void Save(TextWriter output, bool assignAnchors)
		{
			Save(new Emitter(output), assignAnchors);
		}

		public void Save(IEmitter emitter, bool assignAnchors)
		{
			emitter.Emit(new YamlDotNet.Core.Events.StreamStart());
			foreach (YamlDocument document in documents)
			{
				document.Save(emitter, assignAnchors);
			}
			emitter.Emit(new YamlDotNet.Core.Events.StreamEnd());
		}

		public void Accept(IYamlVisitor visitor)
		{
			visitor.Visit(this);
		}

		public IEnumerator<YamlDocument> GetEnumerator()
		{
			return documents.GetEnumerator();
		}

		IEnumerator IEnumerable.GetEnumerator()
		{
			return GetEnumerator();
		}
	}
	[Obsolete("Use YamlVisitorBase")]
	internal abstract class YamlVisitor : IYamlVisitor
	{
		protected virtual void Visit(YamlStream stream)
		{
		}

		protected virtual void Visited(YamlStream stream)
		{
		}

		protected virtual void Visit(YamlDocument document)
		{
		}

		protected virtual void Visited(YamlDocument document)
		{
		}

		protected virtual void Visit(YamlScalarNode scalar)
		{
		}

		protected virtual void Visited(YamlScalarNode scalar)
		{
		}

		protected virtual void Visit(YamlSequenceNode sequence)
		{
		}

		protected virtual void Visited(YamlSequenceNode sequence)
		{
		}

		protected virtual void Visit(YamlMappingNode mapping)
		{
		}

		protected virtual void Visited(YamlMappingNode mapping)
		{
		}

		protected virtual void VisitChildren(YamlStream stream)
		{
			foreach (YamlDocument document in stream.Documents)
			{
				document.Accept(this);
			}
		}

		protected virtual void VisitChildren(YamlDocument document)
		{
			if (document.RootNode != null)
			{
				document.RootNode.Accept(this);
			}
		}

		protected virtual void VisitChildren(YamlSequenceNode sequence)
		{
			foreach (YamlNode child in sequence.Children)
			{
				child.Accept(this);
			}
		}

		protected virtual void VisitChildren(YamlMappingNode mapping)
		{
			foreach (KeyValuePair<YamlNode, YamlNode> child in mapping.Children)
			{
				child.Key.Accept(this);
				child.Value.Accept(this);
			}
		}

		void IYamlVisitor.Visit(YamlStream stream)
		{
			Visit(stream);
			VisitChildren(stream);
			Visited(stream);
		}

		void IYamlVisitor.Visit(YamlDocument document)
		{
			Visit(document);
			VisitChildren(document);
			Visited(document);
		}

		void IYamlVisitor.Visit(YamlScalarNode scalar)
		{
			Visit(scalar);
			Visited(scalar);
		}

		void IYamlVisitor.Visit(YamlSequenceNode sequence)
		{
			Visit(sequence);
			VisitChildren(sequence);
			Visited(sequence);
		}

		void IYamlVisitor.Visit(YamlMappingNode mapping)
		{
			Visit(mapping);
			VisitChildren(mapping);
			Visited(mapping);
		}
	}
	internal abstract class YamlVisitorBase : IYamlVisitor
	{
		public virtual void Visit(YamlStream stream)
		{
			VisitChildren(stream);
		}

		public virtual void Visit(YamlDocument document)
		{
			VisitChildren(document);
		}

		public virtual void Visit(YamlScalarNode scalar)
		{
		}

		public virtual void Visit(YamlSequenceNode sequence)
		{
			VisitChildren(sequence);
		}

		public virtual void Visit(YamlMappingNode mapping)
		{
			VisitChildren(mapping);
		}

		protected virtual void VisitPair(YamlNode key, YamlNode value)
		{
			key.Accept(this);
			value.Accept(this);
		}

		protected virtual void VisitChildren(YamlStream stream)
		{
			foreach (YamlDocument document in stream.Documents)
			{
				document.Accept(this);
			}
		}

		protected virtual void VisitChildren(YamlDocument document)
		{
			if (document.RootNode != null)
			{
				document.RootNode.Accept(this);
			}
		}

		protected virtual void VisitChildren(YamlSequenceNode sequence)
		{
			foreach (YamlNode child in sequence.Children)
			{
				child.Accept(this);
			}
		}

		protected virtual void VisitChildren(YamlMappingNode mapping)
		{
			foreach (KeyValuePair<YamlNode, YamlNode> child in mapping.Children)
			{
				VisitPair(child.Key, child.Value);
			}
		}
	}
}
namespace YamlDotNet.Helpers
{
	internal class DefaultFsharpHelper : IFsharpHelper
	{
		private static bool IsFsharpCore(Type t)
		{
			return t.Namespace == "Microsoft.FSharp.Core";
		}

		public bool IsOptionType(Type t)
		{
			if (IsFsharpCore(t))
			{
				return t.Name == "FSharpOption`1";
			}
			return false;
		}

		public Type? GetOptionUnderlyingType(Type t)
		{
			if (!t.IsGenericType || !IsOptionType(t))
			{
				return null;
			}
			return t.GenericTypeArguments[0];
		}

		public object? GetValue(IObjectDescriptor objectDescriptor)
		{
			if (!IsOptionType(objectDescriptor.Type))
			{
				throw new InvalidOperationException("Should not be called on non-Option<> type");
			}
			if (objectDescriptor.Value == null)
			{
				return null;
			}
			return objectDescriptor.Type.GetProperty("Value").GetValue(objectDescriptor.Value);
		}

		public bool IsFsharpListType(Type t)
		{
			if (t.Namespace == "Microsoft.FSharp.Collections")
			{
				return t.Name == "FSharpList`1";
			}
			return false;
		}

		public object? CreateFsharpListFromArray(Type t, Type itemsType, Array arr)
		{
			if (!IsFsharpListType(t))
			{
				return null;
			}
			return t.Assembly.GetType("Microsoft.FSharp.Collections.ListModule").GetMethod("OfArray").MakeGenericMethod(itemsType)
				.Invoke(null, new object[1] { arr });
		}
	}
	internal static class DictionaryExtensions
	{
		public static bool TryAdd<T, V>(this Dictionary<T, V> dictionary, T key, V value)
		{
			if (dictionary.ContainsKey(key))
			{
				return false;
			}
			dictionary.Add(key, value);
			return true;
		}

		public static TValue GetOrAdd<TKey, TValue, TArg>(this ConcurrentDictionary<TKey, TValue> dictionary, TKey key, Func<TKey, TArg, TValue> valueFactory, TArg arg)
		{
			if (dictionary == null)
			{
				throw new ArgumentNullException("dictionary");
			}
			if (key == null)
			{
				throw new ArgumentNullException("key");
			}
			if (valueFactory == null)
			{
				throw new ArgumentNullException("valueFactory");
			}
			TValue value;
			do
			{
				if (dictionary.TryGetValue(key, out value))
				{
					return value;
				}
				value = valueFactory(key, arg);
			}
			while (!dictionary.TryAdd(key, value));
			return value;
		}
	}
	internal static class ExpressionExtensions
	{
		public static PropertyInfo AsProperty(this LambdaExpression propertyAccessor)
		{
			PropertyInfo propertyInfo = TryGetMemberExpression<PropertyInfo>(propertyAccessor);
			if (propertyInfo == null)
			{
				throw new ArgumentException("Expected a lambda expression in the form: x => x.SomeProperty", "propertyAccessor");
			}
			return propertyInfo;
		}

		[return: MaybeNull]
		private static TMemberInfo TryGetMemberExpression<TMemberInfo>(LambdaExpression lambdaExpression) where TMemberInfo : MemberInfo
		{
			if (lambdaExpression.Parameters.Count != 1)
			{
				return null;
			}
			Expression expression = lambdaExpression.Body;
			if (expression is UnaryExpression unaryExpression)
			{
				if (unaryExpression.NodeType != ExpressionType.Convert)
				{
					return null;
				}
				expression = unaryExpression.Operand;
			}
			if (expression is MemberExpression memberExpression)
			{
				if (memberExpression.Expression != lambdaExpression.Parameters[0])
				{
					return null;
				}
				return memberExpression.Member as TMemberInfo;
			}
			return null;
		}
	}
	internal static class FsharpHelper
	{
		public static IFsharpHelper? Instance { get; set; }

		public static bool IsOptionType(Type t)
		{
			return Instance?.IsOptionType(t) ?? false;
		}

		public static Type? GetOptionUnderlyingType(Type t)
		{
			return Instance?.GetOptionUnderlyingType(t);
		}

		public static object? GetValue(IObjectDescriptor objectDescriptor)
		{
			return Instance?.GetValue(objectDescriptor);
		}

		public static bool IsFsharpListType(Type t)
		{
			return Instance?.IsFsharpListType(t) ?? false;
		}

		public static object? CreateFsharpListFromArray(Type t, Type itemsType, Array arr)
		{
			return Instance?.CreateFsharpListFromArray(t, itemsType, arr);
		}
	}
	internal sealed class GenericCollectionToNonGenericAdapter<T> : IList, ICollection, IEnumerable
	{
		private readonly ICollection<T> genericCollection;

		public bool IsFixedSize
		{
			get
			{
				throw new NotSupportedException();
			}
		}

		public bool IsReadOnly
		{
			get
			{
				throw new NotSupportedException();
			}
		}

		public object? this[int index]
		{
			get
			{
				throw new NotSupportedException();
			}
			set
			{
				((IList<T>)genericCollection)[index] = (T)value;
			}
		}

		public int Count
		{
			get
			{
				throw new NotSupportedException();
			}
		}

		public bool IsSynchronized
		{
			get
			{
				throw new NotSupportedException();
			}
		}

		public object SyncRoot
		{
			get
			{
				throw new NotSupportedException();
			}
		}

		public GenericCollectionToNonGenericAdapter(ICollection<T> genericCollection)
		{
			this.genericCollection = genericCollection ?? throw new ArgumentNullException("genericCollection");
		}

		public int Add(object? value)
		{
			int count = genericCollection.Count;
			genericCollection.Add((T)value);
			return count;
		}

		public void Clear()
		{
			genericCollection.Clear();
		}

		public bool Contains(object? value)
		{
			throw new NotSupportedException();
		}

		public int IndexOf(object? value)
		{
			throw new NotSupportedException();
		}

		public void Insert(int index, object? value)
		{
			throw new NotSupportedException();
		}

		public void Remove(object? value)
		{
			throw new NotSupportedException();
		}

		public void RemoveAt(int index)
		{
			throw new NotSupportedException();
		}

		public void CopyTo(Array array, int index)
		{
			throw new NotSupportedException();
		}

		public IEnumerator GetEnumerator()
		{
			return genericCollection.GetEnumerator();
		}
	}
	internal sealed class GenericDictionaryToNonGenericAdapter<TKey, TValue> : IDictionary, ICollection, IEnumerable where TKey : notnull
	{
		private class DictionaryEnumerator : IDictionaryEnumerator, IEnumerator
		{
			private readonly IEnumerator<KeyValuePair<TKey, TValue>> enumerator;

			public DictionaryEntry Entry => new DictionaryEntry(Key, Value);

			public object Key => enumerator.Current.Key;

			public object? Value => enumerator.Current.Value;

			public object Current => Entry;

			public DictionaryEnumerator(IEnumerator<KeyValuePair<TKey, TValue>> enumerator)
			{
				this.enumerator = enumerator;
			}

			public bool MoveNext()
			{
				return enumerator.MoveNext();
			}

			public void Reset()
			{
				enumerator.Reset();
			}
		}

		private readonly IDictionary<TKey, TValue> genericDictionary;

		public bool IsFixedSize
		{
			get
			{
				throw new NotSupportedException();
			}
		}

		public bool IsReadOnly
		{
			get
			{
				throw new NotSupportedException();
			}
		}

		public ICollection Keys
		{
			get
			{
				throw new NotSupportedException();
			}
		}

		public ICollection Values
		{
			get
			{
				throw new NotSupportedException();
			}
		}

		public object? this[object key]
		{
			get
			{
				throw new NotSupportedException();
			}
			set
			{
				genericDictionary[(TKey)key] = (TValue)value;
			}
		}

		public int Count
		{
			get
			{
				throw new NotSupportedException();
			}
		}

		public bool IsSynchronized
		{
			get
			{
				throw new NotSupportedException();
			}
		}

		public object SyncRoot
		{
			get
			{
				throw new NotSupportedException();
			}
		}

		public GenericDictionaryToNonGenericAdapter(IDictionary<TKey, TValue> genericDictionary)
		{
			this.genericDictionary = genericDictionary ?? throw new ArgumentNullException("genericDictionary");
		}

		public void Add(object key, object? value)
		{
			throw new NotSupportedException();
		}

		public void Clear()
		{
			throw new NotSupportedException();
		}

		public bool Contains(object key)
		{
			throw new NotSupportedException();
		}

		public IDictionaryEnumerator GetEnumerator()
		{
			return new DictionaryEnumerator(genericDictionary.GetEnumerator());
		}

		public void Remove(object key)
		{
			throw new NotSupportedException();
		}

		public void CopyTo(Array array, int index)
		{
			throw new NotSupportedException();
		}

		IEnumerator IEnumerable.GetEnumerator()
		{
			return GetEnumerator();
		}
	}
	internal interface IFsharpHelper
	{
		bool IsOptionType(Type t);

		Type? GetOptionUnderlyingType(Type t);

		object? GetValue(IObjectDescriptor objectDescriptor);

		bool IsFsharpListType(Type t);

		object? CreateFsharpListFromArray(Type t, Type itemsType, Array arr);
	}
	internal interface IOrderedDictionary<TKey, TValue> : IDictionary<TKey, TValue>, ICollection<KeyValuePair<TKey, TValue>>, IEnumerable<KeyValuePair<TKey, TValue>>, IEnumerable where TKey : notnull
	{
		KeyValuePair<TKey, TValue> this[int index] { get; set; }

		void Insert(int index, TKey key, TValue value);

		void RemoveAt(int index);
	}
	internal class NullFsharpHelper : IFsharpHelper
	{
		public object? CreateFsharpListFromArray(Type t, Type itemsType, Array arr)
		{
			return null;
		}

		public Type? GetOptionUnderlyingType(Type t)
		{
			return null;
		}

		public object? GetValue(IObjectDescriptor objectDescriptor)
		{
			return null;
		}

		public bool IsFsharpListType(Type t)
		{
			return false;
		}

		public bool IsOptionType(Type t)
		{
			return false;
		}
	}
	internal static class NumberExtensions
	{
		public static bool IsPowerOfTwo(this int value)
		{
			return (value & (value - 1)) == 0;
		}
	}
	[Serializable]
	internal sealed class OrderedDictionary<TKey, TValue> : IOrderedDictionary<TKey, TValue>, IDictionary<TKey, TValue>, ICollection<KeyValuePair<TKey, TValue>>, IEnumerable<KeyValuePair<TKey, TValue>>, IEnumerable where TKey : notnull
	{
		private class KeyCollection : ICollection<TKey>, IEnumerable<TKey>, IEnumerable
		{
			private readonly OrderedDictionary<TKey, TValue> orderedDictionary;

			public int Count => orderedDictionary.list.Count;

			public bool IsReadOnly => true;

			public void Add(TKey item)
			{
				throw new NotSupportedException();
			}

			public void Clear()
			{
				throw new NotSupportedException();
			}

			public bool Contains(TKey item)
			{
				return orderedDictionary.dictionary.ContainsKey(item);
			}

			public KeyCollection(OrderedDictionary<TKey, TValue> orderedDictionary)
			{
				this.orderedDictionary = orderedDictionary;
			}

			public void CopyTo(TKey[] array, int arrayIndex)
			{
				for (int i = 0; i < orderedDictionary.list.Count; i++)
				{
					array[i] = orderedDictionary.list[i + arrayIndex].Key;
				}
			}

			public IEnumerator<TKey> GetEnumerator()
			{
				return orderedDictionary.list.Select((KeyValuePair<TKey, TValue> kvp) => kvp.Key).GetEnumerator();
			}

			public bool Remove(TKey item)
			{
				throw new NotSupportedException();
			}

			IEnumerator IEnumerable.GetEnumerator()
			{
				return GetEnumerator();
			}
		}

		private class ValueCollection : ICollection<TValue>, IEnumerable<TValue>, IEnumerable
		{
			private readonly OrderedDictionary<TKey, TValue> orderedDictionary;

			public int Count => orderedDictionary.list.Count;

			public bool IsReadOnly => true;

			public void Add(TValue item)
			{
				throw new NotSupportedException();
			}

			public void Clear()
			{
				throw new NotSupportedException();
			}

			public bool Contains(TValue item)
			{
				return orderedDictionary.dictionary.ContainsValue(item);
			}

			public ValueCollection(OrderedDictionary<TKey, TValue> orderedDictionary)
			{
				this.orderedDictionary = orderedDictionary;
			}

			public void CopyTo(TValue[] array, int arrayIndex)
			{
				for (int i = 0; i < orderedDictionary.list.Count; i++)
				{
					array[i] = orderedDictionary.list[i + arrayIndex].Value;
				}
			}

			public IEnumerator<TValue> GetEnumerator()
			{
				return orderedDictionary.list.Select((KeyValuePair<TKey, TValue> kvp) => kvp.Value).GetEnumerator();
			}

			public bool Remove(TValue item)
			{
				throw new NotSupportedException();
			}

			IEnumerator IEnumerable.GetEnumerator()
			{
				return GetEnumerator();
			}
		}

		[NonSerialized]
		private Dictionary<TKey, TValue> dictionary;

		private readonly List<KeyValuePair<TKey, TValue>> list;

		private readonly IEqualityComparer<TKey> comparer;

		public TValue this[TKey key]
		{
			get
			{
				return dictionary[key];
			}
			set
			{
				if (dictionary.ContainsKey(key))
				{
					int index = list.FindIndex((KeyValuePair<TKey, TValue> kvp) => comparer.Equals(kvp.Key, key));
					dictionary[key] = value;
					list[index] = new KeyValuePair<TKey, TValue>(key, value);
				}
				else
				{
					Add(key, value);
				}
			}
		}

		public ICollection<TKey> Keys => new KeyCollection(this);

		public ICollection<TValue> Values => new ValueCollection(this);

		public int Count => dictionary.Count;

		public bool IsReadOnly => false;

		public KeyValuePair<TKey, TValue> this[int index]
		{
			get
			{
				return list[index];
			}
			set
			{
				list[index] = value;
			}
		}

		public OrderedDictionary()
			: this((IEqualityComparer<TKey>)EqualityComparer<TKey>.Default)
		{
		}

		public OrderedDictionary(IEqualityComparer<TKey> comparer)
		{
			list = new List<KeyValuePair<TKey, TValue>>();
			dictionary = new Dictionary<TKey, TValue>(comparer);
			this.comparer = comparer;
		}

		public void Add(KeyValuePair<TKey, TValue> item)
		{
			if (!TryAdd(item))
			{
				ThrowDuplicateKeyException(item.Key);
			}
		}

		public void Add(TKey key, TValue value)
		{
			if (!TryAdd(key, value))
			{
				ThrowDuplicateKeyException(key);
			}
		}

		private static void ThrowDuplicateKeyException(TKey key)
		{
			throw new ArgumentException($"An item with the same key {key} has already been added.");
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public bool TryAdd(TKey key, TValue value)
		{
			if (DictionaryExtensions.TryAdd(dictionary, key, value))
			{
				list.Add(new KeyValuePair<TKey, TValue>(key, value));
				return true;
			}
			return false;
		}

		[MethodImpl(MethodImplOptions.AggressiveInlining)]
		public bool TryAdd(KeyValuePair<TKey, TValue> item)
		{
			if (DictionaryExtensions.TryAdd(dictionary, item.Key, item.Value))
			{
				list.Add(item);
				return true;
			}
			return false;
		}

		public void Clear()
		{
			dictionary.Clear();
			list.Clear();
		}

		public bool Contains(KeyValuePair<TKey, TValue> item)
		{
			return dictionary.Contains(item);
		}

		public bool ContainsKey(TKey key)
		{
			return dictionary.ContainsKey(key);
		}

		public void CopyTo(KeyValuePair<TKey, TValue>[] array, int arrayIndex)
		{
			list.CopyTo(array, arrayIndex);
		}

		public IEnumerator<KeyValuePair<TKey, TValue>> GetEnumerator()
		{
			return list.GetEnumerator();
		}

		public void Insert(int index, TKey key, TValue value)
		{
			dictionary.Add(key, value);
			list.Insert(index, new KeyValuePair<TKey, TValue>(key, value));
		}

		public bool Remove(TKey key)
		{
			if (dictionary.ContainsKey(key))
			{
				int index = list.FindIndex((KeyValuePair<TKey, TValue> kvp) => comparer.Equals(kvp.Key, key));
				list.RemoveAt(index);
				if (!dictionary.Remove(key))
				{
					throw new InvalidOperationException();
				}
				return true;
			}
			return false;
		}

		public bool Remove(KeyValuePair<TKey, TValue> item)
		{
			return Remove(item.Key);
		}

		public void RemoveAt(int index)
		{
			TKey key = list[index].Key;
			dictionary.Remove(key);
			list.RemoveAt(index);
		}

		public bool TryGetValue(TKey key, [MaybeNullWhen(false)] out TValue value)
		{
			return dictionary.TryGetValue(key, out value);
		}

		IEnumerator IEnumerable.GetEnumerator()
		{
			return list.GetEnumerator();
		}

		[System.Runtime.Serialization.OnDeserialized]
		internal void OnDeserializedMethod(StreamingContext context)
		{
			dictionary = new Dictionary<TKey, TValue>();
			foreach (KeyValuePair<TKey, TValue> item in list)
			{
				dictionary[item.Key] = item.Value;
			}
		}
	}
	internal static class ReadOnlyCollectionExtensions
	{
		public static IReadOnlyList<T> AsReadonlyList<T>(this List<T> list)
		{
			return list;
		}

		public static IReadOnlyDictionary<TKey, TValue> AsReadonlyDictionary<TKey, TValue>(this Dictionary<TKey, TValue> dictionary) where TKey : notnull
		{
			return dictionary;
		}
	}
	internal static class ThrowHelper
	{
		[MethodImpl(MethodImplOptions.NoInlining)]
		public static void ThrowArgumentOutOfRangeException(string paramName, string message)
		{
			throw new ArgumentOutOfRangeException(paramName, message);
		}
	}
}
namespace YamlDotNet.Core
{
	internal readonly struct AnchorName : IEquatable<AnchorName>
	{
		public static readonly AnchorName Empty;

		private static readonly Regex AnchorPattern = new Regex("^[^\\[\\]\\{\\},]+$", RegexOptions.Compiled);

		private readonly string? value;

		public string Value => value ?? throw new InvalidOperationException("Cannot read the Value of an empty anchor");

		public bool IsEmpty => value == null;

		public AnchorName(string value)
		{
			this.value = value ?? throw new ArgumentNullException("value");
			if (!AnchorPattern.IsMatch(value))
			{
				throw new ArgumentException("Anchor cannot be empty or contain disallowed characters: []{},\nThe value was '" + value + "'.", "value");
			}
		}

		public override string ToString()
		{
			return value ?? "[empty]";
		}

		public bool Equals(AnchorName other)
		{
			return object.Equals(value, other.value);
		}

		public override bool Equals(object? obj)
		{
			if (obj is AnchorName other)
			{
				return Equals(other);
			}
			return false;
		}

		public override int GetHashCode()
		{
			return value?.GetHashCode() ?? 0;
		}

		public static bool operator ==(AnchorName left, AnchorName right)
		{
			return left.Equals(right);
		}

		public static bool operator !=(AnchorName left, AnchorName right)
		{
			return !(left == right);
		}

		public static implicit operator AnchorName(string? value)
		{
			if (value != null)
			{
				return new AnchorName(value);
			}
			return Empty;
		}
	}
	internal class AnchorNotFoundException : YamlException
	{
		public AnchorNotFoundException(string message)
			: base(message)
		{
		}

		public AnchorNotFoundException(in Mark start, in Mark end, string message)
			: base(in start, in end, message)
		{
		}

		public AnchorNotFoundException(string message, Exception inner)
			: base(message, inner)
		{
		}
	}
	[DebuggerStepThrough]
	internal readonly struct CharacterAnalyzer<TBuffer> where TBuffer : ILookAheadBuffer
	{
		public TBuffer Buffer { get; }

		public bool EndOfInput => Buffer.EndOfInput;

		public CharacterAnalyzer(TBuffer buffer)
		{
			if (buffer == null)
			{
				throw new ArgumentNullException("buffer");
			}
			Buffer = buffer;
		}

		public char Peek(int offset)
		{
			return Buffer.Peek(offset);
		}

		public void Skip(int length)
		{
			Buffer.Skip(length);
		}

		public bool IsAlphaNumericDashOrUnderscore(int offset = 0)
		{
			char c = Buffer.Peek(offset);
			if ((c < '0' || c > '9') && (c < 'A' || c > 'Z') && (c < 'a' || c > 'z') && c != '_')
			{
				return c == '-';
			}
			return true;
		}

		public bool IsAscii(int offset = 0)
		{
			return Buffer.Peek(offset) <= '\u007f';
		}

		public bool IsPrintable(int offset = 0)
		{
			char c = Buffer.Peek(offset);
			switch (c)
			{
			default:
				if (c != '\u0085' && (c < '\u00a0' || c > '\ud7ff'))
				{
					if (c >= '\ue000')
					{
						return c <= '\ufffd';
					}
					return false;
				}
				break;
			case '\t':
			case '\n':
			case '\r':
			case ' ':
			case '!':
			case '"':
			case '#':
			case '$':
			case '%':
			case '&':
			case '\'':
			case '(':
			case ')':
			case '*':
			case '+':
			case ',':
			case '-':
			case '.':
			case '/':
			case '0':
			case '1':
			case '2':
			case '3':
			case '4':
			case '5':
			case '6':
			case '7':
			case '8':
			case '9':
			case ':':
			case ';':
			case '<':
			case '=':
			case '>':
			case '?':
			case '@':
			case 'A':
			case 'B':
			case 'C':
			case 'D':
			case 'E':
			case 'F':
			case 'G':
			case 'H':
			case 'I':
			case 'J':
			case 'K':
			case 'L':
			case 'M':
			case 'N':
			case 'O':
			case 'P':
			case 'Q':
			case 'R':
			case 'S':
			case 'T':
			case 'U':
			case 'V':
			case 'W':
			case 'X':
			case 'Y':
			case 'Z':
			case '[':
			case '\\':
			case ']':
			case '^':
			case '_':
			case '`':
			case 'a':
			case 'b':
			case 'c':
			case 'd':
			case 'e':
			case 'f':
			case 'g':
			case 'h':
			case 'i':
			case 'j':
			case 'k':
			case 'l':
			case 'm':
			case 'n':
			case 'o':
			case 'p':
			case 'q':
			case 'r':
			case 's':
			case 't':
			case 'u':
			case 'v':
			case 'w':
			case 'x':
			case 'y':
			case 'z':
			case '{':
			case '|':
			case '}':
			case '~':
				break;
			}
			return true;
		}

		public bool IsDigit(int offset = 0)
		{
			char c = Buffer.Peek(offset);
			if (c >= '0')
			{
				return c <= '9';
			}
			return false;
		}

		public int AsDigit(int offset = 0)
		{
			return Buffer.Peek(offset) - 48;
		}

		public bool IsHex(int offset)
		{
			char c = Buffer.Peek(offset);
			if ((c < '0' || c > '9') && (c < 'A' || c > 'F'))
			{
				if (c >= 'a')
				{
					return c <= 'f';
				}
				return false;
			}
			return true;
		}

		public int AsHex(int offset)
		{
			char c = Buffer.Peek(offset);
			if (c <= '9')
			{
				return c - 48;
			}
			if (c <= 'F')
			{
				return c - 65 + 10;
			}
			return c - 97 + 10;
		}

		public bool IsSpace(int offset = 0)
		{
			return Check(' ', offset);
		}

		public bool IsZero(int offset = 0)
		{
			return Check('\0', offset);
		}

		public bool IsTab(int offset = 0)
		{
			return Check('\t', offset);
		}

		public bool IsWhite(int offset = 0)
		{
			if (!IsSpace(offset))
			{
				return IsTab(offset);
			}
			return true;
		}

		public bool IsBreak(int offset = 0)
		{
			return Check("\r\n\u0085\u2028\u2029", offset);
		}

		public bool IsCrLf(int offset = 0)
		{
			if (Check('\r', offset))
			{
				return Check('\n', offset + 1);
			}
			return false;
		}

		public bool IsBreakOrZero(int offset = 0)
		{
			if (!IsBreak(offset))
			{
				return IsZero(offset);
			}
			return true;
		}

		public bool IsWhiteBreakOrZero(int offset = 0)
		{
			if (!IsWhite(offset))
			{
				return IsBreakOrZero(offset);
			}
			return true;
		}

		public bool Check(char expected, int offset = 0)
		{
			return Buffer.Peek(offset) == expected;
		}

		public bool Check(string expectedCharacters, int offset = 0)
		{
			char c = Buffer.Peek(offset);
			return Polyfills.Contains(expectedCharacters, c);
		}
	}
	internal static class Constants
	{
		public static readonly TagDirective[] DefaultTagDirectives = new TagDirective[2]
		{
			new TagDirective("!", "!"),
			new TagDirective("!!", "tag:yaml.org,2002:")
		};

		public const int MajorVersion = 1;

		public const int MinorVersion = 3;
	}
	[DebuggerStepThrough]
	internal sealed class Cursor
	{
		public long Index { get; private set; }

		public long Line { get; private set; }

		public long LineOffset { get; private set; }

		public Cursor()
		{
			Line = 1L;
		}

		public Cursor(Cursor cursor)
		{
			Index = cursor.Index;
			Line = cursor.Line;
			LineOffset = cursor.LineOffset;
		}

		public Mark Mark()
		{
			return new Mark(Index, Line, LineOffset + 1);
		}

		public void Skip()
		{
			Index++;
			LineOffset++;
		}

		public void SkipLineByOffset(int offset)
		{
			Index += offset;
			Line++;
			LineOffset = 0L;
		}

		public void ForceSkipLineAfterNonBreak()
		{
			if (LineOffset != 0L)
			{
				Line++;
				LineOffset = 0L;
			}
		}
	}
	internal class Emitter : IEmitter
	{
		private class AnchorData
		{
			public AnchorName Anchor;

			public bool IsAlias;
		}

		private class TagData
		{
			public string? Handle;

			public string? Suffix;
		}

		private class ScalarData
		{
			public string Value = string.Empty;

			public bool IsMultiline;

			public bool IsFlowPlainAllowed;

			public bool IsBlockPlainAllowed;

			public bool IsSingleQuotedAllowed;

			public bool IsBlockAllowed;

			public bool HasSingleQuotes;

			public ScalarStyle Style;
		}

		private static readonly Regex UriReplacer = new Regex("[^0-9A-Za-z_\\-;?@=$~\\\\\\)\\]/:&+,\\.\\*\\(\\[!]", RegexOptions.Compiled | RegexOptions.Singleline);

		private static readonly string[] NewLineSeparators = new string[3] { "\r\n", "\r", "\n" };

		private readonly TextWriter output;

		private readonly bool outputUsesUnicodeEncoding;

		private readonly int maxSimpleKeyLength;

		private readonly bool isCanonical;

		private readonly bool skipAnchorName;

		private readonly int bestIndent;

		private readonly int bestWidth;

		private EmitterState state;

		private readonly Stack<EmitterState> states = new Stack<EmitterState>();

		private readonly Queue<ParsingEvent> events = new Queue<ParsingEvent>();

		private readonly Stack<int> indents = new Stack<int>();

		private readonly TagDirectiveCollection tagDirectives = new TagDirectiveCollection();

		private int indent;

		private int flowLevel;

		private bool isMappingContext;

		private bool isSimpleKeyContext;

		private int column;

		private bool isWhitespace;

		private bool isIndentation;

		private readonly bool forceIndentLess;

		private readonly bool useUtf16SurrogatePair;

		private bool isDocumentEndWritten;

		private readonly AnchorData anchorData = new AnchorData();

		private readonly TagData tagData = new TagData();

		private readonly ScalarData scalarData = new ScalarData();

		public Emitter(TextWriter output)
			: this(output, EmitterSettings.Default)
		{
		}

		public Emitter(TextWriter output, int bestIndent)
			: this(output, bestIndent, int.MaxValue)
		{
		}

		public Emitter(TextWriter output, int bestIndent, int bestWidth)
			: this(output, bestIndent, bestWidth, isCanonical: false)
		{
		}

		public Emitter(TextWriter output, int bestIndent, int bestWidth, bool isCanonical)
			: this(output, new EmitterSettings(bestIndent, bestWidth, isCanonical, 1024))
		{
		}

		public Emitter(TextWriter output, EmitterSettings settings)
		{
			bestIndent = settings.BestIndent;
			bestWidth = settings.BestWidth;
			isCanonical = settings.IsCanonical;
			maxSimpleKeyLength = settings.MaxSimpleKeyLength;
			skipAnchorName = settings.SkipAnchorName;
			forceIndentLess = !settings.IndentSequences;
			useUtf16SurrogatePair = settings.UseUtf16SurrogatePairs;
			this.output = output;
			this.output.NewLine = settings.NewLine;
			outputUsesUnicodeEncoding = IsUnicode(output.Encoding);
		}

		public void Emit(ParsingEvent @event)
		{
			events.Enqueue(@event);
			while (!NeedMoreEvents())
			{
				ParsingEvent evt = events.Peek();
				try
				{
					AnalyzeEvent(evt);
					StateMachine(evt);
				}
				finally
				{
					events.Dequeue();
				}
			}
		}

		private bool NeedMoreEvents()
		{
			if (events.Count == 0)
			{
				return true;
			}
			int num;
			switch (events.Peek().Type)
			{
			case EventType.DocumentStart:
				num = 1;
				break;
			case EventType.SequenceStart:
				num = 2;
				break;
			case EventType.MappingStart:
				num = 3;
				break;
			default:
				return false;
			}
			if (events.Count > num)
			{
				return false;
			}
			int num2 = 0;
			foreach (ParsingEvent @event in events)
			{
				switch (@event.Type)
				{
				case EventType.DocumentStart:
				case EventType.SequenceStart:
				case EventType.MappingStart:
					num2++;
					break;
				case EventType.DocumentEnd:
				case EventType.SequenceEnd:
				case EventType.MappingEnd:
					num2--;
					break;
				}
				if (num2 == 0)
				{
					return false;
				}
			}
			return true;
		}

		private void AnalyzeEvent(ParsingEvent evt)
		{
			anchorData.Anchor = AnchorName.Empty;
			tagData.Handle = null;
			tagData.Suffix = null;
			if (evt is YamlDotNet.Core.Events.AnchorAlias anchorAlias)
			{
				AnalyzeAnchor(anchorAlias.Value, isAlias: true);
			}
			else if (evt is NodeEvent nodeEvent)
			{
				if (evt is YamlDotNet.Core.Events.Scalar scalar)
				{
					AnalyzeScalar(scalar);
				}
				AnalyzeAnchor(nodeEvent.Anchor, isAlias: false);
				if (!nodeEvent.Tag.IsEmpty && (isCanonical || nodeEvent.IsCanonical))
				{
					AnalyzeTag(nodeEvent.Tag);
				}
			}
		}

		private void AnalyzeAnchor(AnchorName anchor, bool isAlias)
		{
			anchorData.Anchor = anchor;
			anchorData.IsAlias = isAlias;
		}

		private void AnalyzeScalar(YamlDotNet.Core.Events.Scalar scalar)
		{
			string value = scalar.Value;
			scalarData.Value = value;
			if (value.Length == 0)
			{
				if (scalar.Tag == "tag:yaml.org,2002:null")
				{
					scalarData.IsMultiline = false;
					scalarData.IsFlowPlainAllowed = false;
					scalarData.IsBlockPlainAllowed = true;
					scalarData.IsSingleQuotedAllowed = false;
					scalarData.IsBlockAllowed = false;
				}
				else
				{
					scalarData.IsMultiline = false;
					scalarData.IsFlowPlainAllowed = false;
					scalarData.IsBlockPlainAllowed = false;
					scalarData.IsSingleQuotedAllowed = true;
					scalarData.IsBlockAllowed = false;
				}
				return;
			}
			bool flag = false;
			bool flag2 = false;
			if (value.StartsWith("---", StringComparison.Ordinal) || value.StartsWith("...", StringComparison.Ordinal))
			{
				flag = true;
				flag2 = true;
			}
			StringLookAheadBufferPool.BufferWrapper bufferWrapper = StringLookAheadBufferPool.Rent(value);
			try
			{
				CharacterAnalyzer<StringLookAheadBuffer> characterAnalyzer = new CharacterAnalyzer<StringLookAheadBuffer>(bufferWrapper.Buffer);
				bool flag3 = true;
				bool flag4 = characterAnalyzer.IsWhiteBreakOrZero(1);
				bool flag5 = false;
				bool flag6 = false;
				bool flag7 = false;
				bool flag8 = false;
				bool flag9 = false;
				bool flag10 = false;
				bool flag11 = false;
				bool flag12 = false;
				bool flag13 = false;
				bool flag14 = false;
				bool flag15 = false;
				bool flag16 = !ValueIsRepresentableInOutputEncoding(value);
				bool flag17 = false;
				bool flag18 = false;
				bool flag19 = true;
				while (!characterAnalyzer.EndOfInput)
				{
					if (flag19)
					{
						if (characterAnalyzer.Check("#,[]{}&*!|>\"%@`'"))
						{
							flag = true;
							flag2 = true;
							flag9 = characterAnalyzer.Check('\'');
							flag17 |= characterAnalyzer.Check('\'');
						}
						if (characterAnalyzer.Check("?:"))
						{
							flag = true;
							if (flag4)
							{
								flag2 = true;
							}
						}
						if (characterAnalyzer.Check('-') && flag4)
						{
							flag = true;
							flag2 = true;
						}
					}
					else
					{
						if (characterAnalyzer.Check(",?[]{}"))
						{
							flag = true;
						}
						if (characterAnalyzer.Check(':'))
						{
							flag = true;
							if (flag4)
							{
								flag2 = true;
							}
						}
						if (characterAnalyzer.Check('#') && flag3)
						{
							flag = true;
							flag2 = true;
						}
						flag17 |= characterAnalyzer.Check('\'');
					}
					if (!flag16 && !characterAnalyzer.IsPrintable())
					{
						flag16 = true;
					}
					if (characterAnalyzer.IsBreak())
					{
						flag15 = true;
					}
					if (characterAnalyzer.IsSpace())
					{
						if (flag19)
						{
							flag5 = true;
						}
						if (characterAnalyzer.Buffer.Position >= characterAnalyzer.Buffer.Length - 1)
						{
							flag7 = true;
						}
						if (flag13)
						{
							flag10 = true;
							flag14 = true;
						}
						flag12 = true;
						flag13 = false;
					}
					else if (characterAnalyzer.IsBreak())
					{
						if (flag19)
						{
							flag6 = true;
						}
						if (characterAnalyzer.Buffer.Position >= characterAnalyzer.Buffer.Length - 1)
						{
							flag8 = true;
						}
						if (flag12)
						{
							flag11 = true;
						}
						if (flag14)
						{
							flag18 = true;
						}
						flag12 = false;
						flag13 = true;
					}
					else
					{
						flag12 = false;
						flag13 = false;
						flag14 = false;
					}
					flag3 = characterAnalyzer.IsWhiteBreakOrZero();
					characterAnalyzer.Skip(1);
					if (!characterAnalyzer.EndOfInput)
					{
						flag4 = characterAnalyzer.IsWhiteBreakOrZero(1);
					}
					flag19 = false;
				}
				scalarData.IsFlowPlainAllowed = true;
				scalarData.IsBlockPlainAllowed = true;
				scalarData.IsSingleQuotedAllowed = true;
				scalarData.IsBlockAllowed = true;
				if (flag5 || flag6 || flag7 || flag8 || flag9)
				{
					scalarData.IsFlowPlainAllowed = false;
					scalarData.IsBlockPlainAllowed = false;
				}
				if (flag7)
				{
					scalarData.IsBlockAllowed = false;
				}
				if (flag10)
				{
					scalarData.IsFlowPlainAllowed = false;
					scalarData.IsBlockPlainAllowed = false;
					scalarData.IsSingleQuotedAllowed = false;
				}
				if (flag11 || flag16)
				{
					scalarData.IsFlowPlainAllowed = false;
					scalarData.IsBlockPlainAllowed = false;
					scalarData.IsSingleQuotedAllowed = false;
				}
				if (flag18)
				{
					scalarData.IsBlockAllowed = false;
				}
				scalarData.IsMultiline = flag15;
				if (flag15)
				{
					scalarData.IsFlowPlainAllowed = false;
					scalarData.IsBlockPlainAllowed = false;
				}
				if (flag)
				{
					scalarData.IsFlowPlainAllowed = false;
				}
				if (flag2)
				{
					scalarData.IsBlockPlainAllowed = false;
				}
				scalarData.HasSingleQuotes = flag17;
			}
			finally
			{
				((IDisposable)bufferWrapper/*cast due to .constrained prefix*/).Dispose();
			}
		}

		private bool ValueIsRepresentableInOutputEncoding(string value)
		{
			if (outputUsesUnicodeEncoding)
			{
				return true;
			}
			try
			{
				byte[] bytes = output.Encoding.GetBytes(value);
				string text = output.Encoding.GetString(bytes, 0, bytes.Length);
				return text.Equals(value);
			}
			catch (EncoderFallbackException)
			{
				return false;
			}
			catch (ArgumentOutOfRangeException)
			{
				return false;
			}
		}

		private static bool IsUnicode(Encoding encoding)
		{
			if (!(encoding is UTF8Encoding) && !(encoding is UnicodeEncoding))
			{
				return encoding is UTF7Encoding;
			}
			return true;
		}

		private void AnalyzeTag(TagName tag)
		{
			tagData.Handle = tag.Value;
			foreach (TagDirective tagDirective in tagDirectives)
			{
				if (tag.Value.StartsWith(tagDirective.Prefix, StringComparison.Ordinal))
				{
					tagData.Handle = tagDirective.Handle;
					tagData.Suffix = tag.Value.Substring(tagDirective.Prefix.Length);
					break;
				}
			}
		}

		private void StateMachine(ParsingEvent evt)
		{
			if (evt is YamlDotNet.Core.Events.Comment comment)
			{
				EmitComment(comment);
				return;
			}
			switch (state)
			{
			case EmitterState.StreamStart:
				EmitStreamStart(evt);
				break;
			case EmitterState.FirstDocumentStart:
				EmitDocumentStart(evt, isFirst: true);
				break;
			case EmitterState.DocumentStart:
				EmitDocumentStart(evt, isFirst: false);
				break;
			case EmitterState.DocumentContent:
				EmitDocumentContent(evt);
				break;
			case EmitterState.DocumentEnd:
				EmitDocumentEnd(evt);
				break;
			case EmitterState.FlowSequenceFirstItem:
				EmitFlowSequenceItem(evt, isFirst: true);
				break;
			case EmitterState.FlowSequenceItem:
				EmitFlowSequenceItem(evt, isFirst: false);
				break;
			case EmitterState.FlowMappingFirstKey:
				EmitFlowMappingKey(evt, isFirst: true);
				break;
			case EmitterState.FlowMappingKey:
				EmitFlowMappingKey(evt, isFirst: false);
				break;
			case EmitterState.FlowMappingSimpleValue:
				EmitFlowMappingValue(evt, isSimple: true);
				break;
			case EmitterState.FlowMappingValue:
				EmitFlowMappingValue(evt, isSimple: false);
				break;
			case EmitterState.BlockSequenceFirstItem:
				EmitBlockSequenceItem(evt, isFirst: true);
				break;
			case EmitterState.BlockSequenceItem:
				EmitBlockSequenceItem(evt, isFirst: false);
				break;
			case EmitterState.BlockMappingFirstKey:
				EmitBlockMappingKey(evt, isFirst: true);
				break;
			case EmitterState.BlockMappingKey:
				EmitBlockMappingKey(evt, isFirst: false);
				break;
			case EmitterState.BlockMappingSimpleValue:
				EmitBlockMappingValue(evt, isSimple: true);
				break;
			case EmitterState.BlockMappingValue:
				EmitBlockMappingValue(evt, isSimple: false);
				break;
			case EmitterState.StreamEnd:
				throw new YamlException("Expected nothing after STREAM-END");
			default:
				throw new InvalidOperationException();
			}
		}

		private void EmitComment(YamlDotNet.Core.Events.Comment comment)
		{
			if (flowLevel > 0 || state == EmitterState.FlowMappingFirstKey || state == EmitterState.FlowSequenceFirstItem)
			{
				return;
			}
			string[] array = comment.Value.Split(NewLineSeparators, StringSplitOptions.None);
			if (comment.IsInline)
			{
				Write(" # ");
				Write(string.Join(" ", array));
			}
			else
			{
				bool flag = state == EmitterState.BlockMappingFirstKey;
				if (flag)
				{
					IncreaseIndent(isFlow: false, isIndentless: false);
				}
				string[] array2 = array;
				foreach (string value in array2)
				{
					WriteIndent();
					Write("# ");
					Write(value);
					WriteBreak();
				}
				if (flag)
				{
					indent = indents.Pop();
				}
			}
			isIndentation = true;
		}

		private void EmitStreamStart(ParsingEvent evt)
		{
			if (!(evt is YamlDotNet.Core.Events.StreamStart))
			{
				throw new ArgumentException("Expected STREAM-START.", "evt");
			}
			indent = -1;
			column = 0;
			isWhitespace = true;
			isIndentation = true;
			state = EmitterState.FirstDocumentStart;
		}

		private void EmitDocumentStart(ParsingEvent evt, bool isFirst)
		{
			if (evt is YamlDotNet.Core.Events.DocumentStart documentStart)
			{
				bool flag = documentStart.IsImplicit && isFirst && !isCanonical;
				TagDirectiveCollection tagDirectiveCollection = NonDefaultTagsAmong(documentStart.Tags);
				if (!isFirst && !isDocumentEndWritten && (documentStart.Version != null || tagDirectiveCollection.Count > 0))
				{
					isDocumentEndWritten = false;
					WriteIndicator("...", needWhitespace: true, whitespace: false, indentation: false);
					WriteIndent();
				}
				if (documentStart.Version != null)
				{
					AnalyzeVersionDirective(documentStart.Version);
					Version version = documentStart.Version.Version;
					flag = false;
					WriteIndicator("%YAML", needWhitespace: true, whitespace: false, indentation: false);
					WriteIndicator(string.Format(CultureInfo.InvariantCulture, "{0}.{1}", version.Major, version.Minor), needWhitespace: true, whitespace: false, indentation: false);
					WriteIndent();
				}
				foreach (TagDirective item in tagDirectiveCollection)
				{
					AppendTagDirectiveTo(item, allowDuplicates: false, tagDirectives);
				}
				TagDirective[] defaultTagDirectives = Constants.DefaultTagDirectives;
				foreach (TagDirective value in defaultTagDirectives)
				{
					AppendTagDirectiveTo(value, allowDuplicates: true, tagDirectives);
				}
				if (tagDirectiveCollection.Count > 0)
				{
					flag = false;
					TagDirective[] defaultTagDirectives2 = Constants.DefaultTagDirectives;
					foreach (TagDirective value2 in defaultTagDirectives2)
					{
						AppendTagDirectiveTo(value2, allowDuplicates: true, tagDirectiveCollection);
					}
					foreach (TagDirective item2 in tagDirectiveCollection)
					{
						WriteIndicator("%TAG", needWhitespace: true, whitespace: false, indentation: false);
						WriteTagHandle(item2.Handle);
						WriteTagContent(item2.Prefix, needsWhitespace: true);
						WriteIndent();
					}
				}
				if (CheckEmptyDocument())
				{
					flag = false;
				}
				if (!flag)
				{
					WriteIndent();
					WriteIndicator("---", needWhitespace: true, whitespace: false, indentation: false);
					if (isCanonical)
					{
						WriteIndent();
					}
				}
				state = EmitterState.DocumentContent;
			}
			else
			{
				if (!(evt is YamlDotNet.Core.Events.StreamEnd))
				{
					throw new YamlException("Expected DOCUMENT-START or STREAM-END");
				}
				state = EmitterState.StreamEnd;
			}
		}

		private static TagDirectiveCollection NonDefaultTagsAmong(IEnumerable<TagDirective>? tagCollection)
		{
			TagDirectiveCollection tagDirectiveCollection = new TagDirectiveCollection();
			if (tagCollection == null)
			{
				return tagDirectiveCollection;
			}
			foreach (TagDirective item2 in tagCollection)
			{
				AppendTagDirectiveTo(item2, allowDuplicates: false, tagDirectiveCollection);
			}
			TagDirective[] defaultTagDirectives = Constants.DefaultTagDirectives;
			foreach (TagDirective item in defaultTagDirectives)
			{
				tagDirectiveCollection.Remove(item);
			}
			return tagDirectiveCollection;
		}

		private static void AnalyzeVersionDirective(VersionDirective versionDirective)
		{
			if (versionDirective.Version.Major != 1 || versionDirective.Version.Minor > 3)
			{
				throw new YamlException("Incompatible %YAML directive");
			}
		}

		private static void AppendTagDirectiveTo(TagDirective value, bool allowDuplicates, TagDirectiveCollection tagDirectives)
		{
			if (tagDirectives.Contains(value))
			{
				if (!allowDuplicates)
				{
					throw new YamlException("Duplicate %TAG directive.");
				}
			}
			else
			{
				tagDirectives.Add(value);
			}
		}

		private void EmitDocumentContent(ParsingEvent evt)
		{
			states.Push(EmitterState.DocumentEnd);
			EmitNode(evt, isMapping: false, isSimpleKey: false);
		}

		private void EmitNode(ParsingEvent evt, bool isMapping, bool isSimpleKey)
		{
			isMappingContext = isMapping;
			isSimpleKeyContext = isSimpleKey;
			switch (evt.Type)
			{
			case EventType.Alias:
				EmitAlias();
				break;
			case EventType.Scalar:
				EmitScalar(evt);
				break;
			case EventType.SequenceStart:
				EmitSequenceStart(evt);
				break;
			case EventType.MappingStart:
				EmitMappingStart(evt);
				break;
			default:
				throw new YamlException($"Expected SCALAR, SEQUENCE-START, MAPPING-START, or ALIAS, got {evt.Type}");
			}
		}

		private void EmitAlias()
		{
			ProcessAnchor();
			state = states.Pop();
		}

		private void EmitScalar(ParsingEvent evt)
		{
			SelectScalarStyle(evt);
			ProcessAnchor();
			ProcessTag();
			IncreaseIndent(isFlow: true, isIndentless: false);
			ProcessScalar();
			indent = indents.Pop();
			state = states.Pop();
		}

		private void SelectScalarStyle(ParsingEvent evt)
		{
			YamlDotNet.Core.Events.Scalar scalar = (YamlDotNet.Core.Events.Scalar)evt;
			ScalarStyle scalarStyle = scalar.Style;
			bool flag = tagData.Handle == null && tagData.Suffix == null;
			if (flag && !scalar.IsPlainImplicit && !scalar.IsQuotedImplicit)
			{
				throw new YamlException("Neither tag nor isImplicit flags are specified.");
			}
			if (scalarStyle == ScalarStyle.Any)
			{
				scalarStyle = ((!scalarData.IsMultiline) ? ScalarStyle.Plain : ScalarStyle.Folded);
			}
			if (isCanonical)
			{
				scalarStyle = ScalarStyle.DoubleQuoted;
			}
			if (isSimpleKeyContext && scalarData.IsMultiline)
			{
				scalarStyle = ScalarStyle.DoubleQuoted;
			}
			if (scalarStyle == ScalarStyle.Plain)
			{
				if ((flowLevel != 0 && !scalarData.IsFlowPlainAllowed) || (flowLevel == 0 && !scalarData.IsBlockPlainAllowed))
				{
					scalarStyle = ((scalarData.IsSingleQuotedAllowed && !scalarData.HasSingleQuotes) ? ScalarStyle.SingleQuoted : ScalarStyle.DoubleQuoted);
				}
				if (string.IsNullOrEmpty(scalarData.Value) && (flowLevel != 0 || isSimpleKeyContext))
				{
					scalarStyle = ScalarStyle.SingleQuoted;
				}
				if (flag && !scalar.IsPlainImplicit)
				{
					scalarStyle = ScalarStyle.SingleQuoted;
				}
			}
			if (scalarStyle == ScalarStyle.SingleQuoted && !scalarData.IsSingleQuotedAllowed)
			{
				scalarStyle = ScalarStyle.DoubleQuoted;
			}
			if ((scalarStyle == ScalarStyle.Literal || scalarStyle == ScalarStyle.Folded) && (!scalarData.IsBlockAllowed || flowLevel != 0 || isSimpleKeyContext))
			{
				scalarStyle = ScalarStyle.DoubleQuoted;
			}
			if (scalarStyle == ScalarStyle.ForcePlain)
			{
				scalarStyle = ScalarStyle.Plain;
			}
			scalarData.Style = scalarStyle;
		}

		private void ProcessScalar()
		{
			switch (scalarData.Style)
			{
			case ScalarStyle.Plain:
				WritePlainScalar(scalarData.Value, !isSimpleKeyContext);
				break;
			case ScalarStyle.SingleQuoted:
				WriteSingleQuotedScalar(scalarData.Value, !isSimpleKeyContext);
				break;
			case ScalarStyle.DoubleQuoted:
				WriteDoubleQuotedScalar(scalarData.Value, !isSimpleKeyContext);
				break;
			case ScalarStyle.Literal:
				WriteLiteralScalar(scalarData.Value);
				break;
			case ScalarStyle.Folded:
				WriteFoldedScalar(scalarData.Value);
				break;
			default:
				throw new InvalidOperationException();
			}
		}

		private void WritePlainScalar(string value, bool allowBreaks)
		{
			if (!isWhitespace)
			{
				Write(' ');
			}
			bool flag = false;
			bool flag2 = false;
			for (int i = 0; i < value.Length; i++)
			{
				char c = value[i];
				if (IsSpace(c))
				{
					if (allowBreaks && !flag && column > bestWidth && i + 1 < value.Length && value[i + 1] != ' ')
					{
						WriteIndent();
					}
					else
					{
						Write(c);
					}
					flag = true;
					continue;
				}
				if (IsBreak(c, out var breakChar))
				{
					if (!flag2 && c == '\n')
					{
						WriteBreak();
					}
					WriteBreak(breakChar);
					isIndentation = true;
					flag2 = true;
					continue;
				}
				if (flag2)
				{
					WriteIndent();
				}
				Write(c);
				isIndentation = false;
				flag = false;
				flag2 = false;
			}
			isWhitespace = false;
			isIndentation = false;
		}

		private void WriteSingleQuotedScalar(string value, bool allowBreaks)
		{
			WriteIndicator("'", needWhitespace: true, whitespace: false, indentation: false);
			bool flag = false;
			bool flag2 = false;
			for (int i = 0; i < value.Length; i++)
			{
				char c = value[i];
				if (c == ' ')
				{
					if (allowBreaks && !flag && column > bestWidth && i != 0 && i + 1 < value.Length && value[i + 1] != ' ')
					{
						WriteIndent();
					}
					else
					{
						Write(c);
					}
					flag = true;
					continue;
				}
				if (IsBreak(c, out var breakChar))
				{
					if (!flag2 && c == '\n')
					{
						WriteBreak();
					}
					WriteBreak(breakChar);
					isIndentation = true;
					flag2 = true;
					continue;
				}
				if (flag2)
				{
					WriteIndent();
				}
				if (c == '\'')
				{
					Write(c);
				}
				Write(c);
				isIndentation = false;
				flag = false;
				flag2 = false;
			}
			WriteIndicator("'", needWhitespace: false, whitespace: false, indentation: false);
			isWhitespace = false;
			isIndentation = false;
		}

		private void WriteDoubleQuotedScalar(string value, bool allowBreaks)
		{
			WriteIndicator("\"", needWhitespace: true, whitespace: false, indentation: false);
			bool flag = false;
			for (int i = 0; i < value.Length; i++)
			{
				char c = value[i];
				if (IsPrintable(c) && !IsBreak(c, out var _))
				{
					switch (c)
					{
					case '"':
					case '\\':
						break;
					case ' ':
						if (allowBreaks && !flag && column > bestWidth && i > 0 && i + 1 < value.Length)
						{
							WriteIndent();
							if (value[i + 1] == ' ')
							{
								Write('\\');
							}
						}
						else
						{
							Write(c);
						}
						flag = true;
						continue;
					default:
						Write(c);
						flag = false;
						continue;
					}
				}
				Write('\\');
				switch (c)
				{
				case '\0':
					Write('0');
					break;
				case '\a':
					Write('a');
					break;
				case '\b':
					Write('b');
					break;
				case '\t':
					Write('t');
					break;
				case '\n':
					Write('n');
					break;
				case '\v':
					Write('v');
					break;
				case '\f':
					Write('f');
					break;
				case '\r':
					Write('r');
					break;
				case '\u001b':
					Write('e');
					break;
				case '"':
					Write('"');
					break;
				case '\\':
					Write('\\');
					break;
				case '\u0085':
					Write('N');
					break;
				case '\u00a0':
					Write('_');
					break;
				case '\u2028':
					Write('L');
					break;
				case '\u2029':
					Write('P');
					break;
				default:
				{
					ushort num = c;
					if (num <= 255)
					{
						Write('x');
						Write(num.ToString("X02", CultureInfo.InvariantCulture));
					}
					else if (IsHighSurrogate(c))
					{
						if (i + 1 >= value.Length || !IsLowSurrogate(value[i + 1]))
						{
							throw new SyntaxErrorException("While writing a quoted scalar, found an orphaned high surrogate.");
						}
						if (useUtf16SurrogatePair)
						{
							Write('u');
							Write(num.ToString("X04", CultureInfo.InvariantCulture));
							Write('\\');
							Write('u');
							Write(((ushort)value[i + 1]).ToString("X04", CultureInfo.InvariantCulture));
						}
						else
						{
							Write('U');
							Write(char.ConvertToUtf32(c, value[i + 1]).ToString("X08", CultureInfo.InvariantCulture));
						}
						i++;
					}
					else
					{
						Write('u');
						Write(num.ToString("X04", CultureInfo.InvariantCulture));
					}
					break;
				}
				}
				flag = false;
			}
			WriteIndicator("\"", needWhitespace: false, whitespace: false, indentation: false);
			isWhitespace = false;
			isIndentation = false;
		}

		private void WriteLiteralScalar(string value)
		{
			bool flag = true;
			WriteIndicator("|", needWhitespace: true, whitespace: false, indentation: false);
			WriteBlockScalarHints(value);
			WriteBreak();
			isIndentation = true;
			isWhitespace = true;
			for (int i = 0; i < value.Length; i++)
			{
				char c = value[i];
				if (c == '\r' && i + 1 < value.Length && value[i + 1] == '\n')
				{
					continue;
				}
				if (IsBreak(c, out var breakChar))
				{
					WriteBreak(breakChar);
					isIndentation = true;
					flag = true;
					continue;
				}
				if (flag)
				{
					WriteIndent();
				}
				Write(c);
				isIndentation = false;
				flag = false;
			}
		}

		private void WriteFoldedScalar(string value)
		{
			bool flag = true;
			bool flag2 = true;
			WriteIndicator(">", needWhitespace: true, whitespace: false, indentation: false);
			WriteBlockScalarHints(value);
			WriteBreak();
			isIndentation = true;
			isWhitespace = true;
			for (int i = 0; i < value.Length; i++)
			{
				char c = value[i];
				if (IsBreak(c, out var breakChar))
				{
					if (c == '\r' && i + 1 < value.Length && value[i + 1] == '\n')
					{
						continue;
					}
					if (!flag && !flag2 && breakChar == '\n')
					{
						int j;
						char breakChar2;
						for (j = 0; i + j < value.Length && IsBreak(value[i + j], out breakChar2); j++)
						{
						}
						if (i + j < value.Length && !IsBlank(value[i + j]) && !IsBreak(value[i + j], out breakChar2))
						{
							WriteBreak();
						}
					}
					WriteBreak(breakChar);
					isIndentation = true;
					flag = true;
				}
				else
				{
					if (flag)
					{
						WriteIndent();
						flag2 = IsBlank(c);
					}
					if (!flag && c == ' ' && i + 1 < value.Length && value[i + 1] != ' ' && column > bestWidth)
					{
						WriteIndent();
					}
					else
					{
						Write(c);
					}
					isIndentation = false;
					flag = false;
				}
			}
		}

		private static bool IsSpace(char character)
		{
			return character == ' ';
		}

		private static bool IsBreak(char character, out char breakChar)
		{
			switch (character)
			{
			case '\n':
			case '\r':
			case '\u0085':
				breakChar = '\n';
				return true;
			case '\u2028':
			case '\u2029':
				breakChar = character;
				return true;
			default:
				breakChar = '\0';
				return false;
			}
		}

		private static bool IsBlank(char character)
		{
			if (character != ' ')
			{
				return character == '\t';
			}
			return true;
		}

		private static bool IsPrintable(char character)
		{
			switch (character)
			{
			default:
				if (character != '\u0085' && (character < '\u00a0' || character > '\ud7ff'))
				{
					if (character >= '\ue000')
					{
						return character <= '\ufffd';
					}
					return false;
				}
				break;
			case '\t':
			case '\n':
			case '\r':
			case ' ':
			case '!':
			case '"':
			case '#':
			case '$':
			case '%':
			case '&':
			case '\'':
			case '(':
			case ')':
			case '*':
			case '+':
			case ',':
			case '-':
			case '.':
			case '/':
			case '0':
			case '1':
			case '2':
			case '3':
			case '4':
			case '5':
			case '6':
			case '7':
			case '8':
			case '9':
			case ':':
			case ';':
			case '<':
			case '=':
			case '>':
			case '?':
			case '@':
			case 'A':
			case 'B':
			case 'C':
			case 'D':
			case 'E':
			case 'F':
			case 'G':
			case 'H':
			case 'I':
			case 'J':
			case 'K':
			case 'L':
			case 'M':
			case 'N':
			case 'O':
			case 'P':
			case 'Q':
			case 'R':
			case 'S':
			case 'T':
			case 'U':
			case 'V':
			case 'W':
			case 'X':
			case 'Y':
			case 'Z':
			case '[':
			case '\\':
			case ']':
			case '^':
			case '_':
			case '`':
			case 'a':
			case 'b':
			case 'c':
			case 'd':
			case 'e':
			case 'f':
			case 'g':
			case 'h':
			case 'i':
			case 'j':
			case 'k':
			case 'l':
			case 'm':
			case 'n':
			case 'o':
			case 'p':
			case 'q':
			case 'r':
			case 's':
			case 't':
			case 'u':
			case 'v':
			case 'w':
			case 'x':
			case 'y':
			case 'z':
			case '{':
			case '|':
			case '}':
			case '~':
				break;
			}
			return true;
		}

		private static bool IsHighSurrogate(char c)
		{
			if ('\ud800' <= c)
			{
				return c <= '\udbff';
			}
			return false;
		}

		private static bool IsLowSurrogate(char c)
		{
			if ('\udc00' <= c)
			{
				return c <= '\udfff';
			}
			return false;
		}

		private void EmitSequenceStart(ParsingEvent evt)
		{
			ProcessAnchor();
			ProcessTag();
			SequenceStart sequenceStart = (SequenceStart)evt;
			if (flowLevel != 0 || isCanonical || sequenceStart.Style == SequenceStyle.Flow || CheckEmptySequence())
			{
				state = EmitterState.FlowSequenceFirstItem;
			}
			else
			{
				state = EmitterState.BlockSequenceFirstItem;
			}
		}

		private void EmitMappingStart(ParsingEvent evt)
		{
			ProcessAnchor();
			ProcessTag();
			MappingStart mappingStart = (MappingStart)evt;
			if (flowLevel != 0 || isCanonical || mappingStart.Style == MappingStyle.Flow || CheckEmptyMapping())
			{
				state = EmitterState.FlowMappingFirstKey;
			}
			else
			{
				state = EmitterState.BlockMappingFirstKey;
			}
		}

		private void ProcessAnchor()
		{
			if (!anchorData.Anchor.IsEmpty && !skipAnchorName)
			{
				WriteIndicator(anchorData.IsAlias ? "*" : "&", needWhitespace: true, whitespace: false, indentation: false);
				WriteAnchor(anchorData.Anchor);
			}
		}

		private void ProcessTag()
		{
			if (tagData.Handle == null && tagData.Suffix == null)
			{
				return;
			}
			if (tagData.Handle != null)
			{
				WriteTagHandle(tagData.Handle);
				if (tagData.Suffix != null)
				{
					WriteTagContent(tagData.Suffix, needsWhitespace: false);
				}
			}
			else
			{
				WriteIndicator("!<", needWhitespace: true, whitespace: false, indentation: false);
				WriteTagContent(tagData.Suffix, needsWhitespace: false);
				WriteIndicator(">", needWhitespace: false, whitespace: false, indentation: false);
			}
		}

		private void EmitDocumentEnd(ParsingEvent evt)
		{
			if (evt is YamlDotNet.Core.Events.DocumentEnd documentEnd)
			{
				WriteIndent();
				if (!documentEnd.IsImplicit)
				{
					WriteIndicator("...", needWhitespace: true, whitespace: false, indentation: false);
					WriteIndent();
					isDocumentEndWritten = true;
				}
				state = EmitterState.DocumentStart;
				tagDirectives.Clear();
				return;
			}
			throw new YamlException("Expected DOCUMENT-END.");
		}

		private void EmitFlowSequenceItem(ParsingEvent evt, bool isFirst)
		{
			if (isFirst)
			{
				WriteIndicator("[", needWhitespace: true, whitespace: true, indentation: false);
				IncreaseIndent(isFlow: true, isIndentless: false);
				flowLevel++;
			}
			if (evt is SequenceEnd)
			{
				flowLevel--;
				indent = indents.Pop();
				if (isCanonical && !isFirst)
				{
					WriteIndicator(",", needWhitespace: false, whitespace: false, indentation: false);
					WriteIndent();
				}
				WriteIndicator("]", needWhitespace: false, whitespace: false, indentation: false);
				state = states.Pop();
			}
			else
			{
				if (!isFirst)
				{
					WriteIndicator(",", needWhitespace: false, whitespace: false, indentation: false);
				}
				if (isCanonical || column > bestWidth)
				{
					WriteIndent();
				}
				states.Push(EmitterState.FlowSequenceItem);
				EmitNode(evt, isMapping: false, isSimpleKey: false);
			}
		}

		private void EmitFlowMappingKey(ParsingEvent evt, bool isFirst)
		{
			if (isFirst)
			{
				WriteIndicator("{", needWhitespace: true, whitespace: true, indentation: false);
				IncreaseIndent(isFlow: true, isIndentless: false);
				flowLevel++;
			}
			if (evt is MappingEnd)
			{
				flowLevel--;
				indent = indents.Pop();
				if (isCanonical && !isFirst)
				{
					WriteIndicator(",", needWhitespace: false, whitespace: false, indentation: false);
					WriteIndent();
				}
				WriteIndicator("}", needWhitespace: false, whitespace: false, indentation: false);
				state = states.Pop();
				return;
			}
			if (!isFirst)
			{
				WriteIndicator(",", needWhitespace: false, whitespace: false, indentation: false);
			}
			if (isCanonical || column > bestWidth)
			{
				WriteIndent();
			}
			if (!isCanonical && CheckSimpleKey())
			{
				states.Push(EmitterState.FlowMappingSimpleValue);
				EmitNode(evt, isMapping: true, isSimpleKey: true);
			}
			else
			{
				WriteIndicator("?", needWhitespace: true, whitespace: false, indentation: false);
				states.Push(EmitterState.FlowMappingValue);
				EmitNode(evt, isMapping: true, isSimpleKey: false);
			}
		}

		private void EmitFlowMappingValue(ParsingEvent evt, bool isSimple)
		{
			if (isSimple)
			{
				WriteIndicator(":", needWhitespace: false, whitespace: false, indentation: false);
			}
			else
			{
				if (isCanonical || column > bestWidth)
				{
					WriteIndent();
				}
				WriteIndicator(":", needWhitespace: true, whitespace: false, indentation: false);
			}
			states.Push(EmitterState.FlowMappingKey);
			EmitNode(evt, isMapping: true, isSimpleKey: false);
		}

		private void EmitBlockSequenceItem(ParsingEvent evt, bool isFirst)
		{
			if (isFirst)
			{
				IncreaseIndent(isFlow: false, isMappingContext && !isIndentation);
			}
			if (evt is SequenceEnd)
			{
				indent = indents.Pop();
				state = states.Pop();
				return;
			}
			WriteIndent();
			WriteIndicator("-", needWhitespace: true, whitespace: false, indentation: true);
			states.Push(EmitterState.BlockSequenceItem);
			EmitNode(evt, isMapping: false, isSimpleKey: false);
		}

		private void EmitBlockMappingKey(ParsingEvent evt, bool isFirst)
		{
			if (isFirst)
			{
				IncreaseIndent(isFlow: false, isIndentless: false);
			}
			if (evt is MappingEnd)
			{
				indent = indents.Pop();
				state = states.Pop();
				return;
			}
			WriteIndent();
			if (CheckSimpleKey())
			{
				states.Push(EmitterState.BlockMappingSimpleValue);
				EmitNode(evt, isMapping: true, isSimpleKey: true);
				WriteIndicator(":", needWhitespace: false, whitespace: false, indentation: false);
			}
			else
			{
				WriteIndicator("?", needWhitespace: true, whitespace: false, indentation: true);
				states.Push(EmitterState.BlockMappingValue);
				EmitNode(evt, isMapping: true, isSimpleKey: false);
			}
		}

		private void EmitBlockMappingValue(ParsingEvent evt, bool isSimple)
		{
			if (!isSimple)
			{
				WriteIndent();
				WriteIndicator(":", needWhitespace: true, whitespace: false, indentation: true);
			}
			states.Push(EmitterState.BlockMappingKey);
			EmitNode(evt, isMapping: true, isSimpleKey: false);
		}

		private void IncreaseIndent(bool isFlow, bool isIndentless)
		{
			indents.Push(indent);
			if (indent < 0)
			{
				indent = (isFlow ? bestIndent : 0);
			}
			else if (!isIndentless || !forceIndentLess)
			{
				indent += bestIndent;
			}
		}

		private bool CheckEmptyDocument()
		{
			int num = 0;
			foreach (ParsingEvent @event in events)
			{
				num++;
				if (num == 2)
				{
					if (@event is YamlDotNet.Core.Events.Scalar scalar)
					{
						return string.IsNullOrEmpty(scalar.Value);
					}
					break;
				}
			}
			return false;
		}

		private bool CheckSimpleKey()
		{
			if (events.Count < 1)
			{
				return false;
			}
			int num;
			switch (events.Peek().Type)
			{
			case EventType.Alias:
				num = AnchorNameLength(anchorData.Anchor);
				break;
			case EventType.Scalar:
				if (scalarData.IsMultiline)
				{
					return false;
				}
				num = AnchorNameLength(anchorData.Anchor) + SafeStringLength(tagData.Handle) + SafeStringLength(tagData.Suffix) + SafeStringLength(scalarData.Value);
				break;
			case EventType.SequenceStart:
				if (!CheckEmptySequence())
				{
					return false;
				}
				num = AnchorNameLength(anchorData.Anchor) + SafeStringLength(tagData.Handle) + SafeStringLength(tagData.Suffix);
				break;
			case EventType.MappingStart:
				if (!CheckEmptySequence())
				{
					return false;
				}
				num = AnchorNameLength(anchorData.Anchor) + SafeStringLength(tagData.Handle) + SafeStringLength(tagData.Suffix);
				break;
			default:
				return false;
			}
			return num <= maxSimpleKeyLength;
		}

		private static int AnchorNameLength(AnchorName value)
		{
			if (!value.IsEmpty)
			{
				return value.Value.Length;
			}
			return 0;
		}

		private static int SafeStringLength(string? value)
		{
			return value?.Length ?? 0;
		}

		private bool CheckEmptySequence()
		{
			return CheckEmptyStructure<SequenceStart, SequenceEnd>();
		}

		private bool CheckEmptyMapping()
		{
			return CheckEmptyStructure<MappingStart, MappingEnd>();
		}

		private bool CheckEmptyStructure<TStart, TEnd>() where TStart : NodeEvent where TEnd : ParsingEvent
		{
			if (events.Count < 2)
			{
				return false;
			}
			using Queue<ParsingEvent>.Enumerator enumerator = events.GetEnumerator();
			return enumerator.MoveNext() && enumerator.Current is TStart && enumerator.MoveNext() && enumerator.Current is TEnd;
		}

		private void WriteBlockScalarHints(string value)
		{
			StringLookAheadBufferPool.BufferWrapper bufferWrapper = StringLookAheadBufferPool.Rent(value);
			try
			{
				CharacterAnalyzer<StringLookAheadBuffer> characterAnalyzer = new CharacterAnalyzer<StringLookAheadBuffer>(bufferWrapper.Buffer);
				if (characterAnalyzer.IsSpace() || characterAnalyzer.IsBreak())
				{
					int num = bestIndent;
					string indicator = num.ToString(CultureInfo.InvariantCulture);
					WriteIndicator(indicator, needWhitespace: false, whitespace: false, indentation: false);
				}
				string text = null;
				if (value.Length == 0 || !characterAnalyzer.IsBreak(value.Length - 1))
				{
					text = "-";
				}
				else if (value.Length >= 2 && characterAnalyzer.IsBreak(value.Length - 2))
				{
					text = "+";
				}
				if (text != null)
				{
					WriteIndicator(text, needWhitespace: false, whitespace: false, indentation: false);
				}
			}
			finally
			{
				((IDisposable)bufferWrapper/*cast due to .constrained prefix*/).Dispose();
			}
		}

		private void WriteIndicator(string indicator, bool needWhitespace, bool whitespace, bool indentation)
		{
			if (needWhitespace && !isWhitespace)
			{
				Write(' ');
			}
			Write(indicator);
			isWhitespace = whitespace;
			isIndentation &= indentation;
		}

		private void WriteIndent()
		{
			int num = Math.Max(indent, 0);
			if (!isIndentation || column > num || (column == num && !isWhitespace))
			{
				WriteBreak();
			}
			while (column < num)
			{
				Write(' ');
			}
			isWhitespace = true;
			isIndentation = true;
		}

		private void WriteAnchor(AnchorName value)
		{
			Write(value.Value);
			isWhitespace = false;
			isIndentation = false;
		}

		private void WriteTagHandle(string value)
		{
			if (!isWhitespace)
			{
				Write(' ');
			}
			Write(value);
			isWhitespace = false;
			isIndentation = false;
		}

		private void WriteTagContent(string value, bool needsWhitespace)
		{
			if (needsWhitespace && !isWhitespace)
			{
				Write(' ');
			}
			Write(UrlEncode(value));
			isWhitespace = false;
			isIndentation = false;
		}

		private static string UrlEncode(string text)
		{
			return UriReplacer.Replace(text, delegate(Match match)
			{
				StringBuilderPool.BuilderWrapper builderWrapper = StringBuilderPool.Rent();
				try
				{
					StringBuilder builder = builderWrapper.Builder;
					byte[] bytes = Encoding.UTF8.GetBytes(match.Value);
					foreach (byte b in bytes)
					{
						builder.AppendFormat(CultureInfo.InvariantCulture, "%{0:X02}", b);
					}
					return builder.ToString();
				}
				finally
				{
					((IDisposable)builderWrapper/*cast due to .constrained prefix*/).Dispose();
				}
			});
		}

		private void Write(char value)
		{
			output.Write(value);
			column++;
		}

		private void Write(string value)
		{
			output.Write(value);
			column += value.Length;
		}

		private void WriteBreak(char breakCharacter = '\n')
		{
			if (breakCharacter == '\n')
			{
				output.WriteLine();
			}
			else
			{
				output.Write(breakCharacter);
			}
			column = 0;
		}
	}
	internal sealed class EmitterSettings
	{
		public static readonly EmitterSettings Default = new EmitterSettings();

		public int BestIndent { get; } = 2;

		public int BestWidth { get; } = int.MaxValue;

		public string NewLine { get; } = Environment.NewLine;

		public bool IsCanonical { get; }

		public bool SkipAnchorName { get; private set; }

		public int MaxSimpleKeyLength { get; } = 1024;

		public bool IndentSequences { get; }

		public bool UseUtf16SurrogatePairs { get; }

		public EmitterSettings()
		{
		}

		public EmitterSettings(int bestIndent, int bestWidth, bool isCanonical, int maxSimpleKeyLength, bool skipAnchorName = false, bool indentSequences = false, string? newLine = null, bool useUtf16SurrogatePairs = false)
		{
			if (bestIndent < 2 || bestIndent > 9)
			{
				throw new ArgumentOutOfRangeException("bestIndent", "BestIndent must be between 2 and 9, inclusive");
			}
			if (bestWidth <= bestIndent * 2)
			{
				throw new ArgumentOutOfRangeException("bestWidth", "BestWidth must be greater than BestIndent x 2.");
			}
			if (maxSimpleKeyLength < 0)
			{
				throw new ArgumentOutOfRangeException("maxSimpleKeyLength", "MaxSimpleKeyLength must be >= 0");
			}
			BestIndent = bestIndent;
			BestWidth = bestWidth;
			IsCanonical = isCanonical;
			MaxSimpleKeyLength = maxSimpleKeyLength;
			SkipAnchorName = skipAnchorName;
			IndentSequences = indentSequences;
			NewLine = newLine ?? Environment.NewLine;
			UseUtf16SurrogatePairs = useUtf16SurrogatePairs;
		}

		public EmitterSettings WithBestIndent(int bestIndent)
		{
			return new EmitterSettings(bestIndent, BestWidth, IsCanonical, MaxSimpleKeyLength, SkipAnchorName, IndentSequences, NewLine, UseUtf16SurrogatePairs);
		}

		public EmitterSettings WithBestWidth(int bestWidth)
		{
			return new EmitterSettings(BestIndent, bestWidth, IsCanonical, MaxSimpleKeyLength, SkipAnchorName, IndentSequences, NewLine, UseUtf16SurrogatePairs);
		}

		public EmitterSettings WithMaxSimpleKeyLength(int maxSimpleKeyLength)
		{
			return new EmitterSettings(BestIndent, BestWidth, IsCanonical, maxSimpleKeyLength, SkipAnchorName, IndentSequences, NewLine, UseUtf16SurrogatePairs);
		}

		public EmitterSettings WithNewLine(string newLine)
		{
			return new EmitterSettings(BestIndent, BestWidth, IsCanonical, MaxSimpleKeyLength, SkipAnchorName, IndentSequences, newLine, UseUtf16SurrogatePairs);
		}

		public EmitterSettings Canonical()
		{
			return new EmitterSettings(BestIndent, BestWidth, isCanonical: true, MaxSimpleKeyLength, SkipAnchorName);
		}

		public EmitterSettings WithoutAnchorName()
		{
			return new EmitterSettings(BestIndent, BestWidth, IsCanonical, MaxSimpleKeyLength, skipAnchorName: true, IndentSequences, NewLine, UseUtf16SurrogatePairs);
		}

		public EmitterSettings WithIndentedSequences()
		{
			return new EmitterSettings(BestIndent, BestWidth, IsCanonical, MaxSimpleKeyLength, SkipAnchorName, indentSequences: true, NewLine, UseUtf16SurrogatePairs);
		}

		public EmitterSettings WithUtf16SurrogatePairs()
		{
			return new EmitterSettings(BestIndent, BestWidth, IsCanonical, MaxSimpleKeyLength, SkipAnchorName, IndentSequences, NewLine, useUtf16SurrogatePairs: true);
		}
	}
	internal enum EmitterState
	{
		StreamStart,
		StreamEnd,
		FirstDocumentStart,
		DocumentStart,
		DocumentContent,
		DocumentEnd,
		FlowSequenceFirstItem,
		FlowSequenceItem,
		FlowMappingFirstKey,
		FlowMappingKey,
		FlowMappingSimpleValue,
		FlowMappingValue,
		BlockSequenceFirstItem,
		BlockSequenceItem,
		BlockMappingFirstKey,
		BlockMappingKey,
		BlockMappingSimpleValue,
		BlockMappingValue
	}
	internal sealed class ForwardAnchorNotSupportedException : YamlException
	{
		public ForwardAnchorNotSupportedException(string message)
			: base(message)
		{
		}

		public ForwardAnchorNotSupportedException(in Mark start, in Mark end, string message)
			: base(in start, in end, message)
		{
		}

		public ForwardAnchorNotSupportedException(string message, Exception inner)
			: base(message, inner)
		{
		}
	}
	internal static class HashCode
	{
		public static int CombineHashCodes(int h1, int h2)
		{
			return ((h1 << 5) + h1) ^ h2;
		}

		public static int CombineHashCodes(int h1, object? o2)
		{
			return CombineHashCodes(h1, GetHashCode(o2));
		}

		private static int GetHashCode(object? obj)
		{
			return obj?.GetHashCode() ?? 0;
		}
	}
	internal interface IEmitter
	{
		void Emit(ParsingEvent @event);
	}
	internal interface ILookAheadBuffer
	{
		bool EndOfInput { get; }

		char Peek(int offset);

		void Skip(int length);
	}
	internal sealed class InsertionQueue<T> : IEnumerable<T>, IEnumerable
	{
		private const int DefaultInitialCapacity = 128;

		private T[] items;

		private int readPtr;

		private int writePtr;

		private int mask;

		private int count;

		public int Count => count;

		public int Capacity => items.Length;

		public InsertionQueue(int initialCapacity = 128)
		{
			if (initialCapacity <= 0)
			{
				throw new ArgumentOutOfRangeException("initialCapacity", "The initial capacity must be a positive number.");
			}
			if (!initialCapacity.IsPowerOfTwo())
			{
				throw new ArgumentException("The initial capacity must be a power of 2.", "initialCapacity");
			}
			items = new T[initialCapacity];
			readPtr = initialCapacity / 2;
			writePtr = initialCapacity / 2;
			mask = initialCapacity - 1;
		}

		public void Enqueue(T item)
		{
			ResizeIfNeeded();
			items[writePtr] = item;
			writePtr = (writePtr - 1) & mask;
			count++;
		}

		public T Dequeue()
		{
			if (count == 0)
			{
				throw new InvalidOperationException("The queue is empty");
			}
			T result = items[readPtr];
			readPtr = (readPtr - 1) & mask;
			count--;
			return result;
		}

		public void Insert(int index, T item)
		{
			if (index > count)
			{
				throw new InvalidOperationException("Cannot insert outside of the bounds of the queue");
			}
			ResizeIfNeeded();
			CalculateInsertionParameters(mask, count, index, ref readPtr, ref writePtr, out var insertPtr, out var copyIndex, out var copyOffset, out var copyLength);
			if (copyLength != 0)
			{
				Array.Copy(items, copyIndex, items, copyIndex + copyOffset, copyLength);
			}
			items[insertPtr] = item;
			count++;
		}

		private void ResizeIfNeeded()
		{
			int num = items.Length;
			if (count == num)
			{
				T[] destinationArray = new T[num * 2];
				int num2 = readPtr + 1;
				if (num2 > 0)
				{
					Array.Copy(items, 0, destinationArray, 0, num2);
				}
				writePtr += num;
				int num3 = num - num2;
				if (num3 > 0)
				{
					Array.Copy(items, readPtr + 1, destinationArray, writePtr + 1, num3);
				}
				items = destinationArray;
				mask = mask * 2 + 1;
			}
		}

		internal static void CalculateInsertionParameters(int mask, int count, int index, ref int readPtr, ref int writePtr, out int insertPtr, out int copyIndex, out int copyOffset, out int copyLength)
		{
			int num = (readPtr + 1) & mask;
			if (index == 0)
			{
				insertPtr = (readPtr = num);
				copyIndex = 0;
				copyOffset = 0;
				copyLength = 0;
				return;
			}
			insertPtr = (readPtr - index) & mask;
			if (index == count)
			{
				writePtr = (writePtr - 1) & mask;
				copyIndex = 0;
				copyOffset = 0;
				copyLength = 0;
				return;
			}
			int num2 = ((num >= insertPtr) ? (readPtr - insertPtr) : int.MaxValue);
			int num3 = ((writePtr <= insertPtr) ? (insertPtr - writePtr) : int.MaxValue);
			if (num2 <= num3)
			{
				insertPtr++;
				readPtr++;
				copyIndex = insertPtr;
				copyOffset = 1;
				copyLength = num2;
			}
			else
			{
				copyIndex = writePtr + 1;
				copyOffset = -1;
				copyLength = num3;
				writePtr = (writePtr - 1) & mask;
			}
		}

		public IEnumerator<T> GetEnumerator()
		{
			int ptr = readPtr;
			for (int i = 0; i < Count; i++)
			{
				yield return items[ptr];
				ptr = (ptr - 1) & mask;
			}
		}

		IEnumerator IEnumerable.GetEnumerator()
		{
			return GetEnumerator();
		}
	}
	internal interface IParser
	{
		ParsingEvent? Current { get; }

		bool MoveNext();
	}
	internal interface IScanner
	{
		Mark CurrentPosition { get; }

		Token? Current { get; }

		bool MoveNext();

		bool MoveNextWithoutConsuming();

		void ConsumeCurrent();
	}
	[DebuggerStepThrough]
	internal sealed class LookAheadBuffer : ILookAheadBuffer
	{
		private readonly TextReader input;

		private readonly char[] buffer;

		private readonly int blockSize;

		private readonly int mask;

		private int firstIndex;

		private int writeOffset;

		private int count;

		private bool endOfInput;

		public bool EndOfInput
		{
			get
			{
				if (endOfInput)
				{
					return count == 0;
				}
				return false;
			}
		}

		public LookAheadBuffer(TextReader input, int capacity)
		{
			if (capacity < 1)
			{
				throw new ArgumentOutOfRangeException("capacity", "The capacity must be positive.");
			}
			if (!capacity.IsPowerOfTwo())
			{
				throw new ArgumentException("The capacity must be a power of 2.", "capacity");
			}
			this.input = input ?? throw new ArgumentNullException("input");
			blockSize = capacity;
			buffer = new char[capacity * 2];
			mask = capacity * 2 - 1;
		}

		private int GetIndexForOffset(int offset)
		{
			return (firstIndex + offset) & mask;
		}

		public char Peek(int offset)
		{
			if (offset >= count)
			{
				FillBuffer();
			}
			if (offset < count)
			{
				return buffer[(firstIndex + offset) & mask];
			}
			return '\0';
		}

		public void Cache(int length)
		{
			if (length >= count)
			{
				FillBuffer();
			}
		}

		private void FillBuffer()
		{
			if (endOfInput)
			{
				return;
			}
			int num = blockSize;
			do
			{
				int num2 = input.Read(buffer, writeOffset, num);
				if (num2 == 0)
				{
					endOfInput = true;
					return;
				}
				num -= num2;
				writeOffset += num2;
				count += num2;
			}
			while (num > 0);
			if (writeOffset == buffer.Length)
			{
				writeOffset = 0;
			}
		}

		public void Skip(int length)
		{
			if (length < 1 || length > blockSize)
			{
				throw new ArgumentOutOfRangeException("length", "The length must be between 1 and the number of characters in the buffer. Use the Peek() and / or Cache() methods to fill the buffer.");
			}
			firstIndex = GetIndexForOffset(length);
			count -= length;
		}
	}
	internal readonly struct Mark : IEquatable<Mark>, IComparable<Mark>, IComparable
	{
		public static readonly Mark Empty = new Mark(0L, 1L, 1L);

		public long Index { get; }

		public long Line { get; }

		public long Column { get; }

		public Mark(long index, long line, long column)
		{
			if (index < 0)
			{
				ThrowHelper.ThrowArgumentOutOfRangeException("index", "Index must be greater than or equal to zero.");
			}
			if (line < 1)
			{
				ThrowHelper.ThrowArgumentOutOfRangeException("line", "Line must be greater than or equal to 1.");
			}
			if (column < 1)
			{
				ThrowHelper.ThrowArgumentOutOfRangeException("column", "Column must be greater than or equal to 1.");
			}
			Index = index;
			Line = line;
			Column = column;
		}

		public override string ToString()
		{
			return $"Line: {Line}, Col: {Column}, Idx: {Index}";
		}

		public override bool Equals(object? obj)
		{
			return Equals((Mark)(obj ?? ((object)Empty)));
		}

		public bool Equals(Mark other)
		{
			if (Index == other.Index && Line == other.Line)
			{
				return Column == other.Column;
			}
			return false;
		}

		public override int GetHashCode()
		{
			return HashCode.CombineHashCodes(Index.GetHashCode(), HashCode.CombineHashCodes(Line.GetHashCode(), Column.GetHashCode()));
		}

		public int CompareTo(object? obj)
		{
			return CompareTo((Mark)(obj ?? ((object)Empty)));
		}

		public int CompareTo(Mark other)
		{
			int num = Line.CompareTo(other.Line);
			if (num == 0)
			{
				num = Column.CompareTo(other.Column);
			}
			return num;
		}

		public static bool operator ==(Mark left, Mark right)
		{
			return left.Equals(right);
		}

		public static bool operator !=(Mark left, Mark right)
		{
			return !(left == right);
		}

		public static bool operator <(Mark left, Mark right)
		{
			return left.CompareTo(right) < 0;
		}

		public static bool operator <=(Mark left, Mark right)
		{
			return left.CompareTo(right) <= 0;
		}

		public static bool operator >(Mark left, Mark right)
		{
			return left.CompareTo(right) > 0;
		}

		public static bool operator >=(Mark left, Mark right)
		{
			return left.CompareTo(right) >= 0;
		}
	}
	internal sealed class MaximumRecursionLevelReachedException : YamlException
	{
		public MaximumRecursionLevelReachedException(string message)
			: base(message)
		{
		}

		public MaximumRecursionLevelReachedException(in Mark start, in Mark end, string message)
			: base(in start, in end, message)
		{
		}

		public MaximumRecursionLevelReachedException(string message, Exception inner)
			: base(message, inner)
		{
		}
	}
	internal sealed class MergingParser : IParser
	{
		private sealed class ParsingEventCollection : IEnumerable<LinkedListNode<ParsingEvent>>, IEnumerable
		{
			private readonly LinkedList<ParsingEvent> events;

			private readonly HashSet<LinkedListNode<ParsingEvent>> deleted;

			private readonly Dictionary<AnchorName, LinkedListNode<ParsingEvent>> references;

			public ParsingEventCollection()
			{
				events = new LinkedList<ParsingEvent>();
				deleted = new HashSet<LinkedListNode<ParsingEvent>>();
				references = new Dictionary<AnchorName, LinkedListNode<ParsingEvent>>();
			}

			public void AddAfter(LinkedListNode<ParsingEvent> node, IEnumerable<ParsingEvent> items)
			{
				foreach (ParsingEvent item in items)
				{
					node = events.AddAfter(node, item);
				}
			}

			public void Add(ParsingEvent item)
			{
				LinkedListNode<ParsingEvent> node = events.AddLast(item);
				AddReference(item, node);
			}

			public void MarkDeleted(LinkedListNode<ParsingEvent> node)
			{
				deleted.Add(node);
			}

			public bool IsDeleted(LinkedListNode<ParsingEvent> node)
			{
				return deleted.Contains(node);
			}

			public void CleanMarked()
			{
				foreach (LinkedListNode<ParsingEvent> item in deleted)
				{
					events.Remove(item);
				}
			}

			public IEnumerable<LinkedListNode<ParsingEvent>> FromAnchor(AnchorName anchor)
			{
				LinkedListNode<ParsingEvent> next = references[anchor].Next;
				return Enumerate(next);
			}

			public IEnumerator<LinkedListNode<ParsingEvent>> GetEnumerator()
			{
				return Enumerate(events.First).GetEnumerator();
			}

			IEnumerator IEnumerable.GetEnumerator()
			{
				return GetEnumerator();
			}

			private static IEnumerable<LinkedListNode<ParsingEvent>> Enumerate(LinkedListNode<ParsingEvent>? node)
			{
				while (node != null)
				{
					yield return node;
					node = node.Next;
				}
			}

			private void AddReference(ParsingEvent item, LinkedListNode<ParsingEvent> node)
			{
				if (item is MappingStart { Anchor: { IsEmpty: false } anchor })
				{
					references[anchor] = node;
				}
			}
		}

		private sealed class ParsingEventCloner : IParsingEventVisitor
		{
			private ParsingEvent? clonedEvent;

			public ParsingEvent Clone(ParsingEvent e)
			{
				e.Accept(this);
				if (clonedEvent == null)
				{
					throw new InvalidOperationException($"Could not clone event of type '{e.Type}'");
				}
				return clonedEvent;
			}

			void IParsingEventVisitor.Visit(YamlDotNet.Core.Events.AnchorAlias e)
			{
				clonedEvent = new YamlDotNet.Core.Events.AnchorAlias(e.Value, e.Start, e.End);
			}

			void IParsingEventVisitor.Visit(YamlDotNet.Core.Events.StreamStart e)
			{
				throw new NotSupportedException();
			}

			void IParsingEventVisitor.Visit(YamlDotNet.Core.Events.StreamEnd e)
			{
				throw new NotSupportedException();
			}

			void IParsingEventVisitor.Visit(YamlDotNet.Core.Events.DocumentStart e)
			{
				throw new NotSupportedException();
			}

			void IParsingEventVisitor.Visit(YamlDotNet.Core.Events.DocumentEnd e)
			{
				throw new NotSupportedException();
			}

			void IParsingEventVisitor.Visit(YamlDotNet.Core.Events.Scalar e)
			{
				clonedEvent = new YamlDotNet.Core.Events.Scalar(AnchorName.Empty, e.Tag, e.Value, e.Style, e.IsPlainImplicit, e.IsQuotedImplicit, e.Start, e.End);
			}

			void IParsingEventVisitor.Visit(SequenceStart e)
			{
				clonedEvent = new SequenceStart(AnchorName.Empty, e.Tag, e.IsImplicit, e.Style, e.Start, e.End);
			}

			void IParsingEventVisitor.Visit(SequenceEnd e)
			{
				clonedEvent = new SequenceEnd(e.Start, e.End);
			}

			void IParsingEventVisitor.Visit(MappingStart e)
			{
				clonedEvent = new MappingStart(AnchorName.Empty, e.Tag, e.IsImplicit, e.Style, e.Start, e.End);
			}

			void IParsingEventVisitor.Visit(MappingEnd e)
			{
				clonedEvent = new MappingEnd(e.Start, e.End);
			}

			void IParsingEventVisitor.Visit(YamlDotNet.Core.Events.Comment e)
			{
				throw new NotSupportedException();
			}
		}

		private readonly ParsingEventCollection events;

		private readonly IParser innerParser;

		private IEnumerator<LinkedListNode<ParsingEvent>> iterator;

		private bool merged;

		public ParsingEvent? Current => iterator.Current?.Value;

		public MergingParser(IParser innerParser)
		{
			events = new ParsingEventCollection();
			merged = false;
			iterator = events.GetEnumerator();
			this.innerParser = innerParser;
		}

		public bool MoveNext()
		{
			if (!merged)
			{
				Merge();
				events.CleanMarked();
				iterator = events.GetEnumerator();
				merged = true;
			}
			return iterator.MoveNext();
		}

		private void Merge()
		{
			while (innerParser.MoveNext())
			{
				events.Add(innerParser.Current);
			}
			foreach (LinkedListNode<ParsingEvent> @event in events)
			{
				if (IsMergeToken(@event))
				{
					events.MarkDeleted(@event);
					if (!HandleMerge(@event.Next))
					{
						throw new SemanticErrorException(@event.Value.Start, @event.Value.End, "Unrecognized merge key pattern");
					}
				}
			}
		}

		private bool HandleMerge(LinkedListNode<ParsingEvent>? node)
		{
			if (node == null)
			{
				return false;
			}
			if (node.Value is YamlDotNet.Core.Events.AnchorAlias anchorAlias)
			{
				return HandleAnchorAlias(node, node, anchorAlias);
			}
			if (node.Value is SequenceStart)
			{
				return HandleSequence(node);
			}
			return false;
		}

		private bool HandleMergeSequence(LinkedListNode<ParsingEvent> sequenceStart, LinkedListNode<ParsingEvent>? node)
		{
			if (node == null)
			{
				return false;
			}
			if (node.Value is YamlDotNet.Core.Events.AnchorAlias anchorAlias)
			{
				return HandleAnchorAlias(sequenceStart, node, anchorAlias);
			}
			if (node.Value is SequenceStart)
			{
				return HandleSequence(node);
			}
			return false;
		}

		private static bool IsMergeToken(LinkedListNode<ParsingEvent> node)
		{
			if (node.Value is YamlDotNet.Core.Events.Scalar scalar)
			{
				return scalar.Value == "<<";
			}
			return false;
		}

		private bool HandleAnchorAlias(LinkedListNode<ParsingEvent> node, LinkedListNode<ParsingEvent> anchorNode, YamlDotNet.Core.Events.AnchorAlias anchorAlias)
		{
			IEnumerable<ParsingEvent> mappingEvents = GetMappingEvents(anchorAlias.Value);
			events.AddAfter(node, mappingEvents);
			events.MarkDeleted(anchorNode);
			return true;
		}

		private bool HandleSequence(LinkedListNode<ParsingEvent> node)
		{
			events.MarkDeleted(node);
			LinkedListNode<ParsingEvent> linkedListNode = node;
			while (linkedListNode != null)
			{
				if (linkedListNode.Value is SequenceEnd)
				{
					events.MarkDeleted(linkedListNode);
					return true;
				}
				LinkedListNode<ParsingEvent> next = linkedListNode.Next;
				HandleMergeSequence(node, next);
				linkedListNode = next;
			}
			return true;
		}

		private IEnumerable<ParsingEvent> GetMappingEvents(AnchorName anchor)
		{
			ParsingEventCloner parsingEventCloner = new ParsingEventCloner();
			int nesting = 0;
			return (from e in events.FromAnchor(anchor)
				where !events.IsDeleted(e)
				select e.Value).TakeWhile((ParsingEvent e) => (nesting += e.NestingIncrease) >= 0).Select(parsingEventCloner.Clone);
		}
	}
	internal class Parser : IParser
	{
		private class EventQueue
		{
			private readonly Queue<ParsingEvent> highPriorityEvents = new Queue<ParsingEvent>();

			private readonly Queue<ParsingEvent> normalPriorityEvents = new Queue<ParsingEvent>();

			public int Count => highPriorityEvents.Count + normalPriorityEvents.Count;

			public void Enqueue(ParsingEvent @event)
			{
				EventType type = @event.Type;
				if (type == EventType.StreamStart || type == EventType.DocumentStart)
				{
					highPriorityEvents.Enqueue(@event);
				}
				else
				{
					normalPriorityEvents.Enqueue(@event);
				}
			}

			public ParsingEvent Dequeue()
			{
				if (highPriorityEvents.Count <= 0)
				{
					return normalPriorityEvents.Dequeue();
				}
				return highPriorityEvents.Dequeue();
			}
		}

		private readonly Stack<ParserState> states = new Stack<ParserState>();

		private readonly TagDirectiveCollection tagDirectives = new TagDirectiveCollection();

		private ParserState state;

		private readonly IScanner scanner;

		private Token? currentToken;

		private VersionDirective? version;

		private readonly EventQueue pendingEvents = new EventQueue();

		public ParsingEvent? Current { get; private set; }

		private Token? GetCurrentToken()
		{
			if (currentToken == null)
			{
				while (scanner.MoveNextWithoutConsuming())
				{
					currentToken = scanner.Current;
					if (!(currentToken is YamlDotNet.Core.Tokens.Comment comment))
					{
						break;
					}
					pendingEvents.Enqueue(new YamlDotNet.Core.Events.Comment(comment.Value, comment.IsInline, comment.Start, comment.End));
					scanner.ConsumeCurrent();
				}
			}
			return currentToken;
		}

		public Parser(TextReader input)
			: this(new Scanner(input))
		{
		}

		public Parser(IScanner scanner)
		{
			this.scanner = scanner;
		}

		public bool MoveNext()
		{
			if (state == ParserState.StreamEnd)
			{
				Current = null;
				return false;
			}
			if (pendingEvents.Count == 0)
			{
				pendingEvents.Enqueue(StateMachine());
			}
			Current = pendingEvents.Dequeue();
			return true;
		}

		private ParsingEvent StateMachine()
		{
			return state switch
			{
				ParserState.StreamStart => ParseStreamStart(), 
				ParserState.ImplicitDocumentStart => ParseDocumentStart(isImplicit: true), 
				ParserState.DocumentStart => ParseDocumentStart(isImplicit: false), 
				ParserState.DocumentContent => ParseDocumentContent(), 
				ParserState.DocumentEnd => ParseDocumentEnd(), 
				ParserState.BlockNode => ParseNode(isBlock: true, isIndentlessSequence: false), 
				ParserState.BlockNodeOrIndentlessSequence => ParseNode(isBlock: true, isIndentlessSequence: true), 
				ParserState.FlowNode => ParseNode(isBlock: false, isIndentlessSequence: false), 
				ParserState.BlockSequenceFirstEntry => ParseBlockSequenceEntry(isFirst: true), 
				ParserState.BlockSequenceEntry => ParseBlockSequenceEntry(isFirst: false), 
				ParserState.IndentlessSequenceEntry => ParseIndentlessSequenceEntry(), 
				ParserState.BlockMappingFirstKey => ParseBlockMappingKey(isFirst: true), 
				ParserState.BlockMappingKey => ParseBlockMappingKey(isFirst: false), 
				ParserState.BlockMappingValue => ParseBlockMappingValue(), 
				ParserState.FlowSequenceFirstEntry => ParseFlowSequenceEntry(isFirst: true), 
				ParserState.FlowSequenceEntry => ParseFlowSequenceEntry(isFirst: false), 
				ParserState.FlowSequenceEntryMappingKey => ParseFlowSequenceEntryMappingKey(), 
				ParserState.FlowSequenceEntryMappingValue => ParseFlowSequenceEntryMappingValue(), 
				ParserState.FlowSequenceEntryMappingEnd => ParseFlowSequenceEntryMappingEnd(), 
				ParserState.FlowMappingFirstKey => ParseFlowMappingKey(isFirst: true), 
				ParserState.FlowMappingKey => ParseFlowMappingKey(isFirst: false), 
				ParserState.FlowMappingValue => ParseFlowMappingValue(isEmpty: false), 
				ParserState.FlowMappingEmptyValue => ParseFlowMappingValue(isEmpty: true), 
				_ => throw new InvalidOperationException(), 
			};
		}

		private void Skip()
		{
			if (currentToken != null)
			{
				currentToken = null;
				scanner.ConsumeCurrent();
			}
		}

		private YamlDotNet.Core.Events.StreamStart ParseStreamStart()
		{
			Token token = GetCurrentToken();
			if (!(token is YamlDotNet.Core.Tokens.StreamStart streamStart))
			{
				throw new SemanticErrorException(token?.Start ?? Mark.Empty, token?.End ?? Mark.Empty, "Did not find expected <stream-start>.");
			}
			Skip();
			state = ParserState.ImplicitDocumentStart;
			return new YamlDotNet.Core.Events.StreamStart(streamStart.Start, streamStart.End);
		}

		private ParsingEvent ParseDocumentStart(bool isImplicit)
		{
			if (currentToken is VersionDirective)
			{
				throw new SyntaxErrorException("While parsing a document start node, could not find document end marker before version directive.");
			}
			Token token = GetCurrentToken();
			if (!isImplicit)
			{
				while (token is YamlDotNet.Core.Tokens.DocumentEnd)
				{
					Skip();
					token = GetCurrentToken();
				}
			}
			if (token == null)
			{
				throw new SyntaxErrorException("Reached the end of the stream while parsing a document start.");
			}
			if (token is YamlDotNet.Core.Tokens.Scalar && (state == ParserState.ImplicitDocumentStart || state == ParserState.DocumentStart))
			{
				isImplicit = true;
			}
			if ((isImplicit && !(token is VersionDirective) && !(token is TagDirective) && !(token is YamlDotNet.Core.Tokens.DocumentStart) && !(token is YamlDotNet.Core.Tokens.StreamEnd) && !(token is YamlDotNet.Core.Tokens.DocumentEnd)) || token is BlockMappingStart)
			{
				TagDirectiveCollection tags = new TagDirectiveCollection();
				ProcessDirectives(tags);
				states.Push(ParserState.DocumentEnd);
				state = ParserState.BlockNode;
				return new YamlDotNet.Core.Events.DocumentStart(null, tags, isImplicit: true, token.Start, token.End);
			}
			if (!(token is YamlDotNet.Core.Tokens.StreamEnd) && !(token is YamlDotNet.Core.Tokens.DocumentEnd))
			{
				Mark start = token.Start;
				TagDirectiveCollection tags2 = new TagDirectiveCollection();
				VersionDirective versionDirective = ProcessDirectives(tags2);
				token = GetCurrentToken() ?? throw new SemanticErrorException("Reached the end of the stream while parsing a document start");
				if (!(token is YamlDotNet.Core.Tokens.DocumentStart))
				{
					throw new SemanticErrorException(token.Start, token.End, "Did not find expected <document start>.");
				}
				states.Push(ParserState.DocumentEnd);
				state = ParserState.DocumentContent;
				Mark end = token.End;
				Skip();
				return new YamlDotNet.Core.Events.DocumentStart(versionDirective, tags2, isImplicit: false, start, end);
			}
			if (token is YamlDotNet.Core.Tokens.DocumentEnd)
			{
				Skip();
			}
			state = ParserState.StreamEnd;
			token = GetCurrentToken() ?? throw new SemanticErrorException("Reached the end of the stream while parsing a document start");
			YamlDotNet.Core.Events.StreamEnd result = new YamlDotNet.Core.Events.StreamEnd(token.Start, token.End);
			if (scanner.MoveNextWithoutConsuming())
			{
				throw new InvalidOperationException("The scanner should contain no more tokens.");
			}
			return result;
		}

		private VersionDirective? ProcessDirectives(TagDirectiveCollection tags)
		{
			bool flag = false;
			VersionDirective result = null;
			while (true)
			{
				if (GetCurrentToken() is VersionDirective versionDirective)
				{
					if (version != null)
					{
						throw new SemanticErrorException(versionDirective.Start, versionDirective.End, "Found duplicate %YAML directive.");
					}
					if (versionDirective.Version.Major != 1 || versionDirective.Version.Minor > 3)
					{
						throw new SemanticErrorException(versionDirective.Start, versionDirective.End, "Found incompatible YAML document.");
					}
					result = (version = versionDirective);
					flag = true;
				}
				else
				{
					if (!(GetCurrentToken() is TagDirective tagDirective))
					{
						break;
					}
					if (tags.Contains(tagDirective.Handle))
					{
						throw new SemanticErrorException(tagDirective.Start, tagDirective.End, "Found duplicate %TAG directive.");
					}
					tags.Add(tagDirective);
					flag = true;
				}
				Skip();
			}
			if (GetCurrentToken() is YamlDotNet.Core.Tokens.DocumentStart && (version == null || (version.Version.Major == 1 && version.Version.Minor > 1)))
			{
				if (GetCurrentToken() is YamlDotNet.Core.Tokens.DocumentStart && version == null)
				{
					version = new VersionDirective(new Version(1, 2));
				}
				flag = true;
			}
			AddTagDirectives(tags, Constants.DefaultTagDirectives);
			if (flag)
			{
				tagDirectives.Clear();
			}
			AddTagDirectives(tagDirectives, tags);
			return result;
		}

		private static void AddTagDirectives(TagDirectiveCollection directives, IEnumerable<TagDirective> source)
		{
			foreach (TagDirective item in source)
			{
				if (!directives.Contains(item))
				{
					directives.Add(item);
				}
			}
		}

		private ParsingEvent ParseDocumentContent()
		{
			if (GetCurrentToken() is VersionDirective || GetCurrentToken() is TagDirective || GetCurrentToken() is YamlDotNet.Core.Tokens.DocumentStart || GetCurrentToken() is YamlDotNet.Core.Tokens.DocumentEnd || GetCurrentToken() is YamlDotNet.Core.Tokens.StreamEnd)
			{
				state = states.Pop();
				return ProcessEmptyScalar(scanner.CurrentPosition);
			}
			return ParseNode(isBlock: true, isIndentlessSequence: false);
		}

		private static YamlDotNet.Core.Events.Scalar ProcessEmptyScalar(in Mark position)
		{
			return new YamlDotNet.Core.Events.Scalar(AnchorName.Empty, TagName.Empty, string.Empty, ScalarStyle.Plain, isPlainImplicit: true, isQuotedImplicit: false, position, position);
		}

		private ParsingEvent ParseNode(bool isBlock, bool isIndentlessSequence)
		{
			if (GetCurrentToken() is Error { Start: var start } error)
			{
				throw new SemanticErrorException(in start, error.End, error.Value);
			}
			Token token = GetCurrentToken() ?? throw new SemanticErrorException("Reached the end of the stream while parsing a node");
			if (token is YamlDotNet.Core.Tokens.AnchorAlias anchorAlias)
			{
				state = states.Pop();
				ParsingEvent result = new YamlDotNet.Core.Events.AnchorAlias(anchorAlias.Value, anchorAlias.Start, anchorAlias.End);
				Skip();
				return result;
			}
			Mark start2 = token.Start;
			AnchorName anchor = AnchorName.Empty;
			TagName tag = TagName.Empty;
			Anchor anchor2 = null;
			Tag tag2 = null;
			while (true)
			{
				if (anchor.IsEmpty && token is Anchor anchor3)
				{
					anchor2 = anchor3;
					anchor = anchor3.Value;
					Skip();
				}
				else
				{
					if (!tag.IsEmpty || !(token is Tag tag3))
					{
						if (token is Anchor { Start: var start3 } anchor4)
						{
							throw new SemanticErrorException(in start3, anchor4.End, "While parsing a node, found more than one anchor.");
						}
						if (token is YamlDotNet.Core.Tokens.AnchorAlias { Start: var start4 } anchorAlias2)
						{
							throw new SemanticErrorException(in start4, anchorAlias2.End, "While parsing a node, did not find expected token.");
						}
						if (!(token is Error error2))
						{
							break;
						}
						if (tag2 != null && anchor2 != null && !anchor.IsEmpty)
						{
							return new YamlDotNet.Core.Events.Scalar(anchor, default(TagName), string.Empty, ScalarStyle.Any, isPlainImplicit: false, isQuotedImplicit: false, anchor2.Start, anchor2.End);
						}
						throw new SemanticErrorException(error2.Start, error2.End, error2.Value);
					}
					tag2 = tag3;
					if (string.IsNullOrEmpty(tag3.Handle))
					{
						tag = new TagName(tag3.Suffix);
					}
					else
					{
						if (!tagDirectives.Contains(tag3.Handle))
						{
							throw new SemanticErrorException(tag3.Start, tag3.End, "While parsing a node, found undefined tag handle.");
						}
						tag = new TagName(tagDirectives[tag3.Handle].Prefix + tag3.Suffix);
					}
					Skip();
				}
				token = GetCurrentToken() ?? throw new SemanticErrorException("Reached the end of the stream while parsing a node");
			}
			bool isEmpty = tag.IsEmpty;
			if (isIndentlessSequence && GetCurrentToken() is BlockEntry)
			{
				state = ParserState.IndentlessSequenceEntry;
				return new SequenceStart(anchor, tag, isEmpty, SequenceStyle.Block, start2, token.End);
			}
			if (token is YamlDotNet.Core.Tokens.Scalar scalar)
			{
				bool isPlainImplicit = false;
				bool isQuotedImplicit = false;
				if ((scalar.Style == ScalarStyle.Plain && tag.IsEmpty) || tag.IsNonSpecific)
				{
					isPlainImplicit = true;
				}
				else if (tag.IsEmpty)
				{
					isQuotedImplicit = true;
				}
				state = states.Pop();
				Skip();
				ParsingEvent result2 = new YamlDotNet.Core.Events.Scalar(anchor, tag, scalar.Value, scalar.Style, isPlainImplicit, isQuotedImplicit, start2, scalar.End, scalar.IsKey);
				if (!anchor.IsEmpty && scanner.MoveNextWithoutConsuming())
				{
					currentToken = scanner.Current;
					if (currentToken is Error)
					{
						Error error3 = currentToken as Error;
						throw new SemanticErrorException(error3.Start, error3.End, error3.Value);
					}
				}
				if (state == ParserState.FlowMappingKey && !(scanner.Current is FlowMappingEnd) && scanner.MoveNextWithoutConsuming())
				{
					currentToken = scanner.Current;
					if (currentToken != null && !(currentToken is FlowEntry) && !(currentToken is FlowMappingEnd))
					{
						throw new SemanticErrorException(currentToken.Start, currentToken.End, "While parsing a flow mapping, did not find expected ',' or '}'.");
					}
				}
				return result2;
			}
			if (token is FlowSequenceStart flowSequenceStart)
			{
				state = ParserState.FlowSequenceFirstEntry;
				return new SequenceStart(anchor, tag, isEmpty, SequenceStyle.Flow, start2, flowSequenceStart.End);
			}
			if (token is FlowMappingStart flowMappingStart)
			{
				state = ParserState.FlowMappingFirstKey;
				return new MappingStart(anchor, tag, isEmpty, MappingStyle.Flow, start2, flowMappingStart.End);
			}
			if (isBlock)
			{
				if (token is BlockSequenceStart blockSequenceStart)
				{
					state = ParserState.BlockSequenceFirstEntry;
					return new SequenceStart(anchor, tag, isEmpty, SequenceStyle.Block, start2, blockSequenceStart.End);
				}
				if (token is BlockMappingStart blockMappingStart)
				{
					state = ParserState.BlockMappingFirstKey;
					return new MappingStart(anchor, tag, isEmpty, MappingStyle.Block, start2, blockMappingStart.End);
				}
			}
			if (!anchor.IsEmpty || !tag.IsEmpty)
			{
				state = states.Pop();
				return new YamlDotNet.Core.Events.Scalar(anchor, tag, string.Empty, ScalarStyle.Plain, isEmpty, isQuotedImplicit: false, start2, token.End);
			}
			throw new SemanticErrorException(token.Start, token.End, "While parsing a node, did not find expected node content.");
		}

		private YamlDotNet.Core.Events.DocumentEnd ParseDocumentEnd()
		{
			Token token = GetCurrentToken() ?? throw new SemanticErrorException("Reached the end of the stream while parsing a document end");
			bool isImplicit = true;
			Mark start = token.Start;
			Mark end = start;
			if (token is YamlDotNet.Core.Tokens.DocumentEnd)
			{
				end = token.End;
				Skip();
				isImplicit = false;
			}
			else if (!(currentToken is YamlDotNet.Core.Tokens.StreamEnd) && !(currentToken is YamlDotNet.Core.Tokens.DocumentStart) && !(currentToken is FlowSequenceEnd) && !(currentToken is VersionDirective) && (!(Current is YamlDotNet.Core.Events.Scalar) || !(currentToken is Error)))
			{
				throw new SemanticErrorException(in start, in end, "Did not find expected <document end>.");
			}
			if (version != null && version.Version.Major == 1 && version.Version.Minor > 1)
			{
				version = null;
			}
			state = ParserState.DocumentStart;
			return new YamlDotNet.Core.Events.DocumentEnd(isImplicit, start, end);
		}

		private ParsingEvent ParseBlockSequenceEntry(bool isFirst)
		{
			if (isFirst)
			{
				GetCurrentToken();
				Skip();
			}
			Token token = GetCurrentToken();
			if (token is BlockEntry { End: var position })
			{
				Skip();
				token = GetCurrentToken();
				if (!(token is BlockEntry) && !(token is BlockEnd))
				{
					states.Push(ParserState.BlockSequenceEntry);
					return ParseNode(isBlock: true, isIndentlessSequence: false);
				}
				state = ParserState.BlockSequenceEntry;
				return ProcessEmptyScalar(in position);
			}
			if (token is BlockEnd blockEnd)
			{
				state = states.Pop();
				ParsingEvent result = new SequenceEnd(blockEnd.Start, blockEnd.End);
				Skip();
				return result;
			}
			throw new SemanticErrorException(token?.Start ?? Mark.Empty, token?.End ?? Mark.Empty, "While parsing a block collection, did not find expected '-' indicator.");
		}

		private ParsingEvent ParseIndentlessSequenceEntry()
		{
			Token token = GetCurrentToken();
			if (token is BlockEntry { End: var position })
			{
				Skip();
				token = GetCurrentToken();
				if (!(token is BlockEntry) && !(token is Key) && !(token is Value) && !(token is BlockEnd))
				{
					states.Push(ParserState.IndentlessSequenceEntry);
					return ParseNode(isBlock: true, isIndentlessSequence: false);
				}
				state = ParserState.IndentlessSequenceEntry;
				return ProcessEmptyScalar(in position);
			}
			state = states.Pop();
			return new SequenceEnd(token?.Start ?? Mark.Empty, token?.End ?? Mark.Empty);
		}

		private ParsingEvent ParseBlockMappingKey(bool isFirst)
		{
			if (isFirst)
			{
				GetCurrentToken();
				Skip();
			}
			Token token = GetCurrentToken();
			if (token is Key { End: var position })
			{
				Skip();
				token = GetCurrentToken();
				if (!(token is Key) && !(token is Value) && !(token is BlockEnd))
				{
					states.Push(ParserState.BlockMappingValue);
					return ParseNode(isBlock: true, isIndentlessSequence: true);
				}
				state = ParserState.BlockMappingValue;
				return ProcessEmptyScalar(in position);
			}
			if (token is Value value)
			{
				Skip();
				return ProcessEmptyScalar(value.End);
			}
			if (token is YamlDotNet.Core.Tokens.AnchorAlias anchorAlias)
			{
				Skip();
				return new YamlDotNet.Core.Events.AnchorAlias(anchorAlias.Value, anchorAlias.Start, anchorAlias.End);
			}
			if (token is BlockEnd blockEnd)
			{
				state = states.Pop();
				ParsingEvent result = new MappingEnd(blockEnd.Start, blockEnd.End);
				Skip();
				return result;
			}
			if (GetCurrentToken() is Error { Start: var start } error)
			{
				throw new SyntaxErrorException(in start, error.End, error.Value);
			}
			throw new SemanticErrorException(token?.Start ?? Mark.Empty, token?.End ?? Mark.Empty, "While parsing a block mapping, did not find expected key.");
		}

		private ParsingEvent ParseBlockMappingValue()
		{
			Token token = GetCurrentToken();
			if (token is Value { End: var position })
			{
				Skip();
				token = GetCurrentToken();
				if (!(token is Key) && !(token is Value) && !(token is BlockEnd))
				{
					states.Push(ParserState.BlockMappingKey);
					return ParseNode(isBlock: true, isIndentlessSequence: true);
				}
				state = ParserState.BlockMappingKey;
				return ProcessEmptyScalar(in position);
			}
			if (token is Error { Start: var start } error)
			{
				throw new SemanticErrorException(in start, error.End, error.Value);
			}
			state = ParserState.BlockMappingKey;
			return ProcessEmptyScalar(token?.Start ?? Mark.Empty);
		}

		private ParsingEvent ParseFlowSequenceEntry(bool isFirst)
		{
			if (isFirst)
			{
				GetCurrentToken();
				Skip();
			}
			Token token = GetCurrentToken();
			ParsingEvent result;
			if (!(token is FlowSequenceEnd))
			{
				if (!isFirst)
				{
					if (!(token is FlowEntry))
					{
						throw new SemanticErrorException(token?.Start ?? Mark.Empty, token?.End ?? Mark.Empty, "While parsing a flow sequence, did not find expected ',' or ']'.");
					}
					Skip();
					token = GetCurrentToken();
				}
				if (token is Key)
				{
					state = ParserState.FlowSequenceEntryMappingKey;
					result = new MappingStart(AnchorName.Empty, TagName.Empty, isImplicit: true, MappingStyle.Flow);
					Skip();
					return result;
				}
				if (!(token is FlowSequenceEnd))
				{
					states.Push(ParserState.FlowSequenceEntry);
					return ParseNode(isBlock: false, isIndentlessSequence: false);
				}
			}
			state = states.Pop();
			result = new SequenceEnd(token?.Start ?? Mark.Empty, token?.End ?? Mark.Empty);
			Skip();
			return result;
		}

		private ParsingEvent ParseFlowSequenceEntryMappingKey()
		{
			Token token = GetCurrentToken();
			if (!(token is Value) && !(token is FlowEntry) && !(token is FlowSequenceEnd))
			{
				states.Push(ParserState.FlowSequenceEntryMappingValue);
				return ParseNode(isBlock: false, isIndentlessSequence: false);
			}
			Mark position = token?.End ?? Mark.Empty;
			Skip();
			state = ParserState.FlowSequenceEntryMappingValue;
			return ProcessEmptyScalar(in position);
		}

		private ParsingEvent ParseFlowSequenceEntryMappingValue()
		{
			Token token = GetCurrentToken();
			if (token is Value)
			{
				Skip();
				token = GetCurrentToken();
				if (!(token is FlowEntry) && !(token is FlowSequenceEnd))
				{
					states.Push(ParserState.FlowSequenceEntryMappingEnd);
					return ParseNode(isBlock: false, isIndentlessSequence: false);
				}
			}
			state = ParserState.FlowSequenceEntryMappingEnd;
			return ProcessEmptyScalar(token?.Start ?? Mark.Empty);
		}

		private MappingEnd ParseFlowSequenceEntryMappingEnd()
		{
			state = ParserState.FlowSequenceEntry;
			Token token = GetCurrentToken();
			return new MappingEnd(token?.Start ?? Mark.Empty, token?.End ?? Mark.Empty);
		}

		private ParsingEvent ParseFlowMappingKey(bool isFirst)
		{
			if (isFirst)
			{
				GetCurrentToken();
				Skip();
			}
			Token token = GetCurrentToken();
			if (!(token is FlowMappingEnd))
			{
				if (!isFirst)
				{
					if (token is FlowEntry)
					{
						Skip();
						token = GetCurrentToken();
					}
					else if (!(token is YamlDotNet.Core.Tokens.Scalar))
					{
						throw new SemanticErrorException(token?.Start ?? Mark.Empty, token?.End ?? Mark.Empty, "While parsing a flow mapping,  did not find expected ',' or '}'.");
					}
				}
				if (token is Key)
				{
					Skip();
					token = GetCurrentToken();
					if (!(token is Value) && !(token is FlowEntry) && !(token is FlowMappingEnd))
					{
						states.Push(ParserState.FlowMappingValue);
						return ParseNode(isBlock: false, isIndentlessSequence: false);
					}
					state = ParserState.FlowMappingValue;
					return ProcessEmptyScalar(token?.Start ?? Mark.Empty);
				}
				if (token is YamlDotNet.Core.Tokens.Scalar)
				{
					states.Push(ParserState.FlowMappingValue);
					return ParseNode(isBlock: false, isIndentlessSequence: false);
				}
				if (!(token is FlowMappingEnd))
				{
					states.Push(ParserState.FlowMappingEmptyValue);
					return ParseNode(isBlock: false, isIndentlessSequence: false);
				}
			}
			state = states.Pop();
			Skip();
			return new MappingEnd(token?.Start ?? Mark.Empty, token?.End ?? Mark.Empty);
		}

		private ParsingEvent ParseFlowMappingValue(bool isEmpty)
		{
			Token token = GetCurrentToken();
			if (!isEmpty && token is Value)
			{
				Skip();
				token = GetCurrentToken();
				if (!(token is FlowEntry) && !(token is FlowMappingEnd))
				{
					states.Push(ParserState.FlowMappingKey);
					return ParseNode(isBlock: false, isIndentlessSequence: false);
				}
			}
			state = ParserState.FlowMappingKey;
			if (!isEmpty && token is YamlDotNet.Core.Tokens.Scalar scalar)
			{
				Skip();
				return new YamlDotNet.Core.Events.Scalar(AnchorName.Empty, TagName.Empty, scalar.Value, scalar.Style, isPlainImplicit: false, isQuotedImplicit: false, token.Start, scalar.End);
			}
			return ProcessEmptyScalar(token?.Start ?? Mark.Empty);
		}
	}
	internal static class ParserExtensions
	{
		public static T Consume<T>(this IParser parser) where T : ParsingEvent
		{
			T result = parser.Require<T>();
			parser.MoveNext();
			return result;
		}

		public static bool TryConsume<T>(this IParser parser, [MaybeNullWhen(false)] out T @event) where T : ParsingEvent
		{
			if (parser.Accept<T>(out @event))
			{
				parser.MoveNext();
				return true;
			}
			return false;
		}

		public static T Require<T>(this IParser parser) where T : ParsingEvent
		{
			if (!parser.Accept<T>(out var @event))
			{
				ParsingEvent current = parser.Current;
				if (current == null)
				{
					throw new YamlException("Expected '" + typeof(T).Name + "', got nothing.");
				}
				throw new YamlException(current.Start, current.End, $"Expected '{typeof(T).Name}', got '{current.GetType().Name}' (at {current.Start}).");
			}
			return @event;
		}

		public static bool Accept<T>(this IParser parser, [MaybeNullWhen(false)] out T @event) where T : ParsingEvent
		{
			if (parser.Current == null && !parser.MoveNext())
			{
				throw new EndOfStreamException();
			}
			if (parser.Current is T val)
			{
				@event = val;
				return true;
			}
			@event = null;
			return false;
		}

		public static void SkipThisAndNestedEvents(this IParser parser)
		{
			int num = 0;
			do
			{
				ParsingEvent parsingEvent = parser.Consume<ParsingEvent>();
				num += parsingEvent.NestingIncrease;
			}
			while (num > 0);
		}

		[Obsolete("Please use Consume<T>() instead")]
		public static T Expect<T>(this IParser parser) where T : ParsingEvent
		{
			return parser.Consume<T>();
		}

		[Obsolete("Please use TryConsume<T>(out var evt) instead")]
		[return: MaybeNull]
		public static T? Allow<T>(this IParser parser) where T : ParsingEvent
		{
			if (!parser.TryConsume<T>(out var @event))
			{
				return null;
			}
			return @event;
		}

		[Obsolete("Please use Accept<T>(out var evt) instead")]
		[return: MaybeNull]
		public static T? Peek<T>(this IParser parser) where T : ParsingEvent
		{
			if (!parser.Accept<T>(out var @event))
			{
				return null;
			}
			return @event;
		}

		[Obsolete("Please use TryConsume<T>(out var evt) or Accept<T>(out var evt) instead")]
		public static bool Accept<T>(this IParser parser) where T : ParsingEvent
		{
			T @event;
			return parser.Accept<T>(out @event);
		}

		public static bool TryFindMappingEntry(this IParser parser, Func<YamlDotNet.Core.Events.Scalar, bool> selector, [MaybeNullWhen(false)] out YamlDotNet.Core.Events.Scalar? key, [MaybeNullWhen(false)] out ParsingEvent? value)
		{
			if (parser.TryConsume<MappingStart>(out var _))
			{
				while (parser.Current != null)
				{
					ParsingEvent current = parser.Current;
					if (!(current is YamlDotNet.Core.Events.Scalar scalar))
					{
						if (current is MappingStart || current is SequenceStart)
						{
							parser.SkipThisAndNestedEvents();
						}
						else
						{
							parser.MoveNext();
						}
						continue;
					}
					bool flag = selector(scalar);
					parser.MoveNext();
					if (flag)
					{
						value = parser.Current;
						key = scalar;
						return true;
					}
					parser.SkipThisAndNestedEvents();
				}
			}
			key = null;
			value = null;
			return false;
		}
	}
	internal enum ParserState
	{
		StreamStart,
		StreamEnd,
		ImplicitDocumentStart,
		DocumentStart,
		DocumentContent,
		DocumentEnd,
		BlockNode,
		BlockNodeOrIndentlessSequence,
		FlowNode,
		BlockSequenceFirstEntry,
		BlockSequenceEntry,
		IndentlessSequenceEntry,
		BlockMappingFirstKey,
		BlockMappingKey,
		BlockMappingValue,
		FlowSequenceFirstEntry,
		FlowSequenceEntry,
		FlowSequenceEntryMappingKey,
		FlowSequenceEntryMappingValue,
		FlowSequenceEntryMappingEnd,
		FlowMappingFirstKey,
		FlowMappingKey,
		FlowMappingValue,
		FlowMappingEmptyValue
	}
	internal sealed class RecursionLevel
	{
		private int current;

		public int Maximum { get; }

		public RecursionLevel(int maximum)
		{
			Maximum = maximum;
		}

		public void Increment()
		{
			if (!TryIncrement())
			{
				throw new MaximumRecursionLevelReachedException("Maximum level of recursion reached");
			}
		}

		public bool TryIncrement()
		{
			if (current < Maximum)
			{
				current++;
				return true;
			}
			return false;
		}

		public void Decrement()
		{
			if (current == 0)
			{
				throw new InvalidOperationException("Attempted to decrement RecursionLevel to a negative value");
			}
			current--;
		}
	}
	internal enum ScalarStyle
	{
		Any,
		Plain,
		SingleQuoted,
		DoubleQuoted,
		Literal,
		Folded,
		ForcePlain
	}
	internal class Scanner : IScanner
	{
		private const int MaxVersionNumberLength = 9;

		private static readonly SortedDictionary<char, char> SimpleEscapeCodes = new SortedDictionary<char, char>
		{
			{ '0', '\0' },
			{ 'a', '\a' },
			{ 'b', '\b' },
			{ 't', '\t' },
			{ '\t', '\t' },
			{ 'n', '\n' },
			{ 'v', '\v' },
			{ 'f', '\f' },
			{ 'r', '\r' },
			{ 'e', '\u001b' },
			{ ' ', ' ' },
			{ '"', '"' },
			{ '\\', '\\' },
			{ '/', '/' },
			{ 'N', '\u0085' },
			{ '_', '\u00a0' },
			{ 'L', '\u2028' },
			{ 'P', '\u2029' }
		};

		private readonly Stack<long> indents = new Stack<long>();

		private readonly InsertionQueue<Token> tokens = new InsertionQueue<Token>();

		private readonly Stack<SimpleKey> simpleKeys = new Stack<SimpleKey>();

		private readonly CharacterAnalyzer<LookAheadBuffer> analyzer;

		private readonly Cursor cursor;

		private bool streamStartProduced;

		private bool streamEndProduced;

		private bool plainScalarFollowedByComment;

		private bool flowCollectionFetched;

		private bool startFlowCollectionFetched;

		private long indent = -1L;

		private bool flowScalarFetched;

		private bool simpleKeyAllowed;

		private int flowLevel;

		private int tokensParsed;

		private bool tokenAvailable;

		private Token? previous;

		private Anchor? previousAnchor;

		private YamlDotNet.Core.Tokens.Scalar? lastScalar;

		private readonly int maxKeySize;

		private static readonly byte[] EmptyBytes = Array.Empty<byte>();

		public bool SkipComments { get; private set; }

		public Token? Current { get; private set; }

		public Mark CurrentPosition => cursor.Mark();

		private bool IsDocumentStart()
		{
			if (!analyzer.EndOfInput && cursor.LineOffset == 0L && analyzer.Check('-') && analyzer.Check('-', 1) && analyzer.Check('-', 2))
			{
				return analyzer.IsWhiteBreakOrZero(3);
			}
			return false;
		}

		private bool IsDocumentEnd()
		{
			if (!analyzer.EndOfInput && cursor.LineOffset == 0L && analyzer.Check('.') && analyzer.Check('.', 1) && analyzer.Check('.', 2))
			{
				return analyzer.IsWhiteBreakOrZero(3);
			}
			return false;
		}

		private bool IsDocumentIndicator()
		{
			if (!IsDocumentStart())
			{
				return IsDocumentEnd();
			}
			return true;
		}

		public Scanner(TextReader input, bool skipComments = true)
			: this(input, skipComments, 1024)
		{
		}

		public Scanner(TextReader input, bool skipComments, int maxKeySize)
		{
			analyzer = new CharacterAnalyzer<LookAheadBuffer>(new LookAheadBuffer(input, 1024));
			cursor = new Cursor();
			SkipComments = skipComments;
			this.maxKeySize = maxKeySize;
		}

		public bool MoveNext()
		{
			if (Current != null)
			{
				ConsumeCurrent();
			}
			return MoveNextWithoutConsuming();
		}

		public bool MoveNextWithoutConsuming()
		{
			if (!tokenAvailable && !streamEndProduced)
			{
				FetchMoreTokens();
			}
			if (tokens.Count > 0)
			{
				Current = tokens.Dequeue();
				tokenAvailable = false;
				return true;
			}
			Current = null;
			return false;
		}

		public void ConsumeCurrent()
		{
			tokensParsed++;
			tokenAvailable = false;
			previous = Current;
			Current = null;
		}

		private char ReadCurrentCharacter()
		{
			char result = analyzer.Peek(0);
			Skip();
			return result;
		}

		private char ReadLine()
		{
			if (analyzer.Check("\r\n\u0085"))
			{
				SkipLine();
				return '\n';
			}
			char result = analyzer.Peek(0);
			SkipLine();
			return result;
		}

		private void FetchMoreTokens()
		{
			while (true)
			{
				bool flag = false;
				if (tokens.Count == 0)
				{
					flag = true;
				}
				else
				{
					foreach (SimpleKey simpleKey in simpleKeys)
					{
						if (simpleKey.IsPossible && simpleKey.TokenNumber == tokensParsed)
						{
							flag = true;
							break;
						}
					}
				}
				if (!flag)
				{
					break;
				}
				FetchNextToken();
			}
			tokenAvailable = true;
		}

		private static bool StartsWith(StringBuilder what, char start)
		{
			if (what.Length > 0)
			{
				return what[0] == start;
			}
			return false;
		}

		private void StaleSimpleKeys()
		{
			foreach (SimpleKey simpleKey in simpleKeys)
			{
				if (simpleKey.IsPossible && (simpleKey.Line < cursor.Line || simpleKey.Index + maxKeySize < cursor.Index))
				{
					if (simpleKey.IsRequired)
					{
						Mark mark = cursor.Mark();
						tokens.Enqueue(new Error("While scanning a simple key, could not find expected ':'.", mark, mark));
					}
					simpleKey.MarkAsImpossible();
				}
			}
		}

		private void FetchNextToken()
		{
			if (!streamStartProduced)
			{
				FetchStreamStart();
				return;
			}
			ScanToNextToken();
			StaleSimpleKeys();
			UnrollIndent(cursor.LineOffset);
			analyzer.Buffer.Cache(4);
			if (analyzer.Buffer.EndOfInput)
			{
				lastScalar = null;
				FetchStreamEnd();
			}
			if (cursor.LineOffset == 0L && analyzer.Check('%'))
			{
				lastScalar = null;
				FetchDirective();
				return;
			}
			if (IsDocumentStart())
			{
				lastScalar = null;
				FetchDocumentIndicator(isStartToken: true);
				return;
			}
			if (IsDocumentEnd())
			{
				lastScalar = null;
				FetchDocumentIndicator(isStartToken: false);
				return;
			}
			if (analyzer.Check('['))
			{
				lastScalar = null;
				FetchFlowCollectionStart(isSequenceToken: true);
				return;
			}
			if (analyzer.Check('{'))
			{
				lastScalar = null;
				FetchFlowCollectionStart(isSequenceToken: false);
				return;
			}
			if (analyzer.Check(']'))
			{
				lastScalar = null;
				FetchFlowCollectionEnd(isSequenceToken: true);
				return;
			}
			if (analyzer.Check('}'))
			{
				lastScalar = null;
				FetchFlowCollectionEnd(isSequenceToken: false);
				return;
			}
			if (analyzer.Check(','))
			{
				lastScalar = null;
				FetchFlowEntry();
				return;
			}
			if (analyzer.Check('-'))
			{
				if (analyzer.IsWhiteBreakOrZero(1))
				{
					FetchBlockEntry();
					return;
				}
				if (flowLevel > 0 && analyzer.Check(",[]{}", 1))
				{
					tokens.Enqueue(new Error("Invalid key indicator format.", cursor.Mark(), cursor.Mark()));
				}
			}
			if (analyzer.Check('?') && (flowLevel > 0 || analyzer.IsWhiteBreakOrZero(1)) && analyzer.IsWhiteBreakOrZero(1))
			{
				FetchKey();
			}
			else if (analyzer.Check(':') && (flowLevel > 0 || analyzer.IsWhiteBreakOrZero(1)) && (!simpleKeyAllowed || flowLevel <= 0) && (!flowScalarFetched || !analyzer.Check(':', 1)) && (analyzer.IsWhiteBreakOrZero(1) || analyzer.Check(',', 1) || flowScalarFetched || flowCollectionFetched || startFlowCollectionFetched))
			{
				if (lastScalar != null)
				{
					lastScalar.IsKey = true;
					lastScalar = null;
				}
				FetchValue();
			}
			else if (analyzer.Check('*'))
			{
				FetchAnchor(isAlias: true);
			}
			else if (analyzer.Check('&'))
			{
				FetchAnchor(isAlias: false);
			}
			else if (analyzer.Check('!'))
			{
				FetchTag();
			}
			else if (analyzer.Check('|') && flowLevel == 0)
			{
				FetchBlockScalar(isLiteral: true);
			}
			else if (analyzer.Check('>') && flowLevel == 0)
			{
				FetchBlockScalar(isLiteral: false);
			}
			else if (analyzer.Check('\''))
			{
				FetchQuotedScalar(isSingleQuoted: true);
			}
			else if (analyzer.Check('"'))
			{
				FetchQuotedScalar(isSingleQuoted: false);
			}
			else if ((!analyzer.IsWhiteBreakOrZero() && !analyzer.Check("-?:,[]{}#&*!|>'\"%@`")) || (analyzer.Check('-') && !analyzer.IsWhite(1)) || (analyzer.Check("?:") && !analyzer.IsWhiteBreakOrZero(1)) || (simpleKeyAllowed && flowLevel > 0))
			{
				if (plainScalarFollowedByComment)
				{
					Mark mark = cursor.Mark();
					tokens.Enqueue(new Error("While scanning plain scalar, found a comment between adjacent scalars.", mark, mark));
				}
				if ((flowScalarFetched || (flowCollectionFetched && !startFlowCollectionFetched)) && analyzer.Check(':'))
				{
					Skip();
				}
				flowScalarFetched = false;
				flowCollectionFetched = false;
				startFlowCollectionFetched = false;
				plainScalarFollowedByComment = false;
				FetchPlainScalar();
			}
			else
			{
				if (simpleKeyAllowed && indent >= cursor.LineOffset && analyzer.IsTab())
				{
					throw new SyntaxErrorException("While scanning a mapping, found invalid tab as indentation.");
				}
				if (!analyzer.IsWhiteBreakOrZero())
				{
					Mark start = cursor.Mark();
					Skip();
					throw new SyntaxErrorException(in start, cursor.Mark(), "While scanning for the next token, found character that cannot start any token.");
				}
				Skip();
			}
		}

		private bool CheckWhiteSpace()
		{
			if (!analyzer.Check(' '))
			{
				if (flowLevel > 0 || !simpleKeyAllowed)
				{
					return analyzer.Check('\t');
				}
				return false;
			}
			return true;
		}

		private void Skip()
		{
			cursor.Skip();
			analyzer.Buffer.Skip(1);
		}

		private void SkipLine()
		{
			if (analyzer.IsCrLf())
			{
				cursor.SkipLineByOffset(2);
				analyzer.Buffer.Skip(2);
			}
			else if (analyzer.IsBreak())
			{
				cursor.SkipLineByOffset(1);
				analyzer.Buffer.Skip(1);
			}
			else if (!analyzer.IsZero())
			{
				throw new InvalidOperationException("Not at a break.");
			}
		}

		private void ScanToNextToken()
		{
			while (true)
			{
				if (CheckWhiteSpace())
				{
					Skip();
					continue;
				}
				ProcessComment();
				if (analyzer.IsBreak())
				{
					SkipLine();
					if (flowLevel == 0)
					{
						simpleKeyAllowed = true;
					}
					continue;
				}
				break;
			}
		}

		private void ProcessComment()
		{
			if (!analyzer.Check('#'))
			{
				return;
			}
			Mark start = cursor.Mark();
			Skip();
			while (analyzer.IsSpace())
			{
				Skip();
			}
			StringBuilderPool.BuilderWrapper builderWrapper = StringBuilderPool.Rent();
			try
			{
				StringBuilder builder = builderWrapper.Builder;
				while (!analyzer.IsBreakOrZero())
				{
					builder.Append(ReadCurrentCharacter());
				}
				if (!SkipComments)
				{
					bool isInline = previous != null && previous.End.Line == start.Line && previous.End.Column != 1 && !(previous is YamlDotNet.Core.Tokens.StreamStart);
					tokens.Enqueue(new YamlDotNet.Core.Tokens.Comment(builder.ToString(), isInline, start, cursor.Mark()));
				}
			}
			finally
			{
				((IDisposable)builderWrapper/*cast due to .constrained prefix*/).Dispose();
			}
		}

		private void FetchStreamStart()
		{
			simpleKeys.Push(new SimpleKey());
			simpleKeyAllowed = true;
			streamStartProduced = true;
			Mark start = cursor.Mark();
			tokens.Enqueue(new YamlDotNet.Core.Tokens.StreamStart(in start, in start));
		}

		private void UnrollIndent(long column)
		{
			if (flowLevel == 0)
			{
				while (indent > column)
				{
					Mark start = cursor.Mark();
					tokens.Enqueue(new BlockEnd(in start, in start));
					indent = indents.Pop();
				}
			}
		}

		private void FetchStreamEnd()
		{
			cursor.ForceSkipLineAfterNonBreak();
			UnrollIndent(-1L);
			RemoveSimpleKey();
			simpleKeyAllowed = false;
			streamEndProduced = true;
			Mark start = cursor.Mark();
			tokens.Enqueue(new YamlDotNet.Core.Tokens.StreamEnd(in start, in start));
		}

		private void FetchDirective()
		{
			UnrollIndent(-1L);
			RemoveSimpleKey();
			simpleKeyAllowed = false;
			Token token = ScanDirective();
			if (token != null)
			{
				tokens.Enqueue(token);
			}
		}

		private Token? ScanDirective()
		{
			Mark start = cursor.Mark();
			Skip();
			string text = ScanDirectiveName(in start);
			Token result;
			if (!(text == "YAML"))
			{
				if (!(text == "TAG"))
				{
					while (!analyzer.EndOfInput && !analyzer.Check('#') && !analyzer.IsBreak())
					{
						Skip();
					}
					return null;
				}
				result = ScanTagDirectiveValue(in start);
			}
			else
			{
				if (!(previous is YamlDotNet.Core.Tokens.DocumentStart) && !(previous is YamlDotNet.Core.Tokens.StreamStart) && !(previous is YamlDotNet.Core.Tokens.DocumentEnd))
				{
					throw new SemanticErrorException(in start, cursor.Mark(), "While scanning a version directive, did not find preceding <document end>.");
				}
				result = ScanVersionDirectiveValue(in start);
			}
			while (analyzer.IsWhite())
			{
				Skip();
			}
			ProcessComment();
			if (!analyzer.IsBreakOrZero())
			{
				throw new SyntaxErrorException(in start, cursor.Mark(), "While scanning a directive, did not find expected comment or line break.");
			}
			if (analyzer.IsBreak())
			{
				SkipLine();
			}
			return result;
		}

		private void FetchDocumentIndicator(bool isStartToken)
		{
			UnrollIndent(-1L);
			RemoveSimpleKey();
			simpleKeyAllowed = false;
			Mark start = cursor.Mark();
			Skip();
			Skip();
			Skip();
			if (isStartToken)
			{
				tokens.Enqueue(new YamlDotNet.Core.Tokens.DocumentStart(in start, cursor.Mark()));
				return;
			}
			Token token = null;
			while (!analyzer.EndOfInput && !analyzer.IsBreak() && !analyzer.Check('#'))
			{
				if (!analyzer.IsWhite())
				{
					token = new Error("While scanning a document end, found invalid content after '...' marker.", start, cursor.Mark());
					break;
				}
				Skip();
			}
			tokens.Enqueue(new YamlDotNet.Core.Tokens.DocumentEnd(in start, in start));
			if (token != null)
			{
				tokens.Enqueue(token);
			}
		}

		private void FetchFlowCollectionStart(bool isSequenceToken)
		{
			SaveSimpleKey();
			IncreaseFlowLevel();
			simpleKeyAllowed = true;
			Mark start = cursor.Mark();
			Skip();
			Token item = ((!isSequenceToken) ? ((Token)new FlowMappingStart(in start, in start)) : ((Token)new FlowSequenceStart(in start, in start)));
			tokens.Enqueue(item);
			startFlowCollectionFetched = true;
		}

		private void IncreaseFlowLevel()
		{
			simpleKeys.Push(new SimpleKey());
			flowLevel++;
		}

		private void FetchFlowCollectionEnd(bool isSequenceToken)
		{
			RemoveSimpleKey();
			DecreaseFlowLevel();
			simpleKeyAllowed = false;
			Mark start = cursor.Mark();
			Skip();
			Token token = null;
			Token item;
			if (isSequenceToken)
			{
				if (analyzer.Check('#'))
				{
					token = new Error("While scanning a flow sequence end, found invalid comment after ']'.", start, start);
				}
				item = new FlowSequenceEnd(in start, in start);
			}
			else
			{
				item = new FlowMappingEnd(in start, in start);
			}
			tokens.Enqueue(item);
			if (token != null)
			{
				tokens.Enqueue(token);
			}
			flowCollectionFetched = true;
		}

		private void DecreaseFlowLevel()
		{
			if (flowLevel > 0)
			{
				flowLevel--;
				simpleKeys.Pop();
			}
		}

		private void FetchFlowEntry()
		{
			RemoveSimpleKey();
			simpleKeyAllowed = true;
			Mark start = cursor.Mark();
			Skip();
			Mark end = cursor.Mark();
			if (analyzer.Check('#'))
			{
				tokens.Enqueue(new Error("While scanning a flow entry, found invalid comment after comma.", start, end));
			}
			else
			{
				tokens.Enqueue(new FlowEntry(in start, in end));
			}
		}

		private void FetchBlockEntry()
		{
			if (flowLevel == 0)
			{
				if (!simpleKeyAllowed)
				{
					if (previousAnchor != null && previousAnchor.End.Line == cursor.Line)
					{
						throw new SemanticErrorException(previousAnchor.Start, previousAnchor.End, "Anchor before sequence entry on same line is not allowed.");
					}
					Mark mark = cursor.Mark();
					tokens.Enqueue(new Error("Block sequence entries are not allowed in this context.", mark, mark));
				}
				RollIndent(cursor.LineOffset, -1, isSequence: true, cursor.Mark());
			}
			RemoveSimpleKey();
			simpleKeyAllowed = true;
			Mark start = cursor.Mark();
			Skip();
			tokens.Enqueue(new BlockEntry(in start, cursor.Mark()));
		}

		private void FetchKey()
		{
			if (flowLevel == 0)
			{
				if (!simpleKeyAllowed)
				{
					Mark start = cursor.Mark();
					throw new SyntaxErrorException(in start, in start, "Mapping keys are not allowed in this context.");
				}
				RollIndent(cursor.LineOffset, -1, isSequence: false, cursor.Mark());
			}
			RemoveSimpleKey();
			simpleKeyAllowed = flowLevel == 0;
			Mark start2 = cursor.Mark();
			Skip();
			tokens.Enqueue(new Key(in start2, cursor.Mark()));
		}

		private void FetchValue()
		{
			SimpleKey simpleKey = simpleKeys.Peek();
			if (simpleKey.IsPossible)
			{
				tokens.Insert(simpleKey.TokenNumber - tokensParsed, new Key(simpleKey.Mark, simpleKey.Mark));
				RollIndent(simpleKey.LineOffset, simpleKey.TokenNumber, isSequence: false, simpleKey.Mark);
				simpleKey.MarkAsImpossible();
				simpleKeyAllowed = false;
			}
			else
			{
				bool flag = flowLevel == 0;
				if (flag)
				{
					if (!simpleKeyAllowed)
					{
						Mark mark = cursor.Mark();
						tokens.Enqueue(new Error("Mapping values are not allowed in this context.", mark, mark));
						return;
					}
					RollIndent(cursor.LineOffset, -1, isSequence: false, cursor.Mark());
					if (cursor.LineOffset == 0L && simpleKey.LineOffset == 0L)
					{
						tokens.Insert(tokens.Count, new Key(simpleKey.Mark, simpleKey.Mark));
						flag = false;
					}
				}
				simpleKeyAllowed = flag;
			}
			Mark start = cursor.Mark();
			Skip();
			tokens.Enqueue(new Value(in start, cursor.Mark()));
		}

		private void RollIndent(long column, int number, bool isSequence, Mark position)
		{
			if (flowLevel <= 0 && indent < column)
			{
				indents.Push(indent);
				indent = column;
				Token item = ((!isSequence) ? ((Token)new BlockMappingStart(in position, in position)) : ((Token)new BlockSequenceStart(in position, in position)));
				if (number == -1)
				{
					tokens.Enqueue(item);
				}
				else
				{
					tokens.Insert(number - tokensParsed, item);
				}
			}
		}

		private void FetchAnchor(bool isAlias)
		{
			SaveSimpleKey();
			simpleKeyAllowed = false;
			tokens.Enqueue(ScanAnchor(isAlias));
		}

		private Token ScanAnchor(bool isAlias)
		{
			Mark start = cursor.Mark();
			Skip();
			bool flag = false;
			if (isAlias)
			{
				SimpleKey simpleKey = simpleKeys.Peek();
				flag = simpleKey.IsRequired && simpleKey.IsPossible;
			}
			StringBuilderPool.BuilderWrapper builderWrapper = StringBuilderPool.Rent();
			try
			{
				StringBuilder builder = builderWrapper.Builder;
				while (!analyzer.IsWhiteBreakOrZero() && !analyzer.Check("[]{},") && (!flag || !analyzer.Check(':') || !analyzer.IsWhiteBreakOrZero(1)))
				{
					builder.Append(ReadCurrentCharacter());
				}
				if (builder.Length == 0 || (!analyzer.IsWhiteBreakOrZero() && !analyzer.Check("?:,]}%@`")))
				{
					throw new SyntaxErrorException(in start, cursor.Mark(), "While scanning an anchor or alias, found value containing disallowed: []{},");
				}
				AnchorName value = new AnchorName(builder.ToString());
				if (isAlias)
				{
					return new YamlDotNet.Core.Tokens.AnchorAlias(value, start, cursor.Mark());
				}
				return previousAnchor = new Anchor(value, start, cursor.Mark());
			}
			finally
			{
				((IDisposable)builderWrapper/*cast due to .constrained prefix*/).Dispose();
			}
		}

		private void FetchTag()
		{
			SaveSimpleKey();
			simpleKeyAllowed = false;
			tokens.Enqueue(ScanTag());
		}

		private Tag ScanTag()
		{
			Mark start = cursor.Mark();
			string text;
			string text2;
			if (analyzer.Check('<', 1))
			{
				text = string.Empty;
				Skip();
				Skip();
				text2 = ScanTagUri(null, start);
				if (!analyzer.Check('>'))
				{
					throw new SyntaxErrorException(in start, cursor.Mark(), "While scanning a tag, did not find the expected '>'.");
				}
				Skip();
			}
			else
			{
				string text3 = ScanTagHandle(isDirective: false, start);
				if (text3.Length > 1 && text3[0] == '!' && text3[text3.Length - 1] == '!')
				{
					text = text3;
					text2 = ScanTagUri(null, start);
				}
				else
				{
					text2 = ScanTagUri(text3, start);
					text = "!";
					if (text2.Length == 0)
					{
						text2 = text;
						text = string.Empty;
					}
				}
			}
			if (!analyzer.IsWhiteBreakOrZero() && !analyzer.Check(','))
			{
				throw new SyntaxErrorException(in start, cursor.Mark(), "While scanning a tag, did not find expected whitespace, comma or line break.");
			}
			return new Tag(text, text2, start, cursor.Mark());
		}

		private void FetchBlockScalar(bool isLiteral)
		{
			SaveSimpleKey();
			simpleKeyAllowed = true;
			tokens.Enqueue(ScanBlockScalar(isLiteral));
		}

		private YamlDotNet.Core.Tokens.Scalar ScanBlockScalar(bool isLiteral)
		{
			StringBuilderPool.BuilderWrapper builderWrapper = StringBuilderPool.Rent();
			try
			{
				StringBuilder builder = builderWrapper.Builder;
				StringBuilderPool.BuilderWrapper builderWrapper2 = StringBuilderPool.Rent();
				try
				{
					StringBuilder builder2 = builderWrapper2.Builder;
					StringBuilderPool.BuilderWrapper builderWrapper3 = StringBuilderPool.Rent();
					try
					{
						StringBuilder builder3 = builderWrapper3.Builder;
						int num = 0;
						int num2 = 0;
						long currentIndent = 0L;
						bool flag = false;
						bool? isFirstLine = null;
						Mark start = cursor.Mark();
						Skip();
						if (analyzer.Check("+-"))
						{
							num = (analyzer.Check('+') ? 1 : (-1));
							Skip();
							if (analyzer.IsDigit())
							{
								if (analyzer.Check('0'))
								{
									throw new SyntaxErrorException(in start, cursor.Mark(), "While scanning a block scalar, found an indentation indicator equal to 0.");
								}
								num2 = analyzer.AsDigit();
								Skip();
							}
						}
						else if (analyzer.IsDigit())
						{
							if (analyzer.Check('0'))
							{
								throw new SyntaxErrorException(in start, cursor.Mark(), "While scanning a block scalar, found an indentation indicator equal to 0.");
							}
							num2 = analyzer.AsDigit();
							Skip();
							if (analyzer.Check("+-"))
							{
								num = (analyzer.Check('+') ? 1 : (-1));
								Skip();
							}
						}
						if (analyzer.Check('#'))
						{
							throw new SyntaxErrorException(in start, cursor.Mark(), "While scanning a block scalar, found a comment without whtespace after '>' indicator.");
						}
						while (analyzer.IsWhite())
						{
							Skip();
						}
						ProcessComment();
						if (!analyzer.IsBreakOrZero())
						{
							throw new SyntaxErrorException(in start, cursor.Mark(), "While scanning a block scalar, did not find expected comment or line break.");
						}
						if (analyzer.IsBreak())
						{
							SkipLine();
							if (!isFirstLine.HasValue)
							{
								isFirstLine = true;
							}
							else if (isFirstLine == true)
							{
								isFirstLine = false;
							}
						}
						Mark end = cursor.Mark();
						if (num2 != 0)
						{
							currentIndent = ((indent >= 0) ? (indent + num2) : num2);
						}
						currentIndent = ScanBlockScalarBreaks(currentIndent, builder3, isLiteral, ref end, ref isFirstLine);
						isFirstLine = false;
						while (cursor.LineOffset == currentIndent && !analyzer.IsZero() && !IsDocumentEnd())
						{
							bool flag2 = analyzer.IsWhite();
							if (!isLiteral && StartsWith(builder2, '\n') && !flag && !flag2)
							{
								if (builder3.Length == 0)
								{
									builder.Append(' ');
								}
								builder2.Length = 0;
							}
							else
							{
								builder.Append((object?)builder2);
								builder2.Length = 0;
							}
							builder.Append((object?)builder3);
							builder3.Length = 0;
							flag = analyzer.IsWhite();
							while (!analyzer.IsBreakOrZero())
							{
								builder.Append(ReadCurrentCharacter());
							}
							char c = ReadLine();
							if (c != 0)
							{
								builder2.Append(c);
							}
							currentIndent = ScanBlockScalarBreaks(currentIndent, builder3, isLiteral, ref end, ref isFirstLine);
						}
						if (num != -1)
						{
							builder.Append((object?)builder2);
						}
						if (num == 1)
						{
							builder.Append((object?)builder3);
						}
						ScalarStyle style = (isLiteral ? ScalarStyle.Literal : ScalarStyle.Folded);
						return new YamlDotNet.Core.Tokens.Scalar(builder.ToString(), style, start, end);
					}
					finally
					{
						((IDisposable)builderWrapper3/*cast due to .constrained prefix*/).Dispose();
					}
				}
				finally
				{
					((IDisposable)builderWrapper2/*cast due to .constrained prefix*/).Dispose();
				}
			}
			finally
			{
				((IDisposable)builderWrapper/*cast due to .constrained prefix*/).Dispose();
			}
		}

		private long ScanBlockScalarBreaks(long currentIndent, StringBuilder breaks, bool isLiteral, ref Mark end, ref bool? isFirstLine)
		{
			long num = 0L;
			long num2 = -1L;
			end = cursor.Mark();
			while (true)
			{
				if ((currentIndent == 0L || cursor.LineOffset < currentIndent) && analyzer.IsSpace())
				{
					Skip();
					continue;
				}
				if (cursor.LineOffset > num)
				{
					num = cursor.LineOffset;
				}
				if (!analyzer.IsBreak())
				{
					break;
				}
				if (isFirstLine == true)
				{
					isFirstLine = false;
					num2 = cursor.LineOffset;
				}
				breaks.Append(ReadLine());
				end = cursor.Mark();
			}
			if (isLiteral && isFirstLine == true)
			{
				long num3 = cursor.LineOffset;
				int num4 = 0;
				while (!analyzer.IsBreak(num4) && analyzer.IsSpace(num4))
				{
					num4++;
					num3++;
				}
				if (analyzer.IsBreak(num4) && num3 > cursor.LineOffset)
				{
					isFirstLine = false;
					num2 = num3;
				}
			}
			if (isLiteral && num2 > 1 && currentIndent < num2 - 1)
			{
				throw new SemanticErrorException(in end, cursor.Mark(), "While scanning a literal block scalar, found extra spaces in first line.");
			}
			if (!isLiteral && num > cursor.LineOffset && num2 > -1)
			{
				throw new SemanticErrorException(in end, cursor.Mark(), "While scanning a literal block scalar, found more spaces in lines above first content line.");
			}
			if (currentIndent == 0L && (cursor.LineOffset > 0 || indent > -1))
			{
				currentIndent = Math.Max(num, Math.Max(indent + 1, 1L));
			}
			return currentIndent;
		}

		private void FetchQuotedScalar(bool isSingleQuoted)
		{
			SaveSimpleKey();
			simpleKeyAllowed = false;
			flowScalarFetched = flowLevel > 0;
			YamlDotNet.Core.Tokens.Scalar item = ScanFlowScalar(isSingleQuoted);
			tokens.Enqueue(item);
			lastScalar = item;
			if (!isSingleQuoted && analyzer.Check('#'))
			{
				Mark mark = cursor.Mark();
				tokens.Enqueue(new Error("While scanning a flow sequence end, found invalid comment after double-quoted scalar.", mark, mark));
			}
		}

		private YamlDotNet.Core.Tokens.Scalar ScanFlowScalar(bool isSingleQuoted)
		{
			Mark start = cursor.Mark();
			Skip();
			StringBuilderPool.BuilderWrapper builderWrapper = StringBuilderPool.Rent();
			try
			{
				StringBuilder builder = builderWrapper.Builder;
				StringBuilderPool.BuilderWrapper builderWrapper2 = StringBuilderPool.Rent();
				try
				{
					StringBuilder builder2 = builderWrapper2.Builder;
					StringBuilderPool.BuilderWrapper builderWrapper3 = StringBuilderPool.Rent();
					try
					{
						StringBuilder builder3 = builderWrapper3.Builder;
						StringBuilderPool.BuilderWrapper builderWrapper4 = StringBuilderPool.Rent();
						try
						{
							StringBuilder builder4 = builderWrapper4.Builder;
							bool flag = false;
							while (true)
							{
								if (IsDocumentIndicator())
								{
									throw new SyntaxErrorException(in start, cursor.Mark(), "While scanning a quoted scalar, found unexpected document indicator.");
								}
								if (analyzer.IsZero())
								{
									throw new SyntaxErrorException(in start, cursor.Mark(), "While scanning a quoted scalar, found unexpected end of stream.");
								}
								if (flag && !isSingleQuoted && indent >= cursor.LineOffset)
								{
									throw new SyntaxErrorException(in start, cursor.Mark(), "While scanning a multi-line double-quoted scalar, found wrong indentation.");
								}
								flag = false;
								while (!analyzer.IsWhiteBreakOrZero())
								{
									if (isSingleQuoted && analyzer.Check('\'') && analyzer.Check('\'', 1))
									{
										builder.Append('\'');
										Skip();
										Skip();
										continue;
									}
									if (analyzer.Check(isSingleQuoted ? '\'' : '"'))
									{
										break;
									}
									if (!isSingleQuoted && analyzer.Check('\\') && analyzer.IsBreak(1))
									{
										Skip();
										SkipLine();
										flag = true;
										break;
									}
									if (!isSingleQuoted && analyzer.Check('\\'))
									{
										int num = 0;
										char c = analyzer.Peek(1);
										switch (c)
										{
										case 'x':
											num = 2;
											break;
										case 'u':
											num = 4;
											break;
										case 'U':
											num = 8;
											break;
										default:
										{
											if (SimpleEscapeCodes.TryGetValue(c, out var value))
											{
												builder.Append(value);
												break;
											}
											throw new SyntaxErrorException(in start, cursor.Mark(), "While scanning a quoted scalar, found unknown escape character.");
										}
										}
										Skip();
										Skip();
										if (num <= 0)
										{
											continue;
										}
										int num2 = 0;
										for (int i = 0; i < num; i++)
										{
											if (!analyzer.IsHex(i))
											{
												throw new SyntaxErrorException(in start, cursor.Mark(), "While scanning a quoted scalar, did not find expected hexadecimal number.");
											}
											num2 = (num2 << 4) + analyzer.AsHex(i);
										}
										if (num2 >= 55296 && num2 <= 57343)
										{
											for (int j = 0; j < num; j++)
											{
												Skip();
											}
											if (analyzer.Peek(0) != '\\' || (analyzer.Peek(1) != 'u' && analyzer.Peek(1) != 'U'))
											{
												throw new SyntaxErrorException(in start, cursor.Mark(), "While scanning a quoted scalar, found invalid Unicode surrogates.");
											}
											Skip();
											num = ((analyzer.Peek(0) != 'u') ? 8 : 4);
											Skip();
											int num3 = 0;
											for (int k = 0; k < num; k++)
											{
												if (!analyzer.IsHex(0))
												{
													throw new SyntaxErrorException(in start, cursor.Mark(), "While scanning a quoted scalar, did not find expected hexadecimal number.");
												}
												num3 = (num3 << 4) + analyzer.AsHex(k);
											}
											for (int l = 0; l < num; l++)
											{
												Skip();
											}
											num2 = char.ConvertToUtf32((char)num2, (char)num3);
										}
										else
										{
											if (num2 > 1114111)
											{
												throw new SyntaxErrorException(in start, cursor.Mark(), "While scanning a quoted scalar, found invalid Unicode character escape code.");
											}
											for (int m = 0; m < num; m++)
											{
												Skip();
											}
										}
										builder.Append(char.ConvertFromUtf32(num2));
									}
									else
									{
										builder.Append(ReadCurrentCharacter());
									}
								}
								if (analyzer.Check(isSingleQuoted ? '\'' : '"'))
								{
									break;
								}
								while (analyzer.IsWhite() || analyzer.IsBreak())
								{
									if (analyzer.IsWhite())
									{
										if (!flag)
										{
											builder2.Append(ReadCurrentCharacter());
										}
										else
										{
											Skip();
										}
									}
									else if (!flag)
									{
										builder2.Length = 0;
										builder3.Append(ReadLine());
										flag = true;
									}
									else
									{
										builder4.Append(ReadLine());
									}
								}
								if (flag)
								{
									if (StartsWith(builder3, '\n'))
									{
										if (builder4.Length == 0)
										{
											builder.Append(' ');
										}
										else
										{
											builder.Append((object?)builder4);
										}
									}
									else
									{
										builder.Append((object?)builder3);
										builder.Append((object?)builder4);
									}
									builder3.Length = 0;
									builder4.Length = 0;
								}
								else
								{
									builder.Append((object?)builder2);
									builder2.Length = 0;
								}
							}
							Skip();
							return new YamlDotNet.Core.Tokens.Scalar(builder.ToString(), isSingleQuoted ? ScalarStyle.SingleQuoted : ScalarStyle.DoubleQuoted, start, cursor.Mark());
						}
						finally
						{
							((IDisposable)builderWrapper4/*cast due to .constrained prefix*/).Dispose();
						}
					}
					finally
					{
						((IDisposable)builderWrapper3/*cast due to .constrained prefix*/).Dispose();
					}
				}
				finally
				{
					((IDisposable)builderWrapper2/*cast due to .constrained prefix*/).Dispose();
				}
			}
			finally
			{
				((IDisposable)builderWrapper/*cast due to .constrained prefix*/).Dispose();
			}
		}

		private void FetchPlainScalar()
		{
			SaveSimpleKey();
			simpleKeyAllowed = false;
			bool isMultiline = false;
			YamlDotNet.Core.Tokens.Scalar item = (lastScalar = ScanPlainScalar(ref isMultiline));
			if (isMultiline && analyzer.Check(':') && flowLevel == 0 && indent < cursor.LineOffset)
			{
				tokens.Enqueue(new Error("While scanning a multiline plain scalar, found invalid mapping.", cursor.Mark(), cursor.Mark()));
			}
			tokens.Enqueue(item);
		}

		private YamlDotNet.Core.Tokens.Scalar ScanPlainScalar(ref bool isMultiline)
		{
			StringBuilderPool.BuilderWrapper builderWrapper = StringBuilderPool.Rent();
			try
			{
				StringBuilder builder = builderWrapper.Builder;
				StringBuilderPool.BuilderWrapper builderWrapper2 = StringBuilderPool.Rent();
				try
				{
					StringBuilder builder2 = builderWrapper2.Builder;
					StringBuilderPool.BuilderWrapper builderWrapper3 = StringBuilderPool.Rent();
					try
					{
						StringBuilder builder3 = builderWrapper3.Builder;
						StringBuilderPool.BuilderWrapper builderWrapper4 = StringBuilderPool.Rent();
						try
						{
							StringBuilder builder4 = builderWrapper4.Builder;
							bool flag = false;
							long num = indent + 1;
							Mark start = cursor.Mark();
							Mark end = start;
							SimpleKey simpleKey = simpleKeys.Peek();
							while (!IsDocumentIndicator())
							{
								if (analyzer.Check('#'))
								{
									if (indent < 0 && flowLevel == 0)
									{
										plainScalarFollowedByComment = true;
									}
									break;
								}
								bool flag2 = analyzer.Check('*') && (!simpleKey.IsPossible || !simpleKey.IsRequired);
								while (!analyzer.IsWhiteBreakOrZero())
								{
									if ((analyzer.Check(':') && !flag2 && (analyzer.IsWhiteBreakOrZero(1) || (flowLevel > 0 && analyzer.Check(',', 1)))) || (flowLevel > 0 && analyzer.Check(",[]{}")))
									{
										if (flowLevel == 0 && !simpleKey.IsPossible)
										{
											tokens.Enqueue(new Error("While scanning a plain scalar value, found invalid mapping.", cursor.Mark(), cursor.Mark()));
										}
										break;
									}
									if (flag || builder2.Length > 0)
									{
										if (flag)
										{
											if (StartsWith(builder3, '\n'))
											{
												if (builder4.Length == 0)
												{
													builder.Append(' ');
												}
												else
												{
													builder.Append((object?)builder4);
												}
											}
											else
											{
												builder.Append((object?)builder3);
												builder.Append((object?)builder4);
											}
											builder3.Length = 0;
											builder4.Length = 0;
											flag = false;
										}
										else
										{
											builder.Append((object?)builder2);
											builder2.Length = 0;
										}
									}
									if (flowLevel > 0 && cursor.LineOffset < num)
									{
										throw new InvalidOperationException();
									}
									builder.Append(ReadCurrentCharacter());
									end = cursor.Mark();
								}
								if (!analyzer.IsWhite() && !analyzer.IsBreak())
								{
									break;
								}
								while (analyzer.IsWhite() || analyzer.IsBreak())
								{
									if (analyzer.IsWhite())
									{
										if (flag && cursor.LineOffset < num && analyzer.IsTab())
										{
											throw new SyntaxErrorException(in start, cursor.Mark(), "While scanning a plain scalar, found a tab character that violate indentation.");
										}
										if (!flag)
										{
											builder2.Append(ReadCurrentCharacter());
										}
										else
										{
											Skip();
										}
									}
									else
									{
										isMultiline = true;
										if (!flag)
										{
											builder2.Length = 0;
											builder3.Append(ReadLine());
											flag = true;
										}
										else
										{
											builder4.Append(ReadLine());
										}
									}
								}
								if (flowLevel == 0 && cursor.LineOffset < num)
								{
									break;
								}
							}
							if (flag)
							{
								simpleKeyAllowed = true;
							}
							return new YamlDotNet.Core.Tokens.Scalar(builder.ToString(), ScalarStyle.Plain, start, end);
						}
						finally
						{
							((IDisposable)builderWrapper4/*cast due to .constrained prefix*/).Dispose();
						}
					}
					finally
					{
						((IDisposable)builderWrapper3/*cast due to .constrained prefix*/).Dispose();
					}
				}
				finally
				{
					((IDisposable)builderWrapper2/*cast due to .constrained prefix*/).Dispose();
				}
			}
			finally
			{
				((IDisposable)builderWrapper/*cast due to .constrained prefix*/).Dispose();
			}
		}

		private void RemoveSimpleKey()
		{
			SimpleKey simpleKey = simpleKeys.Peek();
			if (simpleKey.IsPossible && simpleKey.IsRequired)
			{
				throw new SyntaxErrorException(simpleKey.Mark, simpleKey.Mark, "While scanning a simple key, could not find expected ':'.");
			}
			simpleKey.MarkAsImpossible();
		}

		private string ScanDirectiveName(in Mark start)
		{
			StringBuilderPool.BuilderWrapper builderWrapper = StringBuilderPool.Rent();
			try
			{
				StringBuilder builder = builderWrapper.Builder;
				while (analyzer.IsAlphaNumericDashOrUnderscore())
				{
					builder.Append(ReadCurrentCharacter());
				}
				if (builder.Length == 0)
				{
					throw new SyntaxErrorException(in start, cursor.Mark(), "While scanning a directive, could not find expected directive name.");
				}
				if (analyzer.EndOfInput)
				{
					throw new SyntaxErrorException(in start, cursor.Mark(), "While scanning a directive, found unexpected end of stream.");
				}
				if (!analyzer.IsWhiteBreakOrZero())
				{
					throw new SyntaxErrorException(in start, cursor.Mark(), "While scanning a directive, found unexpected non-alphabetical character.");
				}
				return builder.ToString();
			}
			finally
			{
				((IDisposable)builderWrapper/*cast due to .constrained prefix*/).Dispose();
			}
		}

		private void SkipWhitespaces()
		{
			while (analyzer.IsWhite())
			{
				Skip();
			}
		}

		private VersionDirective ScanVersionDirectiveValue(in Mark start)
		{
			SkipWhitespaces();
			int major = ScanVersionDirectiveNumber(in start);
			if (!analyzer.Check('.'))
			{
				throw new SyntaxErrorException(in start, cursor.Mark(), "While scanning a %YAML directive, did not find expected digit or '.' character.");
			}
			Skip();
			int minor = ScanVersionDirectiveNumber(in start);
			return new VersionDirective(new Version(major, minor), start, start);
		}

		private TagDirective ScanTagDirectiveValue(in Mark start)
		{
			SkipWhitespaces();
			string handle = ScanTagHandle(isDirective: true, start);
			if (!analyzer.IsWhite())
			{
				throw new SyntaxErrorException(in start, cursor.Mark(), "While scanning a %TAG directive, did not find expected whitespace.");
			}
			SkipWhitespaces();
			string prefix = ScanTagUri(null, start);
			if (!analyzer.IsWhiteBreakOrZero())
			{
				throw new SyntaxErrorException(in start, cursor.Mark(), "While scanning a %TAG directive, did not find expected whitespace or line break.");
			}
			return new TagDirective(handle, prefix, start, start);
		}

		private string ScanTagUri(string? head, Mark start)
		{
			StringBuilderPool.BuilderWrapper builderWrapper = StringBuilderPool.Rent();
			try
			{
				StringBuilder builder = builderWrapper.Builder;
				if (head != null && head.Length > 1)
				{
					builder.Append(head.Substring(1));
				}
				while (analyzer.IsAlphaNumericDashOrUnderscore() || analyzer.Check(";/?:@&=+$.!~*'()[]%") || (analyzer.Check(',') && !analyzer.IsBreak(1)))
				{
					if (analyzer.Check('%'))
					{
						builder.Append(ScanUriEscapes(in start));
					}
					else if (analyzer.Check('+'))
					{
						builder.Append(' ');
						Skip();
					}
					else
					{
						builder.Append(ReadCurrentCharacter());
					}
				}
				if (builder.Length == 0)
				{
					return string.Empty;
				}
				string text = builder.ToString();
				if (Polyfills.EndsWith(text, ','))
				{
					throw new SyntaxErrorException(cursor.Mark(), cursor.Mark(), "Unexpected comma at end of tag");
				}
				return text;
			}
			finally
			{
				((IDisposable)builderWrapper/*cast due to .constrained prefix*/).Dispose();
			}
		}

		private string ScanUriEscapes(in Mark start)
		{
			byte[] array = EmptyBytes;
			int count = 0;
			int num = 0;
			do
			{
				if (!analyzer.Check('%') || !analyzer.IsHex(1) || !analyzer.IsHex(2))
				{
					throw new SyntaxErrorException(in start, cursor.Mark(), "While scanning a tag, did not find URI escaped octet.");
				}
				int num2 = (analyzer.AsHex(1) << 4) + analyzer.AsHex(2);
				if (num == 0)
				{
					num = (((num2 & 0x80) == 0) ? 1 : (((num2 & 0xE0) == 192) ? 2 : (((num2 & 0xF0) == 224) ? 3 : (((num2 & 0xF8) == 240) ? 4 : 0))));
					if (num == 0)
					{
						throw new SyntaxErrorException(in start, cursor.Mark(), "While scanning a tag, found an incorrect leading UTF-8 octet.");
					}
					array = new byte[num];
				}
				else if ((num2 & 0xC0) != 128)
				{
					throw new SyntaxErrorException(in start, cursor.Mark(), "While scanning a tag, found an incorrect trailing UTF-8 octet.");
				}
				array[count++] = (byte)num2;
				Skip();
				Skip();
				Skip();
			}
			while (--num > 0);
			string text = Encoding.UTF8.GetString(array, 0, count);
			if (text.Length == 0 || text.Length > 2)
			{
				throw new SyntaxErrorException(in start, cursor.Mark(), "While scanning a tag, found an incorrect UTF-8 sequence.");
			}
			return text;
		}

		private string ScanTagHandle(bool isDirective, Mark start)
		{
			if (!analyzer.Check('!'))
			{
				throw new SyntaxErrorException(in start, cursor.Mark(), "While scanning a tag, did not find expected '!'.");
			}
			StringBuilderPool.BuilderWrapper builderWrapper = StringBuilderPool.Rent();
			try
			{
				StringBuilder builder = builderWrapper.Builder;
				builder.Append(ReadCurrentCharacter());
				while (analyzer.IsAlphaNumericDashOrUnderscore())
				{
					builder.Append(ReadCurrentCharacter());
				}
				if (analyzer.Check('!'))
				{
					builder.Append(ReadCurrentCharacter());
				}
				else if (isDirective && (builder.Length != 1 || builder[0] != '!'))
				{
					throw new SyntaxErrorException(in start, cursor.Mark(), "While scanning a tag directive, did not find expected '!'.");
				}
				return builder.ToString();
			}
			finally
			{
				((IDisposable)builderWrapper/*cast due to .constrained prefix*/).Dispose();
			}
		}

		private int ScanVersionDirectiveNumber(in Mark start)
		{
			int num = 0;
			int num2 = 0;
			while (analyzer.IsDigit())
			{
				if (++num2 > 9)
				{
					throw new SyntaxErrorException(in start, cursor.Mark(), "While scanning a %YAML directive, found extremely long version number.");
				}
				num = num * 10 + analyzer.AsDigit();
				Skip();
			}
			if (num2 == 0)
			{
				throw new SyntaxErrorException(in start, cursor.Mark(), "While scanning a %YAML directive, did not find expected version number.");
			}
			return num;
		}

		private void SaveSimpleKey()
		{
			bool isRequired = flowLevel == 0 && indent == cursor.LineOffset;
			if (simpleKeyAllowed)
			{
				SimpleKey item = new SimpleKey(isRequired, tokensParsed + tokens.Count, cursor);
				RemoveSimpleKey();
				simpleKeys.Pop();
				simpleKeys.Push(item);
			}
		}
	}
	internal class SemanticErrorException : YamlException
	{
		public SemanticErrorException(string message)
			: base(message)
		{
		}

		public SemanticErrorException(in Mark start, in Mark end, string message)
			: base(in start, in end, message)
		{
		}

		public SemanticErrorException(string message, Exception inner)
			: base(message, inner)
		{
		}
	}
	internal sealed class SimpleKey
	{
		private readonly Cursor cursor;

		public bool IsPossible { get; private set; }

		public bool IsRequired { get; }

		public int TokenNumber { get; }

		public long Index => cursor.Index;

		public long Line => cursor.Line;

		public long LineOffset => cursor.LineOffset;

		public Mark Mark => cursor.Mark();

		public void MarkAsImpossible()
		{
			IsPossible = false;
		}

		public SimpleKey()
		{
			cursor = new Cursor();
		}

		public SimpleKey(bool isRequired, int tokenNumber, Cursor cursor)
		{
			IsPossible = true;
			IsRequired = isRequired;
			TokenNumber = tokenNumber;
			this.cursor = new Cursor(cursor);
		}
	}
	internal sealed class StringLookAheadBuffer : ILookAheadBuffer, IResettable
	{
		public string Value { get; set; } = string.Empty;

		public int Position { get; private set; }

		public int Length => Value.Length;

		public bool EndOfInput => IsOutside(Position);

		public char Peek(int offset)
		{
			int index = Position + offset;
			if (!IsOutside(index))
			{
				return Value[index];
			}
			return '\0';
		}

		private bool IsOutside(int index)
		{
			return index >= Value.Length;
		}

		public void Skip(int length)
		{
			if (length < 0)
			{
				throw new ArgumentOutOfRangeException("length", "The length must be positive.");
			}
			Position += length;
		}

		public bool TryReset()
		{
			Position = 0;
			Value = string.Empty;
			return true;
		}
	}
	internal sealed class SyntaxErrorException : YamlException
	{
		public SyntaxErrorException(string message)
			: base(message)
		{
		}

		public SyntaxErrorException(in Mark start, in Mark end, string message)
			: base(in start, in end, message)
		{
		}

		public SyntaxErrorException(string message, Exception inner)
			: base(message, inner)
		{
		}
	}
	internal sealed class TagDirectiveCollection : KeyedCollection<string, TagDirective>
	{
		public TagDirectiveCollection()
		{
		}

		public TagDirectiveCollection(IEnumerable<TagDirective> tagDirectives)
		{
			foreach (TagDirective tagDirective in tagDirectives)
			{
				Add(tagDirective);
			}
		}

		protected override string GetKeyForItem(TagDirective item)
		{
			return item.Handle;
		}

		public new bool Contains(TagDirective directive)
		{
			return Contains(GetKeyForItem(directive));
		}
	}
	internal readonly struct TagName : IEquatable<TagName>
	{
		public static readonly TagName Empty;

		private readonly string? value;

		public string Value => value ?? throw new InvalidOperationException("Cannot read the Value of a non-specific tag");

		public bool IsEmpty => value == null;

		public bool IsNonSpecific
		{
			get
			{
				if (!IsEmpty)
				{
					if (!(value == "!"))
					{
						return value == "?";
					}
					return true;
				}
				return false;
			}
		}

		public bool IsLocal
		{
			get
			{
				if (!IsEmpty)
				{
					return Value[0] == '!';
				}
				return false;
			}
		}

		public bool IsGlobal
		{
			get
			{
				if (!IsEmpty)
				{
					return !IsLocal;
				}
				return false;
			}
		}

		public TagName(string value)
		{
			this.value = value ?? throw new ArgumentNullException("value");
			if (value.Length == 0)
			{
				throw new ArgumentException("Tag value must not be empty.", "value");
			}
			if (IsGlobal && !Uri.IsWellFormedUriString(value, UriKind.RelativeOrAbsolute))
			{
				throw new ArgumentException("Global tags must be valid URIs.", "value");
			}
		}

		public override string ToString()
		{
			return value ?? "?";
		}

		public bool Equals(TagName other)
		{
			return object.Equals(value, other.value);
		}

		public override bool Equals(object? obj)
		{
			if (obj is TagName other)
			{
				return Equals(other);
			}
			return false;
		}

		public override int GetHashCode()
		{
			return value?.GetHashCode() ?? 0;
		}

		public static bool operator ==(TagName left, TagName right)
		{
			return left.Equals(right);
		}

		public static bool operator !=(TagName left, TagName right)
		{
			return !(left == right);
		}

		public static bool operator ==(TagName left, string right)
		{
			return object.Equals(left.value, right);
		}

		public static bool operator !=(TagName left, string right)
		{
			return !(left == right);
		}

		public static implicit operator TagName(string? value)
		{
			if (value != null)
			{
				return new TagName(value);
			}
			return Empty;
		}
	}
	internal sealed class Version
	{
		public int Major { get; }

		public int Minor { get; }

		public Version(int major, int minor)
		{
			if (major < 0)
			{
				throw new ArgumentOutOfRangeException("major", $"{major} should be >= 0");
			}
			Major = major;
			if (minor < 0)
			{
				throw new ArgumentOutOfRangeException("minor", $"{minor} should be >= 0");
			}
			Minor = minor;
		}

		public override bool Equals(object? obj)
		{
			if (obj is Version version && Major == version.Major)
			{
				return Minor == version.Minor;
			}
			return false;
		}

		public override int GetHashCode()
		{
			return HashCode.CombineHashCodes(Major.GetHashCode(), Minor.GetHashCode());
		}
	}
	internal class YamlException : Exception
	{
		public Mark Start { get; }

		public Mark End { get; }

		public YamlException(string message)
			: this(in Mark.Empty, in Mark.Empty, message)
		{
		}

		public YamlException(in Mark start, in Mark end, string message)
			: this(in start, in end, message, null)
		{
		}

		public YamlException(in Mark start, in Mark end, string message, Exception? innerException)
			: base(message, innerException)
		{
			Start = start;
			End = end;
		}

		public YamlException(string message, Exception inner)
			: this(in Mark.Empty, in Mark.Empty, message, inner)
		{
		}

		public override string ToString()
		{
			return $"({Start}) - ({End}): {Message}";
		}
	}
}
namespace YamlDotNet.Core.Tokens
{
	internal class Anchor : Token
	{
		public AnchorName Value { get; }

		public Anchor(AnchorName value)
			: this(value, Mark.Empty, Mark.Empty)
		{
		}

		public Anchor(AnchorName value, Mark start, Mark end)
			: base(in start, in end)
		{
			if (value.IsEmpty)
			{
				throw new ArgumentNullException("value");
			}
			Value = value;
		}
	}
	internal sealed class AnchorAlias : Token
	{
		public AnchorName Value { get; }

		public AnchorAlias(AnchorName value)
			: this(value, Mark.Empty, Mark.Empty)
		{
		}

		public AnchorAlias(AnchorName value, Mark start, Mark end)
			: base(in start, in end)
		{
			if (value.IsEmpty)
			{
				throw new ArgumentNullException("value");
			}
			Value = value;
		}
	}
	internal sealed class BlockEnd : Token
	{
		public BlockEnd()
			: this(in Mark.Empty, in Mark.Empty)
		{
		}

		public BlockEnd(in Mark start, in Mark end)
			: base(in start, in end)
		{
		}
	}
	internal sealed class BlockEntry : Token
	{
		public BlockEntry()
			: this(in Mark.Empty, in Mark.Empty)
		{
		}

		public BlockEntry(in Mark start, in Mark end)
			: base(in start, in end)
		{
		}
	}
	internal sealed class BlockMappingStart : Token
	{
		public BlockMappingStart()
			: this(in Mark.Empty, in Mark.Empty)
		{
		}

		public BlockMappingStart(in Mark start, in Mark end)
			: base(in start, in end)
		{
		}
	}
	internal sealed class BlockSequenceStart : Token
	{
		public BlockSequenceStart()
			: this(in Mark.Empty, in Mark.Empty)
		{
		}

		public BlockSequenceStart(in Mark start, in Mark end)
			: base(in start, in end)
		{
		}
	}
	internal sealed class Comment : Token
	{
		public string Value { get; }

		public bool IsInline { get; }

		public Comment(string value, bool isInline)
			: this(value, isInline, Mark.Empty, Mark.Empty)
		{
		}

		public Comment(string value, bool isInline, Mark start, Mark end)
			: base(in start, in end)
		{
			Value = value ?? throw new ArgumentNullException("value");
			IsInline = isInline;
		}
	}
	internal sealed class DocumentEnd : Token
	{
		public DocumentEnd()
			: this(in Mark.Empty, in Mark.Empty)
		{
		}

		public DocumentEnd(in Mark start, in Mark end)
			: base(in start, in end)
		{
		}
	}
	internal sealed class DocumentStart : Token
	{
		public DocumentStart()
			: this(in Mark.Empty, in Mark.Empty)
		{
		}

		public DocumentStart(in Mark start, in Mark end)
			: base(in start, in end)
		{
		}
	}
	internal class Error : Token
	{
		public string Value { get; }

		public Error(string value, Mark start, Mark end)
			: base(in start, in end)
		{
			Value = value;
		}
	}
	internal sealed class FlowEntry : Token
	{
		public FlowEntry()
			: this(in Mark.Empty, in Mark.Empty)
		{
		}

		public FlowEntry(in Mark start, in Mark end)
			: base(in start, in end)
		{
		}
	}
	internal sealed class FlowMappingEnd : Token
	{
		public FlowMappingEnd()
			: this(in Mark.Empty, in Mark.Empty)
		{
		}

		public FlowMappingEnd(in Mark start, in Mark end)
			: base(in start, in end)
		{
		}
	}
	internal sealed class FlowMappingStart : Token
	{
		public FlowMappingStart()
			: this(in Mark.Empty, in Mark.Empty)
		{
		}

		public FlowMappingStart(in Mark start, in Mark end)
			: base(in start, in end)
		{
		}
	}
	internal sealed class FlowSequenceEnd : Token
	{
		public FlowSequenceEnd()
			: this(in Mark.Empty, in Mark.Empty)
		{
		}

		public FlowSequenceEnd(in Mark start, in Mark end)
			: base(in start, in end)
		{
		}
	}
	internal sealed class FlowSequenceStart : Token
	{
		public FlowSequenceStart()
			: this(in Mark.Empty, in Mark.Empty)
		{
		}

		public FlowSequenceStart(in Mark start, in Mark end)
			: base(in start, in end)
		{
		}
	}
	internal sealed class Key : Token
	{
		public Key()
			: this(in Mark.Empty, in Mark.Empty)
		{
		}

		public Key(in Mark start, in Mark end)
			: base(in start, in end)
		{
		}
	}
	internal sealed class Scalar : Token
	{
		public bool IsKey { get; set; }

		public string Value { get; }

		public ScalarStyle Style { get; }

		public Scalar(string value)
			: this(value, ScalarStyle.Any)
		{
		}

		public Scalar(string value, ScalarStyle style)
			: this(value, style, Mark.Empty, Mark.Empty)
		{
		}

		public Scalar(string value, ScalarStyle style, Mark start, Mark end)
			: base(in start, in end)
		{
			Value = value ?? throw new ArgumentNullException("value");
			Style = style;
		}
	}
	internal sealed class StreamEnd : Token
	{
		public StreamEnd()
			: this(in Mark.Empty, in Mark.Empty)
		{
		}

		public StreamEnd(in Mark start, in Mark end)
			: base(in start, in end)
		{
		}
	}
	internal sealed class StreamStart : Token
	{
		public StreamStart()
			: this(in Mark.Empty, in Mark.Empty)
		{
		}

		public StreamStart(in Mark start, in Mark end)
			: base(in start, in end)
		{
		}
	}
	internal sealed class Tag : Token
	{
		public string Handle { get; }

		public string Suffix { get; }

		public Tag(string handle, string suffix)
			: this(handle, suffix, Mark.Empty, Mark.Empty)
		{
		}

		public Tag(string handle, string suffix, Mark start, Mark end)
			: base(in start, in end)
		{
			Handle = handle ?? throw new ArgumentNullException("handle");
			Suffix = suffix ?? throw new ArgumentNullException("suffix");
		}
	}
	internal class TagDirective : Token
	{
		private static readonly Regex TagHandlePattern = new Regex("^!([0-9A-Za-z_\\-]*!)?$", RegexOptions.Compiled);

		public string Handle { get; }

		public string Prefix { get; }

		public TagDirective(string handle, string prefix)
			: this(handle, prefix, Mark.Empty, Mark.Empty)
		{
		}

		public TagDirective(string handle, string prefix, Mark start, Mark end)
			: base(in start, in end)
		{
			if (string.IsNullOrEmpty(handle))
			{
				throw new ArgumentNullException("handle", "Tag handle must not be empty.");
			}
			if (!TagHandlePattern.IsMatch(handle))
			{
				throw new ArgumentException("Tag handle must start and end with '!' and contain alphanumerical characters only.", "handle");
			}
			Handle = handle;
			if (string.IsNullOrEmpty(prefix))
			{
				throw new ArgumentNullException("prefix", "Tag prefix must not be empty.");
			}
			Prefix = prefix;
		}

		public override bool Equals(object? obj)
		{
			if (obj is TagDirective tagDirective && Handle.Equals(tagDirective.Handle))
			{
				return Prefix.Equals(tagDirective.Prefix);
			}
			return false;
		}

		public override int GetHashCode()
		{
			return Handle.GetHashCode() ^ Prefix.GetHashCode();
		}

		public override string ToString()
		{
			return Handle + " => " + Prefix;
		}
	}
	internal abstract class Token
	{
		public Mark Start { get; }

		public Mark End { get; }

		protected Token(in Mark start, in Mark end)
		{
			Start = start;
			End = end;
		}
	}
	internal sealed class Value : Token
	{
		public Value()
			: this(in Mark.Empty, in Mark.Empty)
		{
		}

		public Value(in Mark start, in Mark end)
			: base(in start, in end)
		{
		}
	}
	internal sealed class VersionDirective : Token
	{
		public Version Version { get; }

		public VersionDirective(Version version)
			: this(version, Mark.Empty, Mark.Empty)
		{
		}

		public VersionDirective(Version version, Mark start, Mark end)
			: base(in start, in end)
		{
			Version = version;
		}

		public override bool Equals(object? obj)
		{
			if (obj is VersionDirective versionDirective)
			{
				return Version.Equals(versionDirective.Version);
			}
			return false;
		}

		public override int GetHashCode()
		{
			return Version.GetHashCode();
		}
	}
}
namespace YamlDotNet.Core.ObjectPool
{
	internal class DefaultObjectPool<T> : ObjectPool<T> where T : class
	{
		private readonly Func<T> createFunc;

		private readonly Func<T, bool> returnFunc;

		private readonly int maxCapacity;

		private int numItems;

		private protected readonly ConcurrentQueue<T> items = new ConcurrentQueue<T>();

		private protected T? fastItem;

		public DefaultObjectPool(IPooledObjectPolicy<T> policy)
			: this(policy, Environment.ProcessorCount * 2)
		{
		}

		public DefaultObjectPool(IPooledObjectPolicy<T> policy, int maximumRetained)
		{
			createFunc = policy.Create;
			returnFunc = policy.Return;
			maxCapacity = maximumRetained - 1;
		}

		public override T Get()
		{
			T result = fastItem;
			if (result == null || Interlocked.CompareExchange(ref fastItem, null, result) != result)
			{
				if (items.TryDequeue(out result))
				{
					Interlocked.Decrement(ref numItems);
					return result;
				}
				return createFunc();
			}
			return result;
		}

		public override void Return(T obj)
		{
			ReturnCore(obj);
		}

		private protected bool ReturnCore(T obj)
		{
			if (!returnFunc(obj))
			{
				return false;
			}
			if (fastItem != null || Interlocked.CompareExchange(ref fastItem, obj, null) != null)
			{
				if (Interlocked.Increment(ref numItems) <= maxCapacity)
				{
					items.Enqueue(obj);
					return true;
				}
				Interlocked.Decrement(ref numItems);
				return false;
			}
			return true;
		}
	}
	internal class DefaultPooledObjectPolicy<T> : IPooledObjectPolicy<T> where T : class, new()
	{
		public T Create()
		{
			return new T();
		}

		public bool Return(T obj)
		{
			if (obj is IResettable resettable)
			{
				return resettable.TryReset();
			}
			return true;
		}
	}
	internal interface IPooledObjectPolicy<T> where T : notnull
	{
		T Create();

		bool Return(T obj);
	}
	internal interface IResettable
	{
		bool TryReset();
	}
	internal abstract class ObjectPool<T> where T : class
	{
		public abstract T Get();

		public abstract void Return(T obj);
	}
	internal static class ObjectPool
	{
		public static ObjectPool<T> Create<T>(IPooledObjectPolicy<T>? policy = null) where T : class, new()
		{
			return new DefaultObjectPool<T>(policy ?? new DefaultPooledObjectPolicy<T>());
		}

		public static ObjectPool<T> Create<T>(int maximumRetained, IPooledObjectPolicy<T>? policy = null) where T : class, new()
		{
			return new DefaultObjectPool<T>(policy ?? new DefaultPooledObjectPolicy<T>(), maximumRetained);
		}
	}
	[DebuggerStepThrough]
	internal static class StringBuilderPool
	{
		internal readonly struct BuilderWrapper : IDisposable
		{
			public readonly StringBuilder Builder;

			private readonly ObjectPool<StringBuilder> pool;

			public BuilderWrapper(StringBuilder builder, ObjectPool<StringBuilder> pool)
			{
				Builder = builder;
				this.pool = pool;
			}

			public override string ToString()
			{
				return Builder.ToString();
			}

			public void Dispose()
			{
				pool.Return(Builder);
			}
		}

		private static readonly ObjectPool<StringBuilder> Pool = ObjectPool.Create(new StringBuilderPooledObjectPolicy
		{
			InitialCapacity = 16,
			MaximumRetainedCapacity = 1024
		});

		public static BuilderWrapper Rent()
		{
			StringBuilder builder = Pool.Get();
			return new BuilderWrapper(builder, Pool);
		}
	}
	internal class StringBuilderPooledObjectPolicy : IPooledObjectPolicy<StringBuilder>
	{
		public int InitialCapacity { get; set; } = 100;

		public int MaximumRetainedCapacity { get; set; } = 4096;

		public StringBuilder Create()
		{
			return new StringBuilder(InitialCapacity);
		}

		public bool Return(StringBuilder obj)
		{
			if (obj.Capacity > MaximumRetainedCapacity)
			{
				return false;
			}
			obj.Clear();
			return true;
		}
	}
	internal static class StringLookAheadBufferPool
	{
		internal readonly struct BufferWrapper : IDisposable
		{
			public readonly StringLookAheadBuffer Buffer;

			private readonly ObjectPool<StringLookAheadBuffer> pool;

			public BufferWrapper(StringLookAheadBuffer buffer, ObjectPool<StringLookAheadBuffer> pool)
			{
				Buffer = buffer;
				this.pool = pool;
			}

			public override string ToString()
			{
				return Buffer.ToString();
			}

			public void Dispose()
			{
				pool.Return(Buffer);
			}
		}

		private static readonly ObjectPool<StringLookAheadBuffer> Pool = ObjectPool.Create(new DefaultPooledObjectPolicy<StringLookAheadBuffer>());

		public static BufferWrapper Rent(string value)
		{
			StringLookAheadBuffer stringLookAheadBuffer = Pool.Get();
			stringLookAheadBuffer.Value = value;
			return new BufferWrapper(stringLookAheadBuffer, Pool);
		}
	}
}
namespace YamlDotNet.Core.Events
{
	internal sealed class AnchorAlias : ParsingEvent
	{
		internal override EventType Type => EventType.Alias;

		public AnchorName Value { get; }

		public AnchorAlias(AnchorName value, Mark start, Mark end)
			: base(in start, in end)
		{
			if (value.IsEmpty)
			{
				throw new YamlException(in start, in end, "Anchor value must not be empty.");
			}
			Value = value;
		}

		public AnchorAlias(AnchorName value)
			: this(value, Mark.Empty, Mark.Empty)
		{
		}

		public override string ToString()
		{
			return $"Alias [value = {Value}]";
		}

		public override void Accept(IParsingEventVisitor visitor)
		{
			visitor.Visit(this);
		}
	}
	internal sealed class Comment : ParsingEvent
	{
		public string Value { get; }

		public bool IsInline { get; }

		internal override EventType Type => EventType.Comment;

		public Comment(string value, bool isInline)
			: this(value, isInline, Mark.Empty, Mark.Empty)
		{
		}

		public Comment(string value, bool isInline, Mark start, Mark end)
			: base(in start, in end)
		{
			Value = value;
			IsInline = isInline;
		}

		public override void Accept(IParsingEventVisitor visitor)
		{
			visitor.Visit(this);
		}

		public override string ToString()
		{
			return (IsInline ? "Inline" : "Block") + " Comment [" + Value + "]";
		}
	}
	internal sealed class DocumentEnd : ParsingEvent
	{
		public override int NestingIncrease => -1;

		internal override EventType Type => EventType.DocumentEnd;

		public bool IsImplicit { get; }

		public DocumentEnd(bool isImplicit, Mark start, Mark end)
			: base(in start, in end)
		{
			IsImplicit = isImplicit;
		}

		public DocumentEnd(bool isImplicit)
			: this(isImplicit, Mark.Empty, Mark.Empty)
		{
		}

		public override string ToString()
		{
			return $"Document end [isImplicit = {IsImplicit}]";
		}

		public override void Accept(IParsingEventVisitor visitor)
		{
			visitor.Visit(this);
		}
	}
	internal sealed class DocumentStart : ParsingEvent
	{
		public override int NestingIncrease => 1;

		internal override EventType Type => EventType.DocumentStart;

		public TagDirectiveCollection? Tags { get; }

		public VersionDirective? Version { get; }

		public bool IsImplicit { get; }

		public DocumentStart(VersionDirective? version, TagDirectiveCollection? tags, bool isImplicit, Mark start, Mark end)
			: base(in start, in end)
		{
			Version = version;
			Tags = tags;
			IsImplicit = isImplicit;
		}

		public DocumentStart(VersionDirective? version, TagDirectiveCollection? tags, bool isImplicit)
			: this(version, tags, isImplicit, Mark.Empty, Mark.Empty)
		{
		}

		public DocumentStart(in Mark start, in Mark end)
			: this(null, null, isImplicit: true, start, end)
		{
		}

		public DocumentStart()
			: this(null, null, isImplicit: true, Mark.Empty, Mark.Empty)
		{
		}

		public override string ToString()
		{
			return $"Document start [isImplicit = {IsImplicit}]";
		}

		public override void Accept(IParsingEventVisitor visitor)
		{
			visitor.Visit(this);
		}
	}
	internal enum EventType
	{
		None,
		StreamStart,
		StreamEnd,
		DocumentStart,
		DocumentEnd,
		Alias,
		Scalar,
		SequenceStart,
		SequenceEnd,
		MappingStart,
		MappingEnd,
		Comment
	}
	internal interface IParsingEventVisitor
	{
		void Visit(AnchorAlias e);

		void Visit(StreamStart e);

		void Visit(StreamEnd e);

		void Visit(DocumentStart e);

		void Visit(DocumentEnd e);

		void Visit(Scalar e);

		void Visit(SequenceStart e);

		void Visit(SequenceEnd e);

		void Visit(MappingStart e);

		void Visit(MappingEnd e);

		void Visit(Comment e);
	}
	internal class MappingEnd : ParsingEvent
	{
		public override int NestingIncrease => -1;

		internal override EventType Type => EventType.MappingEnd;

		public MappingEnd(in Mark start, in Mark end)
			: base(in start, in end)
		{
		}

		public MappingEnd()
			: this(in Mark.Empty, in Mark.Empty)
		{
		}

		public override string ToString()
		{
			return "Mapping end";
		}

		public override void Accept(IParsingEventVisitor visitor)
		{
			visitor.Visit(this);
		}
	}
	internal sealed class MappingStart : NodeEvent
	{
		public override int NestingIncrease => 1;

		internal override EventType Type => EventType.MappingStart;

		public bool IsImplicit { get; }

		public override bool IsCanonical => !IsImplicit;

		public MappingStyle Style { get; }

		public MappingStart(AnchorName anchor, TagName tag, bool isImplicit, MappingStyle style, Mark start, Mark end)
			: base(anchor, tag, start, end)
		{
			IsImplicit = isImplicit;
			Style = style;
		}

		public MappingStart(AnchorName anchor, TagName tag, bool isImplicit, MappingStyle style)
			: this(anchor, tag, isImplicit, style, Mark.Empty, Mark.Empty)
		{
		}

		public MappingStart()
			: this(AnchorName.Empty, TagName.Empty, isImplicit: true, MappingStyle.Any, Mark.Empty, Mark.Empty)
		{
		}

		public override string ToString()
		{
			return $"Mapping start [anchor = {base.Anchor}, tag = {base.Tag}, isImplicit = {IsImplicit}, style = {Style}]";
		}

		public override void Accept(IParsingEventVisitor visitor)
		{
			visitor.Visit(this);
		}
	}
	internal enum MappingStyle
	{
		Any,
		Block,
		Flow
	}
	internal abstract class NodeEvent : ParsingEvent
	{
		public AnchorName Anchor { get; }

		public TagName Tag { get; }

		public abstract bool IsCanonical { get; }

		protected NodeEvent(AnchorName anchor, TagName tag, Mark start, Mark end)
			: base(in start, in end)
		{
			Anchor = anchor;
			Tag = tag;
		}

		protected NodeEvent(AnchorName anchor, TagName tag)
			: this(anchor, tag, Mark.Empty, Mark.Empty)
		{
		}
	}
	internal abstract class ParsingEvent
	{
		public virtual int NestingIncrease => 0;

		internal abstract EventType Type { get; }

		public Mark Start { get; }

		public Mark End { get; }

		public abstract void Accept(IParsingEventVisitor visitor);

		internal ParsingEvent(in Mark start, in Mark end)
		{
			Start = start;
			End = end;
		}
	}
	internal sealed class Scalar : NodeEvent
	{
		internal override EventType Type => EventType.Scalar;

		public string Value { get; }

		public ScalarStyle Style { get; }

		public bool IsPlainImplicit { get; }

		public bool IsQuotedImplicit { get; }

		public override bool IsCanonical
		{
			get
			{
				if (!IsPlainImplicit)
				{
					return !IsQuotedImplicit;
				}
				return false;
			}
		}

		public bool IsKey { get; }

		public Scalar(AnchorName anchor, TagName tag, string value, ScalarStyle style, bool isPlainImplicit, bool isQuotedImplicit, Mark start, Mark end, bool isKey = false)
			: base(anchor, tag, start, end)
		{
			Value = value;
			Style = style;
			IsPlainImplicit = isPlainImplicit;
			IsQuotedImplicit = isQuotedImplicit;
			IsKey = isKey;
		}

		public Scalar(AnchorName anchor, TagName tag, string value, ScalarStyle style, bool isPlainImplicit, bool isQuotedImplicit)
			: this(anchor, tag, value, style, isPlainImplicit, isQuotedImplicit, Mark.Empty, Mark.Empty)
		{
		}

		public Scalar(string value)
			: this(AnchorName.Empty, TagName.Empty, value, ScalarStyle.Any, isPlainImplicit: true, isQuotedImplicit: true, Mark.Empty, Mark.Empty)
		{
		}

		public Scalar(TagName tag, string value)
			: this(AnchorName.Empty, tag, value, ScalarStyle.Any, isPlainImplicit: true, isQuotedImplicit: true, Mark.Empty, Mark.Empty)
		{
		}

		public Scalar(AnchorName anchor, TagName tag, string value)
			: this(anchor, tag, value, ScalarStyle.Any, isPlainImplicit: true, isQuotedImplicit: true, Mark.Empty, Mark.Empty)
		{
		}

		public override string ToString()
		{
			return $"Scalar [anchor = {base.Anchor}, tag = {base.Tag}, value = {Value}, style = {Style}, isPlainImplicit = {IsPlainImplicit}, isQuotedImplicit = {IsQuotedImplicit}]";
		}

		public override void Accept(IParsingEventVisitor visitor)
		{
			visitor.Visit(this);
		}
	}
	internal sealed class SequenceEnd : ParsingEvent
	{
		public override int NestingIncrease => -1;

		internal override EventType Type => EventType.SequenceEnd;

		public SequenceEnd(in Mark start, in Mark end)
			: base(in start, in end)
		{
		}

		public SequenceEnd()
			: this(in Mark.Empty, in Mark.Empty)
		{
		}

		public override string ToString()
		{
			return "Sequence end";
		}

		public override void Accept(IParsingEventVisitor visitor)
		{
			visitor.Visit(this);
		}
	}
	internal sealed class SequenceStart : NodeEvent
	{
		public override int NestingIncrease => 1;

		internal override EventType Type => EventType.SequenceStart;

		public bool IsImplicit { get; }

		public override bool IsCanonical => !IsImplicit;

		public SequenceStyle Style { get; }

		public SequenceStart(AnchorName anchor, TagName tag, bool isImplicit, SequenceStyle style, Mark start, Mark end)
			: base(anchor, tag, start, end)
		{
			IsImplicit = isImplicit;
			Style = style;
		}

		public SequenceStart(AnchorName anchor, TagName tag, bool isImplicit, SequenceStyle style)
			: this(anchor, tag, isImplicit, style, Mark.Empty, Mark.Empty)
		{
		}

		public override string ToString()
		{
			return $"Sequence start [anchor = {base.Anchor}, tag = {base.Tag}, isImplicit = {IsImplicit}, style = {Style}]";
		}

		public override void Accept(IParsingEventVisitor visitor)
		{
			visitor.Visit(this);
		}
	}
	internal enum SequenceStyle
	{
		Any,
		Block,
		Flow
	}
	internal sealed class StreamEnd : ParsingEvent
	{
		public override int NestingIncrease => -1;

		internal override EventType Type => EventType.StreamEnd;

		public StreamEnd(in Mark start, in Mark end)
			: base(in start, in end)
		{
		}

		public StreamEnd()
			: this(in Mark.Empty, in Mark.Empty)
		{
		}

		public override string ToString()
		{
			return "Stream end";
		}

		public override void Accept(IParsingEventVisitor visitor)
		{
			visitor.Visit(this);
		}
	}
	internal sealed class StreamStart : ParsingEvent
	{
		public override int NestingIncrease => 1;

		internal override EventType Type => EventType.StreamStart;

		public StreamStart()
			: this(in Mark.Empty, in Mark.Empty)
		{
		}

		public StreamStart(in Mark start, in Mark end)
			: base(in start, in end)
		{
		}

		public override string ToString()
		{
			return "Stream start";
		}

		public override void Accept(IParsingEventVisitor visitor)
		{
			visitor.Visit(this);
		}
	}
}
namespace System.Diagnostics.CodeAnalysis
{
	[AttributeUsage(AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Parameter, Inherited = false)]
	[ExcludeFromCodeCoverage]
	[DebuggerNonUserCode]
	internal sealed class AllowNullAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Parameter, Inherited = false)]
	[ExcludeFromCodeCoverage]
	[DebuggerNonUserCode]
	internal sealed class DisallowNullAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Method, Inherited = false)]
	[ExcludeFromCodeCoverage]
	[DebuggerNonUserCode]
	internal sealed class DoesNotReturnAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Parameter, Inherited = false)]
	[ExcludeFromCodeCoverage]
	[DebuggerNonUserCode]
	internal sealed class DoesNotReturnIfAttribute : Attribute
	{
		public bool ParameterValue { get; }

		public DoesNotReturnIfAttribute(bool parameterValue)
		{
			ParameterValue = parameterValue;
		}
	}
	[AttributeUsage(AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Parameter | AttributeTargets.ReturnValue, Inherited = false)]
	[ExcludeFromCodeCoverage]
	[DebuggerNonUserCode]
	internal sealed class MaybeNullAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Parameter, Inherited = false)]
	[ExcludeFromCodeCoverage]
	[DebuggerNonUserCode]
	internal sealed class MaybeNullWhenAttribute : Attribute
	{
		public bool ReturnValue { get; }

		public MaybeNullWhenAttribute(bool returnValue)
		{
			ReturnValue = returnValue;
		}
	}
	[AttributeUsage(AttributeTargets.Method | AttributeTargets.Property, Inherited = false, AllowMultiple = true)]
	[ExcludeFromCodeCoverage]
	[DebuggerNonUserCode]
	internal sealed class MemberNotNullAttribute : Attribute
	{
		public string[] Members { get; }

		public MemberNotNullAttribute(string member)
		{
			Members = new string[1] { member };
		}

		public MemberNotNullAttribute(params string[] members)
		{
			Members = members;
		}
	}
	[AttributeUsage(AttributeTargets.Method | AttributeTargets.Property, Inherited = false, AllowMultiple = true)]
	[ExcludeFromCodeCoverage]
	[DebuggerNonUserCode]
	internal sealed class MemberNotNullWhenAttribute : Attribute
	{
		public bool ReturnValue { get; }

		public string[] Members { get; }

		public MemberNotNullWhenAttribute(bool returnValue, string member)
		{
			ReturnValue = returnValue;
			Members = new string[1] { member };
		}

		public MemberNotNullWhenAttribute(bool returnValue, params string[] members)
		{
			ReturnValue = returnValue;
			Members = members;
		}
	}
	[AttributeUsage(AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Parameter | AttributeTargets.ReturnValue, Inherited = false)]
	[ExcludeFromCodeCoverage]
	[DebuggerNonUserCode]
	internal sealed class NotNullAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Property | AttributeTargets.Parameter | AttributeTargets.ReturnValue, AllowMultiple = true, Inherited = false)]
	[ExcludeFromCodeCoverage]
	[DebuggerNonUserCode]
	internal sealed class NotNullIfNotNullAttribute : Attribute
	{
		public string ParameterName { get; }

		public NotNullIfNotNullAttribute(string parameterName)
		{
			ParameterName = parameterName;
		}
	}
	[AttributeUsage(AttributeTargets.Parameter, Inherited = false)]
	[ExcludeFromCodeCoverage]
	[DebuggerNonUserCode]
	internal sealed class NotNullWhenAttribute : Attribute
	{
		public bool ReturnValue { get; }

		public NotNullWhenAttribute(bool returnValue)
		{
			ReturnValue = returnValue;
		}
	}
}