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.IO.Compression;
using System.Linq;
using System.Linq.Expressions;
using System.Reflection;
using System.Reflection.Emit;
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.Configuration;
using BepInEx.Logging;
using HarmonyLib;
using JetBrains.Annotations;
using Microsoft.CodeAnalysis;
using ServerSync;
using TMPro;
using UnityEngine;
using UnityEngine.Rendering;
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("DiveIn")]
[assembly: AssemblyDescription("")]
[assembly: AssemblyConfiguration("")]
[assembly: AssemblyCompany("sighsorry")]
[assembly: AssemblyProduct("DiveIn")]
[assembly: AssemblyCopyright("Copyright ©  2021")]
[assembly: AssemblyTrademark("")]
[assembly: ComVisible(false)]
[assembly: Guid("4358610B-F3F4-4843-B7AF-98B7BC60DCDE")]
[assembly: AssemblyFileVersion("1.0.9")]
[assembly: TargetFramework(".NETFramework,Version=v4.8", FrameworkDisplayName = ".NET Framework 4.8")]
[assembly: SecurityPermission(SecurityAction.RequestMinimum, SkipVerification = true)]
[assembly: AssemblyVersion("1.0.9.0")]
[module: UnverifiableCode]
[module: RefSafetyRules(11)]
namespace Microsoft.CodeAnalysis
{
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	internal sealed class EmbeddedAttribute : Attribute
	{
	}
}
namespace System.Runtime.CompilerServices
{
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.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]
	[Microsoft.CodeAnalysis.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]
	[Microsoft.CodeAnalysis.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]
	[Microsoft.CodeAnalysis.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
	{
		private readonly string <Name>k__BackingField;

		public string Name => <Name>k__BackingField;

		public ExtensionMarkerAttribute(string name)
		{
			<Name>k__BackingField = name;
		}
	}
}
namespace ServerSyncModTemplate
{
	[BepInPlugin("sighsorry.DiveIn", "DiveIn", "1.0.9")]
	[BepInIncompatibility("Searica.Valheim.UnderTheSea")]
	[BepInIncompatibility("blacks7ar.VikingsDoSwim")]
	public class ServerSyncModTemplatePlugin : BaseUnityPlugin
	{
		private sealed class MonsterDiveYamlRoot : Dictionary<string, MonsterDiveYamlGroup>
		{
			public MonsterDiveYamlRoot()
				: base((IEqualityComparer<string>?)StringComparer.OrdinalIgnoreCase)
			{
			}
		}

		private sealed class MonsterDiveYamlGroup
		{
			public float PassiveMinDepth { get; set; }

			public float PassiveCenterDepth { get; set; }

			public float PassiveMaxDepth { get; set; }

			public float? ActiveDepthAdjustSpeed { get; set; }

			public List<string> Prefabs { get; set; } = new List<string>();

		}

		public enum Toggle
		{
			On = 1,
			Off = 0
		}

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

			[UsedImplicitly]
			public bool? Browsable;

			[UsedImplicitly]
			public string? Category;

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

		private class AcceptableShortcuts : AcceptableValueBase
		{
			public AcceptableShortcuts()
				: base(typeof(KeyboardShortcut))
			{
			}

			public override object Clamp(object value)
			{
				return value;
			}

			public override bool IsValid(object value)
			{
				return true;
			}

			public override string ToDescriptionString()
			{
				return "# Acceptable values: " + string.Join(", ", UnityInput.Current.SupportedKeyCodes);
			}
		}

		private readonly struct PassiveDepthProfile
		{
			public readonly float CenterDepth;

			public readonly float MinDepth;

			public readonly float MaxDepth;

			public PassiveDepthProfile(float centerDepth, float minDepth, float maxDepth)
			{
				CenterDepth = centerDepth;
				MinDepth = minDepth;
				MaxDepth = maxDepth;
			}
		}

		private readonly struct ConfiguredDiveProfile
		{
			public readonly string GroupName;

			public readonly PassiveDepthProfile PassiveDepthProfile;

			public readonly float ActiveDepthAdjustSpeed;

			public ConfiguredDiveProfile(string groupName, PassiveDepthProfile passiveDepthProfile, float activeDepthAdjustSpeed)
			{
				GroupName = groupName;
				PassiveDepthProfile = passiveDepthProfile;
				ActiveDepthAdjustSpeed = activeDepthAdjustSpeed;
			}
		}

		private readonly struct OriginalDiveFlags
		{
			public readonly MonsterAI MonsterAI;

			public readonly bool AvoidWater;

			public readonly bool AvoidLand;

			public readonly bool CanSwim;

			public OriginalDiveFlags(MonsterAI monsterAI, bool avoidWater, bool avoidLand, bool canSwim)
			{
				MonsterAI = monsterAI;
				AvoidWater = avoidWater;
				AvoidLand = avoidLand;
				CanSwim = canSwim;
			}
		}

		private readonly struct MovePlanCacheEntry
		{
			public readonly float Time;

			public readonly Vector3Int PositionBucket;

			public readonly Vector3Int TargetBucket;

			public readonly bool HasRoute;

			public readonly Vector3 Direction;

			public MovePlanCacheEntry(float time, Vector3Int positionBucket, Vector3Int targetBucket, bool hasRoute, Vector3 direction)
			{
				//IL_0008: Unknown result type (might be due to invalid IL or missing references)
				//IL_0009: Unknown result type (might be due to invalid IL or missing references)
				//IL_000f: Unknown result type (might be due to invalid IL or missing references)
				//IL_0010: 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_0020: Unknown result type (might be due to invalid IL or missing references)
				Time = time;
				PositionBucket = positionBucket;
				TargetBucket = targetBucket;
				HasRoute = hasRoute;
				Direction = direction;
			}
		}

		private readonly struct UnderwaterNavigationPlan
		{
			public readonly bool HasRoute;

			public readonly Vector3 Direction;

			public UnderwaterNavigationPlan(bool hasRoute, Vector3 direction)
			{
				//IL_0008: Unknown result type (might be due to invalid IL or missing references)
				//IL_0009: Unknown result type (might be due to invalid IL or missing references)
				HasRoute = hasRoute;
				Direction = direction;
			}
		}

		private readonly struct SwimDepthGoal
		{
			public readonly float DesiredDepth;

			public readonly float ClampedTargetY;

			public readonly bool RequestedOutsideRange;

			public readonly float AdjustSpeed;

			public SwimDepthGoal(float desiredDepth, float clampedTargetY, bool requestedOutsideRange, float adjustSpeed)
			{
				DesiredDepth = desiredDepth;
				ClampedTargetY = clampedTargetY;
				RequestedOutsideRange = requestedOutsideRange;
				AdjustSpeed = adjustSpeed;
			}
		}

		[HarmonyPatch(typeof(MonsterAI), "Awake")]
		private static class MonsterAIAwakePatch
		{
			private static void Postfix(MonsterAI __instance)
			{
				if (IsConfiguredMonster(__instance))
				{
					EnsureDiveFlags(__instance);
				}
			}
		}

		[HarmonyPatch(typeof(MonsterAI), "UpdateAI")]
		private static class MonsterAIUpdateAIPatch
		{
			private static void Prefix(MonsterAI __instance)
			{
				if (IsConfiguredMonster(__instance))
				{
					EnsureDiveFlags(__instance);
				}
			}
		}

		[HarmonyPatch(typeof(BaseAI), "HavePath")]
		private static class BaseAIHavePathPatch
		{
			private static bool Prefix(BaseAI __instance, Vector3 target, ref bool __result)
			{
				//IL_0029: Unknown result type (might be due to invalid IL or missing references)
				if (!TryGetConfiguredMonster(__instance, out MonsterAI monsterAI) || !ShouldUseWaterDiveMode(monsterAI))
				{
					return true;
				}
				Character character = ((BaseAI)monsterAI).m_character;
				if ((Object)(object)character == (Object)null)
				{
					return true;
				}
				__result = BuildUnderwaterNavigationPlan(__instance, character, target).HasRoute;
				return false;
			}
		}

		[HarmonyPatch(typeof(BaseAI), "MoveTo")]
		private static class BaseAIMoveToPatch
		{
			private static bool Prefix(BaseAI __instance, float dt, Vector3 point, float dist, bool run, ref bool __result)
			{
				//IL_0028: Unknown result type (might be due to invalid IL or missing references)
				//IL_0031: 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_005f: 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_0091: 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_00df: 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_0106: 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_0129: Unknown result type (might be due to invalid IL or missing references)
				if (!TryGetConfiguredMonster(__instance, out MonsterAI monsterAI) || !ShouldUseWaterDiveMode(monsterAI))
				{
					return true;
				}
				Character character = ((BaseAI)monsterAI).m_character;
				if ((Object)(object)character == (Object)null)
				{
					return true;
				}
				SwimDepthGoal goal = CalculateSwimDepthGoal(monsterAI, character, point);
				UnderwaterNavigationPlan underwaterNavigationPlan = BuildUnderwaterNavigationPlan(__instance, character, point);
				ApplySwimDepthGoal(character, goal, dt);
				float num = Mathf.Max(dist, run ? 1f : 0.5f);
				float num2 = Utils.DistanceXZ(point, ((Component)__instance).transform.position);
				float num3 = Mathf.Abs(point.y - ((Component)__instance).transform.position.y);
				float num4 = Mathf.Abs(goal.ClampedTargetY - ((Component)__instance).transform.position.y);
				bool flag = num3 < 0.75f || (goal.RequestedOutsideRange && num4 < 0.35f);
				if (num2 < num && flag)
				{
					__instance.StopMoving();
					__result = true;
					return false;
				}
				Vector3 val = point - ((Component)__instance).transform.position;
				if (((Vector3)(ref val)).sqrMagnitude <= 0.0001f)
				{
					__instance.StopMoving();
					__result = true;
					return false;
				}
				Vector3 direction = underwaterNavigationPlan.Direction;
				if (((Vector3)(ref direction)).sqrMagnitude <= 0.0001f)
				{
					__instance.StopMoving();
					__result = true;
					return false;
				}
				__instance.MoveTowards(underwaterNavigationPlan.Direction, run);
				__result = false;
				return false;
			}
		}

		internal const string ModName = "DiveIn";

		internal const string ModVersion = "1.0.9";

		internal const string Author = "sighsorry";

		private const string ModGUID = "sighsorry.DiveIn";

		private static readonly string MonsterDiveYamlFileName = "DiveIn.yaml";

		private static readonly string MonsterDiveYamlFileFullPath;

		private static readonly object MonsterDiveYamlLock;

		private static readonly IDeserializer MonsterDiveYamlDeserializer;

		private FileSystemWatcher _monsterDiveYamlWatcher;

		private DateTime _lastMonsterDiveYamlReloadTime;

		private static CustomSyncedValue<string> _monsterDiveYamlSync;

		internal const float DefaultUnderwaterDarknessFactor = 0.5f;

		internal const float DefaultUnderwaterVisibilityFalloff = 0.25f;

		internal const float DefaultUnderwaterCameraMinWaterDistance = -5000f;

		internal static ConfigEntry<string> _waterEquipmentBlacklist;

		internal static ConfigEntry<float> _surfaceStaminaRegenRateMultiplier;

		internal static ConfigEntry<float> _midwaterStaminaRegenRateMultiplier;

		internal static ConfigEntry<float> _surfaceEitrRegenRateMultiplier;

		internal static ConfigEntry<float> _midwaterEitrRegenRateMultiplier;

		internal static ConfigEntry<float> _midwaterIdleStaminaDrainPerDepth;

		internal static ConfigEntry<float> _swimStaminaDrainMultiplierPerDepth;

		internal static ConfigEntry<float> _playerSwimSkillSpeedMultiplier;

		internal static ConfigEntry<float> _fastSwimSpeedMultiplier;

		internal static ConfigEntry<float> _fastSwimStaminaDrainMultiplier;

		internal static ConfigEntry<KeyboardShortcut> _playerDiveAscendShortcut;

		internal static ConfigEntry<KeyboardShortcut> _playerDiveDescendShortcut;

		internal static ConfigEntry<float> _underwaterDarknessFactor;

		internal static ConfigEntry<float> _underwaterVisibilityFalloff;

		private static readonly object WaterEquipmentBlacklistLock;

		private static string _lastWaterEquipmentBlacklistRaw;

		private static HashSet<string> _waterEquipmentBlacklistSet;

		private static readonly string ConfigFileName;

		private static readonly string ConfigFileFullPath;

		private readonly Harmony _harmony = new Harmony("sighsorry.DiveIn");

		public static readonly ManualLogSource ServerSyncModTemplateLogger;

		private static readonly ConfigSync ConfigSync;

		private FileSystemWatcher _watcher;

		private readonly object _reloadLock = new object();

		private DateTime _lastConfigReloadTime;

		private const long RELOAD_DELAY = 10000000L;

		private static ConfigEntry<Toggle> _serverConfigLocked;

		private static IReadOnlyDictionary<string, ConfiguredDiveProfile> _configuredDiveProfilesByPrefabName;

		private static readonly Dictionary<int, OriginalDiveFlags> OriginalDiveFlagsByInstance;

		private const int MaxCacheEntries = 2048;

		private const float PassiveWavePeriodSeconds = 12f;

		private const float ActiveSwimDepthMin = 0.25f;

		private const float ActiveSwimDepthMax = 300f;

		private const float SwimDepthAdjustSpeed = 2f;

		private const float MovePlanCacheSeconds = 0.1f;

		private const float MovePlanCacheCellSize = 0.1f;

		private const int AvoidanceSampleCount = 8;

		private static readonly float[] SteerAngles;

		private static readonly Dictionary<int, MovePlanCacheEntry> MovePlanCache;

		private void InitializeMonsterDiveYaml()
		{
			_monsterDiveYamlSync = new CustomSyncedValue<string>(ConfigSync, "MonsterDiveYaml", string.Empty);
			_monsterDiveYamlSync.ValueChanged += OnMonsterDiveYamlValueChanged;
			ConfigSync.SourceOfTruthChanged += OnMonsterDiveSourceOfTruthChanged;
			if (ConfigSync.IsSourceOfTruth)
			{
				LoadMonsterDiveYamlFromDisk(forceWriteDefaultIfMissing: true, syncToPeers: true, "startup");
			}
			else if (!string.IsNullOrWhiteSpace(_monsterDiveYamlSync.Value))
			{
				ApplyMonsterDiveYaml(_monsterDiveYamlSync.Value, "startup synced value");
			}
		}

		private void SetupMonsterDiveYamlWatcher()
		{
			_monsterDiveYamlWatcher = new FileSystemWatcher(Paths.ConfigPath, MonsterDiveYamlFileName);
			_monsterDiveYamlWatcher.Changed += ReadMonsterDiveYamlValues;
			_monsterDiveYamlWatcher.Created += ReadMonsterDiveYamlValues;
			_monsterDiveYamlWatcher.Renamed += ReadMonsterDiveYamlValues;
			_monsterDiveYamlWatcher.IncludeSubdirectories = true;
			_monsterDiveYamlWatcher.SynchronizingObject = ThreadingHelper.SynchronizingObject;
			_monsterDiveYamlWatcher.EnableRaisingEvents = true;
		}

		private void DisposeMonsterDiveYamlWatcher()
		{
			if (_monsterDiveYamlSync != null)
			{
				_monsterDiveYamlSync.ValueChanged -= OnMonsterDiveYamlValueChanged;
			}
			ConfigSync.SourceOfTruthChanged -= OnMonsterDiveSourceOfTruthChanged;
			if (_monsterDiveYamlWatcher != null)
			{
				_monsterDiveYamlWatcher.Changed -= ReadMonsterDiveYamlValues;
				_monsterDiveYamlWatcher.Created -= ReadMonsterDiveYamlValues;
				_monsterDiveYamlWatcher.Renamed -= ReadMonsterDiveYamlValues;
				_monsterDiveYamlWatcher.Dispose();
				_monsterDiveYamlWatcher = null;
			}
		}

		private void ReadMonsterDiveYamlValues(object sender, FileSystemEventArgs e)
		{
			DateTime now = DateTime.Now;
			if (now.Ticks - _lastMonsterDiveYamlReloadTime.Ticks < 10000000)
			{
				return;
			}
			_lastMonsterDiveYamlReloadTime = now;
			lock (_reloadLock)
			{
				if (!ConfigSync.IsSourceOfTruth)
				{
					ServerSyncModTemplateLogger.LogInfo((object)"Ignoring local monster dive YAML reload because remote synced values are active.");
					return;
				}
				try
				{
					LoadMonsterDiveYamlFromDisk(forceWriteDefaultIfMissing: true, syncToPeers: true, "yaml reload");
					ServerSyncModTemplateLogger.LogInfo((object)"Monster dive YAML reload complete.");
				}
				catch (Exception ex)
				{
					ServerSyncModTemplateLogger.LogError((object)("Error reloading monster dive YAML: " + ex.Message));
				}
			}
		}

		private void OnMonsterDiveSourceOfTruthChanged(bool isSourceOfTruth)
		{
			if (isSourceOfTruth)
			{
				LoadMonsterDiveYamlFromDisk(forceWriteDefaultIfMissing: true, syncToPeers: true, "source of truth changed to local");
			}
			else if (!string.IsNullOrWhiteSpace(_monsterDiveYamlSync.Value))
			{
				ApplyMonsterDiveYaml(_monsterDiveYamlSync.Value, "source of truth changed to remote");
			}
		}

		private void OnMonsterDiveYamlValueChanged()
		{
			if (!ConfigSync.IsSourceOfTruth && !string.IsNullOrWhiteSpace(_monsterDiveYamlSync.Value))
			{
				ApplyMonsterDiveYaml(_monsterDiveYamlSync.Value, "synced value changed");
			}
		}

		private void LoadMonsterDiveYamlFromDisk(bool forceWriteDefaultIfMissing, bool syncToPeers, string reason)
		{
			lock (MonsterDiveYamlLock)
			{
				if (!File.Exists(MonsterDiveYamlFileFullPath))
				{
					if (!forceWriteDefaultIfMissing)
					{
						return;
					}
					string contents = BuildDefaultMonsterDiveYaml();
					Directory.CreateDirectory(Paths.ConfigPath);
					File.WriteAllText(MonsterDiveYamlFileFullPath, contents);
				}
				string text = File.ReadAllText(MonsterDiveYamlFileFullPath);
				if (ApplyMonsterDiveYaml(text, reason) && syncToPeers && _monsterDiveYamlSync.Value != text)
				{
					_monsterDiveYamlSync.Value = text;
				}
			}
		}

		private static bool ApplyMonsterDiveYaml(string yamlText, string reason)
		{
			if (string.IsNullOrWhiteSpace(yamlText))
			{
				ServerSyncModTemplateLogger.LogWarning((object)("Monster dive YAML is empty during " + reason + ". Keeping previous settings."));
				return false;
			}
			MonsterDiveYamlRoot root;
			try
			{
				root = MonsterDiveYamlDeserializer.Deserialize<MonsterDiveYamlRoot>(yamlText) ?? new MonsterDiveYamlRoot();
			}
			catch (YamlException ex)
			{
				string text = ((ex.Start.Line > 0) ? $" at line {ex.Start.Line}, column {ex.Start.Column}" : string.Empty);
				ServerSyncModTemplateLogger.LogError((object)("Failed to parse monster dive YAML during " + reason + text + ": " + ex.Message));
				return false;
			}
			catch (Exception ex2)
			{
				ServerSyncModTemplateLogger.LogError((object)("Failed to parse monster dive YAML during " + reason + ": " + ex2.Message));
				return false;
			}
			Dictionary<string, MonsterDiveYamlGroup> definedGroups = GetDefinedGroups(root);
			Dictionary<string, ConfiguredDiveProfile> dictionary = new Dictionary<string, ConfiguredDiveProfile>(StringComparer.OrdinalIgnoreCase);
			foreach (KeyValuePair<string, MonsterDiveYamlGroup> item in definedGroups)
			{
				string key = item.Key;
				MonsterDiveYamlGroup value = item.Value;
				PassiveDepthProfile passiveDepthProfile = NormalizePassiveDepthProfile(key, value.PassiveMinDepth, value.PassiveCenterDepth, value.PassiveMaxDepth);
				float activeDepthAdjustSpeed = NormalizeActiveDepthAdjustSpeed(key, value.ActiveDepthAdjustSpeed);
				AddYamlGroupEntries(configuredDiveProfile: new ConfiguredDiveProfile(key, passiveDepthProfile, activeDepthAdjustSpeed), configuredProfilesByPrefabName: dictionary, mobs: value.Prefabs);
			}
			if (dictionary.Count == 0)
			{
				ServerSyncModTemplateLogger.LogWarning((object)("Monster dive YAML loaded during " + reason + ", but no prefabs are assigned to any group."));
			}
			_configuredDiveProfilesByPrefabName = dictionary;
			int num = RestoreRemovedMonsterDiveFlags();
			ClearRuntimeCaches();
			ServerSyncModTemplateLogger.LogInfo((object)$"Loaded monster dive YAML ({reason}). passiveGroups={definedGroups.Count}, prefabs={dictionary.Count}, active[min={0.25f:F2}, max={300f:F2}, defaultAdjust={2f:F2}], restoredRemovedInstances={num}.");
			return true;
		}

		private static float NormalizeActiveDepthAdjustSpeed(string groupName, float? activeDepthAdjustSpeed)
		{
			if (!activeDepthAdjustSpeed.HasValue)
			{
				return 2f;
			}
			float value = activeDepthAdjustSpeed.Value;
			float num = Mathf.Max(0f, value);
			if (!Mathf.Approximately(num, value))
			{
				ServerSyncModTemplateLogger.LogWarning((object)("Monster dive YAML normalized active profile '" + groupName + "': active_depth_adjust_speed " + value.ToString("0.###", CultureInfo.InvariantCulture) + " -> " + num.ToString("0.###", CultureInfo.InvariantCulture) + "."));
			}
			return num;
		}

		private static PassiveDepthProfile NormalizePassiveDepthProfile(string groupName, float minDepth, float centerDepth, float maxDepth)
		{
			float num = minDepth;
			float num2 = centerDepth;
			float num3 = maxDepth;
			float num4 = Mathf.Max(0f, num);
			float num5 = Mathf.Max(0f, num3);
			if (num5 < num4)
			{
				float num6 = num5;
				num5 = num4;
				num4 = num6;
			}
			float num7 = Mathf.Clamp(num2, num4, num5);
			if (!Mathf.Approximately(num4, num) || !Mathf.Approximately(num5, num3) || !Mathf.Approximately(num7, num2))
			{
				ServerSyncModTemplateLogger.LogWarning((object)("Monster dive YAML normalized passive profile '" + groupName + "': passive_min_depth " + num.ToString("0.###", CultureInfo.InvariantCulture) + " -> " + num4.ToString("0.###", CultureInfo.InvariantCulture) + ", passive_center_depth " + num2.ToString("0.###", CultureInfo.InvariantCulture) + " -> " + num7.ToString("0.###", CultureInfo.InvariantCulture) + ", passive_max_depth " + num3.ToString("0.###", CultureInfo.InvariantCulture) + " -> " + num5.ToString("0.###", CultureInfo.InvariantCulture) + "."));
			}
			return new PassiveDepthProfile(num7, num4, num5);
		}

		private static Dictionary<string, MonsterDiveYamlGroup> GetDefinedGroups(MonsterDiveYamlRoot root)
		{
			Dictionary<string, MonsterDiveYamlGroup> dictionary = new Dictionary<string, MonsterDiveYamlGroup>(StringComparer.OrdinalIgnoreCase);
			if (root.Count == 0)
			{
				return dictionary;
			}
			foreach (KeyValuePair<string, MonsterDiveYamlGroup> item in root)
			{
				string text = item.Key?.Trim() ?? string.Empty;
				if (text.Length == 0)
				{
					ServerSyncModTemplateLogger.LogWarning((object)"Monster dive YAML contains an empty top-level group name. Skipping it.");
				}
				else
				{
					dictionary[text] = item.Value ?? new MonsterDiveYamlGroup();
				}
			}
			return dictionary;
		}

		private static void AddYamlGroupEntries(Dictionary<string, ConfiguredDiveProfile> configuredProfilesByPrefabName, IEnumerable<string>? mobs, ConfiguredDiveProfile configuredDiveProfile)
		{
			if (mobs == null)
			{
				return;
			}
			foreach (string mob in mobs)
			{
				string text = mob?.Trim() ?? string.Empty;
				if (text.Length != 0)
				{
					if (configuredProfilesByPrefabName.ContainsKey(text))
					{
						ServerSyncModTemplateLogger.LogWarning((object)("Monster dive YAML duplicate mob '" + text + "' found in " + configuredDiveProfile.GroupName + ". Keeping first assignment."));
					}
					else
					{
						configuredProfilesByPrefabName[text] = configuredDiveProfile;
					}
				}
			}
		}

		private static string BuildDefaultMonsterDiveYaml()
		{
			StringBuilder stringBuilder = new StringBuilder();
			stringBuilder.AppendLine("# Monster dive configuration for DiveIn.");
			stringBuilder.AppendLine("# Unknown keys and duplicate keys are treated as errors and keep the previous applied settings.");
			stringBuilder.AppendLine();
			AppendDefaultGroup(stringBuilder, "surface_patrol", 0f, 10f, 20f, 2f, includeGroupHeaderComment: true, includeFieldComments: true, new string[4] { "Leech", "Abomination", "Serpent", "BonemawSerpent" });
			stringBuilder.AppendLine();
			AppendDefaultGroup(stringBuilder, "mid_water", 0f, 15f, 30f, 2f);
			stringBuilder.AppendLine();
			AppendDefaultGroup(stringBuilder, "deep_patrol", 10f, 20f, 30f, 2f);
			stringBuilder.AppendLine();
			stringBuilder.AppendLine("## Mod prefabs sample");
			stringBuilder.AppendLine();
			AppendDefaultGroup(stringBuilder, "mods_surface", 0f, 10f, 20f, 2f, includeGroupHeaderComment: false, includeFieldComments: false, new string[30]
			{
				"Neck_RtD", "Animal_Dolphin_RtD", "Animal_Cod_RtD", "Monster_GreatWhiteShark_RtD", "Animal_Turtle_RtD", "Mirmaid_RtD", "BoneFish_RtD", "BoneSquid_RtD", "LuminousLooker_RtD", "MurkPod_RtD",
				"Animal_HumpbackWhale_RtD", "RDB_crocodile", "RDB_white_shark", "RDB_turtle", "Shark_TW", "ArcticSerpent_TW", "SA_Orca", "SA_Dolphin", "SA_WhiteShark", "SA_HumboldtSquid",
				"SA_LeatherbackSeaTurtle", "SA_RightWhale", "SA_WhaleShark", "SA_BlueShark", "SA_HammerHeadShark", "SA_TigerShark", "SA_BlueTurtle", "SA_GreenTurtle", "SA_RedTurtle", "SA_YellowTurtle"
			});
			stringBuilder.AppendLine();
			AppendDefaultGroup(stringBuilder, "mods_midwater", 0f, 15f, 30f, 2f, includeGroupHeaderComment: false, includeFieldComments: false, new string[6] { "Belzor_RtD", "Monster_HammerheadShark_RtD", "Animal_Marlin_RtD", "Shark_RtD", "Animal_SpermWhale_RtD", "Monster_Orca_RtD" });
			stringBuilder.AppendLine();
			AppendDefaultGroup(stringBuilder, "mods_deep", 10f, 20f, 30f, 2f, includeGroupHeaderComment: false, includeFieldComments: false, new string[2] { "Animal_Tuna_RtD", "Animal_Squid_RtD" });
			stringBuilder.AppendLine();
			AppendDefaultGroup(stringBuilder, "mods_bottom", 20f, 30f, 40f, 2f, includeGroupHeaderComment: false, includeFieldComments: false, new string[4] { "CatFish_RtD", "Reptile_RtD", "MirRake_RtD", "Animal_Manta_RtD" });
			return stringBuilder.ToString();
		}

		private static void AppendDefaultGroup(StringBuilder builder, string groupName, float minDepth, float centerDepth, float maxDepth, float activeDepthAdjustSpeed, bool includeGroupHeaderComment = false, bool includeFieldComments = false, IEnumerable<string>? examplePrefabs = null)
		{
			string text = (includeGroupHeaderComment ? " # You can use any group name. Add your own groups" : string.Empty);
			string text2 = (includeFieldComments ? " # Shallowest passive dive depth used while the monster has no target and is not alerted." : string.Empty);
			string text3 = (includeFieldComments ? " # Center depth used by the passive sine-wave swimming pattern." : string.Empty);
			string text4 = (includeFieldComments ? " # Deepest passive dive depth used while the monster has no target and is not alerted." : string.Empty);
			string text5 = (includeFieldComments ? " # How quickly this group adjusts swim depth while alerted or chasing a target." : string.Empty);
			string text6 = (includeFieldComments ? " # Monster prefab names assigned to this passive profile group." : string.Empty);
			builder.AppendLine(groupName + ":" + text);
			builder.AppendLine("  passive_min_depth: " + FormatYamlFloat(minDepth) + text2);
			builder.AppendLine("  passive_center_depth: " + FormatYamlFloat(centerDepth) + text3);
			builder.AppendLine("  passive_max_depth: " + FormatYamlFloat(maxDepth) + text4);
			builder.AppendLine("  active_depth_adjust_speed: " + FormatYamlFloat(activeDepthAdjustSpeed) + text5);
			if (examplePrefabs != null)
			{
				string[] array = examplePrefabs.Where((string prefab) => !string.IsNullOrWhiteSpace(prefab)).ToArray();
				if (array.Length != 0)
				{
					builder.AppendLine("  prefabs:" + text6);
					string[] array2 = array;
					foreach (string text7 in array2)
					{
						builder.AppendLine("    - " + text7);
					}
					return;
				}
			}
			builder.AppendLine("  prefabs: []" + text6);
		}

		private static string FormatYamlFloat(float value)
		{
			return value.ToString("0.###", CultureInfo.InvariantCulture);
		}

		private void InitializePlayerDiveConfig()
		{
			//IL_0031: Unknown result type (might be due to invalid IL or missing references)
			//IL_003c: Expected O, but got Unknown
			//IL_0080: Unknown result type (might be due to invalid IL or missing references)
			//IL_008b: Expected O, but got Unknown
			//IL_00cf: Unknown result type (might be due to invalid IL or missing references)
			//IL_00da: Expected O, but got Unknown
			//IL_011e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0129: Expected O, but got Unknown
			//IL_016d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0178: Expected O, but got Unknown
			//IL_01bc: Unknown result type (might be due to invalid IL or missing references)
			//IL_01c7: Expected O, but got Unknown
			//IL_020b: Unknown result type (might be due to invalid IL or missing references)
			//IL_0216: Expected O, but got Unknown
			//IL_025a: Unknown result type (might be due to invalid IL or missing references)
			//IL_0265: Expected O, but got Unknown
			//IL_02a9: Unknown result type (might be due to invalid IL or missing references)
			//IL_02b4: Expected O, but got Unknown
			//IL_02f8: Unknown result type (might be due to invalid IL or missing references)
			//IL_0303: Expected O, but got Unknown
			//IL_031a: Unknown result type (might be due to invalid IL or missing references)
			//IL_0344: Unknown result type (might be due to invalid IL or missing references)
			//IL_034f: Expected O, but got Unknown
			//IL_0369: Unknown result type (might be due to invalid IL or missing references)
			//IL_0393: Unknown result type (might be due to invalid IL or missing references)
			//IL_039e: Expected O, but got Unknown
			//IL_03e2: Unknown result type (might be due to invalid IL or missing references)
			//IL_03ed: Expected O, but got Unknown
			//IL_0431: Unknown result type (might be due to invalid IL or missing references)
			//IL_043c: Expected O, but got Unknown
			_waterEquipmentBlacklist = config("2 - Player Diving", "Water Equipment Blacklist", "", new ConfigDescription("Comma-separated item prefab names that remain restricted in water. Everything not listed is allowed in water by default. Example: BowFineWood,ShieldBronzeBuckler.", (AcceptableValueBase)null, new object[1]
			{
				new ConfigurationManagerAttributes
				{
					Order = 100
				}
			}));
			_surfaceStaminaRegenRateMultiplier = config("3 - Swim Resources", "Surface Stamina Regen Rate", 0.5f, new ConfigDescription("Multiplier applied to vanilla stamina regeneration while swimming on the surface with your head above water. 0 matches vanilla swimming behavior, 1 matches normal non-swimming stamina regeneration timing and rate.", (AcceptableValueBase)(object)new AcceptableValueRange<float>(0f, 1f), new object[1]
			{
				new ConfigurationManagerAttributes
				{
					Order = 110
				}
			}));
			_midwaterStaminaRegenRateMultiplier = config("3 - Swim Resources", "Midwater Stamina Regen Rate", 0f, new ConfigDescription("Multiplier applied to vanilla stamina regeneration while your head is underwater. 0 makes stamina recover only after surfacing.", (AcceptableValueBase)(object)new AcceptableValueRange<float>(0f, 1f), new object[1]
			{
				new ConfigurationManagerAttributes
				{
					Order = 109
				}
			}));
			_surfaceEitrRegenRateMultiplier = config("3 - Swim Resources", "Surface Eitr Regen Rate", 0.7f, new ConfigDescription("Multiplier applied to vanilla eitr regeneration while swimming on the surface with your head above water. 0 disables eitr regeneration while surface swimming, 1 keeps vanilla eitr regeneration.", (AcceptableValueBase)(object)new AcceptableValueRange<float>(0f, 1f), new object[1]
			{
				new ConfigurationManagerAttributes
				{
					Order = 108
				}
			}));
			_midwaterEitrRegenRateMultiplier = config("3 - Swim Resources", "Midwater Eitr Regen Rate", 0.3f, new ConfigDescription("Multiplier applied to vanilla eitr regeneration while your head is underwater. 0 makes eitr recover only after surfacing.", (AcceptableValueBase)(object)new AcceptableValueRange<float>(0f, 1f), new object[1]
			{
				new ConfigurationManagerAttributes
				{
					Order = 107
				}
			}));
			_midwaterIdleStaminaDrainPerDepth = config("3 - Swim Resources", "Midwater Idle Stamina Drain Per Depth", 0.02f, new ConfigDescription("Idle stamina drained per second per 1m of current liquid depth while your head is underwater. 0 disables idle underwater stamina drain. Example: 0.1 drains 3 stamina per second at 30m depth.", (AcceptableValueBase)(object)new AcceptableValueRange<float>(0f, 1f), new object[1]
			{
				new ConfigurationManagerAttributes
				{
					Order = 106
				}
			}));
			_swimStaminaDrainMultiplierPerDepth = config("3 - Swim Resources", "Swim Stamina Drain Multiplier Per Depth", 2.5f, new ConfigDescription("Additional moving swim stamina drain percent per 1m of current liquid depth. 1 means 30% extra at 30m; 2.5 means 75% extra at 30m. Applied multiplicatively with Fast Swim stamina drain.", (AcceptableValueBase)(object)new AcceptableValueRange<float>(0f, 5f), new object[1]
			{
				new ConfigurationManagerAttributes
				{
					Order = 105
				}
			}));
			_fastSwimSpeedMultiplier = config("4 - Swim Speed", "Fast Swim Speed Multiplier", 2f, new ConfigDescription("Swim speed multiplier while Fast Swim is toggled on with the vanilla run key. 1 disables Fast Swim and hides its key hint. Swim skill separately increases base swim speed.", (AcceptableValueBase)(object)new AcceptableValueRange<float>(1f, 3f), new object[1]
			{
				new ConfigurationManagerAttributes
				{
					Order = 99
				}
			}));
			_fastSwimStaminaDrainMultiplier = config("4 - Swim Speed", "Fast Swim Stamina Drain Multiplier", 2f, new ConfigDescription("Moving swim stamina drain multiplier while Fast Swim is toggled on. Applied multiplicatively with Swim Stamina Drain Multiplier Per Depth.", (AcceptableValueBase)(object)new AcceptableValueRange<float>(1f, 5f), new object[1]
			{
				new ConfigurationManagerAttributes
				{
					Order = 98
				}
			}));
			_playerSwimSkillSpeedMultiplier = config("4 - Swim Speed", "Swim Skill Speed Multiplier", 1.5f, new ConfigDescription("Base swim speed multiplier at Swim skill 100. 1.5 means +50%.", (AcceptableValueBase)(object)new AcceptableValueRange<float>(1f, 3f), new object[1]
			{
				new ConfigurationManagerAttributes
				{
					Order = 100
				}
			}));
			_playerDiveAscendShortcut = config<KeyboardShortcut>("2 - Player Diving", "Dive Ascend Key", new KeyboardShortcut((KeyCode)32, Array.Empty<KeyCode>()), new ConfigDescription("Client-side key used to ascend while swimming underwater.", (AcceptableValueBase)(object)new AcceptableShortcuts(), new object[1]
			{
				new ConfigurationManagerAttributes
				{
					Order = 110
				}
			}), synchronizedSetting: false);
			_playerDiveDescendShortcut = config<KeyboardShortcut>("2 - Player Diving", "Dive Descend Key", new KeyboardShortcut((KeyCode)306, Array.Empty<KeyCode>()), new ConfigDescription("Client-side key used to descend while swimming.", (AcceptableValueBase)(object)new AcceptableShortcuts(), new object[1]
			{
				new ConfigurationManagerAttributes
				{
					Order = 109
				}
			}), synchronizedSetting: false);
			_underwaterDarknessFactor = config("2 - Player Diving", "Darkness Factor", 0.5f, new ConfigDescription("Underwater darkness added per meter of swim depth. 1 means 1% per meter, so 30m gives 30%.", (AcceptableValueBase)(object)new AcceptableValueRange<float>(0f, 3f), new object[1]
			{
				new ConfigurationManagerAttributes
				{
					Order = 92
				}
			}));
			_underwaterVisibilityFalloff = config("2 - Player Diving", "Murkiness Factor", 0.25f, new ConfigDescription("Underwater fog density added per meter of swim depth. 1 means 1% per meter, so 30m adds 30%.", (AcceptableValueBase)(object)new AcceptableValueRange<float>(0f, 3f), new object[1]
			{
				new ConfigurationManagerAttributes
				{
					Order = 91
				}
			}));
		}

		internal static bool IsUnderwaterVisualStylingEnabled()
		{
			return true;
		}

		internal static float GetUnderwaterCameraMinWaterDistance()
		{
			return -5000f;
		}

		internal static float GetUnderwaterDarknessFactor()
		{
			return Mathf.Max(0f, _underwaterDarknessFactor.Value) * 0.01f;
		}

		internal static float GetUnderwaterVisibilityFalloff()
		{
			return Mathf.Max(0f, _underwaterVisibilityFalloff.Value) * 0.01f;
		}

		internal static bool IsSwimRunEnabled()
		{
			if (_fastSwimSpeedMultiplier != null)
			{
				return _fastSwimSpeedMultiplier.Value > 1.001f;
			}
			return false;
		}

		internal static bool IsDiveAscendInputHeld()
		{
			//IL_000c: Unknown result type (might be due to invalid IL or missing references)
			ConfigEntry<KeyboardShortcut> playerDiveAscendShortcut = _playerDiveAscendShortcut;
			if (playerDiveAscendShortcut == null || !playerDiveAscendShortcut.Value.IsKeyHeld())
			{
				return ZInput.GetButton("JoyJump");
			}
			return true;
		}

		internal static bool IsDiveDescendInputHeld()
		{
			//IL_000c: Unknown result type (might be due to invalid IL or missing references)
			ConfigEntry<KeyboardShortcut> playerDiveDescendShortcut = _playerDiveDescendShortcut;
			if (playerDiveDescendShortcut == null || !playerDiveDescendShortcut.Value.IsKeyHeld())
			{
				return ZInput.GetButton("JoyCrouch");
			}
			return true;
		}

		internal static string GetDiveAscendKeyHint()
		{
			//IL_002e: 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)
			if (ShouldShowGamepadKeyHints())
			{
				return GetBoundKeyHint("JoyJump", "A");
			}
			return FormatShortcutForKeyHint((KeyboardShortcut)(((??)_playerDiveAscendShortcut?.Value) ?? new KeyboardShortcut((KeyCode)32, Array.Empty<KeyCode>())));
		}

		internal static string GetDiveDescendKeyHint()
		{
			//IL_0031: 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)
			if (ShouldShowGamepadKeyHints())
			{
				return GetBoundKeyHint("JoyCrouch", "B");
			}
			return FormatShortcutForKeyHint((KeyboardShortcut)(((??)_playerDiveDescendShortcut?.Value) ?? new KeyboardShortcut((KeyCode)306, Array.Empty<KeyCode>())));
		}

		internal static string GetDiveRunKeyHint()
		{
			if (!ShouldShowGamepadKeyHints())
			{
				return GetBoundKeyHint("Run", "Left Shift");
			}
			return GetBoundKeyHint("JoyRun", "LT");
		}

		private static bool ShouldShowGamepadKeyHints()
		{
			return ZInput.IsGamepadActive();
		}

		private static string GetBoundKeyHint(string bindingName, string fallback)
		{
			ZInput instance = ZInput.instance;
			string text = ((instance != null) ? instance.GetBoundKeyString(bindingName, true) : null) ?? string.Empty;
			if (string.IsNullOrWhiteSpace(text))
			{
				return fallback;
			}
			if (Localization.instance == null)
			{
				return text;
			}
			return Localization.instance.Localize(text);
		}

		private static string FormatShortcutForKeyHint(KeyboardShortcut shortcut)
		{
			//IL_0002: 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 ((int)((KeyboardShortcut)(ref shortcut)).MainKey == 0)
			{
				return "None";
			}
			List<string> list = ((KeyboardShortcut)(ref shortcut)).Modifiers.Where((KeyCode key) => (int)key > 0).Select(FormatKeyCodeForHint).ToList();
			list.Add(FormatKeyCodeForHint(((KeyboardShortcut)(ref shortcut)).MainKey));
			return string.Join(" + ", list);
		}

		private static string FormatKeyCodeForHint(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
			//IL_0024: 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_004c: Expected I4, but got Unknown
			return (key - 303) switch
			{
				3 => "Left Ctrl", 
				2 => "Right Ctrl", 
				1 => "Left Shift", 
				0 => "Right Shift", 
				5 => "Left Alt", 
				4 => "Right Alt", 
				_ => (key - 323) switch
				{
					0 => "Mouse-1", 
					1 => "Mouse-2", 
					2 => "Mouse-3", 
					3 => "Mouse-4", 
					4 => "Mouse-5", 
					5 => "Mouse-6", 
					6 => "Mouse-7", 
					_ => ((object)(KeyCode)(ref key)).ToString(), 
				}, 
			};
		}

		internal static bool IsWaterRestrictedItem(ItemData? item)
		{
			if (item == null || (Object)(object)item.m_dropPrefab == (Object)null)
			{
				return false;
			}
			RefreshWaterEquipmentBlacklistIfNeeded();
			string prefabName = Utils.GetPrefabName(item.m_dropPrefab);
			if (!string.IsNullOrEmpty(prefabName))
			{
				return _waterEquipmentBlacklistSet.Contains(prefabName);
			}
			return false;
		}

		internal static bool HumanoidHasWaterRestrictedEquipment(Humanoid? humanoid)
		{
			if ((Object)(object)humanoid == (Object)null)
			{
				return false;
			}
			if (!IsWaterRestrictedItem(humanoid.m_rightItem) && !IsWaterRestrictedItem(humanoid.m_hiddenRightItem) && !IsWaterRestrictedItem(humanoid.m_leftItem) && !IsWaterRestrictedItem(humanoid.m_hiddenLeftItem) && !IsWaterRestrictedItem(humanoid.m_chestItem) && !IsWaterRestrictedItem(humanoid.m_legItem) && !IsWaterRestrictedItem(humanoid.m_helmetItem) && !IsWaterRestrictedItem(humanoid.m_shoulderItem) && !IsWaterRestrictedItem(humanoid.m_utilityItem))
			{
				return IsWaterRestrictedItem(humanoid.m_trinketItem);
			}
			return true;
		}

		private static void RefreshWaterEquipmentBlacklistIfNeeded(bool force = false)
		{
			string text = _waterEquipmentBlacklist?.Value ?? string.Empty;
			if (!force && string.Equals(text, _lastWaterEquipmentBlacklistRaw, StringComparison.Ordinal))
			{
				return;
			}
			lock (WaterEquipmentBlacklistLock)
			{
				if (force || !string.Equals(text, _lastWaterEquipmentBlacklistRaw, StringComparison.Ordinal))
				{
					_waterEquipmentBlacklistSet = (from entry in text.Split(new char[5] { ',', ';', '\n', '\r', '\t' }, StringSplitOptions.RemoveEmptyEntries)
						select entry.Trim() into entry
						where entry.Length > 0
						select entry).ToHashSet<string>(StringComparer.OrdinalIgnoreCase);
					_lastWaterEquipmentBlacklistRaw = text;
				}
			}
		}

		public void Awake()
		{
			bool saveOnConfigSet = ((BaseUnityPlugin)this).Config.SaveOnConfigSet;
			((BaseUnityPlugin)this).Config.SaveOnConfigSet = false;
			_serverConfigLocked = config("1 - General", "Lock Configuration", Toggle.On, "If on, the configuration is locked and can be changed by server admins only.");
			ConfigSync.AddLockingConfigEntry<Toggle>(_serverConfigLocked);
			InitializePlayerDiveConfig();
			InitializeMonsterDiveYaml();
			ClearRuntimeCaches();
			_harmony.PatchAll(Assembly.GetExecutingAssembly());
			DiveLocalization.Register();
			SetupWatcher();
			SetupMonsterDiveYamlWatcher();
			((BaseUnityPlugin)this).Config.Save();
			if (saveOnConfigSet)
			{
				((BaseUnityPlugin)this).Config.SaveOnConfigSet = saveOnConfigSet;
			}
		}

		private void OnDestroy()
		{
			_harmony.UnpatchSelf();
			UnderwaterVisualState.ResetAll();
			int num = RestoreAllTrackedMonsterDiveFlags();
			if (num > 0)
			{
				ServerSyncModTemplateLogger.LogInfo((object)$"Restored original dive flags for {num} monster instances.");
			}
			ClearRuntimeCaches();
			SaveWithRespectToConfigSet();
			DisposeConfigWatcher();
			DisposeMonsterDiveYamlWatcher();
		}

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

		private void DisposeConfigWatcher()
		{
			if (_watcher != null)
			{
				_watcher.Changed -= ReadConfigValues;
				_watcher.Created -= ReadConfigValues;
				_watcher.Renamed -= ReadConfigValues;
				_watcher.Dispose();
				_watcher = null;
			}
		}

		private void ReadConfigValues(object sender, FileSystemEventArgs e)
		{
			DateTime now = DateTime.Now;
			if (now.Ticks - _lastConfigReloadTime.Ticks < 10000000)
			{
				return;
			}
			_lastConfigReloadTime = now;
			lock (_reloadLock)
			{
				if (!File.Exists(ConfigFileFullPath))
				{
					ServerSyncModTemplateLogger.LogWarning((object)"Config file does not exist. Skipping reload.");
					return;
				}
				try
				{
					SaveWithRespectToConfigSet(reload: true);
					UnderwaterVisualState.ResetAll();
					ClearRuntimeCaches();
					ServerSyncModTemplateLogger.LogInfo((object)"Configuration reload complete.");
				}
				catch (Exception ex)
				{
					ServerSyncModTemplateLogger.LogError((object)("Error reloading configuration: " + ex.Message));
				}
			}
		}

		private void SaveWithRespectToConfigSet(bool reload = false)
		{
			bool saveOnConfigSet = ((BaseUnityPlugin)this).Config.SaveOnConfigSet;
			((BaseUnityPlugin)this).Config.SaveOnConfigSet = false;
			if (reload)
			{
				((BaseUnityPlugin)this).Config.Reload();
			}
			((BaseUnityPlugin)this).Config.Save();
			if (saveOnConfigSet)
			{
				((BaseUnityPlugin)this).Config.SaveOnConfigSet = saveOnConfigSet;
			}
		}

		private ConfigEntry<T> config<T>(string group, string name, T value, ConfigDescription description, bool synchronizedSetting = true)
		{
			//IL_002a: Unknown result type (might be due to invalid IL or missing references)
			//IL_0030: Expected O, but got Unknown
			ConfigDescription val = new ConfigDescription(description.Description + (synchronizedSetting ? " [Synced with Server]" : " [Not Synced with Server]"), description.AcceptableValues, description.Tags);
			ConfigEntry<T> val2 = ((BaseUnityPlugin)this).Config.Bind<T>(group, name, value, val);
			ConfigSync.AddConfigEntry<T>(val2).SynchronizedConfig = synchronizedSetting;
			return val2;
		}

		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);
		}

		private static bool TryGetConfiguredDiveProfile(MonsterAI monsterAI, out ConfiguredDiveProfile configuredDiveProfile)
		{
			if ((Object)(object)monsterAI == (Object)null)
			{
				configuredDiveProfile = default(ConfiguredDiveProfile);
				return false;
			}
			string prefabName = Utils.GetPrefabName(((Component)monsterAI).gameObject);
			return _configuredDiveProfilesByPrefabName.TryGetValue(prefabName, out configuredDiveProfile);
		}

		private static bool IsConfiguredMonster(MonsterAI monsterAI)
		{
			ConfiguredDiveProfile configuredDiveProfile;
			return TryGetConfiguredDiveProfile(monsterAI, out configuredDiveProfile);
		}

		private static bool TryGetConfiguredMonster(BaseAI ai, out MonsterAI monsterAI)
		{
			MonsterAI val = (MonsterAI)(object)((ai is MonsterAI) ? ai : null);
			if (val != null && IsConfiguredMonster(val))
			{
				monsterAI = val;
				return true;
			}
			monsterAI = null;
			return false;
		}

		private static bool ShouldUseWaterDiveMode(MonsterAI monsterAI)
		{
			Character character = ((BaseAI)monsterAI).m_character;
			if ((Object)(object)character == (Object)null)
			{
				return false;
			}
			if (character.InWater())
			{
				return character.InLiquidDepth() > 0.05f;
			}
			return false;
		}

		private static bool IsPassiveDiveState(MonsterAI monsterAI)
		{
			if (!((BaseAI)monsterAI).IsAlerted() && (Object)(object)monsterAI.m_targetCreature == (Object)null)
			{
				return (Object)(object)monsterAI.m_targetStatic == (Object)null;
			}
			return false;
		}

		private static void EnsureDiveFlags(MonsterAI monsterAI)
		{
			TrackOriginalDiveFlags(monsterAI);
			if (((BaseAI)monsterAI).m_avoidWater)
			{
				((BaseAI)monsterAI).m_avoidWater = false;
			}
			EnsureAvoidLandForCurrentDiveState(monsterAI);
			Character character = ((BaseAI)monsterAI).m_character;
			if ((Object)(object)character != (Object)null && !character.m_canSwim)
			{
				character.m_canSwim = true;
			}
		}

		private static void EnsureAvoidLandForCurrentDiveState(MonsterAI monsterAI)
		{
			if (ShouldUseWaterDiveMode(monsterAI))
			{
				if (monsterAI.m_avoidLand)
				{
					monsterAI.m_avoidLand = false;
				}
				return;
			}
			int instanceID = ((Object)monsterAI).GetInstanceID();
			if (OriginalDiveFlagsByInstance.TryGetValue(instanceID, out var value) && monsterAI.m_avoidLand != value.AvoidLand)
			{
				monsterAI.m_avoidLand = value.AvoidLand;
			}
		}

		private static void TrackOriginalDiveFlags(MonsterAI monsterAI)
		{
			if (!Object.op_Implicit((Object)(object)monsterAI))
			{
				return;
			}
			int instanceID = ((Object)monsterAI).GetInstanceID();
			if (!OriginalDiveFlagsByInstance.ContainsKey(instanceID))
			{
				Character character = ((BaseAI)monsterAI).m_character;
				OriginalDiveFlagsByInstance[instanceID] = new OriginalDiveFlags(monsterAI, ((BaseAI)monsterAI).m_avoidWater, monsterAI.m_avoidLand, (Object)(object)character != (Object)null && character.m_canSwim);
				if (OriginalDiveFlagsByInstance.Count > 2048)
				{
					PruneTrackedOriginalDiveFlags();
				}
			}
		}

		private static int RestoreRemovedMonsterDiveFlags()
		{
			if (OriginalDiveFlagsByInstance.Count == 0)
			{
				return 0;
			}
			List<int> list = new List<int>();
			int num = 0;
			foreach (KeyValuePair<int, OriginalDiveFlags> item in OriginalDiveFlagsByInstance)
			{
				int key = item.Key;
				OriginalDiveFlags value = item.Value;
				MonsterAI monsterAI = value.MonsterAI;
				if (!Object.op_Implicit((Object)(object)monsterAI))
				{
					list.Add(key);
				}
				else if (!IsConfiguredMonster(monsterAI))
				{
					RestoreOriginalDiveFlags(value);
					list.Add(key);
					num++;
				}
			}
			foreach (int item2 in list)
			{
				OriginalDiveFlagsByInstance.Remove(item2);
			}
			return num;
		}

		private static int RestoreAllTrackedMonsterDiveFlags()
		{
			if (OriginalDiveFlagsByInstance.Count == 0)
			{
				return 0;
			}
			int num = 0;
			foreach (OriginalDiveFlags value in OriginalDiveFlagsByInstance.Values)
			{
				if (Object.op_Implicit((Object)(object)value.MonsterAI))
				{
					RestoreOriginalDiveFlags(value);
					num++;
				}
			}
			OriginalDiveFlagsByInstance.Clear();
			return num;
		}

		private static void RestoreOriginalDiveFlags(OriginalDiveFlags originalFlags)
		{
			MonsterAI monsterAI = originalFlags.MonsterAI;
			if (Object.op_Implicit((Object)(object)monsterAI))
			{
				((BaseAI)monsterAI).m_avoidWater = originalFlags.AvoidWater;
				monsterAI.m_avoidLand = originalFlags.AvoidLand;
				Character character = ((BaseAI)monsterAI).m_character;
				if ((Object)(object)character != (Object)null)
				{
					character.m_canSwim = originalFlags.CanSwim;
				}
			}
		}

		private static void PruneTrackedOriginalDiveFlags()
		{
			if (OriginalDiveFlagsByInstance.Count == 0)
			{
				return;
			}
			List<int> list = new List<int>();
			foreach (KeyValuePair<int, OriginalDiveFlags> item in OriginalDiveFlagsByInstance)
			{
				int key = item.Key;
				if (!Object.op_Implicit((Object)(object)item.Value.MonsterAI))
				{
					list.Add(key);
				}
			}
			foreach (int item2 in list)
			{
				OriginalDiveFlagsByInstance.Remove(item2);
			}
		}

		private static Vector3Int ToCacheBucket(Vector3 value)
		{
			//IL_0000: 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_0022: 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)
			return new Vector3Int(Mathf.RoundToInt(value.x / 0.1f), Mathf.RoundToInt(value.y / 0.1f), Mathf.RoundToInt(value.z / 0.1f));
		}

		private static void ClearRuntimeCaches()
		{
			MovePlanCache.Clear();
		}

		private static void TrimCachesIfNeeded()
		{
			if (MovePlanCache.Count > 2048)
			{
				MovePlanCache.Clear();
			}
		}

		private static float GetPassiveDesiredDepth(MonsterAI monsterAI, PassiveDepthProfile profile)
		{
			int num = Mathf.Abs(((Object)monsterAI).GetInstanceID());
			float num2 = Mathf.Sin(Mathf.Repeat(Time.time + (float)(num % 997) * 0.173f, 12f) / 12f * (float)Math.PI * 2f);
			float num3 = Mathf.Max(0f, profile.CenterDepth - profile.MinDepth);
			float num4 = Mathf.Max(0f, profile.MaxDepth - profile.CenterDepth);
			if (!(num2 >= 0f))
			{
				return profile.CenterDepth + num2 * num3;
			}
			return profile.CenterDepth + num2 * num4;
		}

		private static SwimDepthGoal CalculateSwimDepthGoal(MonsterAI monsterAI, Character character, Vector3 point)
		{
			//IL_0031: Unknown result type (might be due to invalid IL or missing references)
			TryGetConfiguredDiveProfile(monsterAI, out var configuredDiveProfile);
			float liquidLevel = character.GetLiquidLevel();
			float adjustSpeed;
			float num;
			bool flag;
			if (IsPassiveDiveState(monsterAI))
			{
				num = GetPassiveDesiredDepth(monsterAI, configuredDiveProfile.PassiveDepthProfile);
				flag = true;
				adjustSpeed = 2f;
			}
			else
			{
				float num2 = liquidLevel - point.y;
				num = Mathf.Clamp(num2, 0.25f, 300f);
				flag = num2 < 0.25f || num2 > 300f;
				adjustSpeed = configuredDiveProfile.ActiveDepthAdjustSpeed;
			}
			float num3 = num;
			num = ClampSwimDepthForBottomContact(character, num);
			flag = flag || num < num3 - 0.001f;
			float clampedTargetY = liquidLevel - num;
			return new SwimDepthGoal(num, clampedTargetY, flag, adjustSpeed);
		}

		private static void ApplySwimDepthGoal(Character character, SwimDepthGoal goal, float dt)
		{
			if (goal.AdjustSpeed <= 0f)
			{
				character.m_swimDepth = goal.DesiredDepth;
				return;
			}
			float num = goal.AdjustSpeed * Mathf.Max(dt, 0.01f);
			character.m_swimDepth = Mathf.MoveTowards(character.m_swimDepth, goal.DesiredDepth, num);
		}

		private static float ClampSwimDepthForBottomContact(Character character, float desiredDepth)
		{
			return UnderwaterDepthUtils.ClampDepthAboveBottom(character, desiredDepth, 0.25f);
		}

		private static UnderwaterNavigationPlan BuildUnderwaterNavigationPlan(BaseAI ai, Character character, Vector3 targetPoint)
		{
			//IL_000d: Unknown result type (might be due to invalid IL or missing references)
			//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_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)
			//IL_001e: 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)
			//IL_008c: 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_0097: 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_0055: 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_006b: Unknown result type (might be due to invalid IL or missing references)
			int instanceID = ((Object)ai).GetInstanceID();
			Vector3Int val = ToCacheBucket(((Component)ai).transform.position);
			Vector3Int val2 = ToCacheBucket(targetPoint);
			float time = Time.time;
			if (MovePlanCache.TryGetValue(instanceID, out var value) && time - value.Time <= 0.1f && value.PositionBucket == val && value.TargetBucket == val2)
			{
				return new UnderwaterNavigationPlan(value.HasRoute, value.Direction);
			}
			UnderwaterNavigationPlan result = CalculateUnderwaterNavigationPlan(ai, character, targetPoint);
			TrimCachesIfNeeded();
			MovePlanCache[instanceID] = new MovePlanCacheEntry(time, val, val2, result.HasRoute, result.Direction);
			return result;
		}

		private static UnderwaterNavigationPlan CalculateUnderwaterNavigationPlan(BaseAI ai, Character character, Vector3 targetPoint)
		{
			//IL_0000: Unknown result type (might be due to invalid IL or missing references)
			//IL_0007: 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)
			//IL_0011: 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_0040: Unknown result type (might be due to invalid IL or missing references)
			//IL_0052: Unknown result type (might be due to invalid IL or missing references)
			//IL_0059: 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_0080: 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_00aa: 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)
			//IL_00bd: 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_00e7: 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_00ed: Unknown result type (might be due to invalid IL or missing references)
			//IL_00f2: 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_016c: 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_0179: Unknown result type (might be due to invalid IL or missing references)
			//IL_0115: 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_0198: 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_019d: Unknown result type (might be due to invalid IL or missing references)
			//IL_01a1: 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_0155: Unknown result type (might be due to invalid IL or missing references)
			Vector3 val = targetPoint - ((Component)ai).transform.position;
			if (((Vector3)(ref val)).sqrMagnitude <= 0.0001f)
			{
				return new UnderwaterNavigationPlan(hasRoute: true, Vector3.zero);
			}
			((Vector3)(ref val)).Normalize();
			Vector3 val2 = default(Vector3);
			((Vector3)(ref val2))..ctor(val.x, 0f, val.z);
			float radius = character.GetRadius();
			float num = Utils.DistanceXZ(targetPoint, ((Component)ai).transform.position);
			float num2 = Mathf.Clamp(num, radius + 1f, 6f);
			if (num <= radius + 0.6f)
			{
				return new UnderwaterNavigationPlan(hasRoute: true, val);
			}
			if (((Vector3)(ref val2)).sqrMagnitude <= 0.0001f)
			{
				return new UnderwaterNavigationPlan(hasRoute: true, val);
			}
			((Vector3)(ref val2)).Normalize();
			Vector3 centerPoint = character.GetCenterPoint();
			int num3 = Mathf.Clamp(8, 3, SteerAngles.Length);
			Vector3 val3 = val2;
			bool hasRoute = false;
			float num4 = float.NegativeInfinity;
			for (int i = 0; i < num3; i++)
			{
				float num5 = SteerAngles[i];
				Vector3 val4 = Quaternion.Euler(0f, num5, 0f) * val2;
				float num6;
				bool flag;
				if (ai.CanMove(val4, radius, num2))
				{
					num6 = 1000f - Mathf.Abs(num5);
					flag = true;
				}
				else
				{
					float num7 = ai.Raycast(centerPoint, val4, num2 * 2f, 0.1f);
					num6 = num7 - Mathf.Abs(num5) * 0.01f;
					flag = num7 >= num2 * 0.9f;
				}
				if (num6 > num4)
				{
					num4 = num6;
					val3 = val4;
					hasRoute = flag;
				}
			}
			Vector3 val5 = default(Vector3);
			((Vector3)(ref val5))..ctor(val3.x, val.y, val3.z);
			Vector3 direction = ((((Vector3)(ref val5)).sqrMagnitude > 0.0001f) ? ((Vector3)(ref val5)).normalized : val);
			return new UnderwaterNavigationPlan(hasRoute, direction);
		}

		static ServerSyncModTemplatePlugin()
		{
			string configPath = Paths.ConfigPath;
			char directorySeparatorChar = Path.DirectorySeparatorChar;
			MonsterDiveYamlFileFullPath = configPath + directorySeparatorChar + MonsterDiveYamlFileName;
			MonsterDiveYamlLock = new object();
			MonsterDiveYamlDeserializer = new DeserializerBuilder().WithNamingConvention(UnderscoredNamingConvention.Instance).WithDuplicateKeyChecking().Build();
			_monsterDiveYamlSync = null;
			_waterEquipmentBlacklist = null;
			_surfaceStaminaRegenRateMultiplier = null;
			_midwaterStaminaRegenRateMultiplier = null;
			_surfaceEitrRegenRateMultiplier = null;
			_midwaterEitrRegenRateMultiplier = null;
			_midwaterIdleStaminaDrainPerDepth = null;
			_swimStaminaDrainMultiplierPerDepth = null;
			_playerSwimSkillSpeedMultiplier = null;
			_fastSwimSpeedMultiplier = null;
			_fastSwimStaminaDrainMultiplier = null;
			_playerDiveAscendShortcut = null;
			_playerDiveDescendShortcut = null;
			_underwaterDarknessFactor = null;
			_underwaterVisibilityFalloff = null;
			WaterEquipmentBlacklistLock = new object();
			_lastWaterEquipmentBlacklistRaw = string.Empty;
			_waterEquipmentBlacklistSet = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
			ConfigFileName = "sighsorry.DiveIn.cfg";
			string configPath2 = Paths.ConfigPath;
			directorySeparatorChar = Path.DirectorySeparatorChar;
			ConfigFileFullPath = configPath2 + directorySeparatorChar + ConfigFileName;
			ServerSyncModTemplateLogger = Logger.CreateLogSource("DiveIn");
			ConfigSync = new ConfigSync("sighsorry.DiveIn")
			{
				DisplayName = "DiveIn",
				CurrentVersion = "1.0.9",
				MinimumRequiredVersion = "1.0.9",
				ModRequired = true
			};
			_serverConfigLocked = null;
			_configuredDiveProfilesByPrefabName = new Dictionary<string, ConfiguredDiveProfile>(StringComparer.OrdinalIgnoreCase);
			OriginalDiveFlagsByInstance = new Dictionary<int, OriginalDiveFlags>();
			SteerAngles = new float[8] { 0f, -35f, 35f, -70f, 70f, -120f, 120f, 180f };
			MovePlanCache = new Dictionary<int, MovePlanCacheEntry>();
		}
	}
	internal static class DiveLocalization
	{
		private readonly struct DiveHintTranslation
		{
			internal string FastSwimOn { get; }

			internal string FastSwimOff { get; }

			internal string Descend { get; }

			internal string Ascend { get; }

			internal DiveHintTranslation(string fastSwimOn, string fastSwimOff, string descend, string ascend)
			{
				FastSwimOn = fastSwimOn;
				FastSwimOff = fastSwimOff;
				Descend = descend;
				Ascend = ascend;
			}
		}

		internal const string FastSwimOnKey = "$divein_fast_swim_on";

		internal const string FastSwimOffKey = "$divein_fast_swim_off";

		internal const string DescendKey = "$divein_descend";

		internal const string AscendKey = "$divein_ascend";

		private const string FastSwimOnWord = "divein_fast_swim_on";

		private const string FastSwimOffWord = "divein_fast_swim_off";

		private const string DescendWord = "divein_descend";

		private const string AscendWord = "divein_ascend";

		private const string EnglishLanguage = "english";

		private static readonly DiveHintTranslation English = new DiveHintTranslation("Fast Swim On", "Fast Swim Off", "Descend", "Ascend");

		private static readonly Dictionary<string, DiveHintTranslation> Translations = new Dictionary<string, DiveHintTranslation>(StringComparer.OrdinalIgnoreCase)
		{
			["english"] = English,
			["swedish"] = new DiveHintTranslation("Snabbsim på", "Snabbsim av", "Ner", "Upp"),
			["french"] = new DiveHintTranslation("Nage rapide ON", "Nage rapide OFF", "Descendre", "Monter"),
			["italian"] = new DiveHintTranslation("Nuoto veloce ON", "Nuoto veloce OFF", "Scendi", "Sali"),
			["german"] = new DiveHintTranslation("Schnellschwimmen an", "Schnellschwimmen aus", "Abtauchen", "Auftauchen"),
			["spanish"] = new DiveHintTranslation("Nado rápido ON", "Nado rápido OFF", "Bajar", "Subir"),
			["russian"] = new DiveHintTranslation("Быстрое плавание вкл.", "Быстрое плавание выкл.", "Вниз", "Вверх"),
			["finnish"] = new DiveHintTranslation("Nopea uinti päällä", "Nopea uinti pois", "Alas", "Ylös"),
			["danish"] = new DiveHintTranslation("Hurtig svømning til", "Hurtig svømning fra", "Ned", "Op"),
			["norwegian"] = new DiveHintTranslation("Rask svømming på", "Rask svømming av", "Ned", "Opp"),
			["turkish"] = new DiveHintTranslation("Hızlı yüzme açık", "Hızlı yüzme kapalı", "Alçal", "Yüksel"),
			["lithuanian"] = new DiveHintTranslation("Greitas plaukimas įj.", "Greitas plaukimas išj.", "Žemyn", "Aukštyn"),
			["czech"] = new DiveHintTranslation("Rychlé plavání zap.", "Rychlé plavání vyp.", "Dolů", "Nahoru"),
			["hungarian"] = new DiveHintTranslation("Gyors úszás be", "Gyors úszás ki", "Le", "Fel"),
			["slovak"] = new DiveHintTranslation("Rýchle plávanie zap.", "Rýchle plávanie vyp.", "Dole", "Hore"),
			["polish"] = new DiveHintTranslation("Szybkie pływanie wł.", "Szybkie pływanie wył.", "W dół", "W górę"),
			["dutch"] = new DiveHintTranslation("Snel zwemmen aan", "Snel zwemmen uit", "Omlaag", "Omhoog"),
			["portuguese_european"] = new DiveHintTranslation("Nado rápido ligado", "Nado rápido desligado", "Descer", "Subir"),
			["portuguese_brazilian"] = new DiveHintTranslation("Nado rápido ligado", "Nado rápido desligado", "Descer", "Subir"),
			["chinese"] = new DiveHintTranslation("快速游泳开", "快速游泳关", "下潜", "上浮"),
			["chinese_trad"] = new DiveHintTranslation("快速游泳開", "快速游泳關", "下潛", "上浮"),
			["japanese"] = new DiveHintTranslation("高速泳ぎ ON", "高速泳ぎ OFF", "潜る", "浮上"),
			["korean"] = new DiveHintTranslation("빠른 수영 켬", "빠른 수영 끔", "하강", "상승"),
			["thai"] = new DiveHintTranslation("ว\u0e48ายเร\u0e47ว เป\u0e34ด", "ว\u0e48ายเร\u0e47ว ป\u0e34ด", "ลง", "ข\u0e36\u0e49น"),
			["greek"] = new DiveHintTranslation("Γρήγορη κολύμβηση ON", "Γρήγορη κολύμβηση OFF", "Κάτω", "Πάνω"),
			["ukrainian"] = new DiveHintTranslation("Швидке плавання увімк.", "Швидке плавання вимк.", "Вниз", "Вгору"),
			["latvian"] = new DiveHintTranslation("Ātra peldēšana iesl.", "Ātra peldēšana izsl.", "Lejup", "Augšup")
		};

		internal static void Register()
		{
			if (Localization.instance != null)
			{
				Register(Localization.instance);
			}
		}

		internal static void Register(Localization localization)
		{
			if (localization != null)
			{
				DiveHintTranslation translation = GetTranslation(NormalizeLanguageName(localization.GetSelectedLanguage()));
				localization.AddWord("divein_fast_swim_on", translation.FastSwimOn);
				localization.AddWord("divein_fast_swim_off", translation.FastSwimOff);
				localization.AddWord("divein_descend", translation.Descend);
				localization.AddWord("divein_ascend", translation.Ascend);
			}
		}

		internal static string Localize(string key)
		{
			if (Localization.instance == null)
			{
				return GetEnglishText(key);
			}
			string text = Localization.instance.Localize(key);
			if (!text.Contains("$"))
			{
				return text;
			}
			return GetEnglishText(key);
		}

		private static DiveHintTranslation GetTranslation(string languageName)
		{
			if (!Translations.TryGetValue(languageName, out var value))
			{
				return English;
			}
			return value;
		}

		private static string NormalizeLanguageName(string languageName)
		{
			if (!string.IsNullOrWhiteSpace(languageName))
			{
				return languageName.Trim().Replace(" ", string.Empty).ToLowerInvariant();
			}
			return "english";
		}

		private static string GetEnglishText(string key)
		{
			return key switch
			{
				"$divein_fast_swim_on" => English.FastSwimOn, 
				"$divein_fast_swim_off" => English.FastSwimOff, 
				"$divein_descend" => English.Descend, 
				"$divein_ascend" => English.Ascend, 
				_ => key, 
			};
		}
	}
	[HarmonyPatch(typeof(Localization), "SetupLanguage")]
	internal static class LocalizationSetupLanguageDivePatch
	{
		private static void Postfix(Localization __instance)
		{
			DiveLocalization.Register(__instance);
		}
	}
	internal static class PlayerDiveUtils
	{
		internal static PlayerDiveController? EnsureLocalDiver()
		{
			Player localPlayer = Player.m_localPlayer;
			if ((Object)(object)localPlayer == (Object)null)
			{
				return null;
			}
			PlayerDiveController playerDiveController = PlayerDiveController.LocalInstance;
			if ((Object)(object)playerDiveController != (Object)null && (Object)(object)playerDiveController.Player == (Object)(object)localPlayer)
			{
				return playerDiveController;
			}
			if (!((Component)localPlayer).TryGetComponent<PlayerDiveController>(ref playerDiveController))
			{
				playerDiveController = ((Component)localPlayer).gameObject.AddComponent<PlayerDiveController>();
			}
			return playerDiveController;
		}

		internal static bool TryGetLocalDiver(Player player, out PlayerDiveController diver)
		{
			if (!IsValidLocalPlayer(player))
			{
				diver = null;
				return false;
			}
			PlayerDiveController playerDiveController = EnsureLocalDiver();
			if ((Object)(object)playerDiveController == (Object)null)
			{
				diver = null;
				return false;
			}
			diver = playerDiveController;
			return true;
		}

		internal static bool IsValidLocalPlayer(Player player)
		{
			if ((Object)(object)player != (Object)null)
			{
				return (Object)(object)player == (Object)(object)Player.m_localPlayer;
			}
			return false;
		}

		internal static bool TryGetUnderwaterLocalDiver(Player player, out PlayerDiveController diver)
		{
			diver = null;
			if (IsValidLocalPlayer(player) && TryGetLocalDiver(player, out diver))
			{
				return diver.ShouldTreatAsSwimming();
			}
			return false;
		}
	}
	internal sealed class PlayerDiveController : MonoBehaviour
	{
		private const float HeadUnderwaterTolerance = 0.01f;

		private const float MinimumSurfaceSwimDepth = 0.1f;

		private const float DivingSwimDepthOffset = 1.1f;

		private const float BottomAscendDepthStep = 0.75f;

		private const float CombatMovementSuppressionDuration = 0.1f;

		private float _surfaceSwimDepth = 2f;

		private bool _underwaterMovementActive;

		private bool _fastSwimEnabled;

		private bool _hasSwimSpeedOverride;

		private float _originalSwimSpeed;

		private float _activeSwimRunStaminaDrainMultiplier = 1f;

		private float _combatMovementSuppressedUntilTime;

		private int _swimmingUpdateContextDepth;

		private int _swimmingUpdateContextFrame = -1;

		internal static PlayerDiveController? LocalInstance { get; private set; }

		internal Player Player { get; private set; }

		private void Awake()
		{
			Player = ((Component)this).GetComponent<Player>();
			if ((Object)(object)Player == (Object)null)
			{
				Object.Destroy((Object)(object)this);
				return;
			}
			if ((Object)(object)Player != (Object)(object)Player.m_localPlayer)
			{
				Object.Destroy((Object)(object)this);
				return;
			}
			LocalInstance = this;
			_surfaceSwimDepth = Mathf.Max(0.1f, ((Character)Player).m_swimDepth);
		}

		private void OnDestroy()
		{
			if ((Object)(object)LocalInstance == (Object)(object)this)
			{
				LocalInstance = null;
			}
		}

		internal void DisableUnderwaterMovement()
		{
			_underwaterMovementActive = false;
			_fastSwimEnabled = false;
			ResetSwimDepthToDefault();
			ResetSwimSpeedOverride();
		}

		internal void ResetSwimDepthIfNotInWater()
		{
			if (!((Character)Player).InWater())
			{
				DisableUnderwaterMovement();
			}
		}

		internal void ResetSwimDepthToDefault()
		{
			((Character)Player).m_swimDepth = _surfaceSwimDepth;
		}

		internal bool CanDive()
		{
			//IL_0044: 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)
			if (ShouldForceDive())
			{
				return true;
			}
			if (!((Character)Player).InWater() || ((Character)Player).IsOnGround() || !((Character)Player).IsSwimming())
			{
				return false;
			}
			float num = default(float);
			Vector3 val = default(Vector3);
			if (((Character)Player).GetGroundHeight(((Component)Player).transform.position, ref num, ref val) && ((Component)Player).transform.position.y - num < 1f)
			{
				return false;
			}
			return true;
		}

		internal bool IsHeadUnderwater()
		{
			//IL_0035: 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)
			float num = (((Object)(object)((Character)Player).m_eye != (Object)null) ? ((Character)Player).m_eye.position.y : ((Component)Player).transform.position.y);
			return ((Character)Player).GetLiquidLevel() - num > 0.01f;
		}

		internal void RefreshUnderwaterMovementState()
		{
			if (!((Character)Player).InWater() || !IsHeadUnderwater())
			{
				_underwaterMovementActive = false;
			}
			else if (IsUnderSurface())
			{
				_underwaterMovementActive = true;
			}
		}

		internal bool ShouldForceSwimming()
		{
			if (_underwaterMovementActive && ((Character)Player).InWater())
			{
				return IsHeadUnderwater();
			}
			return false;
		}

		internal bool ShouldShowDiveKeyHints()
		{
			return ShouldTreatAsSwimming();
		}

		internal bool ShouldTreatAsSwimming()
		{
			if (((Character)Player).InWater())
			{
				if (!((Character)Player).IsSwimming())
				{
					return ShouldForceSwimming();
				}
				return true;
			}
			return false;
		}

		internal bool IsFastSwimEnabled()
		{
			if (ServerSyncModTemplatePlugin.IsSwimRunEnabled())
			{
				return _fastSwimEnabled;
			}
			return false;
		}

		internal void UpdateFastSwimToggle()
		{
			if (!ShouldShowDiveKeyHints() || !ServerSyncModTemplatePlugin.IsSwimRunEnabled())
			{
				_fastSwimEnabled = false;
			}
			else if (ZInput.GetButtonDown("Run") || ZInput.GetButtonDown("JoyRun"))
			{
				_fastSwimEnabled = !_fastSwimEnabled;
			}
		}

		internal void SuppressMovementForCombat()
		{
			_combatMovementSuppressedUntilTime = Mathf.Max(_combatMovementSuppressedUntilTime, Time.time + 0.1f);
		}

		internal bool IsMovementSuppressedForCombat()
		{
			return Time.time <= _combatMovementSuppressedUntilTime;
		}

		internal bool ShouldForceDive()
		{
			if (ShouldForceSwimming())
			{
				return !((Character)Player).IsOnGround();
			}
			return false;
		}

		internal void PrepareForcedSwimming()
		{
			ClampSwimDepthForBottomContact();
			((Character)Player).m_body.WakeUp();
			((Character)Player).m_lastGroundTouch = 0.3f;
			((Character)Player).m_swimTimer = 0f;
		}

		internal bool IsUnderSurface()
		{
			return ((Character)Player).m_swimDepth > _surfaceSwimDepth + 0.01f;
		}

		internal bool IsDiving()
		{
			return ((Character)Player).m_swimDepth > _surfaceSwimDepth + 1.1f;
		}

		internal bool IsSurfacing()
		{
			if (!IsDiving())
			{
				return IsUnderSurface();
			}
			return false;
		}

		internal bool IsIdleInWater()
		{
			//IL_000e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0013: Unknown result type (might be due to invalid IL or missing references)
			if (ShouldTreatAsSwimming())
			{
				Vector3 velocity = ((Character)Player).GetVelocity();
				return ((Vector3)(ref velocity)).magnitude < 1f;
			}
			return false;
		}

		internal void BeginSwimmingUpdateContext()
		{
			_swimmingUpdateContextDepth++;
			_swimmingUpdateContextFrame = Time.frameCount;
		}

		internal void EndSwimmingUpdateContext()
		{
			if (_swimmingUpdateContextDepth > 0)
			{
				_swimmingUpdateContextDepth--;
			}
			if (_swimmingUpdateContextDepth == 0)
			{
				_swimmingUpdateContextFrame = -1;
			}
		}

		internal bool IsInSwimmingUpdateContext()
		{
			if (_swimmingUpdateContextDepth > 0)
			{
				return _swimmingUpdateContextFrame == Time.frameCount;
			}
			return false;
		}

		internal void RegenWaterStamina(float dt)
		{
			float num = (IsHeadUnderwater() ? ServerSyncModTemplatePlugin._midwaterStaminaRegenRateMultiplier.Value : ServerSyncModTemplatePlugin._surfaceStaminaRegenRateMultiplier.Value);
			if (!(num <= 0f))
			{
				float maxStamina = ((Character)Player).GetMaxStamina();
				float num2 = 1f;
				if (((Character)Player).IsBlocking())
				{
					num2 *= 0.8f;
				}
				if (((Character)Player).InAttack() || ((Character)Player).InDodge() || ((Character)Player).m_wallRunning || ((Character)Player).IsEncumbered())
				{
					num2 = 0f;
				}
				float num3 = (Player.m_staminaRegen + (1f - Player.m_stamina / maxStamina) * Player.m_staminaRegen * Player.m_staminaRegenTimeMultiplier) * num2;
				float num4 = 1f;
				((Character)Player).m_seman.ModifyStaminaRegen(ref num4);
				num3 *= num4;
				num3 *= num;
				if (Player.m_stamina < maxStamina && Player.m_staminaRegenTimer <= 0f)
				{
					Player.m_stamina = Mathf.Min(maxStamina, Player.m_stamina + num3 * dt * Game.m_staminaRegenRate);
				}
			}
		}

		internal void ApplyIdleMidwaterStaminaDrain(float dt)
		{
			float num = Mathf.Max(0f, ServerSyncModTemplatePlugin._midwaterIdleStaminaDrainPerDepth.Value);
			if (!(num <= 0f) && IsHeadUnderwater() && IsIdleInWater())
			{
				float num2 = Mathf.Max(0f, ((Character)Player).InLiquidDepth()) * num;
				if (!(num2 <= 0f))
				{
					((Character)Player).UseStamina(num2 * dt);
				}
			}
		}

		internal void ApplyExtraSwimStaminaDrain(float dt)
		{
			float extraSwimStaminaDrainMultiplier = GetExtraSwimStaminaDrainMultiplier();
			if (!(extraSwimStaminaDrainMultiplier <= 1f))
			{
				float modifiedSwimStaminaDrain = GetModifiedSwimStaminaDrain();
				float num = extraSwimStaminaDrainMultiplier - 1f;
				if (!(num <= 0f))
				{
					((Character)Player).UseStamina(dt * modifiedSwimStaminaDrain * Game.m_moveStaminaRate * num);
				}
			}
		}

		internal void UpdateSwimSpeed()
		{
			ResetSwimSpeedOverride();
			float swimSkillSpeedMultiplier = GetSwimSkillSpeedMultiplier();
			float swimRunSpeedMultiplier = GetSwimRunSpeedMultiplier();
			_activeSwimRunStaminaDrainMultiplier = GetSwimRunStaminaDrainMultiplier();
			float num = swimSkillSpeedMultiplier * swimRunSpeedMultiplier;
			if (!Mathf.Approximately(num, 1f))
			{
				_originalSwimSpeed = ((Character)Player).m_swimSpeed;
				_hasSwimSpeedOverride = true;
				Player player = Player;
				((Character)player).m_swimSpeed = ((Character)player).m_swimSpeed * num;
			}
		}

		internal void ResetSwimSpeedOverride()
		{
			if (!_hasSwimSpeedOverride)
			{
				_activeSwimRunStaminaDrainMultiplier = 1f;
				return;
			}
			((Character)Player).m_swimSpeed = _originalSwimSpeed;
			_hasSwimSpeedOverride = false;
			_activeSwimRunStaminaDrainMultiplier = 1f;
		}

		private float GetSwimSkillSpeedMultiplier()
		{
			float skillFactor = Player.m_skills.GetSkillFactor((SkillType)103);
			float num = Mathf.Max(1f, ServerSyncModTemplatePlugin._playerSwimSkillSpeedMultiplier.Value);
			return Mathf.Lerp(1f, num, skillFactor);
		}

		private float GetSwimRunSpeedMultiplier()
		{
			if (!IsFastSwimEnabled() || !((Character)Player).HaveStamina(0f))
			{
				return 1f;
			}
			return Mathf.Max(1f, ServerSyncModTemplatePlugin._fastSwimSpeedMultiplier.Value);
		}

		private float GetSwimRunStaminaDrainMultiplier()
		{
			if (!IsFastSwimEnabled() || !((Character)Player).HaveStamina(0f))
			{
				return 1f;
			}
			return Mathf.Max(1f, ServerSyncModTemplatePlugin._fastSwimStaminaDrainMultiplier.Value);
		}

		private float GetModifiedSwimStaminaDrain()
		{
			float skillFactor = Player.m_skills.GetSkillFactor((SkillType)103);
			float num = Mathf.Lerp(Player.m_swimStaminaDrainMinSkill, Player.m_swimStaminaDrainMaxSkill, skillFactor);
			num += num * ((Character)Player).GetEquipmentSwimStaminaModifier();
			((Character)Player).m_seman.ModifySwimStaminaUsage(num, ref num, true);
			return num;
		}

		internal void Dive(float dt, bool ascend, out Vector3? defaultMoveDir)
		{
			//IL_0007: 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_0023: 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_0037: 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)
			defaultMoveDir = ((Character)Player).m_moveDir;
			((Character)Player).m_moveDir = GetDiveDirection(ascend);
			if (ascend)
			{
				EnsureAscendTargetFromBottom();
			}
			Vector3 val = CalculateSwimVelocity();
			float num = ((Character)Player).m_swimDepth - val.y * dt;
			((Character)Player).m_swimDepth = Mathf.Max(num, _surfaceSwimDepth);
		}

		private void EnsureAscendTargetFromBottom()
		{
			float num = ((Character)Player).InLiquidDepth();
			if (!(num <= _surfaceSwimDepth) && UnderwaterDepthUtils.IsAtUnderwaterBottom((Character)(object)Player))
			{
				float num2 = Mathf.Max(_surfaceSwimDepth, num - 0.75f);
				if (((Character)Player).m_swimDepth > num2)
				{
					((Character)Player).m_swimDepth = num2;
				}
				((Character)Player).m_body.WakeUp();
			}
		}

		private void ClampSwimDepthForBottomContact()
		{
			((Character)Player).m_swimDepth = UnderwaterDepthUtils.ClampDepthAboveBottom((Character)(object)Player, ((Character)Player).m_swimDepth, _surfaceSwimDepth);
		}

		private Vector3 GetDiveDirection(bool ascend)
		{
			//IL_000a: Unknown result type (might be due to invalid IL or missing references)
			//IL_0003: Unknown result type (might be due to invalid IL or missing references)
			//IL_000f: Unknown result type (might be due to invalid IL or missing references)
			//IL_0016: 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_004a: 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_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_0054: 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_0049: Unknown result type (might be due to invalid IL or missing references)
			Vector3 val = (ascend ? Vector3.up : Vector3.down);
			Vector3 val2 = ((Character)Player).m_moveDir;
			if (((Vector3)(ref val2)).magnitude < 0.1f)
			{
				float scale = ((ascend && IsSurfacing()) ? 0.6f : 0.05f);
				val2 = GetHorizontalLookDirection(scale);
			}
			Vector3 val3 = val2 + val;
			return ((Vector3)(ref val3)).normalized;
		}

		private Vector3 GetHorizontalLookDirection(float scale)
		{
			//IL_0006: 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)
			//IL_001f: 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)
			Vector3 lookDir = ((Character)Player).m_lookDir;
			lookDir.y = 0f;
			((Vector3)(ref lookDir)).Normalize();
			return lookDir * scale;
		}

		private Vector3 CalculateSwimVelocity()
		{
			//IL_003e: Unknown result type (might be due to invalid IL or missing references)
			//IL_004e: 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_0059: 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_0065: 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_0076: 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)
			float num = ((Character)Player).m_swimSpeed * ((Character)Player).GetAttackSpeedFactorMovement();
			if (((Character)Player).InMinorActionSlowdown())
			{
				num = 0f;
			}
			((Character)Player).m_seman.ApplyStatusEffectSpeedMods(ref num, ((Character)Player).m_moveDir);
			Vector3 val = ((Character)Player).m_moveDir * num;
			val = Vector3.Lerp(((Character)Player).m_currentVel, val, ((Character)Player).m_swimAcceleration);
			((Character)Player).AddPushbackForce(ref val);
			return val;
		}

		private float GetExtraSwimStaminaDrainMultiplier()
		{
			return GetDepthSwimStaminaDrainMultiplier() * Mathf.Max(1f, _activeSwimRunStaminaDrainMultiplier);
		}

		private float GetDepthSwimStaminaDrainMultiplier()
		{
			float num = Mathf.Max(0f, ServerSyncModTemplatePlugin._swimStaminaDrainMultiplierPerDepth.Value);
			float num2 = Mathf.Max(0f, ((Character)Player).InLiquidDepth());
			return 1f + num2 * num / 100f;
		}
	}
	[HarmonyPatch]
	internal static class PlayerDivePatches
	{
		private readonly struct SwimmingUpdateState
		{
			internal PlayerDiveController? Diver { get; }

			internal Vector3? OriginalMoveDir { get; }

			internal SwimmingUpdateState(PlayerDiveController? diver, Vector3? originalMoveDir)
			{
				Diver = diver;
				OriginalMoveDir = originalMoveDir;
			}
		}

		private readonly struct ResourceUpdateState
		{
			internal PlayerDiveController? Diver { get; }

			internal float Eitr { get; }

			internal ResourceUpdateState(PlayerDiveController? diver, float eitr)
			{
				Diver = diver;
				Eitr = eitr;
			}
		}

		[HarmonyPostfix]
		[HarmonyPatch(typeof(Player), "Awake")]
		private static void PlayerAwakePostfix(Player __instance)
		{
			if ((Object)(object)__instance == (Object)(object)Player.m_localPlayer)
			{
				PlayerDiveUtils.EnsureLocalDiver();
			}
		}

		[HarmonyPrefix]
		[HarmonyPatch(typeof(Character), "UpdateMotion")]
		private static void CharacterUpdateMotionPrefix(Character __instance)
		{
			if ((Object)(object)__instance != (Object)(object)Player.m_localPlayer)
			{
				return;
			}
			PlayerDiveController playerDiveController = PlayerDiveUtils.EnsureLocalDiver();
			if (!((Object)(object)playerDiveController == (Object)null))
			{
				playerDiveController.ResetSwimDepthIfNotInWater();
				playerDiveController.RefreshUnderwaterMovementState();
				playerDiveController.UpdateFastSwimToggle();
				if (playerDiveController.ShouldForceSwimming())
				{
					playerDiveController.PrepareForcedSwimming();
				}
			}
		}

		[HarmonyPrefix]
		[HarmonyPatch(typeof(Character), "UpdateSwimming")]
		private static void CharacterUpdateSwimmingPrefix(Character __instance, float dt, out SwimmingUpdateState __state)
		{
			if ((Object)(object)__instance != (Object)(object)Player.m_localPlayer)
			{
				__state = new SwimmingUpdateState(null, null);
				return;
			}
			PlayerDiveController playerDiveController = PlayerDiveUtils.EnsureLocalDiver();
			if ((Object)(object)playerDiveController == (Object)null)
			{
				__state = new SwimmingUpdateState(null, null);
				return;
			}
			playerDiveController.BeginSwimmingUpdateContext();
			__state = new SwimmingUpdateState(playerDiveController, null);
			playerDiveController.UpdateSwimSpeed();
			bool flag = playerDiveController.IsMovementSuppressedForCombat();
			if (!flag && ServerSyncModTemplatePlugin.IsDiveAscendInputHeld() && playerDiveController.IsUnderSurface())
			{
				playerDiveController.Dive(dt, ascend: true, out var defaultMoveDir);
				__state = new SwimmingUpdateState(playerDiveController, defaultMoveDir);
			}
			else if (!flag && ServerSyncModTemplatePlugin.IsDiveDescendInputHeld() && playerDiveController.CanDive())
			{
				playerDiveController.Dive(dt, ascend: false, out var defaultMoveDir2);
				__state = new SwimmingUpdateState(playerDiveController, defaultMoveDir2);
			}
			else if (__instance.IsOnGround() || !playerDiveController.IsDiving())
			{
				playerDiveController.ResetSwimDepthToDefault();
			}
		}

		[HarmonyPostfix]
		[HarmonyPatch(typeof(Character), "UpdateSwimming")]
		private static void CharacterUpdateSwimmingPostfix(Character __instance, ref SwimmingUpdateState __state)
		{
			//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)
			__state.Diver?.ResetSwimSpeedOverride();
			__state.Diver?.EndSwimmingUpdateContext();
			if (__state.OriginalMoveDir.HasValue)
			{
				__instance.m_moveDir = __state.OriginalMoveDir.Value;
				__state = default(SwimmingUpdateState);
			}
		}

		[HarmonyPrefix]
		[HarmonyPatch(typeof(Character), "UpdateRotation")]
		private static void CharacterUpdateRotationPrefix(Character __instance, out Quaternion? __state)
		{
			//IL_0033: Unknown result type (might be due to invalid IL or missing references)
			if ((Object)(object)__instance != (Object)(object)Player.m_localPlayer)
			{
				__state = null;
				return;
			}
			PlayerDiveController playerDiveController = PlayerDiveUtils.EnsureLocalDiver();
			if ((Object)(object)playerDiveController != (Object)null && playerDiveController.IsInSwimmingUpdateContext())
			{
				__state = ((Component)__instance).transform.rotation;
			}
			else
			{
				__state = null;
			}
		}

		[HarmonyPostfix]
		[HarmonyPatch(typeof(Character), "UpdateRotation")]
		private static void CharacterUpdateRotationPostfix(Character __instance, float turnSpeed, float dt, ref Quaternion? __state)
		{
			//IL_0025: Unknown result type (might be due to invalid IL or missing references)
			//IL_002b: 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_0068: Unknown result type (might be due to invalid IL or missing references)
			//IL_006d: Unknown result type (might be due to invalid IL or missing references)
			//IL_008c: 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)
			//IL_00a7: 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_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)
			if (__state.HasValue && !((Object)(object)__instance == (Object)null) && !((Object)(object)__instance != (Object)(object)Player.m_localPlayer) && !(((Component)__instance).transform.rotation != __state.Value))
			{
				PlayerDiveController playerDiveController = PlayerDiveUtils.EnsureLocalDiver();
				if (!((Object)(object)playerDiveController == (Object)null) && playerDiveController.IsInSwimmingUpdateContext() && playerDiveController.IsUnderSurface())
				{
					Player player = playerDiveController.Player;
					Quaternion val = ((((Character)player).AlwaysRotateCamera() || ((Character)player).m_moveDir == Vector3.zero) ? ((Character)player).m_lookYaw : Quaternion.LookRotation(((Character)player).m_moveDir));
					float num = turnSpeed * ((Character)player).GetAttackSpeedFactorRotation();
					((Component)player).transform.rotation = Quaternion.RotateTowards(((Component)player).transform.rotation, val, num * dt);
				}
			}
		}

		[HarmonyPrefix]
		[HarmonyPatch(typeof(Player), "OnSwimming")]
		private static void PlayerOnSwimmingPrefix(Player __instance, Vector3 targetVel, float dt)
		{
			if (!((Object)(object)__instance != (Object)(object)Player.m_localPlayer))
			{
				PlayerDiveController playerDiveController = PlayerDiveUtils.EnsureLocalDiver();
				if (!((Object)(object)playerDiveController == (Object)null))
				{
					playerDiveController.RegenWaterStamina(dt);
					playerDiveController.ApplyIdleMidwaterStaminaDrain(dt);
				}
			}
		}

		[HarmonyPostfix]
		[HarmonyPatch(typeof(Player), "OnSwimming")]
		private static void PlayerOnSwimmingPostfix(Player __instance, Vector3 targetVel, float dt)
		{
			if (!((Object)(object)__instance != (Object)(object)Player.m_localPlayer) && !(((Vector3)(ref targetVel)).magnitude < 0.1f))
			{
				PlayerDiveController playerDiveController = PlayerDiveUtils.EnsureLocalDiver();
				if (!((Object)(object)playerDiveController == (Object)null))
				{
					playerDiveController.ApplyExtraSwimStaminaDrain(dt);
				}
			}
		}

		[HarmonyPrefix]
		[HarmonyPatch(typeof(Player), "UpdateStats", new Type[] { typeof(float) })]
		private static void PlayerUpdateStatsPrefix(Player __instance, out ResourceUpdateState __state)
		{
			__state = default(ResourceUpdateState);
			if (!((Object)(object)__instance != (Object)(object)Player.m_localPlayer) && PlayerDiveUtils.TryGetLocalDiver(__instance, out PlayerDiveController diver) && diver.ShouldTreatAsSwimming())
			{
				__state = new ResourceUpdateState(diver, __instance.m_eitr);
			}
		}

		[HarmonyPostfix]
		[HarmonyPatch(typeof(Player), "UpdateStats", new Type[] { typeof(float) })]
		private static void PlayerUpdateStatsPostfix(Player __instance, ref ResourceUpdateState __state)
		{
			if ((Object)(object)__state.Diver == (Object)null)
			{
				return;
			}
			float num = __instance.m_eitr - __state.Eitr;
			if (num <= 0f)
			{
				return;
			}
			float num2 = (__state.Diver.IsHeadUnderwater() ? ServerSyncModTemplatePlugin._midwaterEitrRegenRateMultiplier.Value : ServerSyncModTemplatePlugin._surfaceEitrRegenRateMultiplier.Value);
			if (!(num2 >= 1f))
			{
				__instance.m_eitr = Mathf.Min(((Character)__instance).GetMaxEitr(), __state.Eitr + num * Mathf.Clamp01(num2));
				if ((Object)(object)((Character)__instance).m_nview != (Object)null && ((Character)__instance).m_nview.IsValid())
				{
					((Character)__instance).m_nview.GetZDO().Set(ZDOVars.s_eitr, __instance.m_eitr);
				}
			}
		}
	}
	[HarmonyPatch]
	internal static class PlayerDiveKeyHints
	{
		private enum InputHintMode
		{
			Keyboard,
			Gamepad
		}

		private sealed class DiveHintCell
		{
			public GameObject Root { get; }

			private TMP_Text? Label { get; }

			private TMP_Text? Key { get; }

			private TMP_Text[] ExtraTexts { get; }

			public bool IsValid
			{
				get
				{
					if (Object.op_Implicit((Object)(object)Root) && (Object)(object)Label != (Object)null)
					{
						return (Object)(object)Key != (Object)null;
					}
					return false;
				}
			}

			public DiveHintCell(GameObject root)
			{
				Root = root;
				TMP_Text[] array = root.GetComponentsInChildren<TMP_Text>(true).ToArray();
				Key = FindKeyText(array);
				Label = FindLabelText(array, Key);
				ExtraTexts = array.Where((TMP_Text text) => (Object)(object)text != (Object)(object)Label && (Object)(object)text != (Object)(object)Key).ToArray();
			}

			public void Configure(string label, string keyText)
			{
				if (IsValid)
				{
					((Component)Label).gameObject.SetActive(true);
					Label.text = label;
					TMP_Text[] extraTexts = ExtraTexts;
					for (int i = 0; i < extraTexts.Length; i++)
					{
						((Component)extraTexts[i]).gameObject.SetActive(false);
					}
					((Component)Key).gameObject.SetActive(true);
					Key.text = keyText;
				}
			}

			public void SetActive(bool active)
			{
				if (Object.op_Implicit((Object)(object)Root))
				{
					Root.SetActive(active);
				}
			}

			public void Destroy()
			{
				if (Object.op_Implicit((Object)(object)Root))
				{
					Object.Destroy((Object)(object)Root);
				}
			}
		}

		private sealed class DiveHintSet
		{
			public GameObject? Root { get; }

			public DiveHintCell RunHint { get; }

			public DiveHintCell DescendHint { get; }

			public DiveHintCell AscendHint { get; }

			private bool ShowRunHint { get; set; } = true;


			public bool IsValid
			{
				get
				{
					if (RunHint.IsValid && DescendHint.IsValid && AscendHint.IsValid)
					{
						if (!((Object)(object)Root == (Object)null))
						{
							return Object.op_Implicit((Object)(object)Root);
						}
						return true;
					}
					return false;
				}
			}

			public DiveHintSet(GameObject? root, DiveHintCell runHint, DiveHintCell descendHint, DiveHintCell ascendHint)
			{
				Root = root;
				RunHint = runHint;
				DescendHint = descendHint;
				AscendHint = ascendHint;
			}

			public void Configure(bool showRunHint, string fastSwimLabel, string runKey, string descendKey, string ascendKey)
			{
				ShowRunHint = showRunHint;
				if (showRunHint)
				{
					RunHint.Configure(fastSwimLabel, runKey);
				}
				else
				{
					RunHint.SetActive(active: false);
				}
				DescendHint.Configure(DiveLocalization.Localize("$divein_descend"), descendKey);
				AscendHint.Configure(DiveLocalization.Localize("$divein_ascend"), ascendKey);
			}

			public void SetActive(bool active)
			{
				RunHint.SetActive(active && ShowRunHint);
				DescendHint.SetActive(active);
				AscendHint.SetActive(active);
				if (Object.op_Implicit((Object)(object)Root))
				{
					Root.SetActive(active);
				}
			}

			public void RebuildLayout()
			{
				PlayerDiveKeyHints.RebuildLayout((GameObject?)(((Object)(object)Root != (Object)null) ? ((object)Root) : ((object)DescendHint.Root)));
			}

			public void Destroy()
			{
				if (Object.op_Implicit((Object)(object)Root))
				{
					Object.Destroy((Object)(object)Root);
					return;
				}
				RunHint.Destroy();
				DescendHint.Destroy();
				AscendHint.Destroy();
			}
		}

		private const string SwimmingHintsRootName = "DiveIn_SwimmingHints";

		private const string RunHintName = "DiveIn_RunHint";

		private const string DescendHintName = "DiveIn_DescendHint";

		private const string AscendHintName = "DiveIn_AscendHint";

		private static KeyHints? _owner;

		private static DiveHintSet? _swimmingHints;

		private static DiveHintSet? _combatHints;

		private static InputHintMode _hintMode;

		private static readonly string[] KeyTextNameTokens = new string[6] { "key", "bind", "binding", "shortcut", "input", "button" };

		private static readonly string[] LabelTextNameTokens = new string[4] { "label", "action", "name", "title" };

		[HarmonyPostfix]
		[HarmonyPatch(typeof(KeyHints), "Awake")]
		private static void KeyHintsAwakePostfix(KeyHints __instance)
		{
			EnsureHints(__instance);
			UpdateDiveHints(__instance);
		}

		[HarmonyPostfix]
		[HarmonyPatch(typeof(KeyHints), "UpdateHints")]
		private static void KeyHintsUpdateHintsPostfix(KeyHints __instance)
		{
			UpdateDiveHints(__instance);
		}

		[HarmonyPostfix]
		[HarmonyPatch(typeof(KeyHints), "ApplySettings")]
		private static void KeyHintsApplySettingsPostfix(KeyHints __instance)
		{
			UpdateDiveHints(__instance);
		}

		private static void UpdateDiveHints(KeyHints keyHints)
		{
			Player localPlayer = Player.m_localPlayer;
			if (!CanShowKeyHints(keyHints, localPlayer) || !PlayerDiveUtils.TryGetLocalDiver(localPlayer, out PlayerDiveController diver) || !diver.ShouldShowDiveKeyHints())
			{
				SetAllHintsActive(active: false);
				return;
			}
			if (!EnsureHints(keyHints))
			{
				SetAllHintsActive(active: false);
				return;
			}
			bool flag = ServerSyncModTemplatePlugin.IsSwimRunEnabled();
			string runKey = (flag ? ServerSyncModTemplatePlugin.GetDiveRunKeyHint() : string.Empty);
			string fastSwimLabel = DiveLocalization.Localize(diver.IsFastSwimEnabled() ? "$divein_fast_swim_on" : "$divein_fast_swim_off");
			string diveDescendKeyHint = ServerSyncModTemplatePlugin.GetDiveDescendKeyHint();
			string diveAscendKeyHint = ServerSyncModTemplatePlugin.GetDiveAscendKeyHint();
			_swimmingHints?.Configure(flag, fastSwimLabel, runKey, diveDescendKeyHint, diveAscendKeyHint);
			_combatHints?.Configure(flag, fastSwimLabel, runKey, diveDescendKeyHint, diveAscendKeyHint);
			bool flag2 = (Object)(object)keyHints.m_combatHints != (Object)null && keyHints.m_combatHints.activeSelf;
			bool active = !flag2 && HasNoVisibleHandItems(localPlayer);
			_combatHints?.SetActive(flag2);
			_swimmingHints?.SetActive(active);
			_combatHints?.RebuildLayout();
			_swimmingHints?.RebuildLayout();
		}

		private static bool CanShowKeyHints(KeyHints keyHints, Player player)
		{
			if ((Object)(object)keyHints == (Object)null || !keyHints.m_keyHintsEnabled || (Object)(object)player == (Object)null || ((Character)player).IsDead())
			{
				return false;
			}
			if ((Object)(object)Chat.instance != (Object)null && Chat.instance.IsChatDialogWindowVisible())
			{
				return false;
			}
			if (Game.IsPaused() || InventoryGui.IsVisible())
			{
				return false;
			}
			if ((Object)(object)InventoryGui.instance != (Object)null && (InventoryGui.instance.IsSkillsPanelOpen || InventoryGui.instance.IsTrophisPanelOpen || InventoryGui.instance.IsTextPanelOpen))
			{
				return false;
			}
			if ((Object)(object)Hud.instance != (Object)null && Hud.instance.m_radialMenu.Active)
			{
				return false;
			}
			if (!((Character)player).InPlaceMode() && !PlayerCustomizaton.IsBarberGuiVisible())
			{
				return player.GetDoodadController() == null;
			}
			return false;
		}

		private static bool HasNoVisibleHandItems(Player player)
		{
			if (((Humanoid)player).m_rightItem == null)
			{
				return ((Humanoid)player).m_leftItem == null;
			}
			return false;
		}

		private static bool EnsureHints(KeyHints keyHints)
		{
			if ((Object)(object)keyHints == (Object)null || (Object)(object)keyHints.m_combatHints == (Object)null)
			{
				return false;
			}
			InputHintMode inputHintMode = GetInputHintMode();
			if ((Object)(object)_owner == (Object)(object)keyHints && _hintMode == inputHintMode)
			{
				DiveHintSet? swimmingHints = _swimmingHints;
				if (swimmingHints != null && swimmingHints.IsValid)
				{
					DiveHintSet? combatHints = _combatHints;
					if (combatHints != null && combatHints.IsValid)
					{
						return true;
					}
				}
			}
			DestroyHints();
			_owner = keyHints;
			_hintMode = inputHintMode;
			_swimmingHints = CreateSwimmingHints(keyHints, inputHintMode);
			_combatHints = CreateCombatHints(keyHints, inputHintMode);
			DiveHintSet? swimmingHints2 = _swimmingHints;
			if (swimmingHints2 != null && swimmingHints2.IsValid)
			{
				return _combatHints?.IsValid ?? false;
			}
			return false;
		}

		private static DiveHintSet? CreateSwimmingHints(KeyHints keyHints, InputHintMode mode)
		{
			Transform parent = keyHints.m_combatHints.transform.parent;
			GameObject val = Object.Instantiate<GameObject>(keyHints.m_combatHints, parent, false);
			((Object)val).name = "DiveIn_SwimmingHints";
			val.transform.SetSiblingIndex(keyHints.m_combatHints.transform.GetSiblingIndex());
			Transform hintParent = GetHintParent(val, mode);
			for (int i = 0; i < val.transform.childCount; i++)
			{
				Transform child = val.transform.GetChild(i);
				((Component)child).gameObject.SetActive((Object)(object)child == (Object)(object)hintParent);
			}
			GameObject[] templateHintCells = GetTemplateHintCells(hintParent);
			DiveHintSet diveHintSet = CreateHintSet(hintParent, val, templateHintCells, hideTemplateCells: true, "swimming");
			if (diveHintSet == null)
			{
				val.SetActive(false);
				return null;
			}
			diveHintSet.SetActive(active: false);
			return diveHintSet;
		}

		private static DiveHintSet? CreateCombatHints(KeyHints keyHints, InputHintMode mode)
		{
			Transform hintParent = GetHintParent(keyHints.m_combatHints, mode);
			GameObject[] templateHintCells = GetTemplateHintCells(hintParent);
			DiveHintSet diveHintSet = CreateHintSet(hintParent, null, templateHintCells, hideTemplateCells: false, "combat");
			if (diveHintSet == null)
			{
				return null;
			}
			diveHintSet.SetActive(active: false);
			return diveHintSet;
		}

		private static DiveHintSet? CreateHintSet(Transform hintParent, GameObject? root, GameObject[] templateCells, bool hideTemplateCells, string context)
		{
			if (templateCells.Length == 0)
			{
				ServerSyncModTemplatePlugin.ServerSyncModTemplateLogger.LogWarning((object)("Failed to create DiveIn " + context + " key hints: no combat hint template cells found."));
				return null;
			}
			if (hideTemplateCells)
			{
				for (int i = 0; i < templateCells.Length; i++)
				{
					templateCells[i].SetActive(false);
				}
			}
			DiveHintCell runHint = CreateHintCell(templateCells[0], "DiveIn_RunHint", hintParent, 0);
			DiveHintCell descendHint = CreateHintCell(templateCells[0], "DiveIn_DescendHint", hintParent, 1);
			DiveHintCell ascendHint = CreateHintCell(templateCells[0], "DiveIn_AscendHint", hintParent, 2);
			return new DiveHintSet(root, runHint, descendHint, ascendHint);
		}

		private static Transform GetHintParent(GameObject root, InputHintMode mode)
		{
			string name = ((mode == InputHintMode.Gamepad) ? "Gamepad" : "Keyboard");
			return FindHintParentWithTemplates(root, name) ?? FindHintParentWithTemplates(root, "Keyboard") ?? FindHintParentWithTemplates(root, "Gamepad") ?? root.transform;
		}

		private static InputHintMode GetInputHintMode()
		{
			if (!ZInput.IsGamepadActive())
			{
				return InputHintMode.Keyboard;
			}
			return InputHintMode.Gamepad;
		}

		private static Transform? FindHintParentWithTemplates(GameObject root, string name)
		{
			Transform val = root.transform.Find(name);
			if (!((Object)(object)val != (Object)null) || GetTemplateHintCells(val).Length == 0)
			{
				return null;
			}
			return val;
		}

		private static GameObject[] GetTemplateHintCells(Transform hintParent)
		{
			return (from Transform child in (IEnumerable)hintParent
				where !((Object)child).name.StartsWith("DiveIn_") && ((Component)child).GetComponentsInChildren<TMP_Text>(true).Length >= 2
				select ((Component)child).gameObject).ToArray();
		}

		private static TMP_Text? FindKeyText(TMP_Text[] texts)
		{
			if (texts.Length == 0)
			{
				return null;
			}
			return ((IEnumerable<TMP_Text>)texts).FirstOrDefault((Func<TMP_Text, bool>)((TMP_Text text) => HierarchyNameContainsToken(text, KeyTextNameTokens))) ?? ((IEnumerable<TMP_Text>)texts).FirstOrDefault((Func<TMP_Text, bool>)((TMP_Text text) => LooksLikeKeyBindingText(text.text))) ?? texts.OrderBy((TMP_Text text) => text.transform.position.x).LastOrDefault();
		}

		private static TMP_Text? FindLabelText(TMP_Text[] texts, TMP_Text? keyText)
		{
			TMP_Text keyText2 = keyText;
			TMP_Text[] array = texts.Where((TMP_Text text) => (Object)(object)text != (Object)(object)keyText2).ToArray();
			if (array.Length == 0)
			{
				return null;
			}
			return ((IEnumerable<TMP_Text>)array).FirstOrDefault((Func<TMP_Text, bool>)((TMP_Text text) => HierarchyNameContainsToken(text, LabelTextNameTokens))) ?? ((IEnumerable<TMP_Text>)array).FirstOrDefault((Func<TMP_Text, bool>)((TMP_Text text) => !LooksLikeKeyBindingText(text.text))) ?? array.OrderBy((TMP_Text text) => text.transform.position.x).FirstOrDefault();
		}

		private static bool HierarchyNameContainsToken(TMP_Text text, string[] tokens)
		{
			Transform val = text.transform;
			int num = 0;
			while ((Object)(object)val != (Object)null && num < 4)
			{
				string normalizedName = NormalizeIdentifier(((Object)val).name);
				if (!IsIgnoredHintContainerName(normalizedName) && tokens.Any((string token) => normalizedName.Contains(token)))
				{
					return true;
				}
				val = val.parent;
				num++;
			}
			return false;
		}

		private static bool IsIgnoredHintContainerName(string normalizedName)
		{
			if (!(normalizedName == "keyboard") && !(normalizedName == "gamepad"))
			{
				return normalizedName == "joystick";
			}
			return true;
		}

		private static bool LooksLikeKeyBindingText(string? text)
		{
			if (string.IsNullOrWhiteSpace(text))
			{
				return false;
			}
			string text2 = NormalizeIdentifier(text);
			if (!text2.Contains("mouse") && !text2.Contains("ctrl") && !text2.Contains("shift") && !text2.Contains("alt") && !text2.Contains("space") && !text2.Contains("button") && !text2.Contains("sprite"))
			{
				return text2.Length <= 2;
			}
			return true;
		}

		private static string NormalizeIdentifier(string? value)
		{
			if (string.IsNullOrEmpty(value))
			{
				return string.Empty;
			}
			return new string(value.Where(char.IsLetterOrDigit).Select(char.ToLowerInvariant).ToArray());
		}

		private static DiveHintCell CreateHintCell(GameObject template, string name, Transform parent, int siblingIndex)
		{
			GameObject obj = Object.Instantiate<GameObject>(template, parent, false);
			((Object)obj).name = name;
			obj.transform.SetSiblingIndex(siblingIndex);
			return new DiveHintCell(obj);
		}

		private static void SetAllHintsActive(bool active)
		{
			_swimmingHints?.SetActive(active);
			_combatHints?.SetActive(active);
		}

		private static void DestroyHints()
		{
			_swimmingHints?.Destroy();
			_combatHints?.Destroy();
			_swimmingHints = null;
			_combatHints = null;
		}

		private static void RebuildLayout(GameObject? hint)
		{
			if (!((Object)(object)hint == (Object)null))
			{
				Transform parent = hint.transform.parent;
				RectTransform val = (RectTransform)(object)((parent is RectTransform) ? parent : null);
				if (val != null)
				{
					LayoutRebuilder.ForceRebuildLayoutImmediate(val);
				}
			}
		}
	}
	internal static class UnderwaterDepthUtils
	{
		internal const float BottomSwimDepthClearance = 0.05f;

		private const float BottomContactProbeDistance = 0.75f;

		internal static float ClampDepthAboveBottom(Character character, float desiredDepth, float minimumDepth)
		{
			float num = character.InLiquidDepth();
			if (num <= 0f || !IsAtUnderwaterBottom(character))
			{
				return desiredDepth;
			}
			float num2 = Mathf.Max(minimumDepth, num - 0.05f);
			return Mathf.Min(desiredDepth, num2);
		}

		internal static bool IsAtUnderwaterBottom(Character character)
		{
			//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_0044: 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)
			if ((Object)(object)character == (Object)null || !character.InWater())
			{
				return false;
			}
			if (character.IsOnGround())
			{
				return true;
			}
			if ((Object)(object)ZoneSystem.instance == (Object)null)
			{
				return false;
			}
			float liquidLevel = character.GetLiquidLevel();
			Vector3 position = ((Component)character).transform.position;
			float solidHeight = ZoneSystem.instance.GetSolidHeight(position);
			if (solidHeight >= liquidLevel)
			{
				return false;
			}
			float num = position.y - solidHeight;
			float num2 = Mathf.Max(0.75f, character.GetRadius() * 0.5f);
			if (num >= -0.25f)
			{
				return num <= num2;
			}
			return false;
		}
	}
	public static class KeyboardExtensions
	{
		[SpecialName]
		public sealed class <G>$8D1D3E80A18AA9715780B6CB7003B2F1
		{
			[SpecialName]
			public static class <M>$895AB635D4D087636CF1C26BA650BA11
			{
			}

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

		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;
		}
	}
	internal static class UnderwaterVisualState
	{
		private static float? _originalMinWaterDistance;

		private static GameCamera? _cameraWithOverride;

		private static bool _fogOverrideActive;

		private static Color _originalFogColor;

		private static float _originalFogDensity;

		internal static void ApplyCameraOverride(GameCamera gameCamera)
		{
			float underwaterCameraMinWaterDistance = ServerSyncModTemplatePlugin.GetUnderwaterCameraMinWaterDistance();
			if (!_originalMinWaterDistance.HasValue)
			{
				_originalMinWaterDistance = gameCamera.m_minWaterDistance;
				_cameraWithOverride = gameCamera;
			}
			gameCamera.m_minWaterDistance = underwaterCameraMinWaterDistance;
		}

		internal static void ApplyFogOverride(PlayerDiveController diver)
		{
			//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)
			//IL_004e: 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_0053: 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_0080: 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_0086: Unknown result type (might be due to invalid IL or missing references)
			if ((Object)(object)EnvMan.instance == (Object)null)
			{
				return;
			}
			EnvSetup currentEnvironment = EnvMan.instance.GetCurrentEnvironment();
			if (currentEnvironment != null)
			{
				if (!_fogOverrideActive)
				{
					_originalFogColor = RenderSettings.fogColor;
					_originalFogDensity = RenderSettings.fogDensity;
					_fogOverrideActive = true;
				}
				Color color = ((!EnvMan.IsNight()) ? currentEnvironment.m_fogColorDay : currentEnvironment.m_fogColorNight);
				color.a = 1f;
				float underwaterDarknessAmount = GetUnderwaterDarknessAmount(((Character)diver.Player).m_swimDepth);
				float brightnessMultiplier = Mathf.Clamp01(1f - underwaterDarknessAmount);
				color = ApplyBrightnessMultiplier(color, brightnessMultiplier);
				RenderSettings.fogColor = color;
				float num = GetEnvironmentFogDensity(currentEnvironment) + ((Character)diver.Player).m_swimDepth * ServerSyncModTemplatePlugin.GetUnderwaterVisibilityFalloff();
				RenderSettings.fogDensity = Mathf.Max(0f, num);
			}
		}

		internal static void ResetAll()
		{
			ResetCameraAndFog();
			UnderwaterSurfaceRenderer.ResetAll();
		}

		internal static void ResetCameraAndFog()
		{
			ResetCamera();
			ResetFog();
		}

		internal static void ResetCamera()
		{
			GameCamera val = (GameCamera)(((Object)(object)_cameraWithOverride != (Object)null) ? ((object)_cameraWithOverride) : ((object)GameCamera.instance));
			if ((Object)(object)val != (Object)null && _originalMinWaterDistance.HasValue)
			{
				val.m_minWaterDistance = _originalMinWaterDistance.Value;
			}
			_originalMinWaterDistance = null;
			_cameraWithOverride = null;
		}

		internal static void ResetFog()
		{
			//IL_000e: Unknown result type (might be due to invalid IL or missing references)
			if (_fogOverrideActive)
			{
				_fogOverrideActive = false;
				RenderSettings.fogColor = _originalFogColor;
				RenderSettings.fogDensity = _originalFogDensity;
			}
		}

		private static float GetUnderwaterDarknessAmount(float swimDepth)
		{
			return Mathf.Clamp01(swimDepth * ServerSyncModTemplatePlugin.GetUnderwaterDarknessFactor());
		}

		private static Color ApplyBrightnessMultiplier(Color color, float brightnessMultiplier)
		{
			//IL_0007: Unknown result type (might be due to invalid IL or missing references)
			//IL_000f: 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_001f: 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)
			float num = Mathf.Clamp01(brightnessMultiplier);
			return new Color(color.r * num, color.g * num, color.b * num, color.a);
		}

		private static float GetEnvironmentFogDensity(EnvSetup environment)
		{
			if (EnvMan.IsNight())
			{
				return environment.m_fogDensityNight;
			}
			return environment.m_fogDensityDay;
		}
	}
	[HarmonyPatch]
	internal static class UnderwaterCameraPatches
	{
		private enum VisualMode
		{
			Disabled,
			Surface,
			Underwater
		}

		private static bool ShouldUseUnderwaterVisuals(PlayerDiveController diver)
		{
			if (((Character)diver.Player).InWater())
			{
				return diver.ShouldTreatAsSwimming();
			}
			return false;
		}

		private static bool ShouldAllowUnderwaterCamera(PlayerDiveController diver)
		{
			if (!diver.IsUnderSurface())
			{
				return diver.ShouldForceSwimming();
			}
			return true;
		}

		private static bool IsCameraUnderwater(Camera camera, PlayerDiveController diver)
		{
			//IL_0006: Unknown result type (might be due to invalid IL or missing references)
			return ((Component)camera).transform.position.y < ((Character)diver.Player).GetLiquidLevel();
		}

		private static VisualMode GetVisualMode(GameCamera? gameCamera, out PlayerDiveController? diver, out Camera? camera)
		{
			diver = null;
			camera = null;
			if ((Object)(object)gameCamera == (Object)null || !ServerSyncModTemplatePlugin.IsUnderwaterVisualStylingEnabled())
			{
				return VisualMode.Disabled;
			}
			diver = PlayerDiveUtils.EnsureLocalDiver();
			camera = gameCamera.m_camera;
			if ((Object)(object)diver == (Object)null || (Object)(object)camera == (Object)null || !ShouldUseUnderwaterVisuals(diver) || !ShouldAllowUnderwaterCamera(diver))
			{
				return VisualMode.Disabled;
			}
			if (!IsCameraUnderwater(camera, diver))
			{
				return VisualMode.Surface;
			}
			return VisualMode.Underwater;
		}

		[HarmonyPrefix]
		[HarmonyPatch(typeof(GameCamera), "UpdateCamera")]
		private static void GameCameraUpdateCameraPrefix(GameCamera __instance)
		{
			if (GetVisualMode(__instance, out PlayerDiveController _, out Camera _) == VisualMode.Disabled)
			{
				UnderwaterVisualState.ResetAll();
			}
			else
			{
				UnderwaterVisualState.ApplyCameraOverride(__instance);
			}
		}

		[HarmonyPostfix]
		[HarmonyPatch(typeof(GameCamera), "UpdateCamera")]
		private static void GameCameraUpdateCameraPostfix(GameCamera __instance)
		{
			PlayerDiveController diver;
			Camera camera;
			VisualMode visualMode = GetVisualMode(__instance, out diver, out camera);
			if (visualMode == VisualMode.Disabled || (Object)(object)diver == (Object)null)
			{
				UnderwaterVisualState.ResetAll();
			}
			else if (visualMode == VisualMode.Surface)
			{
				UnderwaterVisualState.ResetFog();
				UnderwaterSurfaceRenderer.ResetAll();
			}
			else
			{
				UnderwaterVisualState.ApplyCameraOverride(__instance);
				UnderwaterVisualState.ApplyFogOverride(diver);
			}
		}

		[HarmonyPrefix]
		[HarmonyPatch(typeof(WaterVolume), "UpdateMaterials")]
		private static void WaterVolumeUpdateMaterialsPrefix(WaterVolume __instance)
		{
			//IL_0046: 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)
			if ((Object)(object)__instance == (Object)null || (Object)(object)__instance.m_waterSurface == (Object)null)
			{
				UnderwaterSurfaceRenderer.Reset(__instance);
				return;
			}
			if (GetVisualMode(GameCamera.instance, out PlayerDiveController _, out Camera camera) != VisualMode.Underwater || (Object)(object)camera == (Object)null)
			{
				UnderwaterSurfaceRenderer.Reset(__instance);
				return;
			}
			float waterSurface = __instance.GetWaterSurface(((Component)camera).transform.position, 1f);
			if (((Component)camera).transform.position.y >= waterSurface)
			{
				UnderwaterSurfaceRenderer.Reset(__instance);
			}
			else
			{
				UnderwaterSurfaceRenderer.Apply(__instance, waterSurface);
			}
		}
	}
	internal static class UnderwaterSurfaceRenderer
	{
		private sealed class UnderwaterSurfaceState
		{
			private readonly float[] _forcedDepth = new float[4];

			public WaterVolume Volume { get; }

			public Transform SurfaceTransform { get; }

			public MeshRenderer? Renderer { get; }

			public Material? OriginalMaterial { get; }

			public Material? OverrideMaterial { get; private set; }

			public Vector3 OriginalPosition { get; }

			public Quaternion OriginalRotation { get; }

			public ShadowCastingMode OriginalShadowCastingMode { get; }

			public UnderwaterSurfaceState(WaterVolume volume)
			{
				//IL_0042: 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_0053: 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_0064: 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)
				Volume = volume;
				SurfaceTransform = ((Component)volume.m_waterSurface).transform;
				Renderer = ((Component)volume.m_waterSurface).GetComponent<MeshRenderer>();
				OriginalPosition = SurfaceTransform.position;
				OriginalRotation = SurfaceTransform.rotation;
				OriginalShadowCastingMode = ((Renderer)volume.m_waterSurface).shadowCastingMode;
				OriginalMaterial = (((Object)(object)Renderer != (Object)null) ? ((Renderer)Renderer).sharedMaterial : null);
				OverrideMaterial = (((Object)(object)OriginalMaterial != (Object)null) ? Object.Instantiate<Material>(OriginalMaterial) : null);
			}

			public bool CanRender()
			{
				if ((Object)(object)Volume != (Object)null && (Object)(object)Volume.m_waterSurface != (Object)null && (Object)(object)SurfaceTransform != (Object)null && (Object)(object)Renderer != (Object)null && (Object)(object)OriginalMaterial != (Object)null)
				{
					return (Object)(object)OverrideMaterial != (Object)null;
				}
				return false;
			}

			public void Apply(float waterLevel)
			{
				//IL_000f: 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_001b: 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_0028: 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_0042: 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)
				if (CanRender())
				{
					Vector3 position = SurfaceTransform.position;
					SurfaceTransform.SetPositionAndRotation(new Vector3(position.x, waterLevel, position.z), OriginalRotation * Quaternion.Euler(180f, 0f, 0f));
					((Renderer)Volume.m_waterSurface).shadowCastingMode = (ShadowCastingMode)2;
					if ((Object)(object)((Renderer)Renderer).sharedMaterial != (Object)(object)OverrideMaterial)
					{
						((Renderer)Renderer).sharedMaterial = OverrideMaterial;
					}
				}
			}

			public void Restore()
			{
				//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_0020: 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_0031: Unknown result type (might be due to invalid IL or missing references)
				//IL_0037: 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_0074: Unknown result type (might be due to invalid IL or missing references)
				if ((Object)(object)SurfaceTransform != (Object)null)
				{
					Vector3 position = SurfaceTransform.position;
					SurfaceTransform.SetPositionAndRotation(new Vector3(position.x, OriginalPosition.y, position.z), OriginalRotation);
				}
				if ((Object)(object)Volume != (Object)null && (Object)(object)Volume.m_waterSurface != (Object)null)
				{
					((Renderer)Volume.m_waterSurface).shadowCastingMode = OriginalShadowCastingMode;
				}
				if ((Object)(object)Renderer != (Object)null && (Object)(object)OriginalMaterial != (Object)null)
				{
					((Renderer)Renderer).sharedMaterial = OriginalMaterial;
				}
				if ((Object)(object)OverrideMaterial != (Object)null)
				{
					Object.Destroy((Object)(object)OverrideMaterial);
					OverrideMaterial = null;
				}
			}

			public float[] GetForcedDepthArray(float depth)
			{
				_forcedDepth[0] = depth;
				_forcedDepth[1] = depth;
				_forcedDepth[2] = depth;
				_forcedDepth[3] = depth;
				return _forcedDepth;
			}
		}

		private static readonly int DepthPropertyId = Shader.PropertyToID("_depth");

		private static readonly int UseGlobalWindPropertyId = Shader.PropertyToID("_UseGlobalWind");

		private static readonly Dictionary<int, UnderwaterSurfaceState> SurfaceStates = new Dictionary<int, UnderwaterSurfaceState>();

		internal static void Apply(WaterVolume volume, float waterLevel)
		{
			if (!((Object)(object)volume.m_waterSurface == (Object)null))
			{
				int instanceID = ((Object)volume).GetInstanceID();
				if (!SurfaceStates.TryGetValue(instanceID, out UnderwaterSurfaceState value))
				{
					value = new UnderwaterSurfaceState(volume);
					SurfaceStates[instanceID] = value;
				}
				if (!value.CanRender())
				{
					value.Restore();
					SurfaceStates.Remove(instanceID);
				}
				else
				{
					value.Apply(waterLevel);
					ApplyWaterMaterialOverride(value);
				}
			}
		}

		internal static void Reset(WaterVolume? volume)
		{
			if (!((Object)(object)volume == (Object)null) && SurfaceStates.TryGetValue(((Object)volume).GetInstanceID(), out UnderwaterSurfaceState value))
			{
				value.Restore();
				SurfaceStates.Remove(((Object)volume).GetInstanceID());
			}
		}

		internal static void ResetAll()
		{
			if (SurfaceStates.Count == 0)
			{
				return;
			}
			foreach (int item in SurfaceStates.Keys.ToList())
			{
				SurfaceStates[item].Restore();
				SurfaceStates.Remove(item);
			}
		}

		private static void ApplyWaterMaterialOverride(UnderwaterSurfaceState state)
		{
			Material overrideMaterial = state.OverrideMaterial;
			if ((Object)(object)overrideMaterial == (Object)null)
			{
				return;
			}
			if (overrideMaterial.HasProperty(DepthPropertyId))
			{
				if (state.Volume.m_forceDepth >= 0f)
				{
					overrideMaterial.SetFloatArray(DepthPropertyId, state.GetForcedDepthArray(state.Volume.m_forceDepth));
				}
				else
				{
					overrideMaterial.SetFloatArray(DepthPropertyId, state.Volume.m_normalizedDepth);
				}
			}
			if (overrideMaterial.HasProperty(UseGlobalWindPropertyId))
			{
				overrideMaterial.SetFloat(UseGlobalWindPropertyId, state.Volume.m_useGlobalWind ? 1f : 0f);
			}
		}
	}
	[HarmonyPatch]
	internal static class UnderwaterCombatPatches
	{
		[HarmonyPrefix]
		[HarmonyPatch(typeof(Player), "SetControls")]
		private static void PlayerSetControlsPrefix(Player __instance, ref Vector3 movedir, ref bool attack, ref bool attackHold, ref bool secondaryAttack, ref bool secondaryAttackHold, ref bool crouch, ref bool block, ref bool blockHold)
		{
			//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)
			if (PlayerDiveUtils.TryGetUnderwaterLocalDiver(__instance, out PlayerDiveController diver))
			{
				crouch = false;
				if (attack | attackHold | secondaryAttack | secondaryAttackHold | block | blockHold)
				{
					movedir = Vector3.zero;
					diver.SuppressMovementForCombat();
				}
				if ((block | blockHold) && CanForceShowHiddenBlocker(__instance))
				{
					((Humanoid)__instance).ShowHandItems(false, true);
				}
			}
		}

		[HarmonyPostfix]
		[HarmonyPatch(typeof(Character), "UpdateSwimming")]
		private static void CharacterUpdateSwimmingPostfix(Character __instance)
		{
			Player val = (Player)(object)((__instance is Player) ? __instance : null);
			if (val != null && ShouldShowUnderwaterGuardAnimation(val))
			{
				((Character)val).m_zanim.SetBool(Humanoid.s_blocking, true);
				((Character)val).m_zanim.SetBool(Character.s_inWater, false);
			}
		}

		private static bool CanForceShowHiddenBlocker(Player player)
		{
			if (PlayerDiveUtils.TryGetUnderwaterLocalDiver(player, out PlayerDiveController _) && !((Character)player).IsOnGround() && !((Character)player).InDodge() && HasHiddenBlocker(player))
			{
				return !HasWaterRestrictedHiddenBlocker(player);
			}
			return false;
		}

		private static bool ShouldShowUnderwaterGuardAnimation(Player player)
		{
			if (PlayerDiveUtils.TryGetUnderwaterLocalDiver(player, out PlayerDiveController _))
			{
				return ((Character)player).IsBlocking();
			}
			return false;
		}

		private static bool HasWaterRestrictedHiddenBlocker(Player player)
		{
			if (!IsWaterRestrictedHiddenBlocker(((Humanoid)player).m_hiddenRightItem))
			{
				return IsWaterRestrictedHiddenBlocker(((Humanoid)player).m_hiddenLeftItem);
			}
			return true;
		}

		private static bool HasHiddenBlocker(Player player)
		{
			if (!IsBlockableHiddenItem(((Humanoid)player).m_hiddenLeftItem))
			{
				return IsBlockableHiddenItem(((Humanoid)player).m_hiddenRightItem);
			}
			return true;
		}

		private static bool IsWaterRestrictedHiddenBlocker(ItemData? item)
		{
			if (IsBlockableHiddenItem(item))
			{
				return ServerSyncModTemplatePlugin.IsWaterRestrictedItem(item);
			}
			return false;
		}

		private static bool IsBlockableHiddenItem(ItemData? item)
		{
			if (item?.m_shared != null)
			{
				return item.m_shared.m_blockable;
			}
			return false;
		}
	}
	[HarmonyPatch]
	internal static class WaterEquipmentPatches
	{
		private static readonly CodeMatch[] SwimmingRestrictionPattern = (CodeMatch[])(object)new CodeMatch[5]
		{
			new CodeMatch((OpCode?)OpCodes.Ldarg_0, (object)null, (string)null),
			new CodeMatch((OpCode?)OpCodes.Call, (object)AccessTools.Method(typeof(Character), "IsSwimming", (Type[])null, (Type[])null), (string)null),
			new CodeMatch((OpCode?)OpCodes.Brfalse, (object)null, (string)null),
			new CodeMatch((OpCode?)OpCodes.Ldarg_0, (object)null, (string)null),
			new CodeMatch((OpCode?)OpCodes.Call, (object)AccessTools.Method(typeof(Character), "IsOnGround", (Type[])null, (Type[])null), (string)null)
		};

		private static readonly int SwimmingRestrictionInstructionCount = SwimmingRestrictionPattern.Length + 1;

		private static bool IsWaterEquipmentBypassTarget(Humanoid? humanoid)
		{
			Player val = (Player)(object)((humanoid is Player) ? humanoid : null);
			if (val != null)
			{
				return PlayerDiveUtils.IsValidLocalPlayer(val);
			}
			return false;
		}

		private static bool ShouldKeepWaterRestrictionForHumanoid(Humanoid humanoid)
		{
			if (IsWaterEquipmentBypassTarget(humanoid))
			{
				return ServerSyncModTemplatePlugin.HumanoidHasWaterRestrictedEquipment(humanoid);
			}
			return true;
		}

		private static bool ShouldKeepWaterRestrictionForEquipItem(Humanoid humanoid, ItemData item)
		{
			if (IsWaterEquipmentBypassTarget(humanoid))
			{
				return ServerSyncModTemplatePlugin.IsWaterRestrictedItem(item);
			}
			return true;
		}

		[HarmonyTranspiler]
		[HarmonyPatch(typeof(Humanoid), "UpdateEquipment")]
		private static IEnumerable<CodeInstruction> HumanoidUpdateEquipmentTranspiler(IEnumerable<CodeInstruction> instructions)
		{
			return InsertWaterEquipmentBypass<Humanoid>(instructions, "Humanoid.UpdateEquipment", OpCodes.Ldarg_0, ShouldKeepWaterRestrictionForHumanoid);
		}

		[HarmonyTranspiler]
		[HarmonyPatch(typeof(Humanoid), "EquipItem")]
		private static IEnumerable<CodeInstruction> HumanoidEquipItemTranspiler(IEnumerable<CodeInstruction> instructions)
		{
			return InsertWaterEquipmentBypass<Humanoid, ItemData>(instructions, "Humanoid.EquipItem", OpCodes.Ldarg_0, OpCodes.Ldarg_1, ShouldKeepWaterRestrictionForEquipItem);
		}

		[HarmonyPrefix]
		[HarmonyPatch(typeof(Player), "Update")]
		private static void PlayerUpdatePrefix(Player __instance, out bool __state)
		{
			__state = ShouldForceShowHiddenHandItems(__instance);
		}

		[HarmonyPostfix]
		[HarmonyPatch(typeof(Player), "Update")]
		private static void PlayerUpdatePostfix(Player __instance, bool __state)
		{
			if (__state && CanForceShowHiddenHandItems(__instance))
			{
				((Humanoid)__instance).ShowHandItems(false, true);
			}
		}

		private static bool ShouldForceShowHiddenHandItems(Player player)
		{
			if (WasHideInputPressed(player))
			{
				return CanForceShowHiddenHandItems(player);
			}
			return false;
		}

		private static bool CanForceShowHiddenHandItems(Player player)
		{
			if (PlayerDiveUtils.TryGetUnderwaterLocalDiver(player, out PlayerDiveController _) && !((Character)player).IsOnGround() && !((Character)player).InDodge() && ((Humanoid)player).GetRightItem() == null && ((Humanoid)player).GetLeftItem() == null && HasHiddenHandItems(player))
			{
				return !HasWaterRestrictedHiddenHandItems(player);
			}
			return false;
		}

		private static bool WasHideInputPressed(Player player)
		{
			//IL_0028: Unknown result type (might be due to invalid IL or missing references)
			bool flag = !Hud.InRadial() && ZInput.GetButtonUp("JoyHide") && ZInput.GetButtonLastPressedTimer("JoyHide") < 0.33f;
			if ((int)ZInput.InputLayout == 0 || !ZInput.IsGamepadActive())
			{
				if (!ZInput.GetButtonDown("Hide"))
				{
					if (flag && !ZInput.GetButton("JoyAltKeys"))
					{
						return !((Character)player).InPlaceMode();
					}
					return false;
				}
				return true;
			}
			if (flag && !ZInput.GetButton("JoyAltKeys"))
			{
				return !((Character)player).InPlaceMode();
			}
			return false;
		}

		private static bool HasHiddenHandItems(Player player)
		{
			if (((Humanoid)player).m_hiddenRightItem == null)
			{
				return ((Humanoid)player).m_hiddenLeftItem != null;
			}
			return true;
		}

		private static bool HasWaterRestrictedHiddenHandItems(Player player)
		{
			if (!IsWaterRestrictedHiddenItem(((Humanoid)player).m_hiddenRightItem))
			{
				return IsWaterRestrictedHiddenItem(((Humanoid)player).m_hiddenLeftItem);
			}
			return true;
		}

		private static bool IsWaterRestrictedHiddenItem(ItemData? item)
		{
			if (item != null)
			{
				return ServerSyncModTemplatePlugin.IsWaterRestrictedItem(item);
			}
			return false;
		}

		private static IEnumerable<CodeInstruction> InsertWaterEquipmentBypass<T>(IEnumerable<CodeInstruction> instructions, string methodName, OpCode argumentLoadOpCode, Func<T, bool> shouldKeepWaterRestriction)
		{
			//IL_000c: Unknown result type (might be due to invalid IL or missing references)
			//IL_0012: Expected O, but got Unknown
			return InsertWaterEquipmentBypass(instructions, methodName, (IReadOnlyList<CodeInstruction>)(object)new CodeInstruction[2]
			{
				new CodeInstruction(argumentLoadOpCode, (object)null),
				Transpilers.EmitDelegate<Func<T, bool>>(shouldKeepWaterRestriction)
			});
		}

		private static IEnumerable<CodeInstruction> InsertWaterEquipmentBypass<T1, T2>(IEnumerable<CodeInstruction> instructions, string methodName, OpCode firstArgumentLoadOpCode, OpCode secondArgumentLoadOpCode, Func<T1, T2, bool> shouldKeepWaterRestriction)
		{
			//IL_000c: Unknown result type (might be due to invalid IL or missing references)
			//IL_0012: Expected O, but got Unknown
			//IL_0016: Unknown result type (might be due to invalid IL or missing references)
			//IL_001c: Expected O, but got Unknown
			return InsertWaterEquipmentBypass(instructions, methodName, (IReadOnlyList<CodeInstruction>)(object)new CodeInstruction[3]
			{
				new CodeInstruction(firstArgumentLoadOpCode, (object)null),
				new CodeInstruction(secondArgumentLoadOpCode, (object)null),
				Transpilers.EmitDelegate<Func<T1, T2, bool>>(shouldKeepWaterRestriction)
			});
		}

		private static IEnumerable<CodeInstruction> InsertWaterEquipmentBypass(IEnumerable<CodeInstruction> instructions, string methodName, IReadOnlyList<CodeInstruction> guardInstructions)
		{
			//IL_002e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0038: Expected O, but got Unknown
			List<CodeInstruction> list = new List<CodeInstruction>(instructions);
			if (!TryFindSwimmingRestrictionInsertionPoint(list, methodName, out CodeMatcher codeMatcher))
			{
				return list;
			}
			object operand = codeMatcher.InstructionAt(-1).operand;
			List<CodeInstruction> list2 = new List<CodeInstruction>(guardInstructions)
			{
				new CodeInstruction(OpCodes.Brfalse, operand)
			};
			ServerSyncModTemplatePlugin.ServerSyncModTemplateLogger.LogDebug((object)("Applied water equipment bypass transpiler to " + methodName + "."));
			return codeMatcher.InsertAndAdvance((IEnumerable<CodeInstruction>)list2).InstructionEnumeration();
		}

		private static bool TryFindSwimmingRestrictionInsertionPoint(List<CodeInstruction> code, string methodName, out CodeMatcher codeMatcher)
		{
			//IL_0003: Unknown result type (might be due to invalid IL or missing references)
			//IL_0009: Expected O, but got Unknown
			codeMatcher = new CodeMatcher((IEnumerable<CodeInstruction>)code, (ILGenerator)null);
			codeMatcher.MatchStartForward(SwimmingRestrictionPattern);
			if (!codeMatcher.IsValid)
			{
				ServerSyncModTemplatePlugin.ServerSyncModTemplateLogger.LogWarning((object)("Failed to locate swimming item restriction in " + methodName + ". Water equipment bypass for this method is disabled; vanilla swimming restrictions remain."));
				return false;
			}
			codeMatcher.Advance(SwimmingRestrictionInstructionCount);
			if (!codeMatcher.IsValid)
			{
				ServerSyncModTemplatePlugin.ServerSyncModTemplateLogger.LogWarning((object)("Failed to advance water equipment transpiler cursor in " + methodName + ". Water equipment bypass for this method is disabled; vanilla swimming restrictions remain."));
				return false;
			}
			return true;
		}
	}
}
namespace ServerSync
{
	[PublicAPI]
	internal abstract class OwnConfigEntryBase
	{
		public object? LocalBaseValue;

		public bool SynchronizedConfig = true;

		public abstract ConfigEntryBase BaseConfig { get; }
	}
	[PublicAPI]
	internal class SyncedConfigEntry<T> : OwnConfigEntryBase
	{
		public readonly ConfigEntry<T> SourceConfig;

		public override ConfigEntryBase BaseConfig => (ConfigEntryBase)(object)SourceConfig;

		public T Value
		{
			get
			{
				return SourceConfig.Value;
			}
			set
			{
				SourceConfig.Value = value;
			}
		}

		public SyncedConfigEntry(ConfigEntry<T> sourceConfig)
		{
			SourceConfig = sourceConfig;
			base..ctor();
		}

		public void AssignLocalValue(T value)
		{
			if (LocalBaseValue == null)
			{
				Value = value;
			}
			else
			{
				LocalBaseValue = value;
			}
		}
	}
	internal abstract class CustomSyncedValueBase
	{
		public object? LocalBaseValue;

		public readonly string Identifier;

		public readonly Type Type;

		private object? boxedValue;

		protected bool localIsOwner;

		public readonly int Priority;

		public object? BoxedValue
		{
			get
			{
				return boxedValue;
			}
			set
			{
				boxedValue = value;
				this.ValueChanged?.Invoke();
			}
		}

		public event Action? ValueChanged;

		protected CustomSyncedValueBase(ConfigSync configSync, string identifier, Type type, int priority)
		{
			Priority = priority;
			Identifier = identifier;
			Type = type;
			configSync.AddCustomValue(this);
			localIsOwner = configSync.IsSourceOfTruth;
			configSync.SourceOfTruthChanged += delegate(bool truth)
			{
				localIsOwner = truth;
			};
		}
	}
	[PublicAPI]
	internal sealed class CustomSyncedValue<T> : CustomSyncedValueBase
	{
		public T Value
		{
			get
			{
				return (T)base.BoxedValue;
			}
			set
			{
				base.BoxedValue = value;
			}
		}

		public CustomSyncedValue(ConfigSync configSync, string identifier, T value = default(T), int priority = 0)
			: base(configSync, identifier, typeof(T), priority)
		{
			Value = value;
		}

		public void AssignLocalValue(T value)
		{
			if (localIsOwner)
			{
				Value = value;
			}
			else
			{
				LocalBaseValue = value;
			}
		}
	}
	internal class ConfigurationManagerAttributes
	{
		[UsedImplicitly]
		public bool? ReadOnly = false;
	}
	[PublicAPI]
	internal class ConfigSync
	{
		[HarmonyPatch(typeof(ZRpc), "HandlePackage")]
		private static class SnatchCurrentlyHandlingRPC
		{
			public static ZRpc? currentRpc;

			[HarmonyPrefix]
			private static void Prefix(ZRpc __instance)
			{
				currentRpc = __instance;
			}
		}

		[HarmonyPatch(typeof(ZNet), "Awake")]
		internal static class RegisterRPCPatch
		{
			[HarmonyPostfix]
			private static void Postfix(ZNet __instance)
			{
				isServer = __instance.IsServer();
				foreach (ConfigSync configSync2 in configSyncs)
				{
					ZRoutedRpc.instance.Register<ZPackage>(configSync2.Name + " ConfigSync", (Action<long, ZPackage>)configSync2.RPC_FromOtherClientConfigSync);
					if (isServer)
					{
						configSync2.InitialSyncDone = true;
						Debug.Log((object)("Registered '" + configSync2.Name + " ConfigSync' RPC - waiting for incoming connections"));
					}
				}
				if (isServer)
				{
					((MonoBehaviour)__instance).StartCoroutine(WatchAdminListChanges());
				}
				static void SendAdmin(List<ZNetPeer> peers, bool isAdmin)
				{
					ZPackage package = ConfigsToPackage(null, null, new PackageEntry[1]
					{
						new PackageEntry
						{
							section = "Internal",
							key = "lockexempt",
							type = typeof(bool),
							value = isAdmin
						}
					});
					ConfigSync configSync = configSyncs.First();
					if (configSync != null)
					{
						((MonoBehaviour)ZNet.instance).StartCoroutine(configSync.sendZPackage(peers, package));
					}
				}
				static IEnumerator WatchAdminListChanges()
				{
					MethodInfo listContainsId = AccessTools.DeclaredMethod(typeof(ZNet), "ListContainsId", (Type[])null, (Type[])null);
					SyncedList adminList = (SyncedList)AccessTools.DeclaredField(typeof(ZNet), "m_adminList").GetValue(ZNet.instance);
					List<string> CurrentList = new List<string>(adminList.GetList());
					while (true)
					{
						yield return (object)new WaitForSeconds(30f);
						if (!adminList.GetList().SequenceEqual(CurrentList))
						{
							CurrentList = new List<string>(adminList.GetList());
							List<ZNetPeer> adminPeer = ZNet.instance.GetPeers().Where(delegate(ZNetPeer p)
							{
								string hostName = p.m_rpc.GetSocket().GetHostName();
								return ((object)listContainsId == null) ? adminList.Contains(hostName) : ((bool)listContainsId.Invoke(ZNet.instance, new object[2] { adminList, hostName }));
							}).ToList();
							List<ZNetPeer> nonAdminPeer = ZNet.instance.GetPeers().Except(adminPeer).ToList();
							SendAdmin(nonAdminPeer, isAdmin: false);
							SendAdmin(adminPeer, isAdmin: true);
						}
					}
				}
			}
		}

		[HarmonyPatch(typeof(ZNet), "OnNewConnection")]
		private static class RegisterClientRPCPatch
		{
			[HarmonyPostfix]
			private static void Postfix(ZNet __instance, ZNetPeer peer)
			{
				if (__instance.IsServer())
				{
					return;
				}
				foreach (ConfigSync configSync in configSyncs)
				{
					peer.m_rpc.Register<ZPackage>(configSync.Name + " ConfigSync", (Action<ZRpc, ZPackage>)configSync.RPC_FromServerConfigSync);
				}
			}
		}

		private class ParsedConfigs
		{
			public readonly Dictionary<OwnConfigEntryBase, object?> configValues = new Dictionary<OwnConfigEntryBase, object>();

			public readonly Dictionary<CustomSyncedValueBase, object?> customValues = new Dictionary<CustomSyncedValueBase, object>();
		}

		[HarmonyPatch(typeof(ZNet), "Shutdown")]
		private class ResetConfigsOnShutdown
		{
			[HarmonyPostfix]
			private static void Postfix()
			{
				ProcessingServerUpdate = true;
				foreach (ConfigSync configSync in configSyncs)
				{
					configSync.resetConfigsFromServer();
					configSync.IsSourceOfTruth = true;
					configSync.InitialSyncDone = false;
				}
				ProcessingServerUpdate = false;
			}
		}

		[HarmonyPatch(typeof(ZNet), "RPC_PeerInfo")]
		private class SendConfigsAfterLogin
		{
			private class BufferingSocket : ZPlayFabSocket, ISocket
			{
				public volatile bool finished = false;

				public volatile int versionMatchQueued = -1;

				public readonly List<ZPackage> Package = new List<ZPackage>();

				public readonly ISocket Original;

				public BufferingSocket(ISocket original)
				{
					Original = original;
					((ZPlayFabSocket)this)..ctor();
				}

				public bool IsConnected()
				{
					return Original.IsConnected();
				}

				public ZPackage Recv()
				{
					return Original.Recv();
				}

				public int GetSendQueueSize()
				{
					return Original.GetSendQueueSize();
				}

				public int GetCurrentSendRate()
				{
					return Original.GetCurrentSendRate();
				}

				public bool IsHost()
				{
					return Original.IsHost();
				}

				public void Dispose()
				{
					Original.Dispose();
				}

				public bool GotNewData()
				{
					return Original.GotNewData();
				}

				public void Close()
				{
					Original.Close();
				}

				public string GetEndPointString()
				{
					return Original.GetEndPointString();
				}

				public void GetAndResetStats(out int totalSent, out int totalRecv)
				{
					Original.GetAndResetStats(ref totalSent, ref totalRecv);
				}

				public void GetConnectionQuality(out float localQuality, out float remoteQuality, out int ping, out float outByteSec, out float inByteSec)
				{
					Original.GetConnectionQuality(ref localQuality, ref remoteQuality, ref ping, ref outByteSec, ref inByteSec);
				}

				public ISocket Accept()
				{
					return Original.Accept();
				}

				public int GetHostPort()
				{
					return Original.GetHostPort();
				}

				public bool Flush()
				{
					return Original.Flush();
				}

				public string GetHostName()
				{
					return Original.GetHostName();
				}

				public void VersionMatch()
				{
					if (finished)
					{
						Original.VersionMatch();
					}
					else
					{
						versionMatchQueued = Package.Count;
					}
				}

				public void Send(ZPackage pkg)
				{
					//IL_0057: Unknown result type (might be due to invalid IL or missing references)
					//IL_005d: Expected O, but got Unknown
					int pos = pkg.GetPos();
					pkg.SetPos(0);
					int num = pkg.ReadInt();
					if ((num == StringExtensionMethods.GetStableHashCode("PeerInfo") || num == StringExtensionMethods.GetStableHashCode("RoutedRPC") || num == StringExtensionMethods.GetStableHashCode("ZDOData")) && !finished)
					{
						ZPackage val = new ZPackage(pkg.GetArray());
						val.SetPos(pos);
						Package.Add(val);
					}
					else
					{
						pkg.SetPos(pos);
						Original.Send(pkg);
					}
				}
			}

			[HarmonyPriority(800)]
			[HarmonyPrefix]
			private static void Prefix(ref Dictionary<Assembly, BufferingSocket>? __state, ZNet __instance, ZRpc rpc)
			{
				//IL_0078: Unknown result type (might be due to invalid IL or missing references)
				//IL_007e: Invalid comparison between Unknown and I4
				if (!__instance.IsServer())
				{
					return;
				}
				BufferingSocket bufferingSocket = new BufferingSocket(rpc.GetSocket());
				AccessTools.DeclaredField(typeof(ZRpc), "m_socket").SetValue(rpc, bufferingSocket);
				object? obj = AccessTools.DeclaredMethod(typeof(ZNet), "GetPeer", new Type[1] { typeof(ZRpc) }, (Type[])null).Invoke(__instance, new object[1] { rpc });
				ZNetPeer val = (ZNetPeer)((obj is ZNetPeer) ? obj : null);
				if (val != null && (int)ZNet.m_onlineBackend > 0)
				{
					FieldInfo fieldInfo = AccessTools.DeclaredField(typeof(ZNetPeer), "m_socket");
					object? value = fieldInfo.GetValue(val);
					ZPlayFabSocket val2 = (ZPlayFabSocket)((value is ZPlayFabSocket) ? value : null);
					if (val2 != null)
					{
						typeof(ZPlayFabSocket).GetField("m_remotePlayerId").SetValue(bufferingSocket, val2.m_remotePlayerId);
					}
					fieldInfo.SetValue(val, bufferingSocket);
				}
				if (__state == null)
				{
					__state = new Dictionary<Assembly, BufferingSocket>();
				}
				__state[Assembly.GetExecutingAssembly()] = bufferingSocket;
			}

			[HarmonyPostfix]
			private static void Postfix(Dictionary<Assembly, BufferingSocket> __state, ZNet __instance, ZRpc rpc)
			{
				ZRpc rpc2 = rpc;
				ZNet __instance2 = __instance;
				Dictionary<Assembly, BufferingSocket> __state2 = __state;
				ZNetPeer peer;
				if (__instance2.IsServer())
				{
					object obj = AccessTools.DeclaredMethod(typeof(ZNet), "GetPeer", new Type[1] { typeof(ZRpc) }, (Type[])null).Invoke(__instance2, new object[1] { rpc2 });
					peer = (ZNetPeer)((obj is ZNetPeer) ? obj : null);
					if (peer == null)
					{
						SendBufferedData();
					}
					else
					{
						((MonoBehaviour)__instance2).StartCoroutine(sendAsync());
					}
				}
				void SendBufferedData()
				{
					if (rpc2.GetSocket() is BufferingSocket bufferingSocket)
					{
						AccessTools.DeclaredField(typeof(ZRpc), "m_socket").SetValue(rpc2, bufferingSocket.Original);
						object? obj2 = AccessTools.DeclaredMethod(typeof(ZNet), "GetPeer", new Type[1] { typeof(ZRpc) }, (Type[])null).Invoke(__instance2, new object[1] { rpc2 });
						ZNetPeer val = (ZNetPeer)((obj2 is ZNetPeer) ? obj2 : null);
						if (val != null)
						{
							AccessTools.DeclaredField(typeof(ZNetPeer), "m_socket").SetValue(val, bufferingSocket.Original);
						}
					}
					BufferingSocket bufferingSocket2 = __state2[Assembly.GetExecutingAssembly()];
					bufferingSocket2.finished = true;
					for (int i = 0; i < bufferingSocket2.Package.Count; i++)
					{
						if (i == bufferingSocket2.versionMatchQueued)
						{
							bufferingSocket2.Original.VersionMatch();
						}
						bufferingSocket2.Original.Send(bufferingSocket2.Package[i]);
					}
					if (bufferingSocket2.Package.Count == bufferingSocket2.versionMatchQueued)
					{
						bufferingSocket2.Original.VersionMatch();
					}
				}
				IEnumerator sendAsync()
				{
					foreach (ConfigSync configSync in configSyncs)
					{
						List<PackageEntry> entries = new List<PackageEntry>();
						if (configSync.CurrentVersion != null)
						{
							entries.Add(new PackageEntry
							{
								section = "Internal",
								key = "serverversion",
								type = typeof(string),
								value = configSync.CurrentVersion
							});
						}
						MethodInfo listContainsId = AccessTools.DeclaredMethod(typeof(ZNet), "ListContainsId", (Type[])null, (Type[])null);
						SyncedList adminList = (SyncedList)AccessTools.DeclaredField(typeof(ZNet), "m_adminList").GetValue(ZNet.instance);
						entries.Add(new PackageEntry
						{
							section = "Internal",
							key = "lockexempt",
							type = typeof(bool),
							value = (((object)listContainsId == null) ? ((object)adminList.Contains(rpc2.GetSocket().GetHostName())) : listContainsId.Invoke(ZNet.instance, new object[2]
							{
								adminList,
								rpc2.GetSocket().GetHostName()
							}))
						});
						ZPackage package = ConfigsToPackage(configSync.allConfigs.Select((OwnConfigEntryBase c) => c.BaseConfig), configSync.allCustomValues, entries, partial: false);
						yield return ((MonoBehaviour)__instance2).StartCoroutine(configSync.sendZPackage(new List<ZNetPeer> { peer }, package));
					}
					SendBufferedData();
				}
			}
		}

		private class PackageEntry
		{
			public string section = null;

			public string key = null;

			public Type type = null;

			public object? value;
		}

		[HarmonyPatch(typeof(ConfigEntryBase), "GetSerializedValue")]
		private static class PreventSavingServerInfo
		{
			[HarmonyPrefix]
			private static bool Prefix(ConfigEntryBase __instance, ref string __result)
			{
				OwnConfigEntryBase ownConfigEntryBase = configData(__instance);
				if (ownConfigEntryBase == null || isWritableConfig(ownConfigEntryBase))
				{
					return true;
				}
				__result = TomlTypeConverter.ConvertToString(ownConfigEntryBase.LocalBaseValue, __instance.SettingType);
				return false;
			}
		}

		[HarmonyPatch(typeof(ConfigEntryBase), "SetSerializedValue")]
		private static class PreventConfigRereadChangingValues
		{
			[HarmonyPrefix]
			private static bool Prefix(ConfigEntryBase __instance, string value)
			{
				OwnConfigEntryBase ownConfigEntryBase = configData(__instance);
				if (ownConfigEntryBase == null || ownConfigEntryBase.LocalBaseValue == null)
				{
					return true;
				}
				try
				{
					ownConfigEntryBase.LocalBaseValue = TomlTypeConverter.ConvertToValue(value, __instance.SettingType);
				}
				catch (Exception ex)
				{
					Debug.LogWarning((object)$"Config value of setting \"{__instance.Definition}\" could not be parsed and will be ignored. Reason: {ex.Message}; Value: {value}");
				}
				return false;
			}
		}

		private class InvalidDeserializationTypeException : Exception
		{
			public string expected = null;

			public string received = null;

			public string field = "";
		}

		public static bool ProcessingServerUpdate;

		public readonly string Name;

		public string? DisplayName;

		public string? CurrentVersion;

		public string? MinimumRequiredVersion;

		public bool ModRequired = false;

		private bool? forceConfigLocking;

		private bool isSourceOfTruth = true;

		private static readonly HashSet<ConfigSync> configSyncs;

		private readonly HashSet<OwnConfigEntryBase> allConfigs = new HashSet<OwnConfigEntryBase>();

		private HashSet<CustomSyncedValueBase> allCustomValues = new HashSet<CustomSyncedValueBase>();

		private static bool isServer;

		private static bool lockExempt;

		private OwnConfigEntryBase? lockedConfig = null;

		private const byte PARTIAL_CONFIGS = 1;

		private const byte FRAGMENTED_CONFIG = 2;

		private const byte COMPRESSED_CONFIG = 4;

		private readonly Dictionary<string, SortedDictionary<int, byte[]>> configValueCache = new Dictionary<string, SortedDictionary<int, byte[]>>();

		private readonly List<KeyValuePair<long, string>> cacheExpirations = new List<KeyValuePair<long, string>>();

		private static long packageCounter;

		public bool IsLocked
		{
			get
			{
				bool? flag = forceConfigLocking;
				bool num;
				if (!flag.HasValue)
				{
					if (lockedConfig == null)
					{
						goto IL_0052;
					}
					num = ((IConvertible)lockedConfig.BaseConfig.BoxedValue).ToInt32(CultureInfo.InvariantCulture) != 0;
				}
				else
				{
					num = flag.GetValueOrDefault();
				}
				if (!num)
				{
					goto IL_0052;
				}
				int result = ((!lockExempt) ? 1 : 0);
				goto IL_0053;
				IL_0053:
				return (byte)result != 0;
				IL_0052:
				result = 0;
				goto IL_0053;
			}
			set
			{
				forceConfigLocking = value;
			}
		}

		public bool IsAdmin => lockExempt || isSourceOfTruth;

		public bool IsSourceOfTruth
		{
			get
			{
				return isSourceOfTruth;
			}
			private set
			{
				if (value != isSourceOfTruth)
				{
					isSourceOfTruth = value;
					this.SourceOfTruthChanged?.Invoke(value);
				}
			}
		}

		public bool InitialSyncDone { get; private set; } = false;


		public event Action<bool>? SourceOfTruthChanged;

		private event Action? lockedConfigChanged;

		static ConfigSync()
		{
			ProcessingServerUpdate = false;
			configSyncs = new HashSet<ConfigSync>();
			lockExempt = false;
			packageCounter = 0L;
			RuntimeHelpers.RunClassConstructor(typeof(VersionCheck).TypeHandle);
		}

		public ConfigSync(string name)
		{
			Name = name;
			configSyncs.Add(this);
			new VersionCheck(this);
		}

		public SyncedConfigEntry<T> AddConfigEntry<T>(ConfigEntry<T> configEntry)
		{
			ConfigEntry<T> configEntry2 = configEntry;
			OwnConfigEntryBase ownConfigEntryBase = configData((ConfigEntryBase)(object)configEntry2);
			SyncedConfigEntry<T> syncedEntry = ownConfigEntryBase as SyncedConfigEntry<T>;
			if (syncedEntry == null)
			{
				syncedEntry = new SyncedConfigEntry<T>(configEntry2);
				AccessTools.DeclaredField(typeof(ConfigDescription), "<Tags>k__BackingField").SetValue(((ConfigEntryBase)configEntry2).Description, new object[1]
				{
					new ConfigurationManagerAttributes()
				}.Concat(((ConfigEntryBase)configEntry2).Description.Tags ?? Array.Empty<object>()).Concat(new SyncedConfigEntry<T>[1] { syncedEntry }).ToArray());
				configEntry2.SettingChanged += delegate
				{
					if (!ProcessingServerUpdate && syncedEntry.SynchronizedConfig)
					{
						Broadcast(ZRoutedRpc.Everybody, (ConfigEntryBase)configEntry2);
					}
				};
				allConfigs.Add(syncedEntry);
			}
			return syncedEntry;
		}

		public SyncedConfigEntry<T> AddLockingConfigEntry<T>(ConfigEntry<T> lockingConfig) where T : IConvertible
		{
			if (lockedConfig != null)
			{
				throw new Exception("Cannot initialize locking ConfigEntry twice");
			}
			lockedConfig = AddConfigEntry<T>(lockingConfig);
			lockingConfig.SettingChanged += delegate
			{
				this.lockedConfigChanged?.Invoke();
			};
			return (SyncedConfigEntry<T>)lockedConfig;
		}

		internal void AddCustomValue(CustomSyncedValueBase customValue)
		{
			CustomSyncedValueBase customValue2 = customValue;
			if (allCustomValues.Select((CustomSyncedValueBase v) => v.Identifier).Concat(new string[1] { "serverversion" }).Contains(customValue2.Identifier))
			{
				throw new Exception("Cannot have multiple settings with the same name or with a reserved name (serverversion)");
			}
			allCustomValues.Add(customValue2);
			allCustomValues = new HashSet<CustomSyncedValueBase>(allCustomValues.OrderByDescending((CustomSyncedValueBase v) => v.Priority));
			customValue2.ValueChanged += delegate
			{
				if (!ProcessingServerUpdate)
				{
					Broadcast(ZRoutedRpc.Everybody, customValue2);
				}
			};
		}

		private void RPC_FromServerConfigSync(ZRpc rpc, ZPackage package)
		{
			lockedConfigChanged += serverLockedSettingChanged;
			IsSourceOfTruth = false;
			if (HandleConfigSyncRPC(0L, package, clientUpdate: false))
			{
				InitialSyncDone = true;
			}
		}

		private void RPC_FromOtherClientConfigSync(long sender, ZPackage package)
		{
			HandleConfigSyncRPC(sender, package, clientUpdate: true);
		}

		private bool HandleConfigSyncRPC(long sender, ZPackage package, bool clientUpdate)
		{
			//IL_0076: Unknown result type (might be due to invalid IL or missing references)
			//IL_007d: Expected O, but got Unknown
			//IL_0250: Unknown result type (might be due to invalid IL or missing references)
			//IL_0257: Expected O, but got Unknown
			//IL_01ea: Unknown result type (might be due to invalid IL or missing references)
			//IL_01f1: Expected O, but got Unknown
			try
			{
				if (isServer && IsLocked)
				{
					ZRpc? currentRpc = SnatchCurrentlyHandlingRPC.currentRpc;
					object obj;
					if (currentRpc == null)
					{
						obj = null;
					}
					else
					{
						ISocket socket = currentRpc.GetSocket();
						obj = ((socket != null) ? socket.GetHostName() : null);
					}
					string text = (string)obj;
					if (text != null)
					{
						MethodInfo methodInfo = AccessTools.DeclaredMethod(typeof(ZNet), "ListContainsId", (Type[])null, (Type[])null);
						SyncedList val = (SyncedList)AccessTools.DeclaredField(typeof(ZNet), "m_adminList").GetValue(ZNet.instance);
						if (!(((object)methodInfo == null) ? val.Contains(text) : ((bool)methodInfo.Invoke(ZNet.instance, new object[2] { val, text }))))
						{
							return false;
						}
					}
				}
				cacheExpirations.RemoveAll(delegate(KeyValuePair<long, string> kv)
				{
					if (kv.Key < DateTimeOffset.Now.Ticks)
					{
						configValueCache.Remove(kv.Value);
						return true;
					}
					return false;
				});
				byte b = package.ReadByte();
				if ((b & 2u) != 0)
				{
					long num = package.ReadLong();
					string text2 = sender.ToString() + num;
					if (!configValueCache.TryGetValue(text2, out SortedDictionary<int, byte[]> value))
					{
						value = new SortedDictionary<int, byte[]>();
						configValueCache[text2] = value;
						cacheExpirations.Add(new KeyValuePair<long, string>(DateTimeOffset.Now.AddSeconds(60.0).Ticks, text2));
					}
					int key = package.ReadInt();
					int num2 = package.ReadInt();
					value.Add(key, package.ReadByteArray());
					if (value.Count < num2)
					{
						return false;
					}
					configValueCache.Remove(text2);
					package = new ZPackage(value.Values.SelectMany((byte[] a) => a).ToArray());
					b = package.ReadByte();
				}
				ProcessingServerUpdate = true;
				if ((b & 4u) != 0)
				{
					byte[] buffer = package.ReadByteArray();
					MemoryStream stream = new MemoryStream(buffer);
					MemoryStream memoryStream = new MemoryStream();
					using (DeflateStream deflateStream = new DeflateStream(stream, CompressionMode.Decompress))
					{
						deflateStream.CopyTo(memoryStream);
					}
					package = new ZPackage(memoryStream.ToArray());
					b = package.ReadByte();
				}
				if ((b & 1) == 0)
				{
					resetConfigsFromServer();
				}
				ParsedConfigs parsedConfigs = ReadConfigsFromPackage(package);
				ConfigFile val2 = null;
				bool saveOnConfigSet = false;
				foreach (KeyValuePair<OwnConfigEntryBase, object> configValue in parsedConfigs.configValues)
				{
					if (!isServer && configValue.Key.LocalBaseValue == null)
					{
						configValue.Key.LocalBaseValue = configValue.Key.BaseConfig.BoxedValue;
					}
					if (val2 == null)
					{
						val2 = configValue.Key.BaseConfig.ConfigFile;
						saveOnConfigSet = val2.SaveOnConfigSet;
						val2.SaveOnConfigSet = false;
					}
					configValue.Key.BaseConfig.BoxedValue = configValue.Value;
				}
				if (val2 != null)
				{
					val2.SaveOnConfigSet = saveOnConfigSet;
					val2.Save();
				}
				foreach (KeyValuePair<CustomSyncedValueBase, object> customValue in parsedConfigs.customValues)
				{
					if (!isServer)
					{
						CustomSyncedValueBase key2 = customValue.Key;
						if (key2.LocalBaseValue == null)
						{
							key2.LocalBaseValue = customValue.Key.BoxedValue;
						}
					}
					customValue.Key.BoxedValue = customValue.Value;
				}
				Debug.Log((object)string.Format("Received {0} configs and {1} custom values from {2} for mod {3}", parsedConfigs.configValues.Count, parsedConfigs.customValues.Count, (isServer || clientUpdate) ? $"client {sender}" : "the server", DisplayName ?? Name));
				if (!isServer)
				{
					serverLockedSettingChanged();
				}
				return true;
			}
			finally
			{
				ProcessingServerUpdate = false;
			}
		}

		private ParsedConfigs ReadConfigsFromPackage(ZPackage package)
		{
			ParsedConfigs parsedConfigs = new ParsedConfigs();
			Dictionary<string, OwnConfigEntryBase> dictionary = allConfigs.Where((OwnConfigEntryBase c) => c.SynchronizedConfig).ToDictionary((OwnConfigEntryBase c) => c.BaseConfig.Definition.Section + "_" + c.BaseConfig.Definition.Key, (OwnConfigEntryBase c) => c);
			Dictionary<string, CustomSyncedValueBase> dictionary2 = allCustomValues.ToDictionary((CustomSyncedValueBase c) => c.Identifier, (CustomSyncedValueBase c) => c);
			int num = package.ReadInt();
			for (int i = 0; i < num; i++)
			{
				string text = package.ReadString();
				string text2 = package.ReadString();
				string text3 = package.ReadString();
				Type type = Type.GetType(text3);
				if (text3 == "" || type != null)
				{
					object obj;
					try
					{
						obj = ((text3 == "") ? null : ReadValueWithTypeFromZPackage(package, type));
					}
					catch (InvalidDeserializationTypeException ex)
					{
						Debug.LogWarning((object)("Got unexpected struct internal type " + ex.received + " for field " + ex.field + " struct " + text3 + " for " + text2 + " in section " + text + " for mod " + (DisplayName ?? Name) + ", expecting " + ex.expected));
						continue;
					}
					OwnConfigEntryBase value2;
					if (text == "Internal")
					{
						CustomSyncedValueBase value;
						if (text2 == "serverversion")
						{
							if (obj?.ToString() != CurrentVersion)
							{
								Debug.LogWarning((object)("Received server version is not equal: server version = " + (obj?.ToString() ?? "null") + "; local version = " + (CurrentVersion ?? "unknown")));
							}
						}
						else if (text2 == "lockexempt")
						{
							if (obj is bool flag)
							{
								lockExempt = flag;
							}
						}
						else if (dictionary2.TryGetValue(text2, out value))
						{
							if ((text3 == "" && (!value.Type.IsValueType || Nullable.GetUnderlyingType(value.Type) != null)) || GetZPackageTypeString(value.Type) == text3)
							{
								parsedConfigs.customValues[value] = obj;
								continue;
							}
							Debug.LogWarning((object)("Got unexpected type " + text3 + " for internal value " + text2 + " for mod " + (DisplayName ?? Name) + ", expecting " + value.Type.AssemblyQualifiedName));
						}
					}
					else if (dictionary.TryGetValue(text + "_" + text2, out value2))
					{
						Type type2 = configType(value2.BaseConfig);
						if ((text3 == "" && (!type2.IsValueType || Nullable.GetUnderlyingType(type2) != null)) || GetZPackageTypeString(type2) == text3)
						{
							parsedConfigs.configValues[value2] = obj;
							continue;
						}
						Debug.LogWarning((object)("Got unexpected type " + text3 + " for " + text2 + " in section " + text + " for mod " + (DisplayName ?? Name) + ", expecting " + type2.AssemblyQualifiedName));
					}
					else
					{
						Debug.LogWarning((object)("Received unknown config entry " + text2 + " in section " + text + " for mod " + (DisplayName ?? Name) + ". This may happen if client and server versions of the mod do not match."));
					}
					continue;
				}
				Debug.LogWarning((object)("Got invalid type " + text3 + ", abort reading of received configs"));
				return new ParsedConfigs();
			}
			return parsedConfigs;
		}

		private static bool isWritableConfig(OwnConfigEntryBase config)
		{
			OwnConfigEntryBase config2 = config;
			ConfigSync configSync = configSyncs.FirstOrDefault((ConfigSync cs) => cs.allConfigs.Contains(config2));
			if (configSync == null)
			{
				return true;
			}
			return configSync.IsSourceOfTruth || !config2.SynchronizedConfig || config2.LocalBaseValue == null || (!configSync.IsLocked && (config2 != configSync.lockedConfig || lockExempt));
		}

		private void serverLockedSettingChanged()
		{
			foreach (OwnConfigEntryBase allConfig in allConfigs)
			{
				configAttribute<ConfigurationManagerAttributes>(allConfig.BaseConfig).ReadOnly = !isWritableConfig(allConfig);
			}
		}

		private void resetConfigsFromServer()
		{
			ConfigFile val = null;
			bool saveOnConfigSet = false;
			foreach (OwnConfigEntryBase item in allConfigs.Where((OwnConfigEntryBase config) => config.LocalBaseValue != null))
			{
				if (val == null)
				{
					val = item.BaseConfig.ConfigFile;
					saveOnConfigSet = val.SaveOnConfigSet;
					val.SaveOnConfigSet = false;
				}
				item.BaseConfig.BoxedValue = item.LocalBaseValue;
				item.LocalBaseValue = null;
			}
			if (val != null)
			{
				val.SaveOnConfigSet = saveOnConfigSet;
			}
			foreach (CustomSyncedValueBase item2 in allCustomValues.Where((CustomSyncedValueBase config) => config.LocalBaseValue != null))
			{
				item2.BoxedValue = item2.LocalBaseValue;
				item2.LocalBaseValue = null;
			}
			lockedConfigChanged -= serverLockedSettingChanged;
			serverLockedSettingChanged();
		}

		private IEnumerator<bool> distributeConfigToPeers(ZNetPeer peer, ZPackage package)
		{
			ZNetPeer peer2 = peer;
			ZRoutedRpc rpc = ZRoutedRpc.instance;
			if (rpc == null)
			{
				yield break;
			}
			byte[] data = package.GetArray();
			if (data != null && data.LongLength > 250000)
			{
				int fragments = (int)(1 + (data.LongLength - 1) / 250000);
				long packageIdentifier = ++packageCounter;
				int fragment = 0;
				while (fragment < fragments)
				{
					foreach (bool item in waitForQueue())
					{
						yield return item;
					}
					if (peer2.m_socket.IsConnected())
					{
						ZPackage fragmentedPackage = new ZPackage();
						fragmentedPackage.Write((byte)2);
						fragmentedPackage.Write(packageIdentifier);
						fragmentedPackage.Write(fragment);
						fragmentedPackage.Write(fragments);
						fragmentedPackage.Write(data.Skip(250000 * fragment).Take(250000).ToArray());
						SendPackage(fragmentedPackage);
						if (fragment != fragments - 1)
						{
							yield return true;
						}
						int num = fragment + 1;
						fragment = num;
						continue;
					}
					break;
				}
				yield break;
			}
			foreach (bool item2 in waitForQueue())
			{
				yield return item2;
			}
			SendPackage(package);
			void SendPackage(ZPackage pkg)
			{
				string text = Name + " ConfigSync";
				if (isServer)
				{
					peer2.m_rpc.Invoke(text, new object[1] { pkg });
				}
				else
				{
					rpc.InvokeRoutedRPC(peer2.m_server ? 0 : peer2.m_uid, text, new object[1] { pkg });
				}
			}
			IEnumerable<bool> waitForQueue()
			{
				float timeout = Time.time + 30f;
				while (peer2.m_socket.GetSendQueueSize() > 20000)
				{
					if (Time.time > timeout)
					{
						Debug.Log((object)$"Disconnecting {peer2.m_uid} after 30 seconds config sending timeout");
						peer2.m_rpc.Invoke("Error", new object[1] { (object)(ConnectionStatus)5 });
						ZNet.instance.Disconnect(peer2);
						break;
					}
					yield return false;
				}
			}
		}

		private IEnumerator sendZPackage(long target, ZPackage package)
		{
			if (!Object.op_Implicit((Object)(object)ZNet.instance))
			{
				return Enumerable.Empty<object>().GetEnumerator();
			}
			List<ZNetPeer> list = (List<ZNetPeer>)AccessTools.DeclaredField(typeof(ZRoutedRpc), "m_peers").GetValue(ZRoutedRpc.instance);
			if (target != ZRoutedRpc.Everybody)
			{
				list = list.Where((ZNetPeer p) => p.m_uid == target).ToList();
			}
			return sendZPackage(list, package);
		}

		private IEnumerator sendZPackage(List<ZNetPeer> peers, ZPackage package)
		{
			ZPackage package2 = package;
			if (!Object.op_Implicit((Object)(object)ZNet.instance))
			{
				yield break;
			}
			byte[] rawData = package2.GetArray();
			if (rawData != null && rawData.LongLength > 10000)
			{
				ZPackage compressedPackage = new ZPackage();
				compressedPackage.Write((byte)4);
				MemoryStream output = new MemoryStream();
				using (DeflateStream deflateStream = new DeflateStream(output, CompressionLevel.Optimal))
				{
					deflateStream.Write(rawData, 0, rawData.Length);
				}
				compressedPackage.Write(output.ToArray());
				package2 = compressedPackage;
			}
			List<IEnumerator<bool>> writers = (from peer in peers
				where peer.IsReady()
				select peer into p
				select distributeConfigToPeers(p, package2)).ToList();
			writers.RemoveAll((IEnumerator<bool> writer) => !writer.MoveNext());
			while (writers.Count > 0)
			{
				yield return null;
				writers.RemoveAll((IEnumerator<bool> writer) => !writer.MoveNext());
			}
		}

		private void Broadcast(long target, params ConfigEntryBase[] configs)
		{
			if (!IsLocked || isServer)
			{
				ZPackage package = ConfigsToPackage(configs);
				ZNet instance = ZNet.instance;
				if (instance != null)
				{
					((MonoBehaviour)instance).StartCoroutine(sendZPackage(target, package));
				}
			}
		}

		private void Broadcast(long target, params CustomSyncedValueBase[] customValues)
		{
			if (!IsLocked || isServer)
			{
				ZPackage package = ConfigsToPackage(null, customValues);
				ZNet instance = ZNet.instance;
				if (instance != null)
				{
					((MonoBehaviour)instance).StartCoroutine(sendZPackage(target, package));
				}
			}
		}

		private static OwnConfigEntryBase? configData(ConfigEntryBase config)
		{
			return config.Description.Tags?.OfType<OwnConfigEntryBase>().SingleOrDefault();
		}

		public static SyncedConfigEntry<T>? ConfigData<T>(ConfigEntry<T> config)
		{
			return ((ConfigEntryBase)config).Description.Tags?.OfType<SyncedConfigEntry<T>>().SingleOrDefault();
		}

		private static T configAttribute<T>(ConfigEntryBase config)
		{
			return config.Description.Tags.OfType<T>().First();
		}

		private static Type configType(ConfigEntryBase config)
		{
			return configType(config.SettingType);
		}

		private static Type configType(Type type)
		{
			return type.IsEnum ? Enum.GetUnderlyingType(type) : type;
		}

		private static ZPackage ConfigsToPackage(IEnumerable<ConfigEntryBase>? configs = null, IEnumerable<CustomSyncedValueBase>? customValues = null, IEnumerable<PackageEntry>? packageEntries = null, bool partial = true)
		{
			//IL_0051: Unknown result type (might be due to invalid IL or missing references)
			//IL_0057: Expected O, but got Unknown
			List<ConfigEntryBase> list = configs?.Where((ConfigEntryBase config) => configData(config).SynchronizedConfig).ToList() ?? new List<ConfigEntryBase>();
			List<CustomSyncedValueBase> list2 = customValues?.ToList() ?? new List<CustomSyncedValueBase>();
			ZPackage val = new ZPackage();
			val.Write((byte)(partial ? 1 : 0));
			val.Write(list.Count + list2.Count + (packageEntries?.Count() ?? 0));
			foreach (PackageEntry item in packageEntries ?? Array.Empty<PackageEntry>())
			{
				AddEntryToPackage(val, item);
			}
			foreach (CustomSyncedValueBase item2 in list2)
			{
				AddEntryToPackage(val, new PackageEntry
				{
					section = "Internal",
					key = item2.Identifier,
					type = item2.Type,
					value = item2.BoxedValue
				});
			}
			foreach (ConfigEntryBase item3 in list)
			{
				AddEntryToPackage(val, new PackageEntry
				{
					section = item3.Definition.Section,
					key = item3.Definition.Key,
					type = configType(item3),
					value = item3.BoxedValue
				});
			}
			return val;
		}

		private static void AddEntryToPackage(ZPackage package, PackageEntry entry)
		{
			package.Write(entry.section);
			package.Write(entry.key);
			package.Write((entry.value == null) ? "" : GetZPackageTypeString(entry.type));
			AddValueToZPackage(package, entry.value);
		}

		private static string GetZPackageTypeString(Type type)
		{
			return type.AssemblyQualifiedName;
		}

		private static void AddValueToZPackage(ZPackage package, object? value)
		{
			Type type = value?.GetType();
			if (value is Enum)
			{
				value = ((IConvertible)value).ToType(Enum.GetUnderlyingType(value.GetType()), CultureInfo.InvariantCulture);
			}
			else
			{
				if (value is ICollection collection)
				{
					package.Write(collection.Count);
					{
						foreach (object item in collection)
						{
							AddValueToZPackage(package, item);
						}
						return;
					}
				}
				if ((object)type != null && type.IsValueType && !type.IsPrimitive)
				{
					FieldInfo[] fields = type.GetFields(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
					package.Write(fields.Length);
					FieldInfo[] array = fields;
					foreach (FieldInfo fieldInfo in array)
					{
						package.Write(GetZPackageTypeString(fieldInfo.FieldType));
						AddValueToZPackage(package, fieldInfo.GetValue(value));
					}
					return;
				}
			}
			ZRpc.Serialize(new object[1] { value }, ref package);
		}

		private static object ReadValueWithTypeFromZPackage(ZPackage package, Type type)
		{
			if ((object)type != null && type.IsValueType && !type.IsPrimitive && !type.IsEnum)
			{
				FieldInfo[] fields = type.GetFields(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
				int num = package.ReadInt();
				if (num != fields.Length)
				{
					throw new InvalidDeserializationTypeException
					{
						received = $"(field count: {num})",
						expected = $"(field count: {fields.Length})"
					};
				}
				object uninitializedObject = FormatterServices.GetUninitializedObject(type);
				FieldInfo[] array = fields;
				foreach (FieldInfo fieldInfo in array)
				{
					string text = package.ReadString();
					if (text != GetZPackageTypeString(fieldInfo.FieldType))
					{
						throw new InvalidDeserializationTypeException
						{
							received = text,
							expected = GetZPackageTypeString(fieldInfo.FieldType),
							field = fieldInfo.Name
						};
					}
					fieldInfo.SetValue(uninitializedObject, ReadValueWithTypeFromZPackage(package, fieldInfo.FieldType));
				}
				return uninitializedObject;
			}
			if (type.IsGenericType && type.GetGenericTypeDefinition() == typeof(Dictionary<, >))
			{
				int num2 = package.ReadInt();
				IDictionary dictionary = (IDictionary)Activator.CreateInstance(type);
				Type type2 = typeof(KeyValuePair<, >).MakeGenericType(type.GenericTypeArguments);
				FieldInfo field = type2.GetField("key", BindingFlags.Instance | BindingFlags.NonPublic);
				FieldInfo field2 = type2.GetField("value", BindingFlags.Instance | BindingFlags.NonPublic);
				for (int j = 0; j < num2; j++)
				{
					object obj = ReadValueWithTypeFromZPackage(package, type2);
					dictionary.Add(field.GetValue(obj), field2.GetValue(obj));
				}
				return dictionary;
			}
			if (type != typeof(List<string>) && type.IsGenericType)
			{
				Type type3 = typeof(ICollection<>).MakeGenericType(type.GenericTypeArguments[0]);
				if ((object)type3 != null && type3.IsAssignableFrom(type))
				{
					int num3 = package.ReadInt();
					object obj2 = Activator.CreateInstance(type);
					MethodInfo method = type3.GetMethod("Add");
					for (int k = 0; k < num3; k++)
					{
						method.Invoke(obj2, new object[1] { ReadValueWithTypeFromZPackage(package, type.GenericTypeArguments[0]) });
					}
					return obj2;
				}
			}
			ParameterInfo parameterInfo = (ParameterInfo)FormatterServices.GetUninitializedObject(typeof(ParameterInfo));
			AccessTools.DeclaredField(typeof(ParameterInfo), "ClassImpl").SetValue(parameterInfo, type);
			List<object> source = new List<object>();
			ZRpc.Deserialize(new ParameterInfo[2] { null, parameterInfo }, package, ref source);
			return source.First();
		}
	}
	[PublicAPI]
	[HarmonyPatch]
	internal class VersionCheck
	{
		private static readonly HashSet<VersionCheck> versionChecks;

		private static readonly Dictionary<string, string> notProcessedNames;

		public string Name;

		private string? displayName;

		private string? currentVersion;

		private string? minimumRequiredVersion;

		public bool ModRequired = true;

		private string? ReceivedCurrentVersion;

		private string? ReceivedMinimumRequiredVersion;

		private readonly List<ZRpc> ValidatedClients = new List<ZRpc>();

		private ConfigSync? ConfigSync;

		public string DisplayName
		{
			get
			{
				return displayName ?? Name;
			}
			set
			{
				displayName = value;
			}
		}

		public string CurrentVersion
		{
			get
			{
				return currentVersion ?? "0.0.0";
			}
			set
			{
				currentVersion = value;
			}
		}

		public string MinimumRequiredVersion
		{
			get
			{
				return minimumRequiredVersion ?? (ModRequired ? CurrentVersion : "0.0.0");
			}
			set
			{
				minimumRequiredVersion = value;
			}
		}

		private static void PatchServerSync()
		{
			//IL_005e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0064: Expected O, but got Unknown
			Patches patchInfo = PatchProcessor.GetPatchInfo((MethodBase)AccessTools.DeclaredMethod(typeof(ZNet), "Awake", (Type[])null, (Type[])null));
			if (patchInfo != null && patchInfo.Postfixes.Count((Patch p) => p.PatchMethod.DeclaringType == typeof(ConfigSync.RegisterRPCPatch)) > 0)
			{
				return;
			}
			Harmony val = new Harmony("org.bepinex.helpers.ServerSync");
			foreach (Type item in from t in typeof(ConfigSync).GetNestedTypes(BindingFlags.NonPublic).Concat(new Type[1] { typeof(VersionCheck) })
				where t.IsClass
				select t)
			{
				val.PatchAll(item);
			}
		}

		static VersionCheck()
		{
			versionChecks = new HashSet<VersionCheck>();
			notProcessedNames = new Dictionary<string, string>();
			typeof(ThreadingHelper).GetMethod("StartSyncInvoke").Invoke(ThreadingHelper.Instance, new object[1]
			{
				new Action(PatchServerSync)
			});
		}

		public VersionCheck(string name)
		{
			Name = name;
			ModRequired = true;
			versionChecks.Add(this);
		}

		public VersionCheck(ConfigSync configSync)
		{
			ConfigSync = configSync;
			Name = ConfigSync.Name;
			versionChecks.Add(this);
		}

		public void Initialize()
		{
			ReceivedCurrentVersion = null;
			ReceivedMinimumRequiredVersion = null;
			if (ConfigSync != null)
			{
				Name = ConfigSync.Name;
				DisplayName = ConfigSync.DisplayName;
				CurrentVersion = ConfigSync.CurrentVersion;
				MinimumRequiredVersion = ConfigSync.MinimumRequiredVersion;
				ModRequired = ConfigSync.ModRequired;
			}
		}

		private bool IsVersionOk()
		{
			if (ReceivedMinimumRequiredVersion == null || ReceivedCurrentVersion == null)
			{
				return !ModRequired;
			}
			bool flag = new System.Version(CurrentVersion) >= new System.Version(ReceivedMinimumRequiredVersion);
			bool flag2 = new System.Version(ReceivedCurrentVersion) >= new System.Version(MinimumRequiredVersion);
			return flag && flag2;
		}

		private string ErrorClient()
		{
			if (ReceivedMinimumRequiredVersion == null)
			{
				return DisplayName + " is not installed on the server.";
			}
			return (new System.Version(CurrentVersion) >= new System.Version(ReceivedMinimumRequiredVersion)) ? (DisplayName + " may not be higher than version " + ReceivedCurrentVersion + ". You have version " + CurrentVersion + ".") : (DisplayName + " needs to be at least version " + ReceivedMinimumRequiredVersion + ". You have version " + CurrentVersion + ".");
		}

		private string ErrorServer(ZRpc rpc)
		{
			return "Disconnect: The client (" + rpc.GetSocket().GetHostName() + ") doesn't have the correct " + DisplayName + " version " + MinimumRequiredVersion;
		}

		private string Error(ZRpc? rpc = null)
		{
			return (rpc == null) ? ErrorClient() : ErrorServer(rpc);
		}

		private static VersionCheck[] GetFailedClient()
		{
			return versionChecks.Where((VersionCheck check) => !check.IsVersionOk()).ToArray();
		}

		private static VersionCheck[] GetFailedServer(ZRpc rpc)
		{
			ZRpc rpc2 = rpc;
			return versionChecks.Where((VersionCheck check) => check.ModRequired && !check.ValidatedClients.Contains(rpc2)).ToArray();
		}

		private static void Logout()
		{
			Game.instance.Logout(true, true);
			AccessTools.DeclaredField(typeof(ZNet), "m_connectionStatus").SetValue(null, (object)(ConnectionStatus)3);
		}

		private static void DisconnectClient(ZRpc rpc)
		{
			rpc.Invoke("Error", new object[1] { 3 });
		}

		private static void CheckVersion(ZRpc rpc, ZPackage pkg)
		{
			CheckVersion(rpc, pkg, null);
		}

		private static void CheckVersion(ZRpc rpc, ZPackage pkg, Action<ZRpc, ZPackage>? original)
		{
			string text = pkg.ReadString();
			string text2 = pkg.ReadString();
			string text3 = pkg.ReadString();
			bool flag = false;
			foreach (VersionCheck versionCheck in versionChecks)
			{
				if (!(text != versionCheck.Name))
				{
					Debug.Log((object)("Received " + versionCheck.DisplayName + " version " + text3 + " and minimum version " + text2 + " from the " + (ZNet.instance.IsServer() ? "client" : "server") + "."));
					versionCheck.ReceivedMinimumRequiredVersion = text2;
					versionCheck.ReceivedCurrentVersion = text3;
					if (ZNet.instance.IsServer() && versionCheck.IsVersionOk())
					{
						versionCheck.ValidatedClients.Add(rpc);
					}
					flag = true;
				}
			}
			if (flag)
			{
				return;
			}
			pkg.SetPos(0);
			if (original != null)
			{
				original(rpc, pkg);
				if (pkg.GetPos() == 0)
				{
					notProcessedNames.Add(text, text3);
				}
			}
		}

		[HarmonyPatch(typeof(ZNet), "RPC_PeerInfo")]
		[HarmonyPrefix]
		private static bool RPC_PeerInfo(ZRpc rpc, ZNet __instance)
		{
			VersionCheck[] array = (__instance.IsServer() ? GetFailedServer(rpc) : GetFailedClient());
			if (array.Length == 0)
			{
				return true;
			}
			VersionCheck[] array2 = array;
			foreach (VersionCheck versionCheck in array2)
			{
				Debug.LogWarning((object)versionCheck.Error(rpc));
			}
			if (__instance.IsServer())
			{
				DisconnectClient(rpc);
			}
			else
			{
				Logout();
			}
			return false;
		}

		[HarmonyPatch(typeof(ZNet), "OnNewConnection")]
		[HarmonyPrefix]
		private static void RegisterAndCheckVersion(ZNetPeer peer, ZNet __instance)
		{
			//IL_018e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0195: Expected O, but got Unknown
			notProcessedNames.Clear();
			IDictionary dictionary = (IDictionary)typeof(ZRpc).GetField("m_functions", BindingFlags.Instance | BindingFlags.NonPublic).GetValue(peer.m_rpc);
			if (dictionary.Contains(StringExtensionMethods.GetStableHashCode("ServerSync VersionCheck")))
			{
				object obj = dictionary[StringExtensionMethods.GetStableHashCode("ServerSync VersionCheck")];
				Action<ZRpc, ZPackage> action = (Action<ZRpc, ZPackage>)obj.GetType().GetField("m_action", BindingFlags.Instance | BindingFlags.NonPublic).GetValue(obj);
				peer.m_rpc.Register<ZPackage>("ServerSync VersionCheck", (Action<ZRpc, ZPackage>)delegate(ZRpc rpc, ZPackage pkg)
				{
					CheckVersion(rpc, pkg, action);
				});
			}
			else
			{
				peer.m_rpc.Register<ZPackage>("ServerSync VersionCheck", (Action<ZRpc, ZPackage>)CheckVersion);
			}
			foreach (VersionCheck versionCheck in versionChecks)
			{
				versionCheck.Initialize();
				if (versionCheck.ModRequired || __instance.IsServer())
				{
					Debug.Log((object)("Sending " + versionCheck.DisplayName + " version " + versionCheck.CurrentVersion + " and minimum version " + versionCheck.MinimumRequiredVersion + " to the " + (__instance.IsServer() ? "client" : "server") + "."));
					ZPackage val = new ZPackage();
					val.Write(versionCheck.Name);
					val.Write(versionCheck.MinimumRequiredVersion);
					val.Write(versionCheck.CurrentVersion);
					peer.m_rpc.Invoke("ServerSync VersionCheck", new object[1] { val });
				}
			}
		}

		[HarmonyPatch(typeof(ZNet), "Disconnect")]
		[HarmonyPrefix]
		private static void RemoveDisconnected(ZNetPeer peer, ZNet __instance)
		{
			if (!__instance.IsServer())
			{
				return;
			}
			foreach (VersionCheck versionCheck in versionChecks)
			{
				versionCheck.ValidatedClients.Remove(peer.m_rpc);
			}
		}

		[HarmonyPatch(typeof(FejdStartup), "ShowConnectError")]
		[HarmonyPostfix]
		private static void ShowConnectionError(FejdStartup __instance)
		{
			//IL_000e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0014: Invalid comparison between Unknown and I4
			//IL_0186: Unknown result type (might be due to invalid IL or missing references)
			//IL_018b: Unknown result type (might be due to invalid IL or missing references)
			//IL_0199: Unknown result type (might be due to invalid IL or missing references)
			//IL_01de: 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)
			//IL_01f8: Unknown result type (might be due to invalid IL or missing references)
			//IL_020a: 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_021e: 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)
			if (!__instance.m_connectionFailedPanel.activeSelf || (int)ZNet.GetConnectionStatus() != 3)
			{
				return;
			}
			bool flag = false;
			VersionCheck[] failedClient = GetFailedClient();
			if (failedClient.Length != 0)
			{
				string text = string.Join("\n", failedClient.Select((VersionCheck check) => check.Error()));
				TMP_Text connectionFailedError = __instance.m_connectionFailedError;
				connectionFailedError.text = connectionFailedError.text + "\n" + text;
				flag = true;
			}
			foreach (KeyValuePair<string, string> item in notProcessedNames.OrderBy<KeyValuePair<string, string>, string>((KeyValuePair<string, string> kv) => kv.Key))
			{
				if (!__instance.m_connectionFailedError.text.Contains(item.Key))
				{
					TMP_Text connectionFailedError2 = __instance.m_connectionFailedError;
					connectionFailedError2.text = connectionFailedError2.text + "\nServer expects you to have " + item.Key + " (Version: " + item.Value + ") installed.";
					flag = true;
				}
			}
			if (flag)
			{
				RectTransform component = ((Component)__instance.m_connectionFailedPanel.transform.Find("Image")).GetComponent<RectTransform>();
				Vector2 sizeDelta = component.sizeDelta;
				sizeDelta.x = 675f;
				component.sizeDelta = sizeDelta;
				__instance.m_connectionFailedError.ForceMeshUpdate(false, false);
				float num = __instance.m_connectionFailedError.renderedHeight + 105f;
				RectTransform component2 = ((Component)((Component)component).transform.Find("ButtonOk")).GetComponent<RectTransform>();
				component2.anchoredPosition = new Vector2(component2.anchoredPosition.x, component2.anchoredPosition.y - (num - component.sizeDelta.y) / 2f);
				sizeDelta = component.sizeDelta;
				sizeDelta.y = num;
				component.sizeDelta = sizeDelta;
			}
		}
	}
}
namespace System.Runtime.CompilerServices
{
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.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)
		{
			string name2 = name;
			return type.GetProperties(BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public).FirstOrDefault((PropertyInfo p) => p.Name == name2);
		}

		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)
		{
			string name2 = name;
			return type.GetRuntimeMethods().FirstOrDefault((MethodInfo m) => !m.IsPublic && m.IsStatic && m.Name.Equals(name2)) ?? throw new MissingMethodException("Expected to find a method named '" + name2 + "' in '" + type.FullName + "'.");
		}

		public static MethodInfo? GetPublicStaticMethod(this Type type, string name, params Type[] parameterTypes)
		{
			string name2 = name;
			Type[] parameterTypes2 = parameterTypes;
			return type.GetRuntimeMethods().FirstOrDefault(delegate(MethodInfo m)
			{
				if (m.IsPublic && m.IsStatic && m.Name.Equals(name2))
				{
					ParameterInfo[] parameters = m.GetParameters();
					if (parameters.Length == parameterTypes2.Length)
					{
						return parameters.Zip(parameterTypes2, (ParameterInfo pi, Type pt) => pi.ParameterType == pt).All((bool r) => r);
					}
					return false;
				}
				return false;
			});
		}

		public static MethodInfo? GetPublicInstanceMethod(this Type type, string name)
		{
			string name2 = name;
			return type.GetRuntimeMethods().FirstOrDefault((MethodInfo m) => m.IsPublic && !m.IsStatic && m.Name.Equals(name2));
		}

		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)
		{
			IYamlTypeConverter typeConverter2 = typeConverter;
			if (typeConverter2 == null)
			{
				throw new ArgumentNullException("typeConverter");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(typeConverterFactories.CreateRegistrationLocationSelector(typeConverter2.GetType(), (Nothing _) => typeConverter2));
			return Self;
		}

		public TBuilder WithTypeConverter<TYamlTypeConverter>(WrapperFactory<IYamlTypeConverter, IYamlTypeConverter> typeConverterFactory, Action<ITrackingRegistrationLocationSelectionSyntax<IYamlTypeConverter>> where) where TYamlTypeConverter : IYamlTypeConverter
		{
			WrapperFactory<IYamlTypeConverter, IYamlTypeConverter> typeConverterFactory2 = typeConverterFactory;
			if (typeConverterFactory2 == null)
			{
				throw new ArgumentNullException("typeConverterFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(typeConverterFactories.CreateTrackingRegistrationLocationSelector(typeof(TYamlTypeConverter), (IYamlTypeConverter wrapped, Nothing _) => typeConverterFactory2(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
		{
			Func<ITypeInspector, TTypeInspector> typeInspectorFactory2 = typeInspectorFactory;
			if (typeInspectorFactory2 == null)
			{
				throw new ArgumentNullException("typeInspectorFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(typeInspectorFactories.CreateRegistrationLocationSelector(typeof(TTypeInspector), (ITypeInspector inner) => typeInspectorFactory2(inner)));
			return Self;
		}

		public TBuilder WithTypeInspector<TTypeInspector>(WrapperFactory<ITypeInspector, ITypeInspector, TTypeInspector> typeInspectorFactory, Action<ITrackingRegistrationLocationSelectionSyntax<ITypeInspector>> where) where TTypeInspector : ITypeInspector
		{
			WrapperFactory<ITypeInspector, ITypeInspector, TTypeInspector> typeInspectorFactory2 = typeInspectorFactory;
			if (typeInspectorFactory2 == null)
			{
				throw new ArgumentNullException("typeInspectorFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(typeInspectorFactories.CreateTrackingRegistrationLocationSelector(typeof(TTypeInspector), (ITypeInspector wrapped, ITypeInspector inner) => typeInspectorFactory2(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)
		{
			IObjectFactory objectFactory2 = objectFactory;
			if (objectFactory2 == null)
			{
				throw new ArgumentNullException("objectFactory");
			}
			this.objectFactory = new Lazy<IObjectFactory>(() => objectFactory2, 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)
		{
			INodeDeserializer nodeDeserializer2 = nodeDeserializer;
			if (nodeDeserializer2 == null)
			{
				throw new ArgumentNullException("nodeDeserializer");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(nodeDeserializerFactories.CreateRegistrationLocationSelector(nodeDeserializer2.GetType(), (Nothing _) => nodeDeserializer2));
			return this;
		}

		public DeserializerBuilder WithNodeDeserializer<TNodeDeserializer>(WrapperFactory<INodeDeserializer, TNodeDeserializer> nodeDeserializerFactory, Action<ITrackingRegistrationLocationSelectionSyntax<INodeDeserializer>> where) where TNodeDeserializer : INodeDeserializer
		{
			WrapperFactory<INodeDeserializer, TNodeDeserializer> nodeDeserializerFactory2 = nodeDeserializerFactory;
			if (nodeDeserializerFactory2 == null)
			{
				throw new ArgumentNullException("nodeDeserializerFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(nodeDeserializerFactories.CreateTrackingRegistrationLocationSelector(typeof(TNodeDeserializer), (INodeDeserializer wrapped, Nothing _) => nodeDeserializerFactory2(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)
		{
			INodeTypeResolver nodeTypeResolver2 = nodeTypeResolver;
			if (nodeTypeResolver2 == null)
			{
				throw new ArgumentNullException("nodeTypeResolver");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(nodeTypeResolverFactories.CreateRegistrationLocationSelector(nodeTypeResolver2.GetType(), (Nothing _) => nodeTypeResolver2));
			return this;
		}

		public DeserializerBuilder WithNodeTypeResolver<TNodeTypeResolver>(WrapperFactory<INodeTypeResolver, TNodeTypeResolver> nodeTypeResolverFactory, Action<ITrackingRegistrationLocationSelectionSyntax<INodeTypeResolver>> where) where TNodeTypeResolver : INodeTypeResolver
		{
			WrapperFactory<INodeTypeResolver, TNodeTypeResolver> nodeTypeResolverFactory2 = nodeTypeResolverFactory;
			if (nodeTypeResolverFactory2 == null)
			{
				throw new ArgumentNullException("nodeTypeResolverFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(nodeTypeResolverFactories.CreateTrackingRegistrationLocationSelector(typeof(TNodeTypeResolver), (INodeTypeResolver wrapped, Nothing _) => nodeTypeResolverFactory2(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)
		{
			Func<TComponent, TArgument> argumentBuilder2 = argumentBuilder;
			return registrations.InReverseOrder.Aggregate(innerComponent, (TComponent inner, Func<TArgument, TComponent> factory) => factory(argumentBuilder2(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)
		{
			TArgument argument2 = argument;
			return registrations.Select((Func<TArgument, TComponent> factory) => factory(argument2)).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)
			{
				IEmitter emitter2 = emitter;
				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, emitter2, NestedObjectSerializer);
				void NestedObjectSerializer(object? v, Type? t)
				{
					SerializeValue(emitter2, 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
		{
			Func<IEventEmitter, TEventEmitter> eventEmitterFactory2 = eventEmitterFactory;
			return WithEventEmitter((IEventEmitter e, ITypeInspector _) => eventEmitterFactory2(e), where);
		}

		public SerializerBuilder WithEventEmitter<TEventEmitter>(Func<IEventEmitter, ITypeInspector, TEventEmitter> eventEmitterFactory, Action<IRegistrationLocationSelectionSyntax<IEventEmitter>> where) where TEventEmitter : IEventEmitter
		{
			Func<IEventEmitter, ITypeInspector, TEventEmitter> eventEmitterFactory2 = eventEmitterFactory;
			if (eventEmitterFactory2 == null)
			{
				throw new ArgumentNullException("eventEmitterFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(eventEmitterFactories.CreateRegistrationLocationSelector(typeof(TEventEmitter), (IEventEmitter inner) => eventEmitterFactory2(inner, BuildTypeInspector())));
			return Self;
		}

		public SerializerBuilder WithEventEmitter<TEventEmitter>(WrapperFactory<IEventEmitter, IEventEmitter, TEventEmitter> eventEmitterFactory, Action<ITrackingRegistrationLocationSelectionSyntax<IEventEmitter>> where) where TEventEmitter : IEventEmitter
		{
			WrapperFactory<IEventEmitter, IEventEmitter, TEventEmitter> eventEmitterFactory2 = eventEmitterFactory;
			if (eventEmitterFactory2 == null)
			{
				throw new ArgumentNullException("eventEmitterFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(eventEmitterFactories.CreateTrackingRegistrationLocationSelector(typeof(TEventEmitter), (IEventEmitter wrapped, IEventEmitter inner) => eventEmitterFactory2(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>
		{
			TObjectGraphVisitor objectGraphVisitor2 = objectGraphVisitor;
			if (objectGraphVisitor2 == null)
			{
				throw new ArgumentNullException("objectGraphVisitor");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(preProcessingPhaseObjectGraphVisitorFactories.CreateRegistrationLocationSelector(typeof(TObjectGraphVisitor), (IEnumerable<IYamlTypeConverter> _) => objectGraphVisitor2));
			return this;
		}

		public SerializerBuilder WithPreProcessingPhaseObjectGraphVisitor<TObjectGraphVisitor>(Func<IEnumerable<IYamlTypeConverter>, TObjectGraphVisitor> objectGraphVisitorFactory, Action<IRegistrationLocationSelectionSyntax<IObjectGraphVisitor<Nothing>>> where) where TObjectGraphVisitor : IObjectGraphVisitor<Nothing>
		{
			Func<IEnumerable<IYamlTypeConverter>, TObjectGraphVisitor> objectGraphVisitorFactory2 = objectGraphVisitorFactory;
			if (objectGraphVisitorFactory2 == null)
			{
				throw new ArgumentNullException("objectGraphVisitorFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(preProcessingPhaseObjectGraphVisitorFactories.CreateRegistrationLocationSelector(typeof(TObjectGraphVisitor), (IEnumerable<IYamlTypeConverter> typeConverters) => objectGraphVisitorFactory2(typeConverters)));
			return this;
		}

		public SerializerBuilder WithPreProcessingPhaseObjectGraphVisitor<TObjectGraphVisitor>(WrapperFactory<IObjectGraphVisitor<Nothing>, TObjectGraphVisitor> objectGraphVisitorFactory, Action<ITrackingRegistrationLocationSelectionSyntax<IObjectGraphVisitor<Nothing>>> where) where TObjectGraphVisitor : IObjectGraphVisitor<Nothing>
		{
			WrapperFactory<IObjectGraphVisitor<Nothing>, TObjectGraphVisitor> objectGraphVisitorFactory2 = objectGraphVisitorFactory;
			if (objectGraphVisitorFactory2 == null)
			{
				throw new ArgumentNullException("objectGraphVisitorFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(preProcessingPhaseObjectGraphVisitorFactories.CreateTrackingRegistrationLocationSelector(typeof(TObjectGraphVisitor), (IObjectGraphVisitor<Nothing> wrapped, IEnumerable<IYamlTypeConverter> _) => objectGraphVisitorFactory2(wrapped)));
			return this;
		}

		public SerializerBuilder WithPreProcessingPhaseObjectGraphVisitor<TObjectGraphVisitor>(WrapperFactory<IEnumerable<IYamlTypeConverter>, IObjectGraphVisitor<Nothing>, TObjectGraphVisitor> objectGraphVisitorFactory, Action<ITrackingRegistrationLocationSelectionSyntax<IObjectGraphVisitor<Nothing>>> where) where TObjectGraphVisitor : IObjectGraphVisitor<Nothing>
		{
			WrapperFactory<IEnumerable<IYamlTypeConverter>, IObjectGraphVisitor<Nothing>, TObjectGraphVisitor> objectGraphVisitorFactory2 = objectGraphVisitorFactory;
			if (objectGraphVisitorFactory2 == null)
			{
				throw new ArgumentNullException("objectGraphVisitorFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(preProcessingPhaseObjectGraphVisitorFactories.CreateTrackingRegistrationLocationSelector(typeof(TObjectGraphVisitor), (IObjectGraphVisitor<Nothing> wrapped, IEnumerable<IYamlTypeConverter> typeConverters) => objectGraphVisitorFactory2(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>
		{
			Func<EmissionPhaseObjectGraphVisitorArgs, TObjectGraphVisitor> objectGraphVisitorFactory2 = objectGraphVisitorFactory;
			if (objectGraphVisitorFactory2 == null)
			{
				throw new ArgumentNullException("objectGraphVisitorFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(emissionPhaseObjectGraphVisitorFactories.CreateRegistrationLocationSelector(typeof(TObjectGraphVisitor), (EmissionPhaseObjectGraphVisitorArgs args) => objectGraphVisitorFactory2(args)));
			return this;
		}

		public SerializerBuilder WithEmissionPhaseObjectGraphVisitor<TObjectGraphVisitor>(WrapperFactory<EmissionPhaseObjectGraphVisitorArgs, IObjectGraphVisitor<IEmitter>, TObjectGraphVisitor> objectGraphVisitorFactory, Action<ITrackingRegistrationLocationSelectionSyntax<IObjectGraphVisitor<IEmitter>>> where) where TObjectGraphVisitor : IObjectGraphVisitor<IEmitter>
		{
			WrapperFactory<EmissionPhaseObjectGraphVisitorArgs, IObjectGraphVisitor<IEmitter>, TObjectGraphVisitor> objectGraphVisitorFactory2 = objectGraphVisitorFactory;
			if (objectGraphVisitorFactory2 == null)
			{
				throw new ArgumentNullException("objectGraphVisitorFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(emissionPhaseObjectGraphVisitorFactories.CreateTrackingRegistrationLocationSelector(typeof(TObjectGraphVisitor), (IObjectGraphVisitor<IEmitter> wrapped, EmissionPhaseObjectGraphVisitorArgs args) => objectGraphVisitorFactory2(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)
		{
			IYamlTypeConverter typeConverter2 = typeConverter;
			if (typeConverter2 == null)
			{
				throw new ArgumentNullException("typeConverter");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(typeConverterFactories.CreateRegistrationLocationSelector(typeConverter2.GetType(), (Nothing _) => typeConverter2));
			return Self;
		}

		public TBuilder WithTypeConverter<TYamlTypeConverter>(WrapperFactory<IYamlTypeConverter, IYamlTypeConverter> typeConverterFactory, Action<ITrackingRegistrationLocationSelectionSyntax<IYamlTypeConverter>> where) where TYamlTypeConverter : IYamlTypeConverter
		{
			WrapperFactory<IYamlTypeConverter, IYamlTypeConverter> typeConverterFactory2 = typeConverterFactory;
			if (typeConverterFactory2 == null)
			{
				throw new ArgumentNullException("typeConverterFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(typeConverterFactories.CreateTrackingRegistrationLocationSelector(typeof(TYamlTypeConverter), (IYamlTypeConverter wrapped, Nothing _) => typeConverterFactory2(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
		{
			Func<ITypeInspector, TTypeInspector> typeInspectorFactory2 = typeInspectorFactory;
			if (typeInspectorFactory2 == null)
			{
				throw new ArgumentNullException("typeInspectorFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(typeInspectorFactories.CreateRegistrationLocationSelector(typeof(TTypeInspector), (ITypeInspector inner) => typeInspectorFactory2(inner)));
			return Self;
		}

		public TBuilder WithTypeInspector<TTypeInspector>(WrapperFactory<ITypeInspector, ITypeInspector, TTypeInspector> typeInspectorFactory, Action<ITrackingRegistrationLocationSelectionSyntax<ITypeInspector>> where) where TTypeInspector : ITypeInspector
		{
			WrapperFactory<ITypeInspector, ITypeInspector, TTypeInspector> typeInspectorFactory2 = typeInspectorFactory;
			if (typeInspectorFactory2 == null)
			{
				throw new ArgumentNullException("typeInspectorFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(typeInspectorFactories.CreateTrackingRegistrationLocationSelector(typeof(TTypeInspector), (ITypeInspector wrapped, ITypeInspector inner) => typeInspectorFactory2(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)
		{
			INodeDeserializer nodeDeserializer2 = nodeDeserializer;
			if (nodeDeserializer2 == null)
			{
				throw new ArgumentNullException("nodeDeserializer");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(nodeDeserializerFactories.CreateRegistrationLocationSelector(nodeDeserializer2.GetType(), (Nothing _) => nodeDeserializer2));
			return this;
		}

		public StaticDeserializerBuilder WithNodeDeserializer<TNodeDeserializer>(WrapperFactory<INodeDeserializer, TNodeDeserializer> nodeDeserializerFactory, Action<ITrackingRegistrationLocationSelectionSyntax<INodeDeserializer>> where) where TNodeDeserializer : INodeDeserializer
		{
			WrapperFactory<INodeDeserializer, TNodeDeserializer> nodeDeserializerFactory2 = nodeDeserializerFactory;
			if (nodeDeserializerFactory2 == null)
			{
				throw new ArgumentNullException("nodeDeserializerFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(nodeDeserializerFactories.CreateTrackingRegistrationLocationSelector(typeof(TNodeDeserializer), (INodeDeserializer wrapped, Nothing _) => nodeDeserializerFactory2(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)
		{
			INodeTypeResolver nodeTypeResolver2 = nodeTypeResolver;
			if (nodeTypeResolver2 == null)
			{
				throw new ArgumentNullException("nodeTypeResolver");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(nodeTypeResolverFactories.CreateRegistrationLocationSelector(nodeTypeResolver2.GetType(), (Nothing _) => nodeTypeResolver2));
			return this;
		}

		public StaticDeserializerBuilder WithNodeTypeResolver<TNodeTypeResolver>(WrapperFactory<INodeTypeResolver, TNodeTypeResolver> nodeTypeResolverFactory, Action<ITrackingRegistrationLocationSelectionSyntax<INodeTypeResolver>> where) where TNodeTypeResolver : INodeTypeResolver
		{
			WrapperFactory<INodeTypeResolver, TNodeTypeResolver> nodeTypeResolverFactory2 = nodeTypeResolverFactory;
			if (nodeTypeResolverFactory2 == null)
			{
				throw new ArgumentNullException("nodeTypeResolverFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(nodeTypeResolverFactories.CreateTrackingRegistrationLocationSelector(typeof(TNodeTypeResolver), (INodeTypeResolver wrapped, Nothing _) => nodeTypeResolverFactory2(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)
			{
				IEmitter emitter2 = emitter;
				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, emitter2, NestedObjectSerializer);
				void NestedObjectSerializer(object? v, Type? t)
				{
					SerializeValue(emitter2, 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
		{
			Func<IEventEmitter, TEventEmitter> eventEmitterFactory2 = eventEmitterFactory;
			return WithEventEmitter((IEventEmitter e, ITypeInspector _) => eventEmitterFactory2(e), where);
		}

		public StaticSerializerBuilder WithEventEmitter<TEventEmitter>(Func<IEventEmitter, ITypeInspector, TEventEmitter> eventEmitterFactory, Action<IRegistrationLocationSelectionSyntax<IEventEmitter>> where) where TEventEmitter : IEventEmitter
		{
			Func<IEventEmitter, ITypeInspector, TEventEmitter> eventEmitterFactory2 = eventEmitterFactory;
			if (eventEmitterFactory2 == null)
			{
				throw new ArgumentNullException("eventEmitterFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(eventEmitterFactories.CreateRegistrationLocationSelector(typeof(TEventEmitter), (IEventEmitter inner) => eventEmitterFactory2(inner, BuildTypeInspector())));
			return Self;
		}

		public StaticSerializerBuilder WithEventEmitter<TEventEmitter>(WrapperFactory<IEventEmitter, IEventEmitter, TEventEmitter> eventEmitterFactory, Action<ITrackingRegistrationLocationSelectionSyntax<IEventEmitter>> where) where TEventEmitter : IEventEmitter
		{
			WrapperFactory<IEventEmitter, IEventEmitter, TEventEmitter> eventEmitterFactory2 = eventEmitterFactory;
			if (eventEmitterFactory2 == null)
			{
				throw new ArgumentNullException("eventEmitterFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(eventEmitterFactories.CreateTrackingRegistrationLocationSelector(typeof(TEventEmitter), (IEventEmitter wrapped, IEventEmitter inner) => eventEmitterFactory2(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>
		{
			TObjectGraphVisitor objectGraphVisitor2 = objectGraphVisitor;
			if (objectGraphVisitor2 == null)
			{
				throw new ArgumentNullException("objectGraphVisitor");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(preProcessingPhaseObjectGraphVisitorFactories.CreateRegistrationLocationSelector(typeof(TObjectGraphVisitor), (IEnumerable<IYamlTypeConverter> _) => objectGraphVisitor2));
			return this;
		}

		public StaticSerializerBuilder WithPreProcessingPhaseObjectGraphVisitor<TObjectGraphVisitor>(Func<IEnumerable<IYamlTypeConverter>, TObjectGraphVisitor> objectGraphVisitorFactory, Action<IRegistrationLocationSelectionSyntax<IObjectGraphVisitor<Nothing>>> where) where TObjectGraphVisitor : IObjectGraphVisitor<Nothing>
		{
			Func<IEnumerable<IYamlTypeConverter>, TObjectGraphVisitor> objectGraphVisitorFactory2 = objectGraphVisitorFactory;
			if (objectGraphVisitorFactory2 == null)
			{
				throw new ArgumentNullException("objectGraphVisitorFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(preProcessingPhaseObjectGraphVisitorFactories.CreateRegistrationLocationSelector(typeof(TObjectGraphVisitor), (IEnumerable<IYamlTypeConverter> typeConverters) => objectGraphVisitorFactory2(typeConverters)));
			return this;
		}

		public StaticSerializerBuilder WithPreProcessingPhaseObjectGraphVisitor<TObjectGraphVisitor>(WrapperFactory<IObjectGraphVisitor<Nothing>, TObjectGraphVisitor> objectGraphVisitorFactory, Action<ITrackingRegistrationLocationSelectionSyntax<IObjectGraphVisitor<Nothing>>> where) where TObjectGraphVisitor : IObjectGraphVisitor<Nothing>
		{
			WrapperFactory<IObjectGraphVisitor<Nothing>, TObjectGraphVisitor> objectGraphVisitorFactory2 = objectGraphVisitorFactory;
			if (objectGraphVisitorFactory2 == null)
			{
				throw new ArgumentNullException("objectGraphVisitorFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(preProcessingPhaseObjectGraphVisitorFactories.CreateTrackingRegistrationLocationSelector(typeof(TObjectGraphVisitor), (IObjectGraphVisitor<Nothing> wrapped, IEnumerable<IYamlTypeConverter> _) => objectGraphVisitorFactory2(wrapped)));
			return this;
		}

		public StaticSerializerBuilder WithPreProcessingPhaseObjectGraphVisitor<TObjectGraphVisitor>(WrapperFactory<IEnumerable<IYamlTypeConverter>, IObjectGraphVisitor<Nothing>, TObjectGraphVisitor> objectGraphVisitorFactory, Action<ITrackingRegistrationLocationSelectionSyntax<IObjectGraphVisitor<Nothing>>> where) where TObjectGraphVisitor : IObjectGraphVisitor<Nothing>
		{
			WrapperFactory<IEnumerable<IYamlTypeConverter>, IObjectGraphVisitor<Nothing>, TObjectGraphVisitor> objectGraphVisitorFactory2 = objectGraphVisitorFactory;
			if (objectGraphVisitorFactory2 == null)
			{
				throw new ArgumentNullException("objectGraphVisitorFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(preProcessingPhaseObjectGraphVisitorFactories.CreateTrackingRegistrationLocationSelector(typeof(TObjectGraphVisitor), (IObjectGraphVisitor<Nothing> wrapped, IEnumerable<IYamlTypeConverter> typeConverters) => objectGraphVisitorFactory2(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>
		{
			Func<EmissionPhaseObjectGraphVisitorArgs, TObjectGraphVisitor> objectGraphVisitorFactory2 = objectGraphVisitorFactory;
			if (objectGraphVisitorFactory2 == null)
			{
				throw new ArgumentNullException("objectGraphVisitorFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(emissionPhaseObjectGraphVisitorFactories.CreateRegistrationLocationSelector(typeof(TObjectGraphVisitor), (EmissionPhaseObjectGraphVisitorArgs args) => objectGraphVisitorFactory2(args)));
			return this;
		}

		public StaticSerializerBuilder WithEmissionPhaseObjectGraphVisitor<TObjectGraphVisitor>(WrapperFactory<EmissionPhaseObjectGraphVisitorArgs, IObjectGraphVisitor<IEmitter>, TObjectGraphVisitor> objectGraphVisitorFactory, Action<ITrackingRegistrationLocationSelectionSyntax<IObjectGraphVisitor<IEmitter>>> where) where TObjectGraphVisitor : IObjectGraphVisitor<IEmitter>
		{
			WrapperFactory<EmissionPhaseObjectGraphVisitorArgs, IObjectGraphVisitor<IEmitter>, TObjectGraphVisitor> objectGraphVisitorFactory2 = objectGraphVisitorFactory;
			if (objectGraphVisitorFactory2 == null)
			{
				throw new ArgumentNullException("objectGraphVisitorFactory");
			}
			if (where == null)
			{
				throw new ArgumentNullException("where");
			}
			where(emissionPhaseObjectGraphVisitorFactories.CreateTrackingRegistrationLocationSelector(typeof(TObjectGraphVisitor), (IObjectGraphVisitor<IEmitter> wrapped, EmissionPhaseObjectGraphVisitorArgs args) => objectGraphVisitorFactory2(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)
		{
			Type type2 = type;
			IEnumerable<IPropertyDescriptor> enumerable = innerTypeDescriptor.GetProperties(type2, container);
			if (overrides != null)
			{
				enumerable = enumerable.Select((Func<IPropertyDescriptor, IPropertyDescriptor>)((IPropertyDescriptor p) => new OverridePropertyDescriptor(p, overrides, type2)));
			}
			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).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;
						Mark start = alias.Start;
						Mark end = alias.End;
						throw new AnchorNotFoundException(in start, in 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))
				{
					Mark start = @event.Start;
					Mark end = @event.End;
					throw new AnchorNotFoundException(in start, in 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)
		{
			IParser parser2 = parser;
			SerializerState state2 = state;
			IValueDeserializer nestedObjectDeserializer2 = nestedObjectDeserializer;
			parser2.Accept<NodeEvent>(out var @event);
			Type typeFromEvent = GetTypeFromEvent(@event, expectedType);
			ObjectDeserializer rootDeserializer = (Type x) => DeserializeValue(parser2, x, state2, nestedObjectDeserializer2);
			Mark start;
			Mark end;
			try
			{
				foreach (INodeDeserializer deserializer in deserializers)
				{
					if (deserializer.Deserialize(parser2, typeFromEvent, (IParser r, Type t) => nestedObjectDeserializer2.DeserializeValue(r, t, state2, nestedObjectDeserializer2), out object value, rootDeserializer))
					{
						return typeConverter.ChangeType(value, expectedType, enumNamingConvention, typeInspector);
					}
				}
			}
			catch (YamlException)
			{
				throw;
			}
			catch (Exception innerException)
			{
				start = @event?.Start ?? Mark.Empty;
				end = @event?.End ?? Mark.Empty;
				throw new YamlException(in start, in end, "Exception during deserialization", innerException);
			}
			start = @event?.Start ?? Mark.Empty;
			end = @event?.End ?? Mark.Empty;
			throw new YamlException(in start, in end, "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)
		{
			string separator2 = separator;
			str = char.ToLower(str[0], CultureInfo.InvariantCulture) + str.Substring(1);
			str = Regex.Replace(str.ToCamelCase(), "(?<char>[A-Z])", (Match match) => separator2 + 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 (true, yamlTypeConverter);
				}
			}
			return (false, 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)
		{
			Type type2 = type;
			object container2 = container;
			return typeInspectors.SelectMany((ITypeInspector i) => i.GetProperties(type2, container2));
		}
	}
	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)
		{
			string name2 = name;
			IEnumerable<IPropertyDescriptor> enumerable = ((!caseInsensitivePropertyMatching) ? (from p in GetProperties(type, container)
				where p.Name == name2
				select p) : (from p in GetProperties(type, container)
				where p.Name.Equals(name2, StringComparison.OrdinalIgnoreCase)
				select p));
			using IEnumerator<IPropertyDescriptor> enumerator = enumerable.GetEnumerator();
			if (!enumerator.MoveNext())
			{
				if (ignoreUnmatched)
				{
					return null;
				}
				throw new SerializationException("Property '" + name2 + "' not found on type '" + type.FullName + "'.");
			}
			IPropertyDescriptor current = enumerator.Current;
			if (enumerator.MoveNext())
			{
				throw new SerializationException("Multiple properties with the name/alias '" + name2 + "' 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) != 0 && value.Value == null)
			{
				return false;
			}
			if ((defaultValuesHandling & DefaultValuesHandling.OmitEmptyCollections) != 0 && 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) != 0)
			{
				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)
		{
			Type attributeType2 = attributeType;
			ConcurrentDictionary<Type, MethodInfo[]> concurrentDictionary = stateMethods[attributeType2];
			return concurrentDictionary.GetOrAdd(valueType, delegate(Type type)
			{
				MethodInfo[] methods = type.GetMethods(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
				return methods.Where((MethodInfo x) => x.GetCustomAttributes(attributeType2, 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)
			{
				Mark start = nodeEvent.Start;
				Mark end = nodeEvent.End;
				throw new YamlException(in start, in 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? value)
			{
				if (array == null)
				{
					throw new InvalidOperationException("Destination array is still null");
				}
				array.SetValue(YamlDotNet.Serialization.Utilities.TypeConverter.ChangeType(value, 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)
		{
			IList result2 = result;
			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)
					{
						Mark start = current?.Start ?? Mark.Empty;
						Mark end = current?.End ?? Mark.Empty;
						throw new ForwardAnchorNotSupportedException(in start, in end, "Forward alias references are not allowed because this type does not implement IList<>");
					}
					int index = result2.Add(objectFactory.CreatePrimitive(tItem));
					valuePromise.ValueAvailable += delegate(object? v)
					{
						result2[index] = v;
					};
				}
				else
				{
					result2.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)
		{
			Action<int, object?> promiseResolvedHandler2 = promiseResolvedHandler;
			IList result2 = result;
			Type tItem2 = tItem;
			INamingConvention enumNamingConvention2 = enumNamingConvention;
			ITypeInspector typeInspector2 = typeInspector;
			parser.Consume<SequenceStart>();
			SequenceEnd @event;
			while (!parser.TryConsume<SequenceEnd>(out @event))
			{
				ParsingEvent current = parser.Current;
				object obj = nestedObjectDeserializer(parser, tItem2);
				if (obj is IValuePromise valuePromise)
				{
					if (!canUpdate)
					{
						Mark start = current?.Start ?? Mark.Empty;
						Mark end = current?.End ?? Mark.Empty;
						throw new ForwardAnchorNotSupportedException(in start, in end, "Forward alias references are not allowed because this type does not implement IList<>");
					}
					int index = result2.Add(tItem2.IsValueType() ? Activator.CreateInstance(tItem2) : null);
					if (promiseResolvedHandler2 != null)
					{
						valuePromise.ValueAvailable += delegate(object? v)
						{
							promiseResolvedHandler2(index, v);
						};
					}
					else
					{
						valuePromise.ValueAvailable += delegate(object? v)
						{
							result2[index] = YamlDotNet.Serialization.Utilities.TypeConverter.ChangeType(v, tItem2, enumNamingConvention2, typeInspector2);
						};
					}
				}
				else
				{
					result2.Add(YamlDotNet.Serialization.Utilities.TypeConverter.ChangeType(obj, tItem2, enumNamingConvention2, typeInspector2));
				}
			}
		}
	}
	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))
			{
				Mark start = propertyName.Start;
				Mark end = propertyName.End;
				throw new YamlException(in start, in 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)
		{
			IDictionary result2 = result;
			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)
						{
							result2[v] = value;
						};
						continue;
					}
					bool hasFirstPart = false;
					valuePromise2.ValueAvailable += delegate(object? v)
					{
						if (hasFirstPart)
						{
							TryAssign(result2, v, value, property);
						}
						else
						{
							key = v;
							hasFirstPart = true;
						}
					};
					valuePromise.ValueAvailable += delegate(object? v)
					{
						if (hasFirstPart)
						{
							TryAssign(result2, 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(result2, key, value, property);
					continue;
				}
				valuePromise.ValueAvailable += delegate(object? v)
				{
					result2[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 scalar && scalar.Style == ScalarStyle.Plain && !scalar.IsKey)
			{
				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))
				{
					Mark start2 = propertyName.Start;
					Mark end = propertyName.End;
					throw new YamlException(in start2, in 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);
					}
					goto IL_0267;
				}
				catch (SerializationException ex)
				{
					Mark start2 = propertyName.Start;
					Mark end = propertyName.End;
					throw new YamlException(in start2, in end, ex.Message);
				}
				catch (YamlException)
				{
					throw;
				}
				catch (Exception innerException)
				{
					Mark start2 = propertyName.Start;
					Mark end = propertyName.End;
					throw new YamlException(in start2, in end, "Exception during deserialization", innerException);
				}
				IL_0267:
				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)
			{
				Mark start = propertyName.Start;
				Mark end = propertyName.End;
				throw new YamlException(in start, in 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).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)
		{
			IList result2 = result;
			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 = result2.Add(factory.CreatePrimitive(tItem));
					valuePromise.ValueAvailable += delegate(object? v)
					{
						result2[index] = v;
					};
				}
				else
				{
					result2.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)
		{
			Func<IParser, Type, object?> nestedObjectDeserializer2 = nestedObjectDeserializer;
			IParser parser2 = parser;
			if (typeof(IYamlConvertible).IsAssignableFrom(expectedType))
			{
				IYamlConvertible yamlConvertible = (IYamlConvertible)objectFactory.Create(expectedType);
				yamlConvertible.Read(parser2, expectedType, (Type type) => nestedObjectDeserializer2(parser2, 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)
		{
			Type expectedType2 = expectedType;
			if (!reader.Accept<MappingStart>(out var _))
			{
				value = null;
				return false;
			}
			IEnumerable<ITypeDiscriminator> enumerable = typeDiscriminators.Where((ITypeDiscriminator t) => t.BaseType.IsAssignableFrom(expectedType2));
			if (!enumerable.Any())
			{
				value = null;
				return false;
			}
			Mark start = reader.Current.Start;
			Type expectedType3 = expectedType2;
			ParserBuffer parserBuffer;
			try
			{
				parserBuffer = new ParserBuffer(reader, maxDepthToBuffer, maxLengthToBuffer);
			}
			catch (Exception innerException)
			{
				Mark end = reader.Current.End;
				throw new YamlException(in start, in end, "Failed to buffer yaml node", innerException);
			}
			try
			{
				foreach (ITypeDiscriminator item in enumerable)
				{
					parserBuffer.Reset();
					if (item.TryDiscriminate(parserBuffer, out Type suggestedType))
					{
						expectedType3 = suggestedType;
						break;
					}
				}
			}
			catch (Exception innerException2)
			{
				Mark end = reader.Current.End;
				throw new YamlException(in start, in end, "Failed to discriminate type", innerException2);
			}
			parserBuffer.Reset();
			foreach (INodeDeserializer innerDeserializer in innerDeserializers)
			{
				if (innerDeserializer.Deserialize(parserBuffer, expectedType3, 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 scalar) => targetKey == scalar.Value, out YamlDotNet.Core.Events.Scalar _, out ParsingEvent value) && value is YamlDotNet.Core.Events.Scalar scalar2 && typeMapping.TryGetValue(scalar2.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))
				{
					Mark start = yamlNode.Start;
					Mark end = yamlNode.End;
					throw new YamlException(in start, in 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).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).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
			{
				TKey key2 = key;
				if (dictionary.ContainsKey(key2))
				{
					int index = list.FindIndex((KeyValuePair<TKey, TValue> kvp) => comparer.Equals(kvp.Key, key2));
					dictionary[key2] = value;
					list[index] = new KeyValuePair<TKey, TValue>(key2, value);
				}
				else
				{
					Add(key2, 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)
		{
			TKey key2 = key;
			if (dictionary.ContainsKey(key2))
			{
				int index = list.FindIndex((KeyValuePair<TKey, TValue> kvp) => comparer.Equals(kvp.Key, key2));
				list.RemoveAt(index);
				if (!dictionary.Remove(key2))
				{
					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).Dispose();
			}
		}

		private bool ValueIsRepresentableInOutputEncoding(string value)
		{
			if (outputUsesUnicodeEncoding)
			{
				return true;
			}
			try
			{
				byte[] bytes = output.Encoding.GetBytes(value);
				string @string = output.Encoding.GetString(bytes, 0, bytes.Length);
				return @string.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).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).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 mappingStart)
				{
					AnchorName anchor = mappingStart.Anchor;
					if (!anchor.IsEmpty)
					{
						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)
			{
				Mark start = e.Start;
				Mark end = e.End;
				clonedEvent = new SequenceEnd(in start, in 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)
			{
				Mark start = e.Start;
				Mark end = e.End;
				clonedEvent = new MappingEnd(in start, in 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))
					{
						Mark start = @event.Value.Start;
						Mark end = @event.Value.End;
						throw new SemanticErrorException(in start, in 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 @object = 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(@object.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();
			Mark start;
			Mark end;
			if (!(token is YamlDotNet.Core.Tokens.StreamStart streamStart))
			{
				start = token?.Start ?? Mark.Empty;
				end = token?.End ?? Mark.Empty;
				throw new SemanticErrorException(in start, in end, "Did not find expected <stream-start>.");
			}
			Skip();
			state = ParserState.ImplicitDocumentStart;
			start = streamStart.Start;
			end = streamStart.End;
			return new YamlDotNet.Core.Events.StreamStart(in start, in 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);
			}
			Mark start2;
			Mark 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))
				{
					start2 = token.Start;
					end = token.End;
					throw new SemanticErrorException(in start2, in end, "Did not find expected <document start>.");
				}
				states.Push(ParserState.DocumentEnd);
				state = ParserState.DocumentContent;
				Mark end2 = token.End;
				Skip();
				return new YamlDotNet.Core.Events.DocumentStart(versionDirective, tags2, isImplicit: false, start, end2);
			}
			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");
			start2 = token.Start;
			end = token.End;
			YamlDotNet.Core.Events.StreamEnd result = new YamlDotNet.Core.Events.StreamEnd(in start2, in 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)
					{
						Mark start = versionDirective.Start;
						Mark end = versionDirective.End;
						throw new SemanticErrorException(in start, in end, "Found duplicate %YAML directive.");
					}
					if (versionDirective.Version.Major != 1 || versionDirective.Version.Minor > 3)
					{
						Mark start = versionDirective.Start;
						Mark end = versionDirective.End;
						throw new SemanticErrorException(in start, in end, "Found incompatible YAML document.");
					}
					result = (version = versionDirective);
					flag = true;
				}
				else
				{
					if (!(GetCurrentToken() is TagDirective tagDirective))
					{
						break;
					}
					if (tags.Contains(tagDirective.Handle))
					{
						Mark start = tagDirective.Start;
						Mark end = tagDirective.End;
						throw new SemanticErrorException(in start, in 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();
				Mark position = scanner.CurrentPosition;
				return ProcessEmptyScalar(in position);
			}
			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)
		{
			Mark start;
			Mark end;
			if (GetCurrentToken() is Error error)
			{
				start = error.Start;
				end = error.End;
				throw new SemanticErrorException(in start, in 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 anchor4)
						{
							start = anchor4.Start;
							end = anchor4.End;
							throw new SemanticErrorException(in start, in end, "While parsing a node, found more than one anchor.");
						}
						if (token is YamlDotNet.Core.Tokens.AnchorAlias anchorAlias2)
						{
							start = anchorAlias2.Start;
							end = anchorAlias2.End;
							throw new SemanticErrorException(in start, in 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);
						}
						start = error2.Start;
						end = error2.End;
						throw new SemanticErrorException(in start, in end, error2.Value);
					}
					tag2 = tag3;
					if (string.IsNullOrEmpty(tag3.Handle))
					{
						tag = new TagName(tag3.Suffix);
					}
					else
					{
						if (!tagDirectives.Contains(tag3.Handle))
						{
							start = tag3.Start;
							end = tag3.End;
							throw new SemanticErrorException(in start, in 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;
						start = error3.Start;
						end = error3.End;
						throw new SemanticErrorException(in start, in 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))
					{
						start = currentToken.Start;
						end = currentToken.End;
						throw new SemanticErrorException(in start, in 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);
			}
			start = token.Start;
			end = token.End;
			throw new SemanticErrorException(in start, in 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 blockEntry)
			{
				Mark position = blockEntry.End;
				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);
			}
			Mark start;
			Mark end;
			if (token is BlockEnd blockEnd)
			{
				state = states.Pop();
				start = blockEnd.Start;
				end = blockEnd.End;
				ParsingEvent result = new SequenceEnd(in start, in end);
				Skip();
				return result;
			}
			start = token?.Start ?? Mark.Empty;
			end = token?.End ?? Mark.Empty;
			throw new SemanticErrorException(in start, in end, "While parsing a block collection, did not find expected '-' indicator.");
		}

		private ParsingEvent ParseIndentlessSequenceEntry()
		{
			Token token = GetCurrentToken();
			if (token is BlockEntry blockEntry)
			{
				Mark position = blockEntry.End;
				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();
			Mark start = token?.Start ?? Mark.Empty;
			Mark end = token?.End ?? Mark.Empty;
			return new SequenceEnd(in start, in end);
		}

		private ParsingEvent ParseBlockMappingKey(bool isFirst)
		{
			if (isFirst)
			{
				GetCurrentToken();
				Skip();
			}
			Token token = GetCurrentToken();
			if (token is Key key)
			{
				Mark position = key.End;
				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);
			}
			Mark position2;
			if (token is Value value)
			{
				Skip();
				position2 = value.End;
				return ProcessEmptyScalar(in position2);
			}
			if (token is YamlDotNet.Core.Tokens.AnchorAlias anchorAlias)
			{
				Skip();
				return new YamlDotNet.Core.Events.AnchorAlias(anchorAlias.Value, anchorAlias.Start, anchorAlias.End);
			}
			Mark end;
			if (token is BlockEnd blockEnd)
			{
				state = states.Pop();
				position2 = blockEnd.Start;
				end = blockEnd.End;
				ParsingEvent result = new MappingEnd(in position2, in end);
				Skip();
				return result;
			}
			if (GetCurrentToken() is Error error)
			{
				position2 = error.Start;
				end = error.End;
				throw new SyntaxErrorException(in position2, in end, error.Value);
			}
			position2 = token?.Start ?? Mark.Empty;
			end = token?.End ?? Mark.Empty;
			throw new SemanticErrorException(in position2, in end, "While parsing a block mapping, did not find expected key.");
		}

		private ParsingEvent ParseBlockMappingValue()
		{
			Token token = GetCurrentToken();
			if (token is Value value)
			{
				Mark position = value.End;
				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);
			}
			Mark start;
			if (token is Error error)
			{
				start = error.Start;
				Mark end = error.End;
				throw new SemanticErrorException(in start, in end, error.Value);
			}
			state = ParserState.BlockMappingKey;
			start = token?.Start ?? Mark.Empty;
			return ProcessEmptyScalar(in start);
		}

		private ParsingEvent ParseFlowSequenceEntry(bool isFirst)
		{
			if (isFirst)
			{
				GetCurrentToken();
				Skip();
			}
			Token token = GetCurrentToken();
			Mark start;
			Mark end;
			ParsingEvent result;
			if (!(token is FlowSequenceEnd))
			{
				if (!isFirst)
				{
					if (!(token is FlowEntry))
					{
						start = token?.Start ?? Mark.Empty;
						end = token?.End ?? Mark.Empty;
						throw new SemanticErrorException(in start, in end, "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();
			start = token?.Start ?? Mark.Empty;
			end = token?.End ?? Mark.Empty;
			result = new SequenceEnd(in start, in end);
			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;
			Mark position = token?.Start ?? Mark.Empty;
			return ProcessEmptyScalar(in position);
		}

		private MappingEnd ParseFlowSequenceEntryMappingEnd()
		{
			state = ParserState.FlowSequenceEntry;
			Token token = GetCurrentToken();
			Mark start = token?.Start ?? Mark.Empty;
			Mark end = token?.End ?? Mark.Empty;
			return new MappingEnd(in start, in end);
		}

		private ParsingEvent ParseFlowMappingKey(bool isFirst)
		{
			if (isFirst)
			{
				GetCurrentToken();
				Skip();
			}
			Token token = GetCurrentToken();
			Mark start;
			Mark end;
			if (!(token is FlowMappingEnd))
			{
				if (!isFirst)
				{
					if (token is FlowEntry)
					{
						Skip();
						token = GetCurrentToken();
					}
					else if (!(token is YamlDotNet.Core.Tokens.Scalar))
					{
						start = token?.Start ?? Mark.Empty;
						end = token?.End ?? Mark.Empty;
						throw new SemanticErrorException(in start, in end, "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;
					start = token?.Start ?? Mark.Empty;
					return ProcessEmptyScalar(in start);
				}
				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();
			start = token?.Start ?? Mark.Empty;
			end = token?.End ?? Mark.Empty;
			return new MappingEnd(in start, in end);
		}

		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);
			}
			Mark position = token?.Start ?? Mark.Empty;
			return ProcessEmptyScalar(in position);
		}
	}
	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.");
				}
				Mark start = current.Start;
				Mark end = current.End;
				throw new YamlException(in start, in 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();
					Mark end = cursor.Mark();
					throw new SyntaxErrorException(in start, in end, "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).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))
				{
					Mark end = cursor.Mark();
					throw new SemanticErrorException(in start, in end, "While scanning a version directive, did not find preceding <document end>.");
				}
				result = ScanVersionDirectiveValue(in start);
			}
			while (analyzer.IsWhite())
			{
				Skip();
			}
			ProcessComment();
			if (!analyzer.IsBreakOrZero())
			{
				Mark end = cursor.Mark();
				throw new SyntaxErrorException(in start, in end, "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 end = cursor.Mark();
			Skip();
			Skip();
			Skip();
			if (isStartToken)
			{
				InsertionQueue<Token> insertionQueue = tokens;
				Mark end2 = cursor.Mark();
				insertionQueue.Enqueue(new YamlDotNet.Core.Tokens.DocumentStart(in end, in end2));
				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.", end, cursor.Mark());
					break;
				}
				Skip();
			}
			tokens.Enqueue(new YamlDotNet.Core.Tokens.DocumentEnd(in end, in end));
			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()
		{
			Mark start;
			if (flowLevel == 0)
			{
				if (!simpleKeyAllowed)
				{
					if (previousAnchor != null && previousAnchor.End.Line == cursor.Line)
					{
						start = previousAnchor.Start;
						Mark end = previousAnchor.End;
						throw new SemanticErrorException(in start, in 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 start2 = cursor.Mark();
			Skip();
			InsertionQueue<Token> insertionQueue = tokens;
			start = cursor.Mark();
			insertionQueue.Enqueue(new BlockEntry(in start2, in start));
		}

		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();
			InsertionQueue<Token> insertionQueue = tokens;
			Mark end = cursor.Mark();
			insertionQueue.Enqueue(new Key(in start2, in end));
		}

		private void FetchValue()
		{
			SimpleKey simpleKey = simpleKeys.Peek();
			Mark start;
			if (simpleKey.IsPossible)
			{
				InsertionQueue<Token> insertionQueue = tokens;
				int index = simpleKey.TokenNumber - tokensParsed;
				start = simpleKey.Mark;
				Mark end = simpleKey.Mark;
				insertionQueue.Insert(index, new Key(in start, in end));
				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)
					{
						InsertionQueue<Token> insertionQueue2 = tokens;
						int count = tokens.Count;
						start = simpleKey.Mark;
						Mark end = simpleKey.Mark;
						insertionQueue2.Insert(count, new Key(in start, in end));
						flag = false;
					}
				}
				simpleKeyAllowed = flag;
			}
			Mark start2 = cursor.Mark();
			Skip();
			InsertionQueue<Token> insertionQueue3 = tokens;
			start = cursor.Mark();
			insertionQueue3.Enqueue(new Value(in start2, in start));
		}

		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("?:,]}%@`")))
				{
					Mark end = cursor.Mark();
					throw new SyntaxErrorException(in start, in end, "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).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('>'))
				{
					Mark end = cursor.Mark();
					throw new SyntaxErrorException(in start, in end, "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(','))
			{
				Mark end = cursor.Mark();
				throw new SyntaxErrorException(in start, in end, "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'))
								{
									Mark end = cursor.Mark();
									throw new SyntaxErrorException(in start, in end, "While scanning a block scalar, found an indentation indicator equal to 0.");
								}
								num2 = analyzer.AsDigit();
								Skip();
							}
						}
						else if (analyzer.IsDigit())
						{
							if (analyzer.Check('0'))
							{
								Mark end = cursor.Mark();
								throw new SyntaxErrorException(in start, in end, "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('#'))
						{
							Mark end = cursor.Mark();
							throw new SyntaxErrorException(in start, in end, "While scanning a block scalar, found a comment without whtespace after '>' indicator.");
						}
						while (analyzer.IsWhite())
						{
							Skip();
						}
						ProcessComment();
						if (!analyzer.IsBreakOrZero())
						{
							Mark end = cursor.Mark();
							throw new SyntaxErrorException(in start, in end, "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.GetValueOrDefault())
							{
								isFirstLine = false;
							}
						}
						Mark end2 = cursor.Mark();
						if (num2 != 0)
						{
							currentIndent = ((indent >= 0) ? (indent + num2) : num2);
						}
						currentIndent = ScanBlockScalarBreaks(currentIndent, builder3, isLiteral, ref end2, 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 end2, 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, end2);
					}
					finally
					{
						((IDisposable)builderWrapper3).Dispose();
					}
				}
				finally
				{
					((IDisposable)builderWrapper2).Dispose();
				}
			}
			finally
			{
				((IDisposable)builderWrapper).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.GetValueOrDefault())
				{
					isFirstLine = false;
					num2 = cursor.LineOffset;
				}
				breaks.Append(ReadLine());
				end = cursor.Mark();
			}
			if (isLiteral && isFirstLine.GetValueOrDefault())
			{
				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)
			{
				Mark end2 = cursor.Mark();
				throw new SemanticErrorException(in end, in end2, "While scanning a literal block scalar, found extra spaces in first line.");
			}
			if (!isLiteral && num > cursor.LineOffset && num2 > -1)
			{
				Mark end2 = cursor.Mark();
				throw new SemanticErrorException(in end, in end2, "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())
								{
									Mark end = cursor.Mark();
									throw new SyntaxErrorException(in start, in end, "While scanning a quoted scalar, found unexpected document indicator.");
								}
								if (analyzer.IsZero())
								{
									Mark end = cursor.Mark();
									throw new SyntaxErrorException(in start, in end, "While scanning a quoted scalar, found unexpected end of stream.");
								}
								if (flag && !isSingleQuoted && indent >= cursor.LineOffset)
								{
									Mark end = cursor.Mark();
									throw new SyntaxErrorException(in start, in end, "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;
											}
											Mark end = cursor.Mark();
											throw new SyntaxErrorException(in start, in end, "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))
											{
												Mark end = cursor.Mark();
												throw new SyntaxErrorException(in start, in end, "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'))
											{
												Mark end = cursor.Mark();
												throw new SyntaxErrorException(in start, in end, "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))
												{
													Mark end = cursor.Mark();
													throw new SyntaxErrorException(in start, in end, "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)
											{
												Mark end = cursor.Mark();
												throw new SyntaxErrorException(in start, in end, "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).Dispose();
						}
					}
					finally
					{
						((IDisposable)builderWrapper3).Dispose();
					}
				}
				finally
				{
					((IDisposable)builderWrapper2).Dispose();
				}
			}
			finally
			{
				((IDisposable)builderWrapper).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())
										{
											Mark end2 = cursor.Mark();
											throw new SyntaxErrorException(in start, in end2, "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).Dispose();
						}
					}
					finally
					{
						((IDisposable)builderWrapper3).Dispose();
					}
				}
				finally
				{
					((IDisposable)builderWrapper2).Dispose();
				}
			}
			finally
			{
				((IDisposable)builderWrapper).Dispose();
			}
		}

		private void RemoveSimpleKey()
		{
			SimpleKey simpleKey = simpleKeys.Peek();
			if (simpleKey.IsPossible && simpleKey.IsRequired)
			{
				Mark start = simpleKey.Mark;
				Mark end = simpleKey.Mark;
				throw new SyntaxErrorException(in start, in end, "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)
				{
					Mark end = cursor.Mark();
					throw new SyntaxErrorException(in start, in end, "While scanning a directive, could not find expected directive name.");
				}
				if (analyzer.EndOfInput)
				{
					Mark end = cursor.Mark();
					throw new SyntaxErrorException(in start, in end, "While scanning a directive, found unexpected end of stream.");
				}
				if (!analyzer.IsWhiteBreakOrZero())
				{
					Mark end = cursor.Mark();
					throw new SyntaxErrorException(in start, in end, "While scanning a directive, found unexpected non-alphabetical character.");
				}
				return builder.ToString();
			}
			finally
			{
				((IDisposable)builderWrapper).Dispose();
			}
		}

		private void SkipWhitespaces()
		{
			while (analyzer.IsWhite())
			{
				Skip();
			}
		}

		private VersionDirective ScanVersionDirectiveValue(in Mark start)
		{
			SkipWhitespaces();
			int major = ScanVersionDirectiveNumber(in start);
			if (!analyzer.Check('.'))
			{
				Mark end = cursor.Mark();
				throw new SyntaxErrorException(in start, in end, "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())
			{
				Mark end = cursor.Mark();
				throw new SyntaxErrorException(in start, in end, "While scanning a %TAG directive, did not find expected whitespace.");
			}
			SkipWhitespaces();
			string prefix = ScanTagUri(null, start);
			if (!analyzer.IsWhiteBreakOrZero())
			{
				Mark end = cursor.Mark();
				throw new SyntaxErrorException(in start, in end, "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, ','))
				{
					Mark start2 = cursor.Mark();
					Mark end = cursor.Mark();
					throw new SyntaxErrorException(in start2, in end, "Unexpected comma at end of tag");
				}
				return text;
			}
			finally
			{
				((IDisposable)builderWrapper).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))
				{
					Mark end = cursor.Mark();
					throw new SyntaxErrorException(in start, in end, "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)
					{
						Mark end = cursor.Mark();
						throw new SyntaxErrorException(in start, in end, "While scanning a tag, found an incorrect leading UTF-8 octet.");
					}
					array = new byte[num];
				}
				else if ((num2 & 0xC0) != 128)
				{
					Mark end = cursor.Mark();
					throw new SyntaxErrorException(in start, in end, "While scanning a tag, found an incorrect trailing UTF-8 octet.");
				}
				array[count++] = (byte)num2;
				Skip();
				Skip();
				Skip();
			}
			while (--num > 0);
			string @string = Encoding.UTF8.GetString(array, 0, count);
			if (@string.Length == 0 || @string.Length > 2)
			{
				Mark end = cursor.Mark();
				throw new SyntaxErrorException(in start, in end, "While scanning a tag, found an incorrect UTF-8 sequence.");
			}
			return @string;
		}

		private string ScanTagHandle(bool isDirective, Mark start)
		{
			if (!analyzer.Check('!'))
			{
				Mark end = cursor.Mark();
				throw new SyntaxErrorException(in start, in end, "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] != '!'))
				{
					Mark end = cursor.Mark();
					throw new SyntaxErrorException(in start, in end, "While scanning a tag directive, did not find expected '!'.");
				}
				return builder.ToString();
			}
			finally
			{
				((IDisposable)builderWrapper).Dispose();
			}
		}

		private int ScanVersionDirectiveNumber(in Mark start)
		{
			int num = 0;
			int num2 = 0;
			while (analyzer.IsDigit())
			{
				if (++num2 > 9)
				{
					Mark end = cursor.Mark();
					throw new SyntaxErrorException(in start, in end, "While scanning a %YAML directive, found extremely long version number.");
				}
				num = num * 10 + analyzer.AsDigit();
				Skip();
			}
			if (num2 == 0)
			{
				Mark end = cursor.Mark();
				throw new SyntaxErrorException(in start, in end, "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;
		}
	}
}