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 BepInEx;
using BepInEx.Bootstrap;
using BepInEx.Configuration;
using HarmonyLib;
using JetBrains.Annotations;
using LocalizationManager;
using Microsoft.CodeAnalysis;
using ServerSync;
using TMPro;
using UnityEngine;
using UnityEngine.UI;
using YamlDotNet.Core;
using YamlDotNet.Core.Events;
using YamlDotNet.Core.Tokens;
using YamlDotNet.Helpers;
using YamlDotNet.Serialization;
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("PassivePowers")]
[assembly: AssemblyDescription("https://valheim.thunderstore.io/package/Smoothbrain/PassivePowers")]
[assembly: AssemblyConfiguration("")]
[assembly: AssemblyCompany("")]
[assembly: AssemblyProduct("PassivePowers")]
[assembly: AssemblyCopyright("Copyright ©  2021")]
[assembly: AssemblyTrademark("")]
[assembly: ComVisible(false)]
[assembly: Guid("5058B942-6277-45D3-94B5-3465F0650537")]
[assembly: AssemblyFileVersion("1.0.0.0")]
[assembly: TargetFramework(".NETFramework,Version=v4.8", FrameworkDisplayName = ".NET Framework 4.8")]
[assembly: SecurityPermission(SecurityAction.RequestMinimum, SkipVerification = true)]
[assembly: AssemblyVersion("1.0.0.0")]
[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;
		}
	}
}
namespace PassivePowers
{
	[UsedImplicitly]
	public static class BossPowerPatches
	{
		[HarmonyPatch(typeof(SEMan), "ModifyRunStaminaDrain")]
		private class ReduceRunStaminaUsage
		{
			private static void Prefix(SEMan __instance, ref float drain)
			{
				if (__instance.m_character is Player)
				{
					drain *= 1f - (float)PowerConfig<int, RunStamina>.Total() / 100f;
				}
			}
		}

		[HarmonyPatch(typeof(SEMan), "ModifyJumpStaminaUsage")]
		private class ReduceJumpStaminaUsage
		{
			private static void Prefix(SEMan __instance, ref float staminaUse)
			{
				if (__instance.m_character is Player)
				{
					staminaUse *= 1f - (float)PowerConfig<int, JumpStamina>.Total() / 100f;
				}
			}
		}

		[HarmonyPatch(typeof(Player), "GetJogSpeedFactor")]
		private class IncreaseJogSpeed
		{
			private static void Postfix(ref float __result)
			{
				__result += (float)PowerConfig<int, MovementSpeed>.Total() / 100f;
			}
		}

		[HarmonyPatch(typeof(Player), "GetRunSpeedFactor")]
		private class IncreaseRunSpeed
		{
			private static void Postfix(ref float __result)
			{
				__result += (float)PowerConfig<int, MovementSpeed>.Total() / 100f;
			}
		}

		[HarmonyPatch(typeof(Character), "UpdateSwimming")]
		private class IncreaseSwimSpeed
		{
			private static void Prefix(Character __instance)
			{
				Player val = (Player)(object)((__instance is Player) ? __instance : null);
				if (val != null)
				{
					((Character)val).m_swimSpeed = ((Character)val).m_swimSpeed * (1f + (float)PowerConfig<int, SwimSpeed>.Total() / 100f);
				}
			}

			private static void Postfix(Character __instance)
			{
				Player val = (Player)(object)((__instance is Player) ? __instance : null);
				if (val != null)
				{
					((Character)val).m_swimSpeed = ((Character)val).m_swimSpeed / (1f + (float)PowerConfig<int, SwimSpeed>.Total() / 100f);
				}
			}
		}

		[HarmonyPatch(typeof(SE_Stats), "ModifySwimStaminaUsage")]
		private class ModifySwimStaminaUsage
		{
			private static void Prefix(SE_Stats __instance, float baseStaminaUse, ref float staminaUse)
			{
				__instance.m_swimStaminaUseModifier = (float)PowerConfig<int, SwimStaminaUsage>.Total() / 100f;
			}
		}

		[HarmonyPatch(typeof(SEMan), "ModifyAttack")]
		private class IncreaseTerrainDamage
		{
			private static void Prefix(SEMan __instance, ref HitData hitData)
			{
				if (__instance.m_character is Player)
				{
					hitData.m_damage.m_chop *= 1f + (float)PowerConfig<int, TreeDamage>.Total() / 100f;
					hitData.m_damage.m_pickaxe *= 1f + (float)PowerConfig<int, MiningDamage>.Total() / 100f;
				}
			}
		}

		[HarmonyPatch(typeof(SEMan), "ModifySneakStaminaUsage")]
		private class SEManModifyStaminaSneakUsage
		{
			[UsedImplicitly]
			private static void Postfix(SEMan __instance, float baseStaminaUse, ref float staminaUse)
			{
				if (__instance.m_character.IsSneaking())
				{
					staminaUse -= staminaUse * (float)PowerConfig<int, StaminaSneakUsage>.Total() / 100f;
				}
			}
		}

		[HarmonyPatch(typeof(Character), "Damage")]
		private class ModifyDamageDoneOrTaken
		{
			private static void Prefix(HitData hit, Character __instance)
			{
				if (hit.GetAttacker() is Player)
				{
					float totalDamage = hit.GetTotalDamage();
					hit.m_damage.m_fire = (hit.m_damage.m_fire + totalDamage * (float)PowerConfig<int, BonusFireDamage>.Total() / 100f) * (1f + (float)PowerConfig<int, BonusDamage>.Total() / 100f);
					hit.m_damage.m_frost = (hit.m_damage.m_frost + totalDamage * (float)PowerConfig<int, BonusFrostDamage>.Total() / 100f) * (1f + (float)PowerConfig<int, BonusDamage>.Total() / 100f);
					hit.m_damage.m_poison = (hit.m_damage.m_poison + totalDamage * (float)PowerConfig<int, BonusPoisonDamage>.Total() / 100f) * (1f + (float)PowerConfig<int, BonusDamage>.Total() / 100f);
					hit.m_damage.m_lightning = (hit.m_damage.m_lightning + totalDamage * (float)PowerConfig<int, BonusLightningDamage>.Total() / 100f) * (1f + (float)PowerConfig<int, BonusDamage>.Total() / 100f);
					hit.m_damage.m_spirit = (hit.m_damage.m_spirit + totalDamage * (float)PowerConfig<int, BonusSpiritDamage>.Total() / 100f) * (1f + (float)PowerConfig<int, BonusDamage>.Total() / 100f);
					hit.m_damage.m_blunt = (hit.m_damage.m_blunt + totalDamage * (float)PowerConfig<int, BonusBluntDamage>.Total() / 100f) * (1f + (float)PowerConfig<int, BonusDamage>.Total() / 100f);
					hit.m_damage.m_pierce = (hit.m_damage.m_pierce + totalDamage * (float)PowerConfig<int, BonusPierceDamage>.Total() / 100f) * (1f + (float)PowerConfig<int, BonusDamage>.Total() / 100f);
					hit.m_damage.m_slash = (hit.m_damage.m_slash + totalDamage * (float)PowerConfig<int, BonusSlashDamage>.Total() / 100f) * (1f + (float)PowerConfig<int, BonusDamage>.Total() / 100f);
				}
				if (__instance.IsPlayer())
				{
					hit.m_damage.m_fire *= 1f - (float)PowerConfig<int, BonusFireDefense>.Total() / 100f;
					hit.m_damage.m_frost *= 1f - (float)PowerConfig<int, BonusFrostDefense>.Total() / 100f;
					hit.m_damage.m_poison *= 1f - (float)PowerConfig<int, BonusPoisonDefense>.Total() / 100f;
					hit.m_damage.m_lightning *= 1f - (float)PowerConfig<int, BonusLightningDefense>.Total() / 100f;
					hit.m_damage.m_blunt *= 1f - (float)PowerConfig<int, PhysicalDamage>.Total() / 100f;
					hit.m_damage.m_pierce *= 1f - (float)PowerConfig<int, PhysicalDamage>.Total() / 100f;
					hit.m_damage.m_slash *= 1f - (float)PowerConfig<int, PhysicalDamage>.Total() / 100f;
				}
			}
		}

		[HarmonyPatch(typeof(SEMan), "ModifyHealthRegen")]
		public static class IncreaseHealthRegen
		{
			[UsedImplicitly]
			public static void Postfix(SEMan __instance, ref float regenMultiplier)
			{
				if (__instance.m_character is Player)
				{
					regenMultiplier += (float)PowerConfig<int, HealthRegen>.Total() / 100f;
				}
			}
		}

		[HarmonyPatch(typeof(Ship), "IsWindControllActive")]
		private class TurnWindInFavor
		{
			private static void Postfix(Ship __instance, ref bool __result)
			{
				//IL_0011: Unknown result type (might be due to invalid IL or missing references)
				float num = ShipValue(__instance, typeof(TailWind));
				State state = Random.state;
				Random.InitState((int)(EnvMan.instance.m_totalSeconds / (double)EnvMan.instance.m_windPeriodDuration));
				if (Random.Range(0f, 1f) < num)
				{
					__result = true;
				}
				Random.state = state;
			}
		}

		[HarmonyPatch(typeof(Ship), "GetSailForce")]
		private class IncreaseSailingSpeed
		{
			[CompilerGenerated]
			private sealed class <Transpiler>d__3 : IEnumerable<CodeInstruction>, IEnumerable, IEnumerator<CodeInstruction>, IDisposable, IEnumerator
			{
				private int <>1__state;

				private CodeInstruction <>2__current;

				private int <>l__initialThreadId;

				private IEnumerable<CodeInstruction> instructions;

				public IEnumerable<CodeInstruction> <>3__instructions;

				private IEnumerator<CodeInstruction> <>7__wrap1;

				private CodeInstruction <instruction>5__3;

				CodeInstruction IEnumerator<CodeInstruction>.Current
				{
					[DebuggerHidden]
					get
					{
						return <>2__current;
					}
				}

				object IEnumerator.Current
				{
					[DebuggerHidden]
					get
					{
						return <>2__current;
					}
				}

				[DebuggerHidden]
				public <Transpiler>d__3(int <>1__state)
				{
					this.<>1__state = <>1__state;
					<>l__initialThreadId = Environment.CurrentManagedThreadId;
				}

				[DebuggerHidden]
				void IDisposable.Dispose()
				{
					int num = <>1__state;
					if (num == -3 || (uint)(num - 1) <= 2u)
					{
						try
						{
						}
						finally
						{
							<>m__Finally1();
						}
					}
					<>7__wrap1 = null;
					<instruction>5__3 = null;
					<>1__state = -2;
				}

				private bool MoveNext()
				{
					//IL_00d4: Unknown result type (might be due to invalid IL or missing references)
					//IL_00de: Expected O, but got Unknown
					//IL_00ac: Unknown result type (might be due to invalid IL or missing references)
					//IL_00b6: Expected O, but got Unknown
					try
					{
						switch (<>1__state)
						{
						default:
							return false;
						case 0:
							<>1__state = -1;
							<>7__wrap1 = instructions.GetEnumerator();
							<>1__state = -3;
							break;
						case 1:
							<>1__state = -3;
							if (<instruction>5__3.opcode == OpCodes.Callvirt && CodeInstructionExtensions.OperandIs(<instruction>5__3, (MemberInfo)WindIntensityGetter))
							{
								<>2__current = new CodeInstruction(OpCodes.Ldarg_0, (object)null);
								<>1__state = 2;
								return true;
							}
							goto IL_00f1;
						case 2:
							<>1__state = -3;
							<>2__current = new CodeInstruction(OpCodes.Call, (object)WindIntensityUpdater);
							<>1__state = 3;
							return true;
						case 3:
							{
								<>1__state = -3;
								goto IL_00f1;
							}
							IL_00f1:
							<instruction>5__3 = null;
							break;
						}
						if (<>7__wrap1.MoveNext())
						{
							<instruction>5__3 = <>7__wrap1.Current;
							<>2__current = <instruction>5__3;
							<>1__state = 1;
							return true;
						}
						<>m__Finally1();
						<>7__wrap1 = null;
						return false;
					}
					catch
					{
						//try-fault
						((IDisposable)this).Dispose();
						throw;
					}
				}

				bool IEnumerator.MoveNext()
				{
					//ILSpy generated this explicit interface implementation from .override directive in MoveNext
					return this.MoveNext();
				}

				private void <>m__Finally1()
				{
					<>1__state = -1;
					if (<>7__wrap1 != null)
					{
						<>7__wrap1.Dispose();
					}
				}

				[DebuggerHidden]
				void IEnumerator.Reset()
				{
					throw new NotSupportedException();
				}

				[DebuggerHidden]
				IEnumerator<CodeInstruction> IEnumerable<CodeInstruction>.GetEnumerator()
				{
					<Transpiler>d__3 <Transpiler>d__;
					if (<>1__state == -2 && <>l__initialThreadId == Environment.CurrentManagedThreadId)
					{
						<>1__state = 0;
						<Transpiler>d__ = this;
					}
					else
					{
						<Transpiler>d__ = new <Transpiler>d__3(0);
					}
					<Transpiler>d__.instructions = <>3__instructions;
					return <Transpiler>d__;
				}

				[DebuggerHidden]
				IEnumerator IEnumerable.GetEnumerator()
				{
					return ((IEnumerable<CodeInstruction>)this).GetEnumerator();
				}
			}

			private static readonly MethodInfo WindIntensityGetter = AccessTools.DeclaredMethod(typeof(EnvMan), "GetWindIntensity", (Type[])null, (Type[])null);

			private static readonly MethodInfo WindIntensityUpdater = AccessTools.DeclaredMethod(typeof(IncreaseSailingSpeed), "UpdateWindIntensity", (Type[])null, (Type[])null);

			private static float UpdateWindIntensity(float windIntensity, Ship ship)
			{
				//IL_0017: 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)
				float num = ShipValue(ship, typeof(WindSpeed));
				if (Vector3.Angle(((Component)ship).transform.forward, EnvMan.instance.GetWindDir()) > 90f)
				{
					return windIntensity * (1f - num);
				}
				return windIntensity * (1f + num);
			}

			[IteratorStateMachine(typeof(<Transpiler>d__3))]
			private static IEnumerable<CodeInstruction> Transpiler(IEnumerable<CodeInstruction> instructions)
			{
				//yield-return decompiler failed: Unexpected instruction in Iterator.Dispose()
				return new <Transpiler>d__3(-2)
				{
					<>3__instructions = instructions
				};
			}
		}

		[HarmonyPatch(typeof(SEMan), "ModifyEitrRegen")]
		private static class IncreaseEitrRegen
		{
			private static void Prefix(ref float eitrMultiplier)
			{
				eitrMultiplier *= 1f + (float)PowerConfig<int, EitrRegen>.Total() / 100f;
			}
		}

		[HarmonyPatch(typeof(Player), "GetMaxCarryWeight")]
		private static class IncreaseCarryWeight
		{
			[UsedImplicitly]
			private static void Postfix(Player __instance, ref float __result)
			{
				__result += PowerConfig<int, CarryWeight>.Total();
			}
		}

		[HarmonyPatch(typeof(SEMan), "ModifyAdrenaline")]
		private static class ModifyAdrenaline
		{
			[UsedImplicitly]
			public static void Prefix(float baseValue, ref float use)
			{
				use *= 1f + (float)PowerConfig<int, AdrenalineBonus>.Total() / 100f;
			}
		}

		[HarmonyPatch(typeof(SEMan), "ModifyStagger")]
		private static class ModifyStagger
		{
			[UsedImplicitly]
			public static void Postfix(float baseValue, ref float use)
			{
				use -= use * (float)PowerConfig<int, StaggerResist>.Total() / 100f;
			}
		}

		[HarmonyPatch(typeof(SEMan), "ModifyBlockStaminaUsage")]
		private static class ModifyBlockStaminaUsage
		{
			[UsedImplicitly]
			public static void Prefix(float baseStaminaUse, ref float staminaUse)
			{
				staminaUse = staminaUse * (1f + (float)(PowerConfig<int, BlockStaminaUsage>.Total() * -1) / 100f) + (float)(PowerConfig<int, BlockStaminaReturn>.Total() * -1);
			}
		}

		private static float ShipValue(Ship ship, Type type)
		{
			float num = ((IConvertible)type.GetMethod("Total", BindingFlags.Static | BindingFlags.Public | BindingFlags.FlattenHierarchy).Invoke(null, Array.Empty<object>())).ToSingle(CultureInfo.InvariantCulture) / 100f;
			if (num > 0f)
			{
				return num;
			}
			float num2 = 0f;
			foreach (KeyValuePair<string, BossConfig> kv in PassivePowers.activeBossConfigs)
			{
				foreach (PowerConfig config in kv.Value.Configs)
				{
					if (config.GetType() == type)
					{
						List<Player> list = ship.m_players.FindAll(delegate(Player p)
						{
							ZDO zDO = ((Character)p).m_nview.GetZDO();
							return Utils.getPassivePowers(((zDO != null) ? zDO.GetString("PassivePowers GuardianPowers", "") : null) ?? "").Contains(kv.Key);
						});
						num2 += ((IConvertible)config.BoxedPassive).ToSingle(CultureInfo.InvariantCulture) * (float)list.Count / (float)Mathf.Max(1, ship.m_players.Count);
					}
				}
			}
			return num2;
		}
	}
	public class ConfigurationManagerAttributes
	{
		public bool? ShowRangeAsPercent;

		public Action<ConfigEntryBase>? CustomDrawer;

		public bool? Browsable;

		public string? Category;

		public object? DefaultValue;

		public bool? HideDefaultButton;

		public bool? HideSettingName;

		public string? Description;

		public string? DispName;

		public int? Order;

		public bool? ReadOnly;

		public bool? IsAdvanced;

		public Func<object, string>? ObjToStr;

		public Func<string, object>? StrToObj;
	}
	public enum Toggle
	{
		On = 1,
		Off = 0
	}
	public enum Spread
	{
		Self,
		ConditionsMet,
		Everyone
	}
	[BepInPlugin("org.bepinex.plugins.passivepowers", "Passive Powers", "1.1.5")]
	[BepInIncompatibility("org.bepinex.plugins.valheim_plus")]
	public class PassivePowers : BaseUnityPlugin
	{
		[HarmonyPatch(typeof(Player), "Awake")]
		private static class AddRPCs
		{
			private static void Postfix(Player __instance)
			{
				((Character)__instance).m_nview.Register<string>("PassivePowers Activate BossPower", (Action<long, string>)ActivateBossPowerRPC);
				((Character)__instance).m_nview.Register<string>("PassivePowers BossDied", (Action<long, string>)BossDied);
			}
		}

		[HarmonyPatch(typeof(Player), "Update")]
		private class ActivateBossPower
		{
			[CompilerGenerated]
			private sealed class <Transpiler>d__4 : IEnumerable<CodeInstruction>, IEnumerable, IEnumerator<CodeInstruction>, IDisposable, IEnumerator
			{
				private int <>1__state;

				private CodeInstruction <>2__current;

				private int <>l__initialThreadId;

				private IEnumerable<CodeInstruction> instructions;

				public IEnumerable<CodeInstruction> <>3__instructions;

				private IEnumerator<CodeInstruction> <>7__wrap1;

				private CodeInstruction <instruction>5__3;

				CodeInstruction IEnumerator<CodeInstruction>.Current
				{
					[DebuggerHidden]
					get
					{
						return <>2__current;
					}
				}

				object IEnumerator.Current
				{
					[DebuggerHidden]
					get
					{
						return <>2__current;
					}
				}

				[DebuggerHidden]
				public <Transpiler>d__4(int <>1__state)
				{
					this.<>1__state = <>1__state;
					<>l__initialThreadId = Environment.CurrentManagedThreadId;
				}

				[DebuggerHidden]
				void IDisposable.Dispose()
				{
					int num = <>1__state;
					if (num == -3 || (uint)(num - 1) <= 3u)
					{
						try
						{
						}
						finally
						{
							<>m__Finally1();
						}
					}
					<>7__wrap1 = null;
					<instruction>5__3 = null;
					<>1__state = -2;
				}

				private bool MoveNext()
				{
					//IL_00b5: Unknown result type (might be due to invalid IL or missing references)
					//IL_00bf: Expected O, but got Unknown
					//IL_012d: Unknown result type (might be due to invalid IL or missing references)
					//IL_0137: Expected O, but got Unknown
					//IL_008e: Unknown result type (might be due to invalid IL or missing references)
					//IL_0098: Expected O, but got Unknown
					try
					{
						switch (<>1__state)
						{
						default:
							return false;
						case 0:
							<>1__state = -1;
							<>7__wrap1 = instructions.GetEnumerator();
							<>1__state = -3;
							break;
						case 1:
							<>1__state = -3;
							<>2__current = new CodeInstruction(OpCodes.Ldc_I4_0, (object)null);
							<>1__state = 2;
							return true;
						case 2:
							<>1__state = -3;
							goto IL_00f9;
						case 3:
							<>1__state = -3;
							goto IL_00f9;
						case 4:
							{
								<>1__state = -3;
								goto IL_014a;
							}
							IL_00f9:
							if (<instruction>5__3.opcode == OpCodes.Call && CodeInstructionExtensions.OperandIs(<instruction>5__3, (MemberInfo)InputKey))
							{
								<>2__current = new CodeInstruction(OpCodes.Call, (object)CheckInputKey);
								<>1__state = 4;
								return true;
							}
							goto IL_014a;
							IL_014a:
							<instruction>5__3 = null;
							break;
						}
						if (<>7__wrap1.MoveNext())
						{
							<instruction>5__3 = <>7__wrap1.Current;
							if (<instruction>5__3.opcode == OpCodes.Call && CodeInstructionExtensions.OperandIs(<instruction>5__3, (MemberInfo)GuardianPowerStart))
							{
								<>2__current = new CodeInstruction(OpCodes.Pop, (object)null);
								<>1__state = 1;
								return true;
							}
							<>2__current = <instruction>5__3;
							<>1__state = 3;
							return true;
						}
						<>m__Finally1();
						<>7__wrap1 = null;
						return false;
					}
					catch
					{
						//try-fault
						((IDisposable)this).Dispose();
						throw;
					}
				}

				bool IEnumerator.MoveNext()
				{
					//ILSpy generated this explicit interface implementation from .override directive in MoveNext
					return this.MoveNext();
				}

				private void <>m__Finally1()
				{
					<>1__state = -1;
					if (<>7__wrap1 != null)
					{
						<>7__wrap1.Dispose();
					}
				}

				[DebuggerHidden]
				void IEnumerator.Reset()
				{
					throw new NotSupportedException();
				}

				[DebuggerHidden]
				IEnumerator<CodeInstruction> IEnumerable<CodeInstruction>.GetEnumerator()
				{
					<Transpiler>d__4 <Transpiler>d__;
					if (<>1__state == -2 && <>l__initialThreadId == Environment.CurrentManagedThreadId)
					{
						<>1__state = 0;
						<Transpiler>d__ = this;
					}
					else
					{
						<Transpiler>d__ = new <Transpiler>d__4(0);
					}
					<Transpiler>d__.instructions = <>3__instructions;
					return <Transpiler>d__;
				}

				[DebuggerHidden]
				IEnumerator IEnumerable.GetEnumerator()
				{
					return ((IEnumerable<CodeInstruction>)this).GetEnumerator();
				}
			}

			private static readonly MethodInfo CheckInputKey = AccessTools.DeclaredMethod(typeof(ActivateBossPower), "CheckKeyDown", (Type[])null, (Type[])null);

			private static readonly MethodInfo InputKey = AccessTools.DeclaredMethod(typeof(ZInput), "GetButtonDown", (Type[])null, (Type[])null);

			private static readonly MethodInfo GuardianPowerStart = AccessTools.DeclaredMethod(typeof(Player), "StartGuardianPower", (Type[])null, (Type[])null);

			public static bool CheckKeyDown(bool activeKey)
			{
				if (activeKey)
				{
					return !bossPowerKeys.Any((ConfigEntry<KeyboardShortcut> powerKey) => powerKey.Value.IsKeyDown());
				}
				return false;
			}

			[IteratorStateMachine(typeof(<Transpiler>d__4))]
			private static IEnumerable<CodeInstruction> Transpiler(IEnumerable<CodeInstruction> instructions)
			{
				//yield-return decompiler failed: Unexpected instruction in Iterator.Dispose()
				return new <Transpiler>d__4(-2)
				{
					<>3__instructions = instructions
				};
			}
		}

		[HarmonyPatch(typeof(Player), "ActivateGuardianPower")]
		private static class DedicatedGuardianPowerRPC
		{
			[CompilerGenerated]
			private sealed class <Transpiler>d__1 : IEnumerable<CodeInstruction>, IEnumerable, IEnumerator<CodeInstruction>, IDisposable, IEnumerator
			{
				private int <>1__state;

				private CodeInstruction <>2__current;

				private int <>l__initialThreadId;

				private IEnumerable<CodeInstruction> instructions;

				public IEnumerable<CodeInstruction> <>3__instructions;

				private MethodInfo <AddStatusEffect>5__2;

				private IEnumerator<CodeInstruction> <>7__wrap2;

				CodeInstruction IEnumerator<CodeInstruction>.Current
				{
					[DebuggerHidden]
					get
					{
						return <>2__current;
					}
				}

				object IEnumerator.Current
				{
					[DebuggerHidden]
					get
					{
						return <>2__current;
					}
				}

				[DebuggerHidden]
				public <Transpiler>d__1(int <>1__state)
				{
					this.<>1__state = <>1__state;
					<>l__initialThreadId = Environment.CurrentManagedThreadId;
				}

				[DebuggerHidden]
				void IDisposable.Dispose()
				{
					int num = <>1__state;
					if (num == -3 || (uint)(num - 1) <= 1u)
					{
						try
						{
						}
						finally
						{
							<>m__Finally1();
						}
					}
					<AddStatusEffect>5__2 = null;
					<>7__wrap2 = null;
					<>1__state = -2;
				}

				private bool MoveNext()
				{
					//IL_00cd: Unknown result type (might be due to invalid IL or missing references)
					//IL_00d7: Expected O, but got Unknown
					try
					{
						switch (<>1__state)
						{
						default:
							return false;
						case 0:
							<>1__state = -1;
							<AddStatusEffect>5__2 = AccessTools.DeclaredMethod(typeof(SEMan), "AddStatusEffect", new Type[4]
							{
								typeof(int),
								typeof(bool),
								typeof(int),
								typeof(float)
							}, (Type[])null);
							<>7__wrap2 = instructions.GetEnumerator();
							<>1__state = -3;
							break;
						case 1:
							<>1__state = -3;
							break;
						case 2:
							<>1__state = -3;
							break;
						}
						if (<>7__wrap2.MoveNext())
						{
							CodeInstruction current = <>7__wrap2.Current;
							if (CodeInstructionExtensions.Calls(current, <AddStatusEffect>5__2))
							{
								<>2__current = new CodeInstruction(OpCodes.Call, (object)AccessTools.DeclaredMethod(typeof(DedicatedGuardianPowerRPC), "StatusEffectRPC", (Type[])null, (Type[])null));
								<>1__state = 1;
								return true;
							}
							<>2__current = current;
							<>1__state = 2;
							return true;
						}
						<>m__Finally1();
						<>7__wrap2 = null;
						return false;
					}
					catch
					{
						//try-fault
						((IDisposable)this).Dispose();
						throw;
					}
				}

				bool IEnumerator.MoveNext()
				{
					//ILSpy generated this explicit interface implementation from .override directive in MoveNext
					return this.MoveNext();
				}

				private void <>m__Finally1()
				{
					<>1__state = -1;
					if (<>7__wrap2 != null)
					{
						<>7__wrap2.Dispose();
					}
				}

				[DebuggerHidden]
				void IEnumerator.Reset()
				{
					throw new NotSupportedException();
				}

				[DebuggerHidden]
				IEnumerator<CodeInstruction> IEnumerable<CodeInstruction>.GetEnumerator()
				{
					<Transpiler>d__1 <Transpiler>d__;
					if (<>1__state == -2 && <>l__initialThreadId == Environment.CurrentManagedThreadId)
					{
						<>1__state = 0;
						<Transpiler>d__ = this;
					}
					else
					{
						<Transpiler>d__ = new <Transpiler>d__1(0);
					}
					<Transpiler>d__.instructions = <>3__instructions;
					return <Transpiler>d__;
				}

				[DebuggerHidden]
				IEnumerator IEnumerable.GetEnumerator()
				{
					return ((IEnumerable<CodeInstruction>)this).GetEnumerator();
				}
			}

			private static StatusEffect? StatusEffectRPC(SEMan seman, int nameHash, bool resetTime, int itemLevel, float skillLevel)
			{
				string name = ((Object)ObjectDB.instance.GetStatusEffect(nameHash)).name;
				Spread value = PowerSpread[name.Substring("PassivePowers ".Length)].Value;
				if (value == Spread.ConditionsMet)
				{
					seman.m_nview.InvokeRPC("PassivePowers Activate BossPower", new object[1] { name });
				}
				else if (value == Spread.Everyone || (Object)(object)Player.m_localPlayer == (Object)(object)seman.m_character)
				{
					return seman.AddStatusEffect(nameHash, resetTime, itemLevel, skillLevel);
				}
				return null;
			}

			[IteratorStateMachine(typeof(<Transpiler>d__1))]
			private static IEnumerable<CodeInstruction> Transpiler(IEnumerable<CodeInstruction> instructions)
			{
				//yield-return decompiler failed: Unexpected instruction in Iterator.Dispose()
				return new <Transpiler>d__1(-2)
				{
					<>3__instructions = instructions
				};
			}
		}

		[HarmonyPatch]
		public class AddStatusEffects
		{
			private static IEnumerable<MethodBase> TargetMethods()
			{
				return new MethodInfo[2]
				{
					AccessTools.DeclaredMethod(typeof(ObjectDB), "Awake", (Type[])null, (Type[])null),
					AccessTools.DeclaredMethod(typeof(ObjectDB), "CopyOtherDB", (Type[])null, (Type[])null)
				};
			}

			private static void Postfix(ObjectDB __instance)
			{
				//IL_00b8: 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_014e: 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_01b2: Unknown result type (might be due to invalid IL or missing references)
				//IL_01b7: Unknown result type (might be due to invalid IL or missing references)
				//IL_01c8: Unknown result type (might be due to invalid IL or missing references)
				//IL_01d2: Expected O, but got Unknown
				//IL_01d4: Expected O, but got Unknown
				List<StatusEffect> list = new List<StatusEffect>();
				foreach (StatusEffect item in __instance.m_StatusEffects.Where((StatusEffect se) => ((Object)se).name.StartsWith("GP_")))
				{
					string name = "PassivePowers " + ((Object)item).name;
					if (__instance.m_StatusEffects.All((StatusEffect se) => ((Object)se).name != name))
					{
						StatusEffect val = ScriptableObject.CreateInstance<StatusEffect>();
						((Object)val).name = name;
						val.m_activationAnimation = item.m_activationAnimation;
						val.m_startEffects = item.m_startEffects;
						val.m_startMessage = item.m_startMessage;
						val.m_startMessageType = item.m_startMessageType;
						val.m_icon = item.m_icon;
						val.m_name = item.m_name;
						val.m_cooldown = activeBossPowerCooldown.Value;
						val.m_ttl = activeBossPowerDuration.Value;
						list.Add(val);
						StatusEffect val2 = ScriptableObject.CreateInstance<StatusEffect>();
						((Object)val2).name = "PassivePowers Depletion " + ((Object)item).name;
						val2.m_startMessage = Localization.instance.Localize("$powers_depleted_description", new string[1] { item.m_name });
						val2.m_startMessageType = item.m_startMessageType;
						val2.m_icon = item.m_icon;
						val2.m_name = Localization.instance.Localize("$powers_depleted");
						val2.m_tooltip = Localization.instance.Localize("$powers_depleted_description", new string[1] { item.m_name });
						val2.m_ttl = activeBossPowerDepletion.Value;
						EffectData val3 = new EffectData
						{
							m_prefab = new GameObject(((Object)item).name + " Depletion Prefab")
						};
						val3.m_prefab.AddComponent<PowerDepletionBehaviour>().statusEffect = ((Object)val2).name;
						val.m_stopEffects.m_effectPrefabs = (EffectData[])(object)new EffectData[1] { val3 };
						list.Add(val2);
					}
				}
				__instance.m_StatusEffects.AddRange(list);
			}
		}

		[HarmonyPatch(typeof(ItemStand), "IsGuardianPowerActive")]
		private class RemoveActiveTooltip
		{
			private static void Postfix(out bool __result)
			{
				__result = false;
			}
		}

		[HarmonyPatch(typeof(SE_Stats), "GetTooltipString")]
		private class RemoveOriginalEffectDescription
		{
			private static void Postfix(SE_Stats __instance, ref string __result)
			{
				if (((Object)__instance).name.StartsWith("GP_", StringComparison.Ordinal))
				{
					__result = ((StatusEffect)__instance).m_tooltip;
				}
			}
		}

		[HarmonyPatch(typeof(ItemStand), "GetHoverText")]
		private class ModifyBossStoneHoverText
		{
			[CompilerGenerated]
			private sealed class <Transpiler>d__4 : IEnumerable<CodeInstruction>, IEnumerable, IEnumerator<CodeInstruction>, IDisposable, IEnumerator
			{
				private int <>1__state;

				private CodeInstruction <>2__current;

				private int <>l__initialThreadId;

				private IEnumerable<CodeInstruction> instructions;

				public IEnumerable<CodeInstruction> <>3__instructions;

				private IEnumerator<CodeInstruction> <>7__wrap1;

				private CodeInstruction <instruction>5__3;

				CodeInstruction IEnumerator<CodeInstruction>.Current
				{
					[DebuggerHidden]
					get
					{
						return <>2__current;
					}
				}

				object IEnumerator.Current
				{
					[DebuggerHidden]
					get
					{
						return <>2__current;
					}
				}

				[DebuggerHidden]
				public <Transpiler>d__4(int <>1__state)
				{
					this.<>1__state = <>1__state;
					<>l__initialThreadId = Environment.CurrentManagedThreadId;
				}

				[DebuggerHidden]
				void IDisposable.Dispose()
				{
					int num = <>1__state;
					if (num == -3 || (uint)(num - 1) <= 2u)
					{
						try
						{
						}
						finally
						{
							<>m__Finally1();
						}
					}
					<>7__wrap1 = null;
					<instruction>5__3 = null;
					<>1__state = -2;
				}

				private bool MoveNext()
				{
					//IL_00de: Unknown result type (might be due to invalid IL or missing references)
					//IL_00e8: Expected O, but got Unknown
					//IL_00b6: Unknown result type (might be due to invalid IL or missing references)
					//IL_00c0: Expected O, but got Unknown
					try
					{
						switch (<>1__state)
						{
						default:
							return false;
						case 0:
							<>1__state = -1;
							<>7__wrap1 = instructions.GetEnumerator();
							<>1__state = -3;
							break;
						case 1:
							<>1__state = -3;
							if (<instruction>5__3.opcode == OpCodes.Ldstr && ((string)<instruction>5__3.operand).Contains("$guardianstone_hook_activate"))
							{
								<>2__current = new CodeInstruction(OpCodes.Ldarg_0, (object)null);
								<>1__state = 2;
								return true;
							}
							goto IL_00fb;
						case 2:
							<>1__state = -3;
							<>2__current = new CodeInstruction(OpCodes.Call, (object)ActivationStatusUpdater);
							<>1__state = 3;
							return true;
						case 3:
							{
								<>1__state = -3;
								goto IL_00fb;
							}
							IL_00fb:
							<instruction>5__3 = null;
							break;
						}
						if (<>7__wrap1.MoveNext())
						{
							<instruction>5__3 = <>7__wrap1.Current;
							<>2__current = <instruction>5__3;
							<>1__state = 1;
							return true;
						}
						<>m__Finally1();
						<>7__wrap1 = null;
						return false;
					}
					catch
					{
						//try-fault
						((IDisposable)this).Dispose();
						throw;
					}
				}

				bool IEnumerator.MoveNext()
				{
					//ILSpy generated this explicit interface implementation from .override directive in MoveNext
					return this.MoveNext();
				}

				private void <>m__Finally1()
				{
					<>1__state = -1;
					if (<>7__wrap1 != null)
					{
						<>7__wrap1.Dispose();
					}
				}

				[DebuggerHidden]
				void IEnumerator.Reset()
				{
					throw new NotSupportedException();
				}

				[DebuggerHidden]
				IEnumerator<CodeInstruction> IEnumerable<CodeInstruction>.GetEnumerator()
				{
					<Transpiler>d__4 <Transpiler>d__;
					if (<>1__state == -2 && <>l__initialThreadId == Environment.CurrentManagedThreadId)
					{
						<>1__state = 0;
						<Transpiler>d__ = this;
					}
					else
					{
						<Transpiler>d__ = new <Transpiler>d__4(0);
					}
					<Transpiler>d__.instructions = <>3__instructions;
					return <Transpiler>d__;
				}

				[DebuggerHidden]
				IEnumerator IEnumerable.GetEnumerator()
				{
					return ((IEnumerable<CodeInstruction>)this).GetEnumerator();
				}
			}

			private static readonly MethodInfo ActivationStatusUpdater = AccessTools.DeclaredMethod(typeof(ModifyBossStoneHoverText), "UpdateActivationStatus", (Type[])null, (Type[])null);

			private const string activateStr = "$guardianstone_hook_activate";

			private static void Prefix(ItemStand __instance)
			{
				StatusEffect guardianPower = __instance.m_guardianPower;
				if (guardianPower != null)
				{
					UpdateStatusEffectTooltip(guardianPower);
				}
			}

			private static string UpdateActivationStatus(string str, ItemStand itemStand)
			{
				if (Utils.getPassivePowers(Player.m_localPlayer).Contains(((Object)itemStand.m_guardianPower).name))
				{
					return str.Replace("$guardianstone_hook_activate", "$guardianstone_hook_deactivate");
				}
				return str;
			}

			[IteratorStateMachine(typeof(<Transpiler>d__4))]
			private static IEnumerable<CodeInstruction> Transpiler(IEnumerable<CodeInstruction> instructions)
			{
				//yield-return decompiler failed: Unexpected instruction in Iterator.Dispose()
				return new <Transpiler>d__4(-2)
				{
					<>3__instructions = instructions
				};
			}
		}

		[HarmonyPatch(typeof(ItemStand), "Interact")]
		private class SwitchSelectedPowers
		{
			[CompilerGenerated]
			private sealed class <Transpiler>d__5 : IEnumerable<CodeInstruction>, IEnumerable, IEnumerator<CodeInstruction>, IDisposable, IEnumerator
			{
				private int <>1__state;

				private CodeInstruction <>2__current;

				private int <>l__initialThreadId;

				private ILGenerator ilg;

				public ILGenerator <>3__ilg;

				private IEnumerable<CodeInstruction> instructions;

				public IEnumerable<CodeInstruction> <>3__instructions;

				private Label <cleanup>5__2;

				private IEnumerator<CodeInstruction> <>7__wrap2;

				private CodeInstruction <instruction>5__4;

				CodeInstruction IEnumerator<CodeInstruction>.Current
				{
					[DebuggerHidden]
					get
					{
						return <>2__current;
					}
				}

				object IEnumerator.Current
				{
					[DebuggerHidden]
					get
					{
						return <>2__current;
					}
				}

				[DebuggerHidden]
				public <Transpiler>d__5(int <>1__state)
				{
					this.<>1__state = <>1__state;
					<>l__initialThreadId = Environment.CurrentManagedThreadId;
				}

				[DebuggerHidden]
				void IDisposable.Dispose()
				{
					int num = <>1__state;
					if (num == -3 || (uint)(num - 1) <= 5u)
					{
						try
						{
						}
						finally
						{
							<>m__Finally1();
						}
					}
					<>7__wrap2 = null;
					<instruction>5__4 = null;
					<>1__state = -2;
				}

				private bool MoveNext()
				{
					//IL_0118: Unknown result type (might be due to invalid IL or missing references)
					//IL_0122: Expected O, but got Unknown
					//IL_013f: Unknown result type (might be due to invalid IL or missing references)
					//IL_0149: Expected O, but got Unknown
					//IL_016a: Unknown result type (might be due to invalid IL or missing references)
					//IL_0174: Expected O, but got Unknown
					//IL_019b: Unknown result type (might be due to invalid IL or missing references)
					//IL_01a5: Expected O, but got Unknown
					//IL_0223: Unknown result type (might be due to invalid IL or missing references)
					//IL_022d: Expected O, but got Unknown
					//IL_0246: Unknown result type (might be due to invalid IL or missing references)
					//IL_0250: Expected O, but got Unknown
					//IL_026a: Unknown result type (might be due to invalid IL or missing references)
					//IL_0274: Expected O, but got Unknown
					//IL_028e: Unknown result type (might be due to invalid IL or missing references)
					//IL_0298: Expected O, but got Unknown
					//IL_01e6: Unknown result type (might be due to invalid IL or missing references)
					//IL_01eb: Unknown result type (might be due to invalid IL or missing references)
					//IL_0207: Expected O, but got Unknown
					//IL_00ed: Unknown result type (might be due to invalid IL or missing references)
					//IL_00f7: Expected O, but got Unknown
					try
					{
						switch (<>1__state)
						{
						default:
							return false;
						case 0:
							<>1__state = -1;
							<cleanup>5__2 = ilg.DefineLabel();
							<>7__wrap2 = instructions.GetEnumerator();
							<>1__state = -3;
							goto IL_01c2;
						case 1:
							<>1__state = -3;
							if (<instruction>5__4.opcode == OpCodes.Ldstr && ((string)<instruction>5__4.operand).Contains("$guardianstone_hook_power_activate"))
							{
								<>2__current = new CodeInstruction(OpCodes.Ldarg_0, (object)null);
								<>1__state = 2;
								return true;
							}
							goto IL_01bb;
						case 2:
							<>1__state = -3;
							<>2__current = new CodeInstruction(OpCodes.Call, (object)ActivationStatusUpdater);
							<>1__state = 3;
							return true;
						case 3:
							<>1__state = -3;
							<>2__current = new CodeInstruction(OpCodes.Ldarg_0, (object)null);
							<>1__state = 4;
							return true;
						case 4:
							<>1__state = -3;
							<>2__current = new CodeInstruction(OpCodes.Call, (object)ActivatePowerCheck);
							<>1__state = 5;
							return true;
						case 5:
							<>1__state = -3;
							<>2__current = new CodeInstruction(OpCodes.Brfalse, (object)<cleanup>5__2);
							<>1__state = 6;
							return true;
						case 6:
							<>1__state = -3;
							goto IL_01bb;
						case 7:
							<>1__state = -1;
							<>2__current = new CodeInstruction(OpCodes.Pop, (object)null);
							<>1__state = 8;
							return true;
						case 8:
							<>1__state = -1;
							<>2__current = new CodeInstruction(OpCodes.Pop, (object)null);
							<>1__state = 9;
							return true;
						case 9:
							<>1__state = -1;
							<>2__current = new CodeInstruction(OpCodes.Ldc_I4_0, (object)null);
							<>1__state = 10;
							return true;
						case 10:
							<>1__state = -1;
							<>2__current = new CodeInstruction(OpCodes.Ret, (object)null);
							<>1__state = 11;
							return true;
						case 11:
							{
								<>1__state = -1;
								return false;
							}
							IL_01c2:
							if (<>7__wrap2.MoveNext())
							{
								<instruction>5__4 = <>7__wrap2.Current;
								<>2__current = <instruction>5__4;
								<>1__state = 1;
								return true;
							}
							<>m__Finally1();
							<>7__wrap2 = null;
							<>2__current = new CodeInstruction(OpCodes.Pop, (object)null)
							{
								labels = new List<Label> { <cleanup>5__2 }
							};
							<>1__state = 7;
							return true;
							IL_01bb:
							<instruction>5__4 = null;
							goto IL_01c2;
						}
					}
					catch
					{
						//try-fault
						((IDisposable)this).Dispose();
						throw;
					}
				}

				bool IEnumerator.MoveNext()
				{
					//ILSpy generated this explicit interface implementation from .override directive in MoveNext
					return this.MoveNext();
				}

				private void <>m__Finally1()
				{
					<>1__state = -1;
					if (<>7__wrap2 != null)
					{
						<>7__wrap2.Dispose();
					}
				}

				[DebuggerHidden]
				void IEnumerator.Reset()
				{
					throw new NotSupportedException();
				}

				[DebuggerHidden]
				IEnumerator<CodeInstruction> IEnumerable<CodeInstruction>.GetEnumerator()
				{
					<Transpiler>d__5 <Transpiler>d__;
					if (<>1__state == -2 && <>l__initialThreadId == Environment.CurrentManagedThreadId)
					{
						<>1__state = 0;
						<Transpiler>d__ = this;
					}
					else
					{
						<Transpiler>d__ = new <Transpiler>d__5(0);
					}
					<Transpiler>d__.instructions = <>3__instructions;
					<Transpiler>d__.ilg = <>3__ilg;
					return <Transpiler>d__;
				}

				[DebuggerHidden]
				IEnumerator IEnumerable.GetEnumerator()
				{
					return ((IEnumerable<CodeInstruction>)this).GetEnumerator();
				}
			}

			private static readonly MethodInfo ActivationStatusUpdater = AccessTools.DeclaredMethod(typeof(SwitchSelectedPowers), "UpdateActivationStatus", (Type[])null, (Type[])null);

			private static readonly MethodInfo ActivatePowerCheck = AccessTools.DeclaredMethod(typeof(SwitchSelectedPowers), "CanActivatePower", (Type[])null, (Type[])null);

			private const string activateStr = "$guardianstone_hook_power_activate";

			private static string UpdateActivationStatus(string str, ItemStand itemStand)
			{
				if (Utils.getPassivePowers(Player.m_localPlayer).Contains(((Object)itemStand.m_guardianPower).name))
				{
					return str.Replace("$guardianstone_hook_power_activate", "$guardianstone_hook_power_deactivate");
				}
				return str;
			}

			private static bool CanActivatePower(ItemStand itemStand)
			{
				if (Utils.PassivePowerEnabled(((Object)itemStand.m_guardianPower).name))
				{
					return true;
				}
				((Character)Player.m_localPlayer).Message((MessageType)2, Localization.instance.Localize("$powers_min_kills_passive", new string[1] { requiredBossKillsPassive[((Object)itemStand.m_guardianPower).name].Value.ToString() }), 0, (Sprite)null);
				return false;
			}

			[IteratorStateMachine(typeof(<Transpiler>d__5))]
			private static IEnumerable<CodeInstruction> Transpiler(IEnumerable<CodeInstruction> instructions, ILGenerator ilg)
			{
				//yield-return decompiler failed: Unexpected instruction in Iterator.Dispose()
				return new <Transpiler>d__5(-2)
				{
					<>3__instructions = instructions,
					<>3__ilg = ilg
				};
			}
		}

		[HarmonyPatch(typeof(TextsDialog), "AddActiveEffects")]
		private class AddPowerEffectsToCompendium
		{
			private static readonly MethodInfo GuardianPowerGetter = AccessTools.DeclaredMethod(typeof(Player), "GetGuardianPowerHUD", (Type[])null, (Type[])null);

			private static readonly MethodInfo GuardianPowerWriter = AccessTools.DeclaredMethod(typeof(AddPowerEffectsToCompendium), "DisplayGuardianPowers", (Type[])null, (Type[])null);

			private static void DisplayGuardianPowers(StringBuilder stringBuilder)
			{
				List<string> passivePowers = Utils.getPassivePowers(Player.m_localPlayer);
				if (passivePowers.Count == 0)
				{
					return;
				}
				stringBuilder.Append("<color=yellow>" + Localization.instance.Localize("$inventory_selectedgp") + "</color>\n");
				foreach (string item in passivePowers)
				{
					StatusEffect statusEffect = ObjectDB.instance.GetStatusEffect(StringExtensionMethods.GetStableHashCode(item));
					if (statusEffect != null)
					{
						UpdateStatusEffectTooltip(statusEffect);
						stringBuilder.Append("<color=orange>" + Localization.instance.Localize(statusEffect.m_name) + "</color>\n");
						stringBuilder.Append(Localization.instance.Localize(statusEffect.GetTooltipString()));
						stringBuilder.Append("\n\n");
					}
				}
			}

			private static IEnumerable<CodeInstruction> Transpiler(IEnumerable<CodeInstruction> instructions)
			{
				//IL_00b7: Unknown result type (might be due to invalid IL or missing references)
				//IL_00bd: Expected O, but got Unknown
				List<CodeInstruction> list = instructions.ToList();
				int i;
				for (i = 0; i < list.Count; i++)
				{
					CodeInstruction val = list[i];
					if (val.opcode == OpCodes.Callvirt && CodeInstructionExtensions.OperandIs(val, (MemberInfo)GuardianPowerGetter))
					{
						break;
					}
				}
				int num = i - 3;
				Label? label;
				for (label = null; i < list.Count && !CodeInstructionExtensions.Branches(list[i], ref label); i++)
				{
				}
				CodeInstruction val2 = list[i + 1];
				val2.labels = list[num].labels;
				return list.Take(num).Concat((IEnumerable<CodeInstruction>)(object)new CodeInstruction[2]
				{
					val2,
					new CodeInstruction(OpCodes.Call, (object)GuardianPowerWriter)
				}).Concat(list.Skip(num).SkipWhile((CodeInstruction instruction) => !instruction.labels.Contains(label.Value)));
			}
		}

		private class HudPower
		{
			public Transform root;

			public TMP_Text name;

			public Image icon;
		}

		[HarmonyPatch(typeof(Hud), "Awake")]
		private class DisplayMultiplePowers
		{
			private static void Postfix(Hud __instance)
			{
				//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_0027: Unknown result type (might be due to invalid IL or missing references)
				//IL_002d: Unknown result type (might be due to invalid IL or missing references)
				//IL_0038: Expected O, but got Unknown
				//IL_00ba: Unknown result type (might be due to invalid IL or missing references)
				//IL_00d1: Unknown result type (might be due to invalid IL or missing references)
				//IL_00d6: Unknown result type (might be due to invalid IL or missing references)
				hudPowers.Clear();
				RectTransform gpRoot = __instance.m_gpRoot;
				GameObject val = new GameObject("powerContainer 1");
				val.transform.parent = (Transform)(object)gpRoot;
				val.transform.localPosition = Vector3.zero;
				GameObject val2 = val;
				for (int num = ((Transform)gpRoot).childCount - 1; num >= 0; num--)
				{
					Transform child = ((Transform)gpRoot).GetChild(num);
					if ((Object)(object)child != (Object)(object)__instance.m_gpCooldown.transform && ((Object)child).name != "TimeBar")
					{
						child.SetParent(val2.transform, true);
					}
				}
				RegisterHudPower(val2.transform);
				for (int i = 2; i <= 7; i++)
				{
					GameObject obj = Object.Instantiate<GameObject>(val2, (Transform)(object)gpRoot);
					((Object)obj).name = "powerContainer " + i;
					Transform transform = obj.transform;
					transform.position += new Vector3(0f, (float)(70 * (i - 1)), 0f);
					RegisterHudPower(obj.transform);
				}
				static void RegisterHudPower(Transform root)
				{
					hudPowers.Add(new HudPower
					{
						root = root,
						icon = ((Component)root.Find("Icon")).GetComponent<Image>(),
						name = ((Component)root.Find("Name")).GetComponent<TMP_Text>()
					});
				}
			}
		}

		[HarmonyPatch(typeof(Hud), "UpdateGuardianPower")]
		private class DisplayBossPowerCooldown
		{
			private static bool Prefix(Hud __instance)
			{
				//IL_00cc: Unknown result type (might be due to invalid IL or missing references)
				//IL_00c5: Unknown result type (might be due to invalid IL or missing references)
				int i = 0;
				foreach (string passivePower in Utils.getPassivePowers(Player.m_localPlayer))
				{
					StatusEffect statusEffect = ObjectDB.instance.GetStatusEffect(StringExtensionMethods.GetStableHashCode(passivePower));
					if (statusEffect != null)
					{
						((Component)hudPowers[i].root).gameObject.SetActive(true);
						hudPowers[i].name.text = Localization.instance.Localize(statusEffect.m_name);
						hudPowers[i].icon.sprite = statusEffect.m_icon;
						((Graphic)hudPowers[i++].icon).color = (Color)((remainingCooldown <= 0f) ? Color.white : new Color(1f, 0f, 1f, 0f));
					}
				}
				((Component)__instance.m_gpRoot).gameObject.SetActive(i > 0);
				for (; i < hudPowers.Count; i++)
				{
					((Component)hudPowers[i].root).gameObject.SetActive(false);
				}
				__instance.m_gpCooldown.text = ((!Utils.ActivePowersEnabled()) ? Localization.instance.Localize("$powers_type_passive") : ((remainingCooldown > 0f) ? StatusEffect.GetTimeString(remainingCooldown, false, false) : Localization.instance.Localize("$hud_ready")));
				return false;
			}
		}

		[HarmonyPatch(typeof(PlayerProfile), "SavePlayerData")]
		private static class SaveBossKills
		{
			private static void Prefix(PlayerProfile __instance, Player player)
			{
				foreach (KeyValuePair<string, float> enemyStat in __instance.m_enemyStats)
				{
					player.m_customData[enemyStat.Key] = enemyStat.Value.ToString(CultureInfo.InvariantCulture);
				}
			}
		}

		[HarmonyPatch(typeof(PlayerProfile), "LoadPlayerData")]
		private static class LoadBossKills
		{
			private static void Postfix(PlayerProfile __instance, Player player)
			{
				if (!Object.op_Implicit((Object)(object)ZNetScene.instance))
				{
					return;
				}
				foreach (GameObject prefab in ZNetScene.instance.m_prefabs)
				{
					Character component = prefab.GetComponent<Character>();
					if (component != null && player.m_customData.TryGetValue(component.m_name, out var value) && float.TryParse(value, NumberStyles.Float, CultureInfo.InvariantCulture, out var result) && !__instance.m_enemyStats.ContainsKey(component.m_name))
					{
						__instance.m_enemyStats[component.m_name] = result;
					}
				}
			}
		}

		[HarmonyPatch(typeof(Character), "OnDeath")]
		public static class CountBossKills
		{
			private static void Prefix(Character __instance)
			{
				//IL_0029: Unknown result type (might be due to invalid IL or missing references)
				if (!__instance.IsBoss() || !Utils.effectToBossMap.ContainsValue(__instance.m_name))
				{
					return;
				}
				List<Player> list = new List<Player>();
				Player.GetPlayersInRange(((Component)__instance).transform.position, 50f, list);
				foreach (Player item in list)
				{
					if ((Object)(object)item != (Object)(object)Player.m_localPlayer)
					{
						((Character)item).m_nview.InvokeRPC("PassivePowers BossDied", new object[1] { __instance.m_name });
					}
				}
			}
		}

		private const string ModName = "Passive Powers";

		private const string ModVersion = "1.1.5";

		private const string ModGUID = "org.bepinex.plugins.passivepowers";

		private static readonly ConfigSync configSync = new ConfigSync("org.bepinex.plugins.passivepowers")
		{
			DisplayName = "Passive Powers",
			CurrentVersion = "1.1.5",
			MinimumRequiredVersion = "1.1.5"
		};

		public static object? configManager;

		private const int bossPowerCount = 7;

		private static ConfigEntry<Toggle> serverConfigLocked = null;

		public static ConfigEntry<int> maximumBossPowers = null;

		private static ConfigEntry<int> activeBossPowerCooldown = null;

		private static ConfigEntry<int> activeBossPowerDuration = null;

		private static ConfigEntry<int> activeBossPowerDepletion = null;

		private static readonly ConfigEntry<KeyboardShortcut>[] bossPowerKeys = new ConfigEntry<KeyboardShortcut>[7];

		private static readonly Dictionary<string, ConfigEntry<string>> bossConfigs = new Dictionary<string, ConfigEntry<string>>();

		public static readonly Dictionary<string, BossConfig> activeBossConfigs = new Dictionary<string, BossConfig>();

		public static readonly Dictionary<string, ConfigEntry<int>> requiredBossKillsPassive = new Dictionary<string, ConfigEntry<int>>();

		public static readonly Dictionary<string, ConfigEntry<int>> requiredBossKillsActive = new Dictionary<string, ConfigEntry<int>>();

		private static readonly Dictionary<string, ConfigEntry<Spread>> PowerSpread = new Dictionary<string, ConfigEntry<Spread>>();

		private readonly ConfigurationManagerAttributes activeBossPowerSettingAttributes = new ConfigurationManagerAttributes();

		private static readonly List<HudPower> hudPowers = new List<HudPower>();

		private static float remainingCooldown => Player.m_localPlayer.m_guardianPowerCooldown;

		private static void reloadConfigDisplay()
		{
			configManager?.GetType().GetMethod("BuildSettingList").Invoke(configManager, Array.Empty<object>());
		}

		private ConfigEntry<T> config<T>(string group, string name, T value, ConfigDescription description, bool synchronizedSetting = true)
		{
			ConfigEntry<T> val = ((BaseUnityPlugin)this).Config.Bind<T>(group, name, value, description);
			configSync.AddConfigEntry<T>(val).SynchronizedConfig = synchronizedSetting;
			return val;
		}

		private void bossConfig(string PowerName, int index, string bossName, string defaults)
		{
			//IL_0060: Unknown result type (might be due to invalid IL or missing references)
			//IL_006b: Expected O, but got Unknown
			//IL_00b8: Unknown result type (might be due to invalid IL or missing references)
			//IL_00c3: Expected O, but got Unknown
			//IL_00f3: Unknown result type (might be due to invalid IL or missing references)
			//IL_00fe: Expected O, but got Unknown
			//IL_0125: Unknown result type (might be due to invalid IL or missing references)
			//IL_0130: Expected O, but got Unknown
			string PowerName2 = PowerName;
			string group = $"{index} - {bossName}";
			ConfigEntry<string> val = config(group, "Effects", defaults, new ConfigDescription("Powers of " + bossName, (AcceptableValueBase)null, new object[1]
			{
				new ConfigurationManagerAttributes
				{
					CustomDrawer = BossConfig.DrawConfigTable(PowerName2),
					Order = -10
				}
			}));
			val.SettingChanged += delegate
			{
				bossConfigChanged(PowerName2);
			};
			bossConfigs[PowerName2] = val;
			bossConfigChanged(PowerName2);
			ConfigEntry<int> value = config(group, "Min kills (Passive)", 1, new ConfigDescription("Minimum required kills of " + bossName + " to be able to use the passive power of the boss. Use 0 to allow everyone to use the passive power as soon as the trophy is hanging on the boss stone.", (AcceptableValueBase)null, Array.Empty<object>()));
			requiredBossKillsPassive[PowerName2] = value;
			ConfigEntry<int> value2 = config(group, "Min kills (Active)", -1, new ConfigDescription("Minimum required kills of " + bossName + " to be able to use the active power of the boss. Use -1 to disable the active power and only allow the passive power.", (AcceptableValueBase)null, Array.Empty<object>()));
			requiredBossKillsActive[PowerName2] = value2;
			ConfigEntry<Spread> value3 = config(group, "Activation spread", Spread.Everyone, new ConfigDescription("Self: Only the player activating the boss power gets the buff.\nConditions Met: Only the nearby players that have the required boss kills receive the buff.\nEveryone: Every nearby player gets the buff.", (AcceptableValueBase)null, Array.Empty<object>()));
			PowerSpread[PowerName2] = value3;
		}

		private static void bossConfigChanged(string PowerName)
		{
			activeBossConfigs[PowerName] = new BossConfig(bossConfigs[PowerName].Value);
		}

		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);
		}

		public void Awake()
		{
			//IL_009a: Unknown result type (might be due to invalid IL or missing references)
			//IL_00a5: 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_0126: Unknown result type (might be due to invalid IL or missing references)
			//IL_0131: Expected O, but got Unknown
			//IL_0180: Unknown result type (might be due to invalid IL or missing references)
			//IL_018b: Expected O, but got Unknown
			//IL_0284: Unknown result type (might be due to invalid IL or missing references)
			//IL_02ab: Unknown result type (might be due to invalid IL or missing references)
			//IL_02b6: Expected O, but got Unknown
			//IL_0332: Unknown result type (might be due to invalid IL or missing references)
			Localizer.Load();
			Type type = AppDomain.CurrentDomain.GetAssemblies().FirstOrDefault((Assembly a) => a.GetName().Name == "ConfigurationManager")?.GetType("ConfigurationManager.ConfigurationManager");
			configManager = ((type == null) ? null : Chainloader.ManagerObject.GetComponent(type));
			serverConfigLocked = config("1 - General", "Lock Configuration", Toggle.On, "If on, the configuration is locked and can be changed by server admins only.");
			maximumBossPowers = config("1 - General", "Maximum boss powers", 2, new ConfigDescription("Sets the maximum number of boss powers that can be active at the same time.", (AcceptableValueBase)(object)new AcceptableValueRange<int>(1, 7), Array.Empty<object>()));
			activeBossPowerCooldown = config("2 - Active Powers", "Cooldown for boss powers (seconds)", 600, new ConfigDescription("Cooldown after activating one of the boss powers. Cooldown is shared between all boss powers.", (AcceptableValueBase)null, new object[1] { activeBossPowerSettingAttributes }));
			activeBossPowerCooldown.SettingChanged += activeBossPowerSettingChanged;
			activeBossPowerDuration = config("2 - Active Powers", "Duration for active boss powers (seconds)", 30, new ConfigDescription("Duration of the buff from activating boss powers.", (AcceptableValueBase)null, new object[1] { activeBossPowerSettingAttributes }));
			activeBossPowerDuration.SettingChanged += activeBossPowerSettingChanged;
			activeBossPowerDepletion = config("2 - Active Powers", "Power loss duration after boss power activation (seconds)", 180, new ConfigDescription("Disables the passive effect of the boss power for the specified duration after the active effect ends.", (AcceptableValueBase)null, new object[1] { activeBossPowerSettingAttributes }));
			activeBossPowerDepletion.SettingChanged += activeBossPowerSettingChanged;
			bossConfig("GP_Eikthyr", 3, "Eikthyr", "RunStamina:15:60,JumpStamina:15:60,SwimStaminaUsage:15:60");
			bossConfig("GP_TheElder", 4, "The Elder", "HealthRegen:10:30,TreeDamage:20:60,MiningDamage:20:60");
			bossConfig("GP_Bonemass", 5, "Bonemass", "PhysicalDamage:10:25,BlockStaminaUsage:35:100,BlockStaminaReturn:2:5");
			bossConfig("GP_Moder", 6, "Moder", "BonusFrostDefense:10:50,TailWind:20:100,WindModifier:35:200,CarryWeight:100:300,MovementSpeed:5:10");
			bossConfig("GP_Yagluth", 7, "Yagluth", "BonusLightningDefense:10:50,BonusDamage:5:10");
			bossConfig("GP_Queen", 8, "Queen", "EitrRegen:35:100,BonusPoisonDefense:10:50,StaminaSneakUsage:50:100");
			bossConfig("GP_Fader", 9, "Fader", "BonusFireDefense:10:50,AdrenalineBonus:35:100,StaggerResist:20:50");
			for (int i = 0; i < 7; i++)
			{
				bossPowerKeys[i] = config<KeyboardShortcut>("2 - Active Powers", $"Shortcut for boss power {i + 1}", new KeyboardShortcut((KeyCode)(49 + i), (KeyCode[])(object)new KeyCode[1] { (KeyCode)308 }), new ConfigDescription($"Keyboard shortcut to activate the {i + 1}. boss power.", (AcceptableValueBase)null, new object[1] { activeBossPowerSettingAttributes }), synchronizedSetting: false);
			}
			configSync.AddLockingConfigEntry<Toggle>(serverConfigLocked);
			activeBossPowerSettingAttributes.Browsable = Utils.ActivePowersEnabled();
			foreach (ConfigEntry<int> value in requiredBossKillsActive.Values)
			{
				value.SettingChanged += delegate
				{
					activeBossPowerSettingAttributes.Browsable = Utils.ActivePowersEnabled();
					reloadConfigDisplay();
				};
			}
			Assembly executingAssembly = Assembly.GetExecutingAssembly();
			new Harmony("org.bepinex.plugins.passivepowers").PatchAll(executingAssembly);
		}

		private static void ActivateBossPowerRPC(long peer, string bossPower)
		{
			if (Utils.ActivePowerEnabled(bossPower.Substring("PassivePowers ".Length)))
			{
				((Character)Player.m_localPlayer).GetSEMan().AddStatusEffect(StringExtensionMethods.GetStableHashCode(bossPower), true, 0, 0f);
			}
		}

		private static void activeBossPowerSettingChanged(object o, EventArgs e)
		{
			foreach (StatusEffect statusEffect in ObjectDB.instance.m_StatusEffects)
			{
				if (((Object)statusEffect).name.StartsWith("PassivePowers", StringComparison.Ordinal))
				{
					if (((Object)statusEffect).name.Contains("Depletion"))
					{
						statusEffect.m_ttl = activeBossPowerDepletion.Value;
						continue;
					}
					statusEffect.m_cooldown = activeBossPowerCooldown.Value;
					statusEffect.m_ttl = activeBossPowerDuration.Value;
				}
			}
		}

		private void Update()
		{
			//IL_0018: Unknown result type (might be due to invalid IL or missing references)
			if (!Utils.ActivePowersEnabled())
			{
				return;
			}
			for (int i = 0; i < bossPowerKeys.Length; i++)
			{
				if (!bossPowerKeys[i].Value.IsKeyDown() || !((Character)Player.m_localPlayer).TakeInput())
				{
					continue;
				}
				List<string> passivePowers = Utils.getPassivePowers(Player.m_localPlayer);
				if (i >= passivePowers.Count)
				{
					continue;
				}
				string text = passivePowers[i];
				StatusEffect statusEffect = ObjectDB.instance.GetStatusEffect(StringExtensionMethods.GetStableHashCode("PassivePowers " + text));
				if (statusEffect != null)
				{
					if (Utils.ActivePowerEnabled(text))
					{
						Player.m_localPlayer.m_guardianSE = ObjectDB.instance.GetStatusEffect(StringExtensionMethods.GetStableHashCode(text));
						Player.m_localPlayer.StartGuardianPower();
						Player.m_localPlayer.m_guardianSE = statusEffect;
					}
					else if (requiredBossKillsActive[text].Value > 0)
					{
						((Character)Player.m_localPlayer).Message((MessageType)2, Localization.instance.Localize("$powers_min_kills_active", new string[1] { requiredBossKillsActive[text].Value.ToString() }), 0, (Sprite)null);
					}
					else
					{
						((Character)Player.m_localPlayer).Message((MessageType)2, Localization.instance.Localize("$powers_not_active"), 0, (Sprite)null);
					}
				}
			}
		}

		private static void UpdateStatusEffectTooltip(StatusEffect statusEffect)
		{
			StatusEffect statusEffect2 = statusEffect;
			statusEffect2.m_tooltip = "";
			List<string> powers = new List<string>();
			int value2 = requiredBossKillsPassive[((Object)statusEffect2).name].Value;
			powers.Add("");
			if (value2 > 0)
			{
				powers.Add(Localization.instance.Localize("$powers_min_kills_passive", new string[1] { value2.ToString() }));
			}
			addTooltips((PowerConfig p) => (int)p.BoxedPassive, "passive");
			value2 = requiredBossKillsActive[((Object)statusEffect2).name].Value;
			if (value2 >= 0)
			{
				powers.Add("");
				if (value2 > 0)
				{
					powers.Add(Localization.instance.Localize("$powers_min_kills_active", new string[1] { value2.ToString() }));
					powers.Add("");
				}
				powers.Add(Localization.instance.Localize("$powers_activation_hint", new string[2]
				{
					Utils.getHumanFriendlyTime(activeBossPowerCooldown.Value),
					Utils.getHumanFriendlyTime(activeBossPowerDuration.Value)
				}));
				addTooltips((PowerConfig p) => (int)p.BoxedActive, "active");
				powers.Add(Localization.instance.Localize("$powers_depletion_hint", new string[1] { Utils.getHumanFriendlyTime(activeBossPowerDepletion.Value) }));
			}
			statusEffect2.m_tooltip = string.Join("\n", powers);
			void addTooltips(Func<PowerConfig, int> value, string type)
			{
				foreach (PowerConfig config in activeBossConfigs[((Object)statusEffect2).name].Configs)
				{
					int num = value(config);
					if (num > 0)
					{
						powers.Add(Localization.instance.Localize("$powers_type_" + type + ": " + config.Desc, new string[1] { num.ToString() }));
					}
				}
			}
		}

		private static void BossDied(long sender, string bossName)
		{
			Utils.IncrementOrSet<string>(Game.instance.GetPlayerProfile().m_enemyStats, bossName, 1f);
		}
	}
	public abstract class PowerConfig
	{
		public static readonly Type[] Modifiers = (from t in typeof(PowerConfig<, >).Assembly.GetTypes()
			where typeof(PowerConfig).IsAssignableFrom(t) && !t.IsAbstract
			orderby t.Name
			select t).ToArray();

		public static readonly Dictionary<string, Type> ModifierMap = Modifiers.ToDictionary((Type t) => t.Name, (Type t) => t);

		public static readonly string[] ModifierNames = Modifiers.Select((Type m) => createFromFloats(m, 0f, 0f).Modifier).ToArray();

		public abstract string Modifier { get; }

		public abstract string Desc { get; }

		public abstract string Unit { get; }

		public abstract object BoxedActive { get; }

		public abstract object BoxedPassive { get; }

		public override bool Equals(object? obj)
		{
			if (obj is PowerConfig powerConfig)
			{
				return Modifier == powerConfig.Modifier;
			}
			return false;
		}

		public override int GetHashCode()
		{
			return Modifier.GetHashCode();
		}

		public static PowerConfig createFromFloats(Type type, float active, float passive)
		{
			MethodInfo method = type.GetMethod("Cast", BindingFlags.Static | BindingFlags.Public | BindingFlags.FlattenHierarchy);
			return (PowerConfig)type.GetConstructors()[0].Invoke(new object[2]
			{
				method.Invoke(null, new object[1] { active }),
				method.Invoke(null, new object[1] { passive })
			});
		}
	}
	public abstract class PowerConfig<T, U> : PowerConfig where T : struct, IConvertible where U : PowerConfig<T, U>
	{
		[CompilerGenerated]
		private T <Active>P;

		[CompilerGenerated]
		private T <Passive>P;

		public override object BoxedActive => <Active>P;

		public override object BoxedPassive => <Passive>P;

		protected PowerConfig(T Active, T Passive)
		{
			<Active>P = Active;
			<Passive>P = Passive;
			base..ctor();
		}

		private T Value(string powerName)
		{
			Player localPlayer = Player.m_localPlayer;
			if (localPlayer == null || !Utils.CanApplyPower(localPlayer, powerName))
			{
				return default(T);
			}
			if (!((Character)localPlayer).m_seman.HaveStatusEffect(StringExtensionMethods.GetStableHashCode("PassivePowers Depletion " + powerName)))
			{
				if (!((Character)Player.m_localPlayer).m_seman.HaveStatusEffect(StringExtensionMethods.GetStableHashCode("PassivePowers " + powerName)))
				{
					return <Passive>P;
				}
				return <Active>P;
			}
			return default(T);
		}

		public static T Total()
		{
			return Cast(PassivePowers.activeBossConfigs.Sum<KeyValuePair<string, BossConfig>>((KeyValuePair<string, BossConfig> kv) => kv.Value.Configs.Sum((PowerConfig c) => (!(c is U val)) ? 0f : val.Value(kv.Key).ToSingle(CultureInfo.InvariantCulture))));
		}

		public static T Cast(float value)
		{
			return (T)Convert.ChangeType(value, typeof(T));
		}
	}
	[UsedImplicitly]
	public class MovementSpeed : PowerConfig<int, MovementSpeed>
	{
		public override string Modifier => "Movement Speed";

		public override string Desc => "$powers_movement_speed_increase";

		public override string Unit => "% increase";

		public MovementSpeed(int active, int passive)
			: base(active, passive)
		{
		}
	}
	[UsedImplicitly]
	public class SwimSpeed : PowerConfig<int, SwimSpeed>
	{
		public override string Modifier => "Swim Speed";

		public override string Desc => "$powers_swim_speed_increase";

		public override string Unit => "% increase";

		public SwimSpeed(int active, int passive)
			: base(active, passive)
		{
		}
	}
	[UsedImplicitly]
	public class SwimStaminaUsage : PowerConfig<int, SwimStaminaUsage>
	{
		public override string Modifier => "Swim Stamina Usage";

		public override string Desc => "$powers_swim_stamina_usage";

		public override string Unit => "% decrease";

		public SwimStaminaUsage(int active, int passive)
			: base(active, passive)
		{
		}
	}
	[UsedImplicitly]
	public class RunStamina : PowerConfig<int, RunStamina>
	{
		public override string Modifier => "Run Stamina Reduction";

		public override string Desc => "$powers_run_stamina_reduction";

		public override string Unit => "% reduction";

		public RunStamina(int active, int passive)
			: base(active, passive)
		{
		}
	}
	[UsedImplicitly]
	public class JumpStamina : PowerConfig<int, JumpStamina>
	{
		public override string Modifier => "Jump Stamina Reduction";

		public override string Desc => "$powers_jump_stamina_reduction";

		public override string Unit => "% reduction";

		public JumpStamina(int active, int passive)
			: base(active, passive)
		{
		}
	}
	[UsedImplicitly]
	public class TreeDamage : PowerConfig<int, TreeDamage>
	{
		public override string Modifier => "Tree Damage Increase";

		public override string Desc => "$powers_tree_damage";

		public override string Unit => "% increase";

		public TreeDamage(int active, int passive)
			: base(active, passive)
		{
		}
	}
	[UsedImplicitly]
	public class MiningDamage : PowerConfig<int, MiningDamage>
	{
		public override string Modifier => "Mining Damage Increase";

		public override string Desc => "$powers_stone_damage";

		public override string Unit => "% increase";

		public MiningDamage(int active, int passive)
			: base(active, passive)
		{
		}
	}
	[UsedImplicitly]
	public class PhysicalDamage : PowerConfig<int, PhysicalDamage>
	{
		public override string Modifier => "Physical Damage Taken Reduction";

		public override string Desc => "$powers_physical_damage_reduction";

		public override string Unit => "% reduction";

		public PhysicalDamage(int active, int passive)
			: base(active, passive)
		{
		}
	}
	[UsedImplicitly]
	public class HealthRegen : PowerConfig<int, HealthRegen>
	{
		public override string Modifier => "Health Regen Increase";

		public override string Desc => "$powers_health_regen_increase";

		public override string Unit => "% increase";

		public HealthRegen(int active, int passive)
			: base(active, passive)
		{
		}
	}
	[UsedImplicitly]
	public class TailWind : PowerConfig<int, TailWind>
	{
		public override string Modifier => "Tail Wind Chance";

		public override string Desc => "$powers_tailwind_chance";

		public override string Unit => "% increase";

		public TailWind(int active, int passive)
			: base(active, passive)
		{
		}
	}
	[UsedImplicitly]
	public class WindSpeed : PowerConfig<int, WindSpeed>
	{
		public override string Modifier => "Wind Speed Modifier";

		public override string Desc => "$powers_wind_modifier";

		public override string Unit => "% increase";

		public WindSpeed(int active, int passive)
			: base(active, passive)
		{
		}
	}
	[UsedImplicitly]
	public class ElementalDamage : PowerConfig<int, ElementalDamage>
	{
		public override string Modifier => "Elemental Damage Taken Reduction";

		public override string Desc => "$powers_elemental_damage_reduction";

		public override string Unit => "% reduction";

		public ElementalDamage(int active, int passive)
			: base(active, passive)
		{
		}
	}
	[UsedImplicitly]
	public class BonusDamage : PowerConfig<int, BonusDamage>
	{
		public override string Modifier => "Bonus Damage";

		public override string Desc => "$powers_additional_damage";

		public override string Unit => "% bonus";

		public BonusDamage(int active, int passive)
			: base(active, passive)
		{
		}
	}
	[UsedImplicitly]
	public class BonusFireDamage : PowerConfig<int, BonusFireDamage>
	{
		public override string Modifier => "Bonus Fire Damage";

		public override string Desc => "$powers_additional_fire_damage";

		public override string Unit => "% bonus";

		public BonusFireDamage(int active, int passive)
			: base(active, passive)
		{
		}
	}
	[UsedImplicitly]
	public class BonusFrostDamage : PowerConfig<int, BonusFrostDamage>
	{
		public override string Modifier => "Bonus Frost Damage";

		public override string Desc => "$powers_additional_frost_damage";

		public override string Unit => "% bonus";

		public BonusFrostDamage(int active, int passive)
			: base(active, passive)
		{
		}
	}
	[UsedImplicitly]
	public class BonusLightningDamage : PowerConfig<int, BonusLightningDamage>
	{
		public override string Modifier => "Bonus Lightning Damage";

		public override string Desc => "$powers_additional_lightning_damage";

		public override string Unit => "% bonus";

		public BonusLightningDamage(int active, int passive)
			: base(active, passive)
		{
		}
	}
	[UsedImplicitly]
	public class BonusPoisonDamage : PowerConfig<int, BonusPoisonDamage>
	{
		public override string Modifier => "Bonus Poison Damage";

		public override string Desc => "$powers_additional_poison_damage";

		public override string Unit => "% bonus";

		public BonusPoisonDamage(int active, int passive)
			: base(active, passive)
		{
		}
	}
	[UsedImplicitly]
	public class BonusSpiritDamage : PowerConfig<int, BonusSpiritDamage>
	{
		public override string Modifier => "Bonus Spirit Damage";

		public override string Desc => "$powers_additional_spirit_damage";

		public override string Unit => "% bonus";

		public BonusSpiritDamage(int active, int passive)
			: base(active, passive)
		{
		}
	}
	[UsedImplicitly]
	public class BonusBluntDamage : PowerConfig<int, BonusBluntDamage>
	{
		public override string Modifier => "Bonus Blunt Damage";

		public override string Desc => "$powers_additional_blunt_damage";

		public override string Unit => "% bonus";

		public BonusBluntDamage(int active, int passive)
			: base(active, passive)
		{
		}
	}
	[UsedImplicitly]
	public class BonusPierceDamage : PowerConfig<int, BonusPierceDamage>
	{
		public override string Modifier => "Bonus Pierce Damage";

		public override string Desc => "$powers_additional_pierce_damage";

		public override string Unit => "% bonus";

		public BonusPierceDamage(int active, int passive)
			: base(active, passive)
		{
		}
	}
	[UsedImplicitly]
	public class BonusSlashDamage : PowerConfig<int, BonusSlashDamage>
	{
		public override string Modifier => "Bonus Slash Damage";

		public override string Desc => "$powers_additional_slash_damage";

		public override string Unit => "% bonus";

		public BonusSlashDamage(int active, int passive)
			: base(active, passive)
		{
		}
	}
	[UsedImplicitly]
	public class BonusFireDefense : PowerConfig<int, BonusFireDefense>
	{
		public override string Modifier => "Bonus Fire Defense";

		public override string Desc => "$powers_additional_fire_defense";

		public override string Unit => "% bonus";

		public BonusFireDefense(int active, int passive)
			: base(active, passive)
		{
		}
	}
	[UsedImplicitly]
	public class BonusFrostDefense : PowerConfig<int, BonusFrostDefense>
	{
		public override string Modifier => "Bonus Frost Defense";

		public override string Desc => "$powers_additional_frost_defense";

		public override string Unit => "% bonus";

		public BonusFrostDefense(int active, int passive)
			: base(active, passive)
		{
		}
	}
	[UsedImplicitly]
	public class BonusLightningDefense : PowerConfig<int, BonusLightningDefense>
	{
		public override string Modifier => "Bonus Lightning Defense";

		public override string Desc => "$powers_additional_lightning_defense";

		public override string Unit => "% bonus";

		public BonusLightningDefense(int active, int passive)
			: base(active, passive)
		{
		}
	}
	[UsedImplicitly]
	public class BonusPoisonDefense : PowerConfig<int, BonusPoisonDefense>
	{
		public override string Modifier => "Bonus Poison Defense";

		public override string Desc => "$powers_additional_poison_defense";

		public override string Unit => "% bonus";

		public BonusPoisonDefense(int active, int passive)
			: base(active, passive)
		{
		}
	}
	[UsedImplicitly]
	public class BonusSpiritDefense : PowerConfig<int, BonusSpiritDefense>
	{
		public override string Modifier => "Bonus Spirit Defense";

		public override string Desc => "$powers_additional_spirit_damage";

		public override string Unit => "% bonus";

		public BonusSpiritDefense(int active, int passive)
			: base(active, passive)
		{
		}
	}
	[UsedImplicitly]
	public class StaminaSneakUsage : PowerConfig<int, StaminaSneakUsage>
	{
		public override string Modifier => "Stamina Sneak Usage";

		public override string Desc => "$powers_sneak_stamina_reduction";

		public override string Unit => "% bonus";

		public StaminaSneakUsage(int active, int passive)
			: base(active, passive)
		{
		}
	}
	[UsedImplicitly]
	public class AdrenalineBonus : PowerConfig<int, AdrenalineBonus>
	{
		public override string Modifier => "Adrenaline Bonus";

		public override string Desc => "$powers_adrenaline_bonus";

		public override string Unit => "% bonus";

		public AdrenalineBonus(int active, int passive)
			: base(active, passive)
		{
		}
	}
	[UsedImplicitly]
	public class StaggerResist : PowerConfig<int, StaggerResist>
	{
		public override string Modifier => "Stagger Resist";

		public override string Desc => "$powers_stagger_resist";

		public override string Unit => "% bonus";

		public StaggerResist(int active, int passive)
			: base(active, passive)
		{
		}
	}
	[UsedImplicitly]
	public class BlockStaminaUsage : PowerConfig<int, BlockStaminaUsage>
	{
		public override string Modifier => "Block Stamina Usage";

		public override string Desc => "$powers_block_stamina_usage";

		public override string Unit => "% bonus";

		public BlockStaminaUsage(int active, int passive)
			: base(active, passive)
		{
		}
	}
	[UsedImplicitly]
	public class BlockStaminaReturn : PowerConfig<int, BlockStaminaReturn>
	{
		public override string Modifier => "Block Stamina Return";

		public override string Desc => "$powers_block_stamina_return";

		public override string Unit => "+ bonus";

		public BlockStaminaReturn(int active, int passive)
			: base(active, passive)
		{
		}
	}
	[UsedImplicitly]
	public class EitrRegen : PowerConfig<int, EitrRegen>
	{
		public override string Modifier => "Eitr Regen Increase";

		public override string Desc => "$powers_eitr_regen";

		public override string Unit => "% increase";

		public EitrRegen(int active, int passive)
			: base(active, passive)
		{
		}
	}
	[UsedImplicitly]
	public class CarryWeight : PowerConfig<int, CarryWeight>
	{
		public override string Modifier => "Carry Weight Increase";

		public override string Desc => "$powers_carry_weight";

		public override string Unit => "+ increase";

		public CarryWeight(int active, int passive)
			: base(active, passive)
		{
		}
	}
	public class BossConfig
	{
		private delegate bool NumberParse(string input, out float value);

		public readonly HashSet<PowerConfig> Configs;

		public BossConfig(HashSet<PowerConfig> configs)
		{
			Configs = configs;
			base..ctor();
		}

		public BossConfig(string configs)
			: this(new HashSet<PowerConfig>(from c in configs.Split(new char[1] { ',' }).Select(delegate(string r)
				{
					string[] array = r.Split(new char[1] { ':' });
					if (array.Length < 2)
					{
						return null;
					}
					if (!PowerConfig.ModifierMap.TryGetValue(array[0], out Type value))
					{
						return null;
					}
					if (!NumberParseFloat(array[1], out var value2))
					{
						return null;
					}
					float value3 = 0f;
					return (array.Length > 2 && !NumberParseFloat(array[2], out value3)) ? null : PowerConfig.createFromFloats(value, value3, value2);
				})
				where c != null
				select c))
		{
		}

		public override string ToString()
		{
			return string.Join(",", Configs.Select((PowerConfig r) => $"{r.GetType().Name}:{r.BoxedPassive}:{r.BoxedActive}"));
		}

		private static object createComboBox()
		{
			//IL_0020: Unknown result type (might be due to invalid IL or missing references)
			//IL_0025: Unknown result type (might be due to invalid IL or missing references)
			//IL_0050: Unknown result type (might be due to invalid IL or missing references)
			//IL_0056: Unknown result type (might be due to invalid IL or missing references)
			//IL_0064: Unknown result type (might be due to invalid IL or missing references)
			//IL_006a: Expected O, but got Unknown
			Rect val = (Rect)PassivePowers.configManager.GetType().GetProperty("SettingWindowRect", BindingFlags.Instance | BindingFlags.NonPublic).GetValue(PassivePowers.configManager);
			return PassivePowers.configManager.GetType().Assembly.GetType("ConfigurationManager.Utilities.ComboBox").GetConstructors()[0].Invoke(new object[5]
			{
				(object)default(Rect),
				(object)new GUIContent(""),
				((IEnumerable<string>)PowerConfig.ModifierNames).Select((Func<string, GUIContent>)((string s) => new GUIContent(s))).ToArray(),
				GUI.skin.button,
				((Rect)(ref val)).yMax
			});
		}

		private static void updateComboBox(object comboBox, string current, Action<int> handler, int width)
		{
			//IL_0008: Unknown result type (might be due to invalid IL or missing references)
			//IL_000e: Expected O, but got Unknown
			//IL_0029: Unknown result type (might be due to invalid IL or missing references)
			//IL_002e: Unknown result type (might be due to invalid IL or missing references)
			//IL_003b: Unknown result type (might be due to invalid IL or missing references)
			Type type = comboBox.GetType();
			GUIContent val = new GUIContent(current);
			Rect rect = GUILayoutUtility.GetRect(val, GUI.skin.button, (GUILayoutOption[])(object)new GUILayoutOption[1] { GUILayout.Width((float)width) });
			type.GetProperty("Rect").SetValue(comboBox, rect);
			type.GetProperty("ButtonContent").SetValue(comboBox, val);
			type.GetMethod("Show").Invoke(comboBox, new object[1] { handler });
		}

		private static bool NumberParseInt(string input, out float value)
		{
			int result;
			bool result2 = int.TryParse(input, out result);
			value = result;
			return result2;
		}

		private static bool NumberParseFloat(string input, out float value)
		{
			return float.TryParse(input, NumberStyles.Float, CultureInfo.InvariantCulture, out value);
		}

		public static Action<ConfigEntryBase> DrawConfigTable(string powerName)
		{
			string powerName2 = powerName;
			List<object> comboBoxes = new List<object>();
			Type selectedPower = null;
			int selectedComboBox = 0;
			bool initialDraw = true;
			bool[] used = new bool[PowerConfig.Modifiers.Length];
			PowerConfig config;
			return delegate(ConfigEntryBase cfg)
			{
				//IL_010a: Unknown result type (might be due to invalid IL or missing references)
				//IL_010f: Unknown result type (might be due to invalid IL or missing references)
				//IL_0120: Expected O, but got Unknown
				//IL_0253: Unknown result type (might be due to invalid IL or missing references)
				//IL_0258: Unknown result type (might be due to invalid IL or missing references)
				//IL_026d: Expected O, but got Unknown
				//IL_02a2: Unknown result type (might be due to invalid IL or missing references)
				//IL_02a7: Unknown result type (might be due to invalid IL or missing references)
				//IL_02bc: Expected O, but got Unknown
				bool locked = cfg.Description.Tags.Select((object a) => (!(a.GetType().Name == "ConfigurationManagerAttributes")) ? null : ((bool?)a.GetType().GetField("ReadOnly")?.GetValue(a))).FirstOrDefault((bool? v) => v.HasValue).GetValueOrDefault();
				HashSet<PowerConfig> newConfigs = new HashSet<PowerConfig>();
				bool wasUpdated = false;
				int num = (int)(PassivePowers.configManager?.GetType().GetProperty("RightColumnWidth", BindingFlags.Instance | BindingFlags.NonPublic).GetGetMethod(nonPublic: true)
					.Invoke(PassivePowers.configManager, Array.Empty<object>()) ?? ((object)130));
				GUILayout.BeginVertical(Array.Empty<GUILayoutOption>());
				HashSet<PowerConfig> configs = new BossConfig((string)cfg.BoxedValue).Configs;
				bool flag = false;
				if (configs.Count == 0)
				{
					GUILayout.BeginHorizontal(Array.Empty<GUILayoutOption>());
					GUILayout.Label("No powers selected", new GUIStyle(GUI.skin.label)
					{
						stretchWidth = true
					}, Array.Empty<GUILayoutOption>());
					flag = GUILayout.Button("Add", Array.Empty<GUILayoutOption>());
					GUILayout.EndHorizontal();
				}
				int num2 = -1;
				foreach (PowerConfig item in configs)
				{
					config = item;
					GUILayout.BeginHorizontal(Array.Empty<GUILayoutOption>());
					if (++num2 >= comboBoxes.Count)
					{
						comboBoxes.Add(createComboBox());
					}
					int comboIdx = num2;
					int modifierIdx = Array.IndexOf(PowerConfig.Modifiers, config.GetType());
					updateComboBox(comboBoxes[num2], config.Modifier, delegate(int index)
					{
						for (int k = 0; k <= index; k++)
						{
							if (index >= used.Length - 1)
							{
								break;
							}
							if (used[k] && k != modifierIdx)
							{
								index++;
							}
						}
						selectedPower = PowerConfig.Modifiers[index];
						selectedComboBox = comboIdx;
					}, num - 3 - 21 - 3 - 21);
					Type type2 = ((num2 == selectedComboBox && (object)selectedPower != null) ? selectedPower : config.GetType());
					wasUpdated = wasUpdated || config.GetType() != type2;
					bool num3 = GUILayout.Button("x", new GUIStyle(GUI.skin.button)
					{
						fixedWidth = 21f
					}, Array.Empty<GUILayoutOption>()) && !locked;
					flag = flag || (configs.Count != PowerConfig.Modifiers.Length && GUILayout.Button("+", new GUIStyle(GUI.skin.button)
					{
						fixedWidth = 21f
					}, Array.Empty<GUILayoutOption>()) && !locked);
					GUILayout.EndHorizontal();
					float active = ((PassivePowers.requiredBossKillsActive[powerName2].Value >= 0) ? Query("Active", config.BoxedActive) : ((config.BoxedPassive is int) ? ((float)(int)config.BoxedActive) : ((float)config.BoxedActive)));
					float passive = Query("Passive", config.BoxedPassive);
					if (num3)
					{
						wasUpdated = true;
					}
					else
					{
						newConfigs.Add(PowerConfig.createFromFloats(type2, active, passive));
					}
				}
				selectedPower = null;
				if (flag)
				{
					wasUpdated = true;
					newConfigs.Add(PowerConfig.createFromFloats(PowerConfig.Modifiers.First((Type p) => newConfigs.All((PowerConfig c) => p != c.GetType())), 0f, 0f));
					if (++num2 >= comboBoxes.Count)
					{
						comboBoxes.Add(createComboBox());
					}
				}
				GUILayout.EndVertical();
				if (wasUpdated || initialDraw)
				{
					initialDraw = false;
					cfg.BoxedValue = new BossConfig(newConfigs).ToString();
					FieldInfo field = comboBoxes[0].GetType().GetField("listContent", BindingFlags.Instance | BindingFlags.NonPublic);
					used = new bool[PowerConfig.Modifiers.Length];
					int i = 0;
					while (i < PowerConfig.Modifiers.Length)
					{
						used[i] = newConfigs.Any((PowerConfig p) => p.GetType() == PowerConfig.Modifiers[i]);
						int num4 = i + 1;
						i = num4;
					}
					num2 = -1;
					foreach (PowerConfig item2 in newConfigs)
					{
						List<string> list = new List<string>();
						for (int j = 0; j < used.Length; j++)
						{
							if (!used[j] || PowerConfig.Modifiers[j] == item2.GetType())
							{
								list.Add(PowerConfig.ModifierNames[j]);
							}
						}
						field.SetValue(comboBoxes[++num2], ((IEnumerable<string>)list).Select((Func<string, GUIContent>)((string s) => new GUIContent(s))).ToArray());
					}
				}
				float Query(string type, object current)
				{
					//IL_001f: Unknown result type (might be due to invalid IL or missing references)
					//IL_0024: Unknown result type (might be due to invalid IL or missing references)
					//IL_0039: Expected O, but got Unknown
					//IL_00ab: Unknown result type (might be due to invalid IL or missing references)
					//IL_00b0: Unknown result type (might be due to invalid IL or missing references)
					//IL_00c5: Expected O, but got Unknown
					//IL_0102: Unknown result type (might be due to invalid IL or missing references)
					//IL_0107: Unknown result type (might be due to invalid IL or missing references)
					//IL_0118: Expected O, but got Unknown
					GUILayout.BeginHorizontal(Array.Empty<GUILayoutOption>());
					GUILayout.Label(type + ": ", new GUIStyle(GUI.skin.label)
					{
						fixedWidth = 70f
					}, Array.Empty<GUILayoutOption>());
					float num6 = ((current is int num5) ? ((float)num5) : ((float)current));
					if (((current is int) ? new NumberParse(NumberParseInt) : new NumberParse(NumberParseFloat))(GUILayout.TextField(num6.ToString(CultureInfo.InvariantCulture), new GUIStyle(GUI.skin.textField)
					{
						fixedWidth = 60f
					}, Array.Empty<GUILayoutOption>()), out var value) && value != num6 && !locked)
					{
						num6 = value;
						wasUpdated = true;
					}
					GUILayout.Label(" " + config.Unit, new GUIStyle(GUI.skin.label)
					{
						stretchWidth = true
					}, Array.Empty<GUILayoutOption>());
					GUILayout.EndHorizontal();
					return num6;
				}
			};
		}
	}
	public class PowerDepletionBehaviour : MonoBehaviour
	{
		public string statusEffect;

		public void Awake()
		{
			if (Object.op_Implicit((Object)(object)Player.m_localPlayer))
			{
				((Character)Player.m_localPlayer).m_seman.AddStatusEffect(StringExtensionMethods.GetStableHashCode(statusEffect), false, 0, 0f);
				Object.Destroy((Object)(object)((Component)this).gameObject);
			}
		}
	}
	public static class Utils
	{
		public static readonly Dictionary<string, string> effectToBossMap = new Dictionary<string, string>
		{
			{ "GP_Eikthyr", "$enemy_eikthyr" },
			{ "GP_TheElder", "$enemy_gdking" },
			{ "GP_Bonemass", "$enemy_bonemass" },
			{ "GP_Moder", "$enemy_dragon" },
			{ "GP_Yagluth", "$enemy_goblinking" },
			{ "GP_Queen", "$enemy_seekerqueen" },
			{ "GP_Fader", "$enemy_fader" }
		};

		public static bool GetToggle(this ConfigEntry<Toggle> toggle)
		{
			return toggle.Value == Toggle.On;
		}

		public static List<string> getPassivePowers(Player player)
		{
			return getPassivePowers(player.m_guardianPower);
		}

		public static List<string> getPassivePowers(string powerList)
		{
			if (!Utility.IsNullOrWhiteSpace(powerList))
			{
				return powerList.Split(new char[1] { ',' }).ToList();
			}
			return new List<string>();
		}

		public static string getHumanFriendlyTime(int seconds)
		{
			TimeSpan timeSpan = TimeSpan.FromSeconds(seconds);
			string text = Localization.instance.Localize((timeSpan.Seconds >= 2) ? "$powers_second_plural" : "$powers_second_singular", new string[1] { timeSpan.Seconds.ToString() });
			string text2 = Localization.instance.Localize((timeSpan.Minutes >= 2) ? "$powers_minute_plural" : "$powers_minute_singular", new string[1] { timeSpan.Minutes.ToString() });
			if (!(timeSpan.TotalMinutes >= 1.0))
			{
				return text;
			}
			if (timeSpan.Seconds != 0)
			{
				return Localization.instance.Localize("$powers_time_bind", new string[2] { text2, text });
			}
			return text2;
		}

		public static bool CanApplyPower(Player player, string power)
		{
			if (!getPassivePowers(player).Contains(power))
			{
				return ((Character)player).GetSEMan().HaveStatusEffect(StringExtensionMethods.GetStableHashCode("PassivePowers " + power));
			}
			return true;
		}

		public static bool ActivePowersEnabled()
		{
			return PassivePowers.requiredBossKillsActive.Any<KeyValuePair<string, ConfigEntry<int>>>((KeyValuePair<string, ConfigEntry<int>> v) => v.Value.Value >= 0);
		}

		private static bool PowerEnabled(Dictionary<string, ConfigEntry<int>> required, string powerName)
		{
			int value = required[powerName].Value;
			Game.instance.GetPlayerProfile().m_enemyStats.TryGetValue(effectToBossMap[powerName], out var value2);
			if (value >= 0)
			{
				return (float)value <= value2;
			}
			return false;
		}

		public static bool ActivePowerEnabled(string powerName)
		{
			return PowerEnabled(PassivePowers.requiredBossKillsActive, powerName);
		}

		public static bool PassivePowerEnabled(string powerName)
		{
			return PowerEnabled(PassivePowers.requiredBossKillsPassive, powerName);
		}

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

		public const string TheElder = "GP_TheElder";

		public const string Bonemass = "GP_Bonemass";

		public const string Moder = "GP_Moder";

		public const string Yagluth = "GP_Yagluth";

		public const string Queen = "GP_Queen";

		public const string Fader = "GP_Fader";
	}
	[HarmonyPatch(typeof(Player), "SetGuardianPower")]
	public class SetSelectedGuardianPowers
	{
		private static bool Prefix(Player __instance, string name)
		{
			if (name == "" || name.Contains(","))
			{
				__instance.m_guardianPower = name;
			}
			else
			{
				List<string> passivePowers = Utils.getPassivePowers(__instance);
				if (!passivePowers.Remove(name))
				{
					passivePowers.Add(name);
				}
				if (passivePowers.Count > PassivePowers.maximumBossPowers.Value)
				{
					passivePowers.RemoveAt(0);
				}
				__instance.m_guardianPower = string.Join(",", passivePowers);
			}
			ZDO zDO = ((Character)__instance).m_nview.GetZDO();
			if (zDO != null)
			{
				zDO.Set("PassivePowers GuardianPowers", __instance.m_guardianPower);
			}
			return false;
		}
	}
}
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 Microsoft.CodeAnalysis
{
	[CompilerGenerated]
	[<112b52fc-385e-4422-8766-76e3d2c67965>Embedded]
	internal sealed class <112b52fc-385e-4422-8766-76e3d2c67965>EmbeddedAttribute : Attribute
	{
	}
}
namespace System.Runtime.CompilerServices
{
	[CompilerGenerated]
	[<112b52fc-385e-4422-8766-76e3d2c67965>Embedded]
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Event | AttributeTargets.Parameter | AttributeTargets.ReturnValue | AttributeTargets.GenericParameter, AllowMultiple = false, Inherited = false)]
	internal sealed class <1bfc4759-c5a6-4eb1-bee9-a1d0c5c59449>NullableAttribute : Attribute
	{
		public readonly byte[] NullableFlags;

		public <1bfc4759-c5a6-4eb1-bee9-a1d0c5c59449>NullableAttribute(byte P_0)
		{
			NullableFlags = new byte[1] { P_0 };
		}

		public <1bfc4759-c5a6-4eb1-bee9-a1d0c5c59449>NullableAttribute(byte[] P_0)
		{
			NullableFlags = P_0;
		}
	}
	[CompilerGenerated]
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct | AttributeTargets.Method | AttributeTargets.Interface | AttributeTargets.Delegate, AllowMultiple = false, Inherited = false)]
	[<112b52fc-385e-4422-8766-76e3d2c67965>Embedded]
	internal sealed class <79594173-e941-4ad9-973e-713c0d41eb0b>NullableContextAttribute : Attribute
	{
		public readonly byte Flag;

		public <79594173-e941-4ad9-973e-713c0d41eb0b>NullableContextAttribute(byte P_0)
		{
			Flag = P_0;
		}
	}
}
namespace LocalizationManager
{
	[<1bfc4759-c5a6-4eb1-bee9-a1d0c5c59449>Nullable(0)]
	[<79594173-e941-4ad9-973e-713c0d41eb0b>NullableContext(1)]
	[PublicAPI]
	internal class Localizer
	{
		private static readonly Dictionary<string, Dictionary<string, Func<string>>> PlaceholderProcessors;

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

		private static readonly ConditionalWeakTable<Localization, string> localizationLanguage;

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

		[<1bfc4759-c5a6-4eb1-bee9-a1d0c5c59449>Nullable(2)]
		private static BaseUnityPlugin _plugin;

		private static readonly List<string> fileExtensions;

		private static BaseUnityPlugin plugin
		{
			get
			{
				//IL_009b: Unknown result type (might be due to invalid IL or missing references)
				//IL_00a5: Expected O, but got Unknown
				if (_plugin == null)
				{
					IEnumerable<TypeInfo> source;
					try
					{
						source = Assembly.GetExecutingAssembly().DefinedTypes.ToList();
					}
					catch (ReflectionTypeLoadException ex)
					{
						source = from t in ex.Types
							where t != null
							select t.GetTypeInfo();
					}
					_plugin = (BaseUnityPlugin)Chainloader.ManagerObject.GetComponent((Type)source.First([<79594173-e941-4ad9-973e-713c0d41eb0b>NullableContext(0)] (TypeInfo t) => t.IsClass && typeof(BaseUnityPlugin).IsAssignableFrom(t)));
				}
				return _plugin;
			}
		}

		[<1bfc4759-c5a6-4eb1-bee9-a1d0c5c59449>Nullable(2)]
		[method: <79594173-e941-4ad9-973e-713c0d41eb0b>NullableContext(2)]
		[field: <1bfc4759-c5a6-4eb1-bee9-a1d0c5c59449>Nullable(2)]
		public static event Action OnLocalizationComplete;

		private static void UpdatePlaceholderText(Localization localization, string key)
		{
			localizationLanguage.TryGetValue(localization, out var value);
			string text = loadedTexts[value][key];
			if (PlaceholderProcessors.TryGetValue(key, out var value2))
			{
				text = value2.Aggregate(text, [<79594173-e941-4ad9-973e-713c0d41eb0b>NullableContext(0)] (string current, KeyValuePair<string, Func<string>> kv) => current.Replace("{" + kv.Key + "}", kv.Value()));
			}
			localization.AddWord(key, text);
		}

		public static void AddPlaceholder<T>(string key, string placeholder, ConfigEntry<T> config, [<1bfc4759-c5a6-4eb1-bee9-a1d0c5c59449>Nullable(new byte[] { 2, 1, 1 })] Func<T, string> convertConfigValue = null)
		{
			if (convertConfigValue == null)
			{
				convertConfigValue = (T val) => val.ToString();
			}
			if (!PlaceholderProcessors.ContainsKey(key))
			{
				PlaceholderProcessors[key] = new Dictionary<string, Func<string>>();
			}
			config.SettingChanged += [<79594173-e941-4ad9-973e-713c0d41eb0b>NullableContext(0)] (object _, EventArgs _) =>
			{
				UpdatePlaceholder();
			};
			if (loadedTexts.ContainsKey(Localization.instance.GetSelectedLanguage()))
			{
				UpdatePlaceholder();
			}
			void UpdatePlaceholder()
			{
				PlaceholderProcessors[key][placeholder] = () => convertConfigValue(config.Value);
				UpdatePlaceholderText(Localization.instance, key);
			}
		}

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

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

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

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

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

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

		[return: <1bfc4759-c5a6-4eb1-bee9-a1d0c5c59449>Nullable(2)]
		private static byte[] LoadTranslationFromAssembly(string language)
		{
			foreach (string fileExtension in fileExtensions)
			{
				byte[] array = ReadEmbeddedFileBytes("translations." + language + fileExtension);
				if (array != null)
				{
					return array;
				}
			}
			return null;
		}

		[<79594173-e941-4ad9-973e-713c0d41eb0b>NullableContext(2)]
		public static byte[] ReadEmbeddedFileBytes([<1bfc4759-c5a6-4eb1-bee9-a1d0c5c59449>Nullable(1)] string resourceFileName, Assembly containingAssembly = null)
		{
			using MemoryStream memoryStream = new MemoryStream();
			if ((object)containingAssembly == null)
			{
				containingAssembly = Assembly.GetCallingAssembly();
			}
			string text = containingAssembly.GetManifestResourceNames().FirstOrDefault([<79594173-e941-4ad9-973e-713c0d41eb0b>NullableContext(0)] (string str) => str.EndsWith(resourceFileName, StringComparison.Ordinal));
			if (text != null)
			{
				containingAssembly.GetManifestResourceStream(text)?.CopyTo(memoryStream);
			}
			return (memoryStream.Length == 0L) ? null : memoryStream.ToArray();
		}
	}
	internal static class LocalizationManagerVersion
	{
		[<1bfc4759-c5a6-4eb1-bee9-a1d0c5c59449>Nullable(1)]
		public const string Version = "1.4.0";
	}
}
namespace System.Diagnostics.CodeAnalysis
{
	[AttributeUsage(AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Parameter, Inherited = false)]
	internal sealed class AllowNullAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Parameter, Inherited = false)]
	internal sealed class DisallowNullAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Method, Inherited = false)]
	internal sealed class DoesNotReturnAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Parameter, Inherited = false)]
	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)]
	internal sealed class MaybeNullAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Parameter, Inherited = false)]
	internal sealed class MaybeNullWhenAttribute : Attribute
	{
		public bool ReturnValue { get; }

		public MaybeNullWhenAttribute(bool returnValue)
		{
			ReturnValue = returnValue;
		}
	}
	[AttributeUsage(AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Parameter | AttributeTargets.ReturnValue, Inherited = false)]
	internal sealed class NotNullAttribute : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Property | AttributeTargets.Parameter | AttributeTargets.ReturnValue, AllowMultiple = true, Inherited = false)]
	internal sealed class NotNullIfNotNullAttribute : Attribute
	{
		public string ParameterName { get; }

		public NotNullIfNotNullAttribute(string parameterName)
		{
			ParameterName = parameterName;
		}
	}
	[AttributeUsage(AttributeTargets.Parameter, Inherited = false)]
	internal sealed class NotNullWhenAttribute : Attribute
	{
		public bool ReturnValue { get; }

		public NotNullWhenAttribute(bool returnValue)
		{
			ReturnValue = returnValue;
		}
	}
}
namespace System.Collections.Generic
{
	internal static class DeconstructionExtensions
	{
		public static void Deconstruct<TKey, TValue>(this KeyValuePair<TKey, TValue> pair, out TKey key, out TValue value)
		{
			key = pair.Key;
			value = pair.Value;
		}
	}
}
namespace YamlDotNet
{
	internal sealed class CultureInfoAdapter : CultureInfo
	{
		private readonly IFormatProvider provider;

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

		public override object? GetFormat(Type? formatType)
		{
			return provider.GetFormat(formatType);
		}
	}
	internal static class ReflectionExtensions
	{
		private static readonly FieldInfo? RemoteStackTraceField = typeof(Exception).GetField("_remoteStackTraceString", BindingFlags.Instance | BindingFlags.NonPublic);

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

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

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

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

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

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

		public static bool IsDbNull(this object value)
		{
			return value is DBNull;
		}

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

		public static TypeCode GetTypeCode(this Type type)
		{
			return Type.GetTypeCode(type);
		}

		public static PropertyInfo? GetPublicProperty(this Type type, string name)
		{
			return type.GetProperty(name);
		}

		public static FieldInfo? GetPublicStaticField(this Type type, string name)
		{
			return type.GetField(name, BindingFlags.Static | BindingFlags.Public);
		}

		public static IEnumerable<PropertyInfo> GetProperties(this Type type, bool includeNonPublic)
		{
			BindingFlags bindingFlags = BindingFlags.Instance | BindingFlags.Public;
			if (includeNonPublic)
			{
				bindingFlags |= BindingFlags.NonPublic;
			}
			if (!type.IsInterface)
			{
				return type.GetProperties(bindingFlags);
			}
			return new Type[1] { type }.Concat(type.GetInterfaces()).SelectMany((Type i) => i.GetProperties(bindingFlags));
		}

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

		public static IEnumerable<FieldInfo> GetPublicFields(this Type type)
		{
			return type.GetFields(BindingFlags.Instance | BindingFlags.Public);
		}

		public static IEnumerable<MethodInfo> GetPublicStaticMethods(this Type type)
		{
			return type.GetMethods(BindingFlags.Static | BindingFlags.Public);
		}

		public static MethodInfo GetPrivateStaticMethod(this Type type, string name)
		{
			return type.GetMethod(name, BindingFlags.Static | BindingFlags.NonPublic) ?? throw new MissingMethodException("Expected to find a method named '" + name + "' in '" + type.FullName + "'.");
		}

		public static MethodInfo? GetPublicStaticMethod(this Type type, string name, params Type[] parameterTypes)
		{
			return type.GetMethod(name, BindingFlags.Static | BindingFlags.Public, null, parameterTypes, null);
		}

		public static MethodInfo? GetPublicInstanceMethod(this Type type, string name)
		{
			return type.GetMethod(name, BindingFlags.Instance | BindingFlags.Public);
		}

		public static Exception Unwrap(this TargetInvocationException ex)
		{
			Exception innerException = ex.InnerException;
			if (innerException == null)
			{
				return ex;
			}
			if (RemoteStackTraceField != null)
			{
				RemoteStackTraceField.SetValue(innerException, innerException.StackTrace + "\r\n");
			}
			return innerException;
		}

		public static bool IsInstanceOf(this Type type, object o)
		{
			return type.IsInstanceOfType(o);
		}

		public static Attribute[] GetAllCustomAttributes<TAttribute>(this PropertyInfo property)
		{
			return Attribute.GetCustomAttributes(property, typeof(TAttribute));
		}
	}
	internal static class PropertyInfoExtensions
	{
		public static object? ReadValue(this PropertyInfo property, object target)
		{
			return property.GetValue(target, null);
		}
	}
	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 ITypeResolver typeResolver;

		internal readonly YamlAttributeOverrides overrides;

		internal readonly LazyComponentRegistrationList<Nothing, IYamlTypeConverter> typeConverterFactories;

		internal readonly LazyComponentRegistrationList<ITypeInspector, ITypeInspector> typeInspectorFactories;

		private bool ignoreFields;

		private bool includeNonPublicProperties;

		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");
		}

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

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

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

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

		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 object? Deserialize(TextReader input)
		{
			return Deserialize(input, typeof(object));
		}

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

		public object? Deserialize(IParser parser)
		{
			return Deserialize(parser, typeof(object));
		}

		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 bool ignoreUnmatched;

		protected override DeserializerBuilder Self => this;

		public DeserializerBuilder()
			: base((ITypeResolver)new StaticTypeResolver())
		{
			typeMappings = new Dictionary<Type, Type>();
			objectFactory = new Lazy<IObjectFactory>(() => new DefaultObjectFactory(typeMappings), 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()
				},
				{
					typeof(ArrayNodeDeserializer),
					(Nothing _) => new ArrayNodeDeserializer()
				},
				{
					typeof(DictionaryNodeDeserializer),
					(Nothing _) => new DictionaryNodeDeserializer(objectFactory.Value)
				},
				{
					typeof(CollectionNodeDeserializer),
					(Nothing _) => new CollectionNodeDeserializer(objectFactory.Value)
				},
				{
					typeof(EnumerableNodeDeserializer),
					(Nothing _) => new EnumerableNodeDeserializer()
				},
				{
					typeof(ObjectNodeDeserializer),
					(Nothing _) => new ObjectNodeDeserializer(objectFactory.Value, BuildTypeInspector(), ignoreUnmatched)
				}
			};
			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()
				}
			};
		}

		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 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 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 (typeMappings.ContainsKey(typeFromHandle))
			{
				typeMappings[typeFromHandle] = typeFromHandle2;
			}
			else
			{
				typeMappings.Add(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 IDeserializer Build()
		{
			return Deserializer.FromValueDeserializer(BuildValueDeserializer());
		}

		public IValueDeserializer BuildValueDeserializer()
		{
			return new AliasValueDeserializer(new NodeValueDeserializer(nodeDeserializerFactories.BuildComponentList(), nodeTypeResolverFactories.BuildComponentList()));
		}
	}
	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);

		object? Deserialize(TextReader input);

		object? Deserialize(string input, Type type);

		object? Deserialize(TextReader input, Type type);

		T Deserialize<T>(IParser parser);

		object? Deserialize(IParser parser);

		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);
	}
	internal interface INodeDeserializer
	{
		bool Deserialize(IParser reader, Type expectedType, Func<IParser, Type, object?> nestedObjectDeserializer, out object? value);
	}
	internal interface INodeTypeResolver
	{
		bool Resolve(NodeEvent? nodeEvent, ref Type currentType);
	}
	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);
	}
	internal interface IObjectGraphTraversalStrategy
	{
		void Traverse<TContext>(IObjectDescriptor graph, IObjectGraphVisitor<TContext> visitor, TContext context);
	}
	internal interface IObjectGraphVisitor<TContext>
	{
		bool Enter(IObjectDescriptor value, TContext context);

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

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

		void VisitScalar(IObjectDescriptor scalar, TContext context);

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

		void VisitMappingEnd(IObjectDescriptor mapping, TContext context);

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

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

		bool CanWrite { get; }

		Type Type { get; }

		Type? TypeOverride { get; set; }

		int Order { get; set; }

		ScalarStyle ScalarStyle { get; set; }

		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
	{
		void Serialize(TextWriter writer, object graph);

		string Serialize(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);
	}
	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);

		void WriteYaml(IEmitter emitter, object? value, Type type);
	}
	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 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 string Name { get; set; }

		public Type Type => baseDescriptor.Type;

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

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

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

		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);
				foreach (IObjectGraphVisitor<Nothing> item in preProcessingPhaseObjectGraphVisitors)
				{
					traversalStrategy.Traverse(graph, item, default(Nothing));
				}
				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);
				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 IDictionary<Type, TagName> tagMappings = new Dictionary<Type, TagName>();

		private int maximumRecursion = 50;

		private EmitterSettings emitterSettings = EmitterSettings.Default;

		private DefaultValuesHandling defaultValuesHandlingConfiguration;

		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)
				},
				{
					typeof(CommentsObjectGraphVisitor),
					(EmissionPhaseObjectGraphVisitorArgs args) => new CommentsObjectGraphVisitor(args.InnerVisitor)
				}
			};
			eventEmitterFactories = new LazyComponentRegistrationList<IEventEmitter, IEventEmitter> { 
			{
				typeof(TypeAssigningEventEmitter),
				(IEventEmitter inner) => new TypeAssigningEventEmitter(inner, requireTagWhenStaticAndActualTypesAreDifferent: false, tagMappings)
			} };
			objectGraphTraversalStrategyFactory = (ITypeInspector typeInspector, ITypeResolver typeResolver, IEnumerable<IYamlTypeConverter> typeConverters, int maximumRecursion) => new FullObjectGraphTraversalStrategy(typeInspector, typeResolver, maximumRecursion, namingConvention);
		}

		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, TEventEmitter> eventEmitterFactory, Action<IRegistrationLocationSelectionSyntax<IEventEmitter>> where) where TEventEmitter : IEventEmitter
		{
			Func<IEventEmitter, 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)));
			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);
			WithEventEmitter((IEventEmitter inner) => new TypeAssigningEventEmitter(inner, requireTagWhenStaticAndActualTypesAreDifferent: true, tagMappings), 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();
			return WithTypeConverter(new YamlDotNet.Serialization.Converters.GuidConverter(jsonCompatible: true), delegate(IRegistrationLocationSelectionSyntax<IYamlTypeConverter> w)
			{
				w.InsteadOf<YamlDotNet.Serialization.Converters.GuidConverter>();
			}).WithEventEmitter((IEventEmitter inner) => new JsonEventEmitter(inner), delegate(IRegistrationLocationSelectionSyntax<IEventEmitter> loc)
			{
				loc.InsteadOf<TypeAssigningEventEmitter>();
			});
		}

		public SerializerBuilder WithPreProcessingPhaseObjectGraphVisitor<TObjectGraphVisitor>(TObjectGraphVisitor objectGraphVisitor) where TObjectGraphVisitor : IObjectGraphVisitor<Nothing>
		{
			return WithPreProcessingPhaseObjectGraphVisitor(objectGraphVisitor, 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>(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 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()
		{
			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());
		}
	}
	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 IDictionary<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 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>>();

		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 : TypeInspectorSkeleton
	{
		public sealed class OverridePropertyDescriptor : IPropertyDescriptor
		{
			private readonly IPropertyDescriptor baseDescriptor;

			private readonly YamlAttributeOverrides overrides;

			private readonly Type classType;

			public string Name => baseDescriptor.Name;

			public bool CanWrite => baseDescriptor.CanWrite;

			public Type Type => baseDescriptor.Type;

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

			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
			{
				return overrides.GetAttribute<T>(classType, Name) ?? 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 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;
		}
	}
	internal static class YamlFormatter
	{
		public static readonly NumberFormatInfo NumberFormat = 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 static string FormatNumber(object number)
		{
			return Convert.ToString(number, NumberFormat);
		}

		public static string FormatNumber(double number)
		{
			return number.ToString("G17", NumberFormat);
		}

		public static string FormatNumber(float number)
		{
			return number.ToString("G17", NumberFormat);
		}

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

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

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

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

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

			public bool HasValue { get; private set; }

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

			public event Action<object?>? ValueAvailable;

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

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

		private readonly IValueDeserializer innerDeserializer;

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

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

		private readonly IList<INodeTypeResolver> typeResolvers;

		public NodeValueDeserializer(IList<INodeDeserializer> deserializers, IList<INodeTypeResolver> typeResolvers)
		{
			this.deserializers = deserializers ?? throw new ArgumentNullException("deserializers");
			this.typeResolvers = typeResolvers ?? throw new ArgumentNullException("typeResolvers");
		}

		public object? DeserializeValue(IParser parser, Type expectedType, SerializerState state, IValueDeserializer nestedObjectDeserializer)
		{
			IValueDeserializer nestedObjectDeserializer2 = nestedObjectDeserializer;
			SerializerState state2 = state;
			parser.Accept<NodeEvent>(out var @event);
			Type typeFromEvent = GetTypeFromEvent(@event, expectedType);
			try
			{
				foreach (INodeDeserializer deserializer in deserializers)
				{
					if (deserializer.Deserialize(parser, typeFromEvent, (IParser r, Type t) => nestedObjectDeserializer2.DeserializeValue(r, t, state2, nestedObjectDeserializer2), out object value))
					{
						return YamlDotNet.Serialization.Utilities.TypeConverter.ChangeType(value, expectedType);
					}
				}
			}
			catch (YamlException)
			{
				throw;
			}
			catch (Exception innerException)
			{
				throw new YamlException(@event?.Start ?? Mark.Empty, @event?.End ?? Mark.Empty, "Exception during deserialization", innerException);
			}
			throw new YamlException(@event?.Start ?? Mark.Empty, @event?.End ?? Mark.Empty, "No node deserializer was able to deserialize the node into type " + expectedType.AssemblyQualifiedName);
		}

		private Type GetTypeFromEvent(NodeEvent? nodeEvent, Type currentType)
		{
			using (IEnumerator<INodeTypeResolver> enumerator = typeResolvers.GetEnumerator())
			{
				while (enumerator.MoveNext() && !enumerator.Current.Resolve(nodeEvent, ref currentType))
				{
				}
			}
			return currentType;
		}
	}
}
namespace YamlDotNet.Serialization.Utilities
{
	internal interface IPostDeserializationCallback
	{
		void OnDeserialization();
	}
	internal sealed class ObjectAnchorCollection
	{
		private readonly IDictionary<string, object> objectsByAnchor = new Dictionary<string, object>();

		private readonly IDictionary<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 static class ReflectionUtility
	{
		public static Type? GetImplementedGenericInterface(Type type, Type genericInterfaceType)
		{
			foreach (Type implementedInterface in GetImplementedInterfaces(type))
			{
				if (implementedInterface.IsGenericType() && implementedInterface.GetGenericTypeDefinition() == genericInterfaceType)
				{
					return implementedInterface;
				}
			}
			return null;
		}

		public static IEnumerable<Type> GetImplementedInterfaces(Type type)
		{
			if (type.IsInterface())
			{
				yield return type;
			}
			Type[] interfaces = type.GetInterfaces();
			for (int i = 0; i < interfaces.Length; i++)
			{
				yield return interfaces[i];
			}
		}
	}
	internal sealed class SerializerState : IDisposable
	{
		private readonly IDictionary<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]) + 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)
		{
			return (T)ChangeType(value, typeof(T));
		}

		public static T ChangeType<T>(object? value, IFormatProvider provider)
		{
			return (T)ChangeType(value, typeof(T), provider);
		}

		public static T ChangeType<T>(object? value, CultureInfo culture)
		{
			return (T)ChangeType(value, typeof(T), culture);
		}

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

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

		public static object? ChangeType(object? value, Type destinationType, CultureInfo culture)
		{
			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() && destinationType.GetGenericTypeDefinition() == typeof(Nullable<>))
			{
				Type destinationType2 = destinationType.GetGenericArguments()[0];
				object obj = ChangeType(value, destinationType2, culture);
				return Activator.CreateInstance(destinationType, obj);
			}
			if (destinationType.IsEnum())
			{
				if (!(value is string value2))
				{
					return value;
				}
				return Enum.Parse(destinationType, value2, ignoreCase: true);
			}
			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 };
			for (int i = 0; i < array.Length; i++)
			{
				foreach (MethodInfo publicStaticMethod2 in array[i].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.Unwrap();
						}
					}
				}
			}
			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.Unwrap();
				}
			}
			if (destinationType == typeof(TimeSpan))
			{
				return TimeSpan.Parse((string)ChangeType(value, typeof(string), CultureInfo.InvariantCulture));
			}
			return Convert.ChangeType(value, destinationType, CultureInfo.InvariantCulture);
		}

		[PermissionSet(SecurityAction.LinkDemand, Name = "FullTrust")]
		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)));
			}
		}
	}
}
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 sealed class StaticTypeResolver : ITypeResolver
	{
		public Type Resolve(Type staticType, object? actualValue)
		{
			return staticType;
		}
	}
}
namespace YamlDotNet.Serialization.TypeInspectors
{
	internal sealed class CachedTypeInspector : TypeInspectorSkeleton
	{
		private readonly ITypeInspector innerTypeDescriptor;

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

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

		public override IEnumerable<IPropertyDescriptor> GetProperties(Type type, object? container)
		{
			object container2 = container;
			return cache.GetOrAdd(type, (Type t) => innerTypeDescriptor.GetProperties(t, container2).ToList());
		}
	}
	internal sealed 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 IEnumerable<IPropertyDescriptor> GetProperties(Type type, object? container)
		{
			Type type2 = type;
			object container2 = container;
			return typeInspectors.SelectMany((ITypeInspector i) => i.GetProperties(type2, container2));
		}
	}
	internal sealed 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 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 sealed class ReadableAndWritablePropertiesTypeInspector : TypeInspectorSkeleton
	{
		private readonly ITypeInspector innerTypeDescriptor;

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

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

			private readonly ITypeResolver typeResolver;

			public string Name => fieldInfo.Name;

			public Type Type => fieldInfo.FieldType;

			public Type? TypeOverride { get; set; }

			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;
				ScalarStyle = ScalarStyle.Any;
			}

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

			public T GetCustomAttribute<T>() where T : Attribute
			{
				return (T)fieldInfo.GetCustomAttributes(typeof(T), inherit: true).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 sealed class ReadablePropertiesTypeInspector : TypeInspectorSkeleton
	{
		private sealed class ReflectionPropertyDescriptor : IPropertyDescriptor
		{
			private readonly PropertyInfo propertyInfo;

			private readonly ITypeResolver typeResolver;

			public string Name => propertyInfo.Name;

			public Type Type => propertyInfo.PropertyType;

			public Type? TypeOverride { get; set; }

			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;
			}

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

			public T GetCustomAttribute<T>() where T : Attribute
			{
				return (T)propertyInfo.GetAllCustomAttributes<T>().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 TypeInspectorSkeleton : ITypeInspector
	{
		public abstract IEnumerable<IPropertyDescriptor> GetProperties(Type type, object? container);

		public IPropertyDescriptor GetProperty(Type type, object? container, string name, [MaybeNullWhen(true)] bool ignoreUnmatched)
		{
			string name2 = name;
			IEnumerable<IPropertyDescriptor> enumerable = from p in GetProperties(type, container)
				where p.Name == name2
				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;
		}
	}
}
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 IDictionary<object, AnchorAssignment> assignments = new Dictionary<object, AnchorAssignment>();

		private uint nextId;

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

		protected override bool Enter(IObjectDescriptor value)
		{
			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)
		{
			return true;
		}

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

		protected override void VisitScalar(IObjectDescriptor scalar)
		{
		}

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

		protected override void VisitMappingEnd(IObjectDescriptor mapping)
		{
		}

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

		protected override void VisitSequenceEnd(IObjectDescriptor sequence)
		{
		}

		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(IObjectDescriptor value, IEmitter context)
		{
			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(value, context);
		}

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

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

		public override void VisitScalar(IObjectDescriptor scalar, IEmitter context)
		{
			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(IObjectDescriptor value, IEmitter context)
		{
			return nextVisitor.Enter(value, context);
		}

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

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

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

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

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

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

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

		public override bool EnterMapping(IPropertyDescriptor key, IObjectDescriptor value, IEmitter context)
		{
			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);
		}
	}
	internal sealed class CustomSerializationObjectGraphVisitor : ChainedObjectGraphVisitor
	{
		private readonly IEnumerable<IYamlTypeConverter> typeConverters;

		private readonly ObjectSerializer nestedObjectSerializer;

		public CustomSerializationObjectGraphVisitor(IObjectGraphVisitor<IEmitter> nextVisitor, IEnumerable<IYamlTypeConverter> typeConverters, ObjectSerializer nestedObjectSerializer)
			: base(nextVisitor)
		{
			IEnumerable<IYamlTypeConverter> enumerable;
			if (typeConverters == null)
			{
				enumerable = Enumerable.Empty<IYamlTypeConverter>();
			}
			else
			{
				IEnumerable<IYamlTypeConverter> enumerable2 = typeConverters.ToList();
				enumerable = enumerable2;
			}
			this.typeConverters = enumerable;
			this.nestedObjectSerializer = nestedObjectSerializer;
		}

		public override bool Enter(IObjectDescriptor value, IEmitter context)
		{
			IObjectDescriptor value2 = value;
			IYamlTypeConverter yamlTypeConverter = typeConverters.FirstOrDefault((IYamlTypeConverter t) => t.Accepts(value2.Type));
			if (yamlTypeConverter != null)
			{
				yamlTypeConverter.WriteYaml(context, value2.Value, value2.Type);
				return false;
			}
			if (value2.Value is IYamlConvertible yamlConvertible)
			{
				yamlConvertible.Write(context, nestedObjectSerializer);
				return false;
			}
			if (value2.Value is IYamlSerializable yamlSerializable)
			{
				yamlSerializable.WriteYaml(context);
				return false;
			}
			return base.Enter(value2, context);
		}
	}
	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)
		{
			if (!object.Equals(value.Value, GetDefault(value.Type)))
			{
				return base.EnterMapping(key, value, context);
			}
			return false;
		}

		public override bool EnterMapping(IPropertyDescriptor key, IObjectDescriptor value, IEmitter context)
		{
			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);
			}
			return false;
		}
	}
	internal sealed class DefaultValuesObjectGraphVisitor : ChainedObjectGraphVisitor
	{
		private readonly DefaultValuesHandling handling;

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

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

		public override bool EnterMapping(IPropertyDescriptor key, IObjectDescriptor value, IEmitter context)
		{
			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);
		}
	}
	internal sealed class EmittingObjectGraphVisitor : IObjectGraphVisitor<IEmitter>
	{
		private readonly IEventEmitter eventEmitter;

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

		bool IObjectGraphVisitor<IEmitter>.Enter(IObjectDescriptor value, IEmitter context)
		{
			return true;
		}

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

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

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

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

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

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

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

		public PreProcessingPhaseObjectGraphVisitorSkeleton(IEnumerable<IYamlTypeConverter> typeConverters)
		{
			IEnumerable<IYamlTypeConverter> enumerable;
			if (typeConverters == null)
			{
				enumerable = Enumerable.Empty<IYamlTypeConverter>();
			}
			else
			{
				IEnumerable<IYamlTypeConverter> enumerable2 = typeConverters.ToList();
				enumerable = enumerable2;
			}
			this.typeConverters = enumerable;
		}

		bool IObjectGraphVisitor<Nothing>.Enter(IObjectDescriptor value, Nothing context)
		{
			IObjectDescriptor value2 = value;
			if (typeConverters.FirstOrDefault((IYamlTypeConverter t) => t.Accepts(value2.Type)) != null)
			{
				return false;
			}
			if (value2.Value is IYamlConvertible)
			{
				return false;
			}
			if (value2.Value is IYamlSerializable)
			{
				return false;
			}
			return Enter(value2);
		}

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

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

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

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

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

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

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

		protected abstract bool Enter(IObjectDescriptor value);

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

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

		protected abstract void VisitMappingEnd(IObjectDescriptor mapping);

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

		protected abstract void VisitScalar(IObjectDescriptor scalar);

		protected abstract void VisitSequenceEnd(IObjectDescriptor sequence);

		protected abstract void VisitSequenceStart(IObjectDescriptor sequence, Type elementType);
	}
}
namespace YamlDotNet.Serialization.ObjectGraphTraversalStrategies
{
	internal class FullObjectGraphTraversalStrategy : IObjectGraphTraversalStrategy
	{
		protected 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;

		public FullObjectGraphTraversalStrategy(ITypeInspector typeDescriptor, ITypeResolver typeResolver, int maxRecursion, INamingConvention namingConvention)
		{
			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");
		}

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

		protected virtual void Traverse<TContext>(object name, IObjectDescriptor value, IObjectGraphVisitor<TContext> visitor, TContext context, Stack<ObjectPathSegment> path)
		{
			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 = YamlDotNet.Serialization.Utilities.TypeConverter.ChangeType<string>(item.Name);
					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(value, context))
			{
				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);
					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);
				}
				if (value.Value == null || value.Type == typeof(TimeSpan))
				{
					visitor.VisitScalar(value, context);
					return;
				}
				Type underlyingType = Nullable.GetUnderlyingType(value.Type);
				if (underlyingType != null)
				{
					Traverse("Value", new ObjectDescriptor(value.Value, underlyingType, value.Type, value.ScalarStyle), visitor, context, path);
				}
				else
				{
					TraverseObject(value, visitor, context, path);
				}
			}
			finally
			{
				path.Pop();
			}
		}

		protected virtual void TraverseObject<TContext>(IObjectDescriptor value, IObjectGraphVisitor<TContext> visitor, TContext context, Stack<ObjectPathSegment> path)
		{
			if (typeof(IDictionary).IsAssignableFrom(value.Type))
			{
				TraverseDictionary(value, visitor, typeof(object), typeof(object), context, path);
				return;
			}
			Type implementedGenericInterface = ReflectionUtility.GetImplementedGenericInterface(value.Type, typeof(IDictionary<, >));
			if (implementedGenericInterface != null)
			{
				Type[] genericArguments = implementedGenericInterface.GetGenericArguments();
				object value2 = Activator.CreateInstance(typeof(GenericDictionaryToNonGenericAdapter<, >).MakeGenericType(genericArguments), value.Value);
				TraverseDictionary(new ObjectDescriptor(value2, value.Type, value.StaticType, value.ScalarStyle), visitor, genericArguments[0], genericArguments[1], context, path);
			}
			else if (typeof(IEnumerable).IsAssignableFrom(value.Type))
			{
				TraverseList(value, visitor, context, path);
			}
			else
			{
				TraverseProperties(value, visitor, context, path);
			}
		}

		protected virtual void TraverseDictionary<TContext>(IObjectDescriptor dictionary, IObjectGraphVisitor<TContext> visitor, Type keyType, Type valueType, TContext context, Stack<ObjectPathSegment> path)
		{
			visitor.VisitMappingStart(dictionary, keyType, valueType, context);
			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);
				IObjectDescriptor objectDescriptor = GetObjectDescriptor(obj, keyType);
				IObjectDescriptor objectDescriptor2 = GetObjectDescriptor(value.Value, valueType);
				if (visitor.EnterMapping(objectDescriptor, objectDescriptor2, context))
				{
					Traverse(obj, objectDescriptor, visitor, context, path);
					Traverse(obj, objectDescriptor2, visitor, context, path);
				}
			}
			visitor.VisitMappingEnd(dictionary, context);
		}

		private void TraverseList<TContext>(IObjectDescriptor value, IObjectGraphVisitor<TContext> visitor, TContext context, Stack<ObjectPathSegment> path)
		{
			Type implementedGenericInterface = ReflectionUtility.GetImplementedGenericInterface(value.Type, typeof(IEnumerable<>));
			Type type = ((implementedGenericInterface != null) ? implementedGenericInterface.GetGenericArguments()[0] : typeof(object));
			visitor.VisitSequenceStart(value, type, context);
			int num = 0;
			foreach (object item in (IEnumerable)value.NonNullValue())
			{
				Traverse(num, GetObjectDescriptor(item, type), visitor, context, path);
				num++;
			}
			visitor.VisitSequenceEnd(value, context);
		}

		protected virtual void TraverseProperties<TContext>(IObjectDescriptor value, IObjectGraphVisitor<TContext> visitor, TContext context, Stack<ObjectPathSegment> path)
		{
			visitor.VisitMappingStart(value, typeof(string), typeof(object), context);
			object obj = value.NonNullValue();
			foreach (IPropertyDescriptor property in typeDescriptor.GetProperties(value.Type, obj))
			{
				IObjectDescriptor value2 = property.Read(obj);
				if (visitor.EnterMapping(property, value2, context))
				{
					Traverse(property.Name, new ObjectDescriptor(property.Name, typeof(string), typeof(string)), visitor, context, path);
					Traverse(property.Name, value2, visitor, context, path);
				}
			}
			visitor.VisitMappingEnd(value, context);
		}

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

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

		protected override void TraverseProperties<TContext>(IObjectDescriptor value, IObjectGraphVisitor<TContext> visitor, TContext context, Stack<ObjectPathSegment> path)
		{
			IObjectDescriptor value2 = value;
			if (!value2.Type.HasDefaultConstructor() && !converters.Any((IYamlTypeConverter c) => c.Accepts(value2.Type)))
			{
				throw new InvalidOperationException($"Type '{value2.Type}' cannot be deserialized because it does not have a default constructor or a type converter.");
			}
			base.TraverseProperties(value2, visitor, context, path);
		}
	}
}
namespace YamlDotNet.Serialization.ObjectFactories
{
	internal sealed class DefaultObjectFactory : IObjectFactory
	{
		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>)
			}
		};

		public DefaultObjectFactory()
		{
		}

		public DefaultObjectFactory(IDictionary<Type, Type> 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}'.");
				}
				DefaultNonGenericInterfaceImplementations.Add(mapping.Key, mapping.Value);
			}
		}

		public 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);
			}
			catch (Exception innerException)
			{
				throw new InvalidOperationException("Failed to create an instance of type '" + type.FullName + "'.", innerException);
			}
		}
	}
	internal sealed class LambdaObjectFactory : IObjectFactory
	{
		private readonly Func<Type, object> factory;

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

		public object Create(Type type)
		{
			return factory(type);
		}
	}
}
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}'.");
				}
			}
			_mappings = mappings;
		}

		public bool Resolve(NodeEvent? nodeEvent, ref Type currentType)
		{
			if (_mappings.TryGetValue(currentType, out Type value))
			{
				currentType = value;
				return true;
			}
			return false;
		}
	}
	internal class PreventUnknownTagsNodeTypeResolver : INodeTypeResolver
	{
		bool INodeTypeResolver.Resolve(NodeEvent? nodeEvent, ref Type currentType)
		{
			if (nodeEvent != null && !nodeEvent.Tag.IsEmpty)
			{
				throw new YamlException(nodeEvent.Start, nodeEvent.End, $"Encountered an unresolved tag '{nodeEvent.Tag}'");
			}
			return false;
		}
	}
	internal sealed class TagNodeTypeResolver : INodeTypeResolver
	{
		private readonly IDictionary<TagName, Type> tagMappings;

		public TagNodeTypeResolver(IDictionary<TagName, Type> tagMappings)
		{
			this.tagMappings = tagMappings ?? throw new ArgumentNullException("tagMappings");
		}

		bool INodeTypeResolver.Resolve(NodeEvent? nodeEvent, ref Type currentType)
		{
			if (nodeEvent != null && !nodeEvent.Tag.IsEmpty && tagMappings.TryGetValue(nodeEvent.Tag, out Type value))
			{
				currentType = value;
				return true;
			}
			return false;
		}
	}
	[Obsolete("The mechanism that this class uses to specify type names is non-standard. Register the tags explicitly instead of using this convention.")]
	internal sealed class TypeNameInTagNodeTypeResolver : INodeTypeResolver
	{
		bool INodeTypeResolver.Resolve(NodeEvent? nodeEvent, ref Type currentType)
		{
			if (nodeEvent != null && !nodeEvent.Tag.IsEmpty)
			{
				Type type = Type.GetType(nodeEvent.Tag.Value.Substring(1), throwOnError: false);
				if (type != null)
				{
					currentType = type;
					return true;
				}
			}
			return false;
		}
	}
	internal sealed class YamlConvertibleTypeResolver : INodeTypeResolver
	{
		public bool Resolve(NodeEvent? nodeEvent, ref Type currentType)
		{
			return typeof(IYamlConvertible).IsAssignableFrom(currentType);
		}
	}
	internal sealed class YamlSerializableTypeResolver : INodeTypeResolver
	{
		public bool Resolve(NodeEvent? nodeEvent, ref Type currentType)
		{
			return typeof(IYamlSerializable).IsAssignableFrom(currentType);
		}
	}
}
namespace YamlDotNet.Serialization.NodeDeserializers
{
	internal sealed class ArrayNodeDeserializer : INodeDeserializer
	{
		private sealed class ArrayList : IList, ICollection, IEnumerable
		{
			private object?[] data;

			public bool IsFixedSize => false;

			public bool IsReadOnly => false;

			public object? this[int index]
			{
				get
				{
					return data[index];
				}
				set
				{
					data[index] = value;
				}
			}

			public int Count { get; private set; }

			public bool IsSynchronized => false;

			public object SyncRoot => data;

			public ArrayList()
			{
				Clear();
			}

			public int Add(object? value)
			{
				if (Count == data.Length)
				{
					Array.Resize(ref data, data.Length * 2);
				}
				data[Count] = value;
				return Count++;
			}

			public void Clear()
			{
				data = new object[10];
				Count = 0;
			}

			bool IList.Contains(object? value)
			{
				throw new NotSupportedException();
			}

			int IList.IndexOf(object? value)
			{
				throw new NotSupportedException();
			}

			void IList.Insert(int index, object? value)
			{
				throw new NotSupportedException();
			}

			void IList.Remove(object? value)
			{
				throw new NotSupportedException();
			}

			void IList.RemoveAt(int index)
			{
				throw new NotSupportedException();
			}

			public void CopyTo(Array array, int index)
			{
				Array.Copy(data, 0, array, index, Count);
			}

			public IEnumerator GetEnumerator()
			{
				int i = 0;
				while (i < Count)
				{
					yield return data[i];
					int num = i + 1;
					i = num;
				}
			}
		}

		bool INodeDeserializer.Deserialize(IParser parser, Type expectedType, Func<IParser, Type, object?> nestedObjectDeserializer, out object? value)
		{
			if (!expectedType.IsArray)
			{
				value = false;
				return false;
			}
			Type? elementType = expectedType.GetElementType();
			ArrayList arrayList = new ArrayList();
			CollectionNodeDeserializer.DeserializeHelper(elementType, parser, nestedObjectDeserializer, arrayList, canUpdate: true);
			Array array = Array.CreateInstance(elementType, arrayList.Count);
			arrayList.CopyTo(array, 0);
			value = array;
			return true;
		}
	}
	internal sealed class CollectionNodeDeserializer : INodeDeserializer
	{
		private readonly IObjectFactory objectFactory;

		public CollectionNodeDeserializer(IObjectFactory objectFactory)
		{
			this.objectFactory = objectFactory ?? throw new ArgumentNullException("objectFactory");
		}

		bool INodeDeserializer.Deserialize(IParser parser, Type expectedType, Func<IParser, Type, object?> nestedObjectDeserializer, out object? value)
		{
			bool canUpdate = true;
			Type implementedGenericInterface = ReflectionUtility.GetImplementedGenericInterface(expectedType, typeof(ICollection<>));
			Type type;
			IList list;
			if (implementedGenericInterface != null)
			{
				type = implementedGenericInterface.GetGenericArguments()[0];
				value = objectFactory.Create(expectedType);
				list = value as IList;
				if (list == null)
				{
					canUpdate = ReflectionUtility.GetImplementedGenericInterface(expectedType, typeof(IList<>)) != 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);
			return true;
		}

		internal static void DeserializeHelper(Type tItem, IParser parser, Func<IParser, Type, object?> nestedObjectDeserializer, IList result, bool canUpdate)
		{
			IList result2 = result;
			Type tItem2 = tItem;
			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)
					{
						throw new ForwardAnchorNotSupportedException(current?.Start ?? Mark.Empty, current?.End ?? Mark.Empty, "Forward alias references are not allowed because this type does not implement IList<>");
					}
					int index = result2.Add(tItem2.IsValueType() ? Activator.CreateInstance(tItem2) : null);
					valuePromise.ValueAvailable += delegate(object? v)
					{
						result2[index] = YamlDotNet.Serialization.Utilities.TypeConverter.ChangeType(v, tItem2);
					};
				}
				else
				{
					result2.Add(YamlDotNet.Serialization.Utilities.TypeConverter.ChangeType(obj, tItem2));
				}
			}
		}
	}
	internal sealed class DictionaryNodeDeserializer : INodeDeserializer
	{
		private readonly IObjectFactory objectFactory;

		public DictionaryNodeDeserializer(IObjectFactory objectFactory)
		{
			this.objectFactory = objectFactory ?? throw new ArgumentNullException("objectFactory");
		}

		bool INodeDeserializer.Deserialize(IParser parser, Type expectedType, Func<IParser, Type, object?> nestedObjectDeserializer, out object? value)
		{
			Type implementedGenericInterface = ReflectionUtility.GetImplementedGenericInterface(expectedType, typeof(IDictionary<, >));
			Type type;
			Type type2;
			IDictionary dictionary;
			if (implementedGenericInterface != null)
			{
				Type[] genericArguments = implementedGenericInterface.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;
			}
			DeserializeHelper(type, type2, parser, nestedObjectDeserializer, dictionary);
			return true;
		}

		private static void DeserializeHelper(Type tKey, Type tValue, IParser parser, Func<IParser, Type, object?> nestedObjectDeserializer, IDictionary result)
		{
			IDictionary result2 = result;
			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)
						{
							result2[v] = value;
						}
						else
						{
							key = v;
							hasFirstPart = true;
						}
					};
					valuePromise.ValueAvailable += delegate(object? v)
					{
						if (hasFirstPart)
						{
							result2[key] = v;
						}
						else
						{
							value = v;
							hasFirstPart = true;
						}
					};
				}
				else if (valuePromise == null)
				{
					result2[key] = value;
				}
				else
				{
					valuePromise.ValueAvailable += delegate(object? v)
					{
						result2[key] = v;
					};
				}
			}
		}
	}
	internal sealed class EnumerableNodeDeserializer : INodeDeserializer
	{
		bool INodeDeserializer.Deserialize(IParser parser, Type expectedType, Func<IParser, Type, object?> nestedObjectDeserializer, out object? value)
		{
			Type type;
			if (expectedType == typeof(IEnumerable))
			{
				type = typeof(object);
			}
			else
			{
				Type implementedGenericInterface = ReflectionUtility.GetImplementedGenericInterface(expectedType, typeof(IEnumerable<>));
				if (implementedGenericInterface != expectedType)
				{
					value = null;
					return false;
				}
				type = implementedGenericInterface.GetGenericArguments()[0];
			}
			Type arg = typeof(List<>).MakeGenericType(type);
			value = nestedObjectDeserializer(parser, arg);
			return true;
		}
	}
	internal sealed class NullNodeDeserializer : INodeDeserializer
	{
		bool INodeDeserializer.Deserialize(IParser parser, Type expectedType, Func<IParser, Type, object?> nestedObjectDeserializer, out object? value)
		{
			value = null;
			if (parser.Accept<NodeEvent>(out var @event) && NodeIsNull(@event))
			{
				parser.SkipThisAndNestedEvents();
				return true;
			}
			return false;
		}

		private 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)
			{
				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 typeDescriptor;

		private readonly bool ignoreUnmatched;

		public ObjectNodeDeserializer(IObjectFactory objectFactory, ITypeInspector typeDescriptor, bool ignoreUnmatched)
		{
			this.objectFactory = objectFactory ?? throw new ArgumentNullException("objectFactory");
			this.typeDescriptor = typeDescriptor ?? throw new ArgumentNullException("typeDescriptor");
			this.ignoreUnmatched = ignoreUnmatched;
		}

		bool INodeDeserializer.Deserialize(IParser parser, Type expectedType, Func<IParser, Type, object?> nestedObjectDeserializer, out object? value)
		{
			if (!parser.TryConsume<MappingStart>(out var _))
			{
				value = null;
				return false;
			}
			Type type = Nullable.GetUnderlyingType(expectedType) ?? expectedType;
			value = objectFactory.Create(type);
			MappingEnd event2;
			while (!parser.TryConsume<MappingEnd>(out event2))
			{
				YamlDotNet.Core.Events.Scalar scalar = parser.Consume<YamlDotNet.Core.Events.Scalar>();
				IPropertyDescriptor property = typeDescriptor.GetProperty(type, null, scalar.Value, ignoreUnmatched);
				if (property == null)
				{
					parser.SkipThisAndNestedEvents();
					continue;
				}
				object obj = nestedObjectDeserializer(parser, property.Type);
				if (obj is IValuePromise valuePromise)
				{
					object valueRef = value;
					valuePromise.ValueAvailable += delegate(object? v)
					{
						object value3 = YamlDotNet.Serialization.Utilities.TypeConverter.ChangeType(v, property.Type);
						property.Write(valueRef, value3);
					};
				}
				else
				{
					object value2 = YamlDotNet.Serialization.Utilities.TypeConverter.ChangeType(obj, property.Type);
					property.Write(value, value2);
				}
			}
			return true;
		}
	}
	internal sealed class ScalarNodeDeserializer : INodeDeserializer
	{
		private const string BooleanTruePattern = "^(true|y|yes|on)$";

		private const string BooleanFalsePattern = "^(false|n|no|off)$";

		bool INodeDeserializer.Deserialize(IParser parser, Type expectedType, Func<IParser, Type, object?> nestedObjectDeserializer, out object? value)
		{
			if (!parser.TryConsume<YamlDotNet.Core.Events.Scalar>(out var @event))
			{
				value = null;
				return false;
			}
			Type type = Nullable.GetUnderlyingType(expectedType) ?? expectedType;
			if (type.IsEnum())
			{
				value = Enum.Parse(type, @event.Value, 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, YamlFormatter.NumberFormat);
				break;
			case TypeCode.Double:
				value = double.Parse(@event.Value, YamlFormatter.NumberFormat);
				break;
			case TypeCode.Decimal:
				value = decimal.Parse(@event.Value, YamlFormatter.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))
				{
					value = @event.Value;
				}
				else
				{
					value = YamlDotNet.Serialization.Utilities.TypeConverter.ChangeType(@event.Value, expectedType);
				}
				break;
			}
			return true;
		}

		private object DeserializeBooleanHelper(string value)
		{
			bool flag;
			if (Regex.IsMatch(value, "^(true|y|yes|on)$", RegexOptions.IgnoreCase))
			{
				flag = true;
			}
			else
			{
				if (!Regex.IsMatch(value, "^(false|n|no|off)$", RegexOptions.IgnoreCase))
				{
					throw new FormatException("The value \"" + value + "\" is not a valid YAML Boolean");
				}
				flag = false;
			}
			return flag;
		}

		private object DeserializeIntegerHelper(TypeCode typeCode, string value)
		{
			StringBuilder stringBuilder = new StringBuilder();
			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] != '_')
					{
						stringBuilder.Append(value[i]);
					}
				}
				switch (num2)
				{
				case 2:
				case 8:
					num = Convert.ToUInt64(stringBuilder.ToString(), num2);
					break;
				case 16:
					num = ulong.Parse(stringBuilder.ToString(), NumberStyles.HexNumber, YamlFormatter.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("_", ""));
				}
			}
			if (flag)
			{
				return CastInteger(checked(-(long)num), typeCode);
			}
			return CastInteger(num, typeCode);
		}

		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, 
			});
		}
	}
	internal sealed class TypeConverterNodeDeserializer : INodeDeserializer
	{
		private readonly IEnumerable<IYamlTypeConverter> converters;

		public TypeConverterNodeDeserializer(IEnumerable<IYamlTypeConverter> converters)
		{
			this.converters = converters ?? throw new ArgumentNullException("converters");
		}

		bool INodeDeserializer.Deserialize(IParser parser, Type expectedType, Func<IParser, Type, object?> nestedObjectDeserializer, out object? value)
		{
			Type expectedType2 = expectedType;
			IYamlTypeConverter yamlTypeConverter = converters.FirstOrDefault((IYamlTypeConverter c) => c.Accepts(expectedType2));
			if (yamlTypeConverter == null)
			{
				value = null;
				return false;
			}
			value = yamlTypeConverter.ReadYaml(parser, expectedType2);
			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)
		{
			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)
		{
			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();
		}
	}
	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("-");
		}
	}
	internal sealed class LowerCaseNamingConvention : INamingConvention
	{
		public static readonly INamingConvention Instance = new LowerCaseNamingConvention();

		private LowerCaseNamingConvention()
		{
		}

		public string Apply(string value)
		{
			return value.ToCamelCase().ToLower();
		}
	}
	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;
		}
	}
	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();
		}
	}
	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("_");
		}
	}
}
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
	{
		public JsonEventEmitter(IEventEmitter nextEmitter)
			: base(nextEmitter)
		{
		}

		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 = YamlFormatter.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 = value.ToString();
						eventInfo.Style = ScalarStyle.DoubleQuoted;
					}
					else
					{
						eventInfo.RenderedValue = YamlFormatter.FormatNumber(value);
					}
					break;
				case TypeCode.Single:
				case TypeCode.Double:
				case TypeCode.Decimal:
					eventInfo.RenderedValue = YamlFormatter.FormatNumber(value);
					break;
				case TypeCode.Char:
				case TypeCode.String:
					eventInfo.RenderedValue = value.ToString();
					eventInfo.Style = ScalarStyle.DoubleQuoted;
					break;
				case TypeCode.DateTime:
					eventInfo.RenderedValue = YamlFormatter.FormatDateTime(value);
					break;
				case TypeCode.Empty:
					eventInfo.RenderedValue = "null";
					break;
				default:
					if (eventInfo.Source.Type == typeof(TimeSpan))
					{
						eventInfo.RenderedValue = YamlFormatter.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 bool requireTagWhenStaticAndActualTypesAreDifferent;

		private readonly IDictionary<Type, TagName> tagMappings;

		public TypeAssigningEventEmitter(IEventEmitter nextEmitter, bool requireTagWhenStaticAndActualTypesAreDifferent, IDictionary<Type, TagName> tagMappings)
			: base(nextEmitter)
		{
			this.requireTagWhenStaticAndActualTypesAreDifferent = requireTagWhenStaticAndActualTypesAreDifferent;
			this.tagMappings = tagMappings ?? throw new ArgumentNullException("tagMappings");
		}

		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 = YamlFormatter.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:
					eventInfo.Tag = JsonSchema.Tags.Int;
					eventInfo.RenderedValue = YamlFormatter.FormatNumber(value);
					break;
				case TypeCode.Single:
					eventInfo.Tag = JsonSchema.Tags.Float;
					eventInfo.RenderedValue = YamlFormatter.FormatNumber((float)value);
					break;
				case TypeCode.Double:
					eventInfo.Tag = JsonSchema.Tags.Float;
					eventInfo.RenderedValue = YamlFormatter.FormatNumber((double)value);
					break;
				case TypeCode.Decimal:
					eventInfo.Tag = JsonSchema.Tags.Float;
					eventInfo.RenderedValue = YamlFormatter.FormatNumber(value);
					break;
				case TypeCode.Char:
				case TypeCode.String:
					eventInfo.Tag = FailsafeSchema.Tags.Str;
					eventInfo.RenderedValue = value.ToString();
					style = ScalarStyle.Any;
					break;
				case TypeCode.DateTime:
					eventInfo.Tag = DefaultSchema.Tags.Timestamp;
					eventInfo.RenderedValue = YamlFormatter.FormatDateTime(value);
					break;
				case TypeCode.Empty:
					eventInfo.Tag = JsonSchema.Tags.Null;
					eventInfo.RenderedValue = "";
					break;
				default:
					if (eventInfo.Source.Type == typeof(TimeSpan))
					{
						eventInfo.RenderedValue = YamlFormatter.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;
			}
			else if (requireTagWhenStaticAndActualTypesAreDifferent && eventInfo.Source.Value != null && eventInfo.Source.Type != eventInfo.Source.StaticType)
			{
				throw new YamlException("Cannot serialize type '" + eventInfo.Source.Type.FullName + "' where a '" + eventInfo.Source.StaticType.FullName + "' was expected because no tag mapping has been registered for '" + eventInfo.Source.Type.FullName + "', which means that it won't be possible to deserialize the document.\nRegister a tag mapping using the SerializerBuilder.WithTagMapping method.\n\nE.g: builder.WithTagMapping(\"!" + eventInfo.Source.Type.Name + "\", typeof(" + eventInfo.Source.Type.FullName + "));");
			}
		}
	}
	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 DateTimeConverter : IYamlTypeConverter
	{
		private readonly DateTimeKind kind;

		private readonly IFormatProvider provider;

		private readonly string[] formats;

		public DateTimeConverter(DateTimeKind kind = DateTimeKind.Utc, IFormatProvider? provider = null, params string[] formats)
		{
			this.kind = ((kind == DateTimeKind.Unspecified) ? DateTimeKind.Utc : kind);
			this.provider = provider ?? CultureInfo.InvariantCulture;
			this.formats = formats.DefaultIfEmpty("G").ToArray();
		}

		public bool Accepts(Type type)
		{
			return type == typeof(DateTime);
		}

		public object ReadYaml(IParser parser, Type type)
		{
			return EnsureDateTimeKind(DateTime.ParseExact(parser.Consume<YamlDotNet.Core.Events.Scalar>().Value, style: (kind == DateTimeKind.Local) ? DateTimeStyles.AssumeLocal : DateTimeStyles.AssumeUniversal, formats: formats, provider: provider), kind);
		}

		public void WriteYaml(IEmitter emitter, object? value, Type type)
		{
			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, 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 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)
		{
			return new Guid(parser.Consume<YamlDotNet.Core.Events.Scalar>().Value);
		}

		public void WriteYaml(IEmitter emitter, object? value, Type type)
		{
			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)
		{
			return Type.GetType(parser.Consume<YamlDotNet.Core.Events.Scalar>().Value, throwOnError: true);
		}

		public void WriteYaml(IEmitter emitter, object? value, Type type)
		{
			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.RepresentationModel
{
	internal class DocumentLoadingState
	{
		private readonly IDictionary<AnchorName, YamlNode> anchors = new Dictionary<AnchorName, YamlNode>();

		private readonly IList<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");
			}
			if (anchors.ContainsKey(node.Anchor))
			{
				anchors[node.Anchor] = node;
			}
			else
			{
				anchors.Add(node.Anchor, node);
			}
		}

		public YamlNode GetNode(AnchorName anchor, Mark start, Mark end)
		{
			if (anchors.TryGetValue(anchor, out YamlNode value))
			{
				return value;
			}
			throw new AnchorNotFoundException(start, 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 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.ToString();
		}

		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()
		{
			new 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 IOrderedDictionary<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);
				try
				{
					children.Add(yamlNode, yamlNode2);
				}
				catch (ArgumentException innerException)
				{
					throw new YamlException(yamlNode.Start, yamlNode.End, "Duplicate key", innerException);
				}
				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 = YamlDotNet.Core.HashCode.CombineHashCodes(num, child.Value);
			}
			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!";
			}
			StringBuilder stringBuilder = new StringBuilder("{ ");
			foreach (KeyValuePair<YamlNode, YamlNode> child in children)
			{
				if (stringBuilder.Length > 2)
				{
					stringBuilder.Append(", ");
				}
				stringBuilder.Append("{ ").Append(child.Key.ToString(level)).Append(", ")
					.Append(child.Value.ToString(level))
					.Append(" }");
			}
			stringBuilder.Append(" }");
			level.Decrement();
			return stringBuilder.ToString();
		}

		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)
					{
						yamlNode = Convert.ToString(value) ?? 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
	{
		public string? Value { get; set; }

		public ScalarStyle Style { get; set; }

		public override YamlNodeType NodeType => YamlNodeType.Scalar;

		internal YamlScalarNode(IParser parser, DocumentLoadingState state)
		{
			Load(parser, state);
		}

		private void Load(IParser parser, DocumentLoadingState state)
		{
			YamlDotNet.Core.Events.Scalar scalar = parser.Consume<YamlDotNet.Core.Events.Scalar>();
			Load(scalar, state);
			Value = scalar.Value;
			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)
		{
			emitter.Emit(new YamlDotNet.Core.Events.Scalar(base.Anchor, base.Tag, Value ?? string.Empty, Style, base.Tag.IsEmpty, 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, 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 IList<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!";
			}
			StringBuilder stringBuilder = new StringBuilder("[ ");
			foreach (YamlNode child in children)
			{
				if (stringBuilder.Length > 2)
				{
					stringBuilder.Append(", ");
				}
				stringBuilder.Append(child.ToString(level));
			}
			stringBuilder.Append(" ]");
			level.Decrement();
			return stringBuilder.ToString();
		}

		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 IList<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 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;
		}

		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 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 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 static class NumberExtensions
	{
		public static bool IsPowerOfTwo(this int value)
		{
			return (value & (value - 1)) == 0;
		}
	}
	[Serializable]
	internal 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.Keys.Contains(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.Values.Contains(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(TKey key, TValue value)
		{
			Add(new KeyValuePair<TKey, TValue>(key, value));
		}

		public void Add(KeyValuePair<TKey, TValue> item)
		{
			dictionary.Add(item.Key, item.Value);
			list.Add(item);
		}

		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();
		}

		[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 Lazy
	{
		public static Lazy<T> FromValue<T>(T value)
		{
			T value2 = value;
			Lazy<T> lazy = new Lazy<T>(() => value2, isThreadSafe: false);
			_ = lazy.Value;
			return lazy;
		}
	}
	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;
		}
	}
}
namespace YamlDotNet.Core
{
	internal struct AnchorName : IEquatable<AnchorName>
	{
		public static readonly AnchorName Empty = default(AnchorName);

		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(Mark start, Mark end, string message)
			: base(start, end, message)
		{
		}

		public AnchorNotFoundException(string message, Exception inner)
			: base(message, inner)
		{
		}
	}
	internal sealed class CharacterAnalyzer<TBuffer> where TBuffer : class, ILookAheadBuffer
	{
		public TBuffer Buffer { get; }

		public bool EndOfInput => Buffer.EndOfInput;

		public CharacterAnalyzer(TBuffer buffer)
		{
			Buffer = buffer ?? throw new ArgumentNullException("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 value = Buffer.Peek(offset);
			return expectedCharacters.IndexOf(value) != -1;
		}
	}
	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;
	}
	internal sealed class Cursor
	{
		public int Index { get; private set; }

		public int Line { get; private set; }

		public int LineOffset { get; private set; }

		public Cursor()
		{
			Line = 1;
		}

		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 = 0;
		}

		public void ForceSkipLineAfterNonBreak()
		{
			if (LineOffset != 0)
			{
				Line++;
				LineOffset = 0;
			}
		}
	}
	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 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 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;
			this.output = output;
			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;
			using (Queue<ParsingEvent>.Enumerator enumerator = events.GetEnumerator())
			{
				while (enumerator.MoveNext())
				{
					switch (enumerator.Current.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;
			}
			CharacterAnalyzer<StringLookAheadBuffer> characterAnalyzer = new CharacterAnalyzer<StringLookAheadBuffer>(new StringLookAheadBuffer(value));
			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;
		}

		private bool ValueIsRepresentableInOutputEncoding(string value)
		{
			if (outputUsesUnicodeEncoding)
			{
				return true;
			}
			try
			{
				byte[] bytes = output.Encoding.GetBytes(value);
				return output.Encoding.GetString(bytes, 0, bytes.Length).Equals(value);
			}
			catch (EncoderFallbackException)
			{
				return false;
			}
			catch (ArgumentOutOfRangeException)
			{
				return false;
			}
		}

		private 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 (comment.IsInline)
			{
				Write(' ');
			}
			else
			{
				WriteIndent();
			}
			Write("# ");
			Write(comment.Value);
			WriteBreak();
			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}", new object[2] { 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;
				for (int i = 0; i < defaultTagDirectives.Length; i++)
				{
					AppendTagDirectiveTo(defaultTagDirectives[i], allowDuplicates: true, tagDirectives);
				}
				if (tagDirectiveCollection.Count > 0)
				{
					flag = false;
					defaultTagDirectives = Constants.DefaultTagDirectives;
					for (int i = 0; i < defaultTagDirectives.Length; i++)
					{
						AppendTagDirectiveTo(defaultTagDirectives[i], 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 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 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;
			}
			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.");
						}
						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 (!flag && !flag2 && c == '\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);
			}
			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)
			{
				WriteIndicator(":", needWhitespace: false, whitespace: false, indentation: false);
			}
			else
			{
				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 int AnchorNameLength(AnchorName value)
		{
			if (!value.IsEmpty)
			{
				return value.Value.Length;
			}
			return 0;
		}

		private 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)
		{
			CharacterAnalyzer<StringLookAheadBuffer> characterAnalyzer = new CharacterAnalyzer<StringLookAheadBuffer>(new StringLookAheadBuffer(value));
			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);
			}
		}

		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 string UrlEncode(string text)
		{
			return UriReplacer.Replace(text, delegate(Match match)
			{
				StringBuilder stringBuilder = new StringBuilder();
				byte[] bytes = Encoding.UTF8.GetBytes(match.Value);
				foreach (byte b in bytes)
				{
					stringBuilder.AppendFormat("%{0:X02}", b);
				}
				return stringBuilder.ToString();
			});
		}

		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 bool IsCanonical { get; }

		public bool SkipAnchorName { get; private set; }

		public int MaxSimpleKeyLength { get; } = 1024;


		public bool IndentSequences { get; }

		public EmitterSettings()
		{
		}

		public EmitterSettings(int bestIndent, int bestWidth, bool isCanonical, int maxSimpleKeyLength, bool skipAnchorName = false, bool indentSequences = 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;
		}

		public EmitterSettings WithBestIndent(int bestIndent)
		{
			return new EmitterSettings(bestIndent, BestWidth, IsCanonical, MaxSimpleKeyLength, SkipAnchorName);
		}

		public EmitterSettings WithBestWidth(int bestWidth)
		{
			return new EmitterSettings(BestIndent, bestWidth, IsCanonical, MaxSimpleKeyLength, SkipAnchorName);
		}

		public EmitterSettings WithMaxSimpleKeyLength(int maxSimpleKeyLength)
		{
			return new EmitterSettings(BestIndent, BestWidth, IsCanonical, maxSimpleKeyLength, SkipAnchorName);
		}

		public EmitterSettings Canonical()
		{
			return new EmitterSettings(BestIndent, BestWidth, isCanonical: true, MaxSimpleKeyLength, SkipAnchorName);
		}

		public EmitterSettings WithoutAnchorName()
		{
			return new EmitterSettings(BestIndent, BestWidth, IsCanonical, MaxSimpleKeyLength, skipAnchorName: true);
		}

		public EmitterSettings WithIndentedSequences()
		{
			return new EmitterSettings(BestIndent, BestWidth, IsCanonical, MaxSimpleKeyLength, SkipAnchorName, indentSequences: 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(Mark start, Mark end, string message)
			: base(start, 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));
		}

		public static int CombineHashCodes(object? first, params object?[] others)
		{
			int num = GetHashCode(first);
			foreach (object o in others)
			{
				num = CombineHashCodes(num, o);
			}
			return num;
		}

		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();
	}
	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 sealed class Mark : IEquatable<Mark>, IComparable<Mark>, IComparable
	{
		public static readonly Mark Empty = new Mark();

		public int Index { get; }

		public int Line { get; }

		public int Column { get; }

		public Mark()
		{
			Line = 1;
			Column = 1;
		}

		public Mark(int index, int line, int column)
		{
			if (index < 0)
			{
				throw new ArgumentOutOfRangeException("index", "Index must be greater than or equal to zero.");
			}
			if (line < 1)
			{
				throw new ArgumentOutOfRangeException("line", "Line must be greater than or equal to 1.");
			}
			if (column < 1)
			{
				throw new ArgumentOutOfRangeException("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(obj as Mark);
		}

		public bool Equals(Mark? other)
		{
			if (other != null && 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)
		{
			if (obj == null)
			{
				throw new ArgumentNullException("obj");
			}
			return CompareTo(obj as Mark);
		}

		public int CompareTo(Mark? other)
		{
			if (other == null)
			{
				throw new ArgumentNullException("other");
			}
			int num = Line.CompareTo(other.Line);
			if (num == 0)
			{
				num = Column.CompareTo(other.Column);
			}
			return num;
		}
	}
	internal sealed class MaximumRecursionLevelReachedException : YamlException
	{
		public MaximumRecursionLevelReachedException(string message)
			: base(message)
		{
		}

		public MaximumRecursionLevelReachedException(Mark start, Mark end, string message)
			: base(start, 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 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 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)
			{
				clonedEvent = new SequenceEnd(e.Start, e.End);
			}

			void IParsingEventVisitor.Visit(MappingStart e)
			{
				clonedEvent = new MappingStart(AnchorName.Empty, e.Tag, e.IsImplicit, e.Style, e.Start, e.End);
			}

			void IParsingEventVisitor.Visit(MappingEnd e)
			{
				clonedEvent = new MappingEnd(e.Start, e.End);
			}

			void IParsingEventVisitor.Visit(YamlDotNet.Core.Events.Comment e)
			{
				throw new NotSupportedException();
			}
		}

		private readonly ParsingEventCollection events;

		private readonly IParser innerParser;

		private IEnumerator<LinkedListNode<ParsingEvent>> iterator;

		private bool merged;

		public ParsingEvent? Current => iterator.Current?.Value;

		public MergingParser(IParser innerParser)
		{
			events = new ParsingEventCollection();
			merged = false;
			iterator = events.GetEnumerator();
			this.innerParser = innerParser;
		}

		public bool MoveNext()
		{
			if (!merged)
			{
				Merge();
				events.CleanMarked();
				iterator = events.GetEnumerator();
				merged = true;
			}
			return iterator.MoveNext();
		}

		private void Merge()
		{
			while (innerParser.MoveNext())
			{
				events.Add(innerParser.Current);
			}
			foreach (LinkedListNode<ParsingEvent> @event in events)
			{
				if (IsMergeToken(@event))
				{
					events.MarkDeleted(@event);
					if (!HandleMerge(@event.Next))
					{
						throw new SemanticErrorException(@event.Value.Start, @event.Value.End, "Unrecognized merge key pattern");
					}
				}
			}
		}

		private bool HandleMerge(LinkedListNode<ParsingEvent>? node)
		{
			if (node == null)
			{
				return false;
			}
			if (node.Value is YamlDotNet.Core.Events.AnchorAlias anchorAlias)
			{
				return HandleAnchorAlias(node, node, anchorAlias);
			}
			if (node.Value is SequenceStart)
			{
				return HandleSequence(node);
			}
			return false;
		}

		private bool HandleMergeSequence(LinkedListNode<ParsingEvent> sequenceStart, LinkedListNode<ParsingEvent>? node)
		{
			if (node == null)
			{
				return false;
			}
			if (node.Value is YamlDotNet.Core.Events.AnchorAlias anchorAlias)
			{
				return HandleAnchorAlias(sequenceStart, node, anchorAlias);
			}
			if (node.Value is SequenceStart)
			{
				return HandleSequence(node);
			}
			return false;
		}

		private 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 cloner = new ParsingEventCloner();
			int nesting = 0;
			return from e in (from e in events.FromAnchor(anchor)
					select e.Value).TakeWhile((ParsingEvent e) => (nesting += e.NestingIncrease) >= 0)
				select cloner.Clone(e);
		}
	}
	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 ParsingEvent ParseStreamStart()
		{
			Token token = GetCurrentToken();
			if (!(token is YamlDotNet.Core.Tokens.StreamStart streamStart))
			{
				throw new SemanticErrorException(token?.Start ?? Mark.Empty, token?.End ?? Mark.Empty, "Did not find expected <stream-start>.");
			}
			Skip();
			state = ParserState.ImplicitDocumentStart;
			return new YamlDotNet.Core.Events.StreamStart(streamStart.Start, streamStart.End);
		}

		private ParsingEvent ParseDocumentStart(bool isImplicit)
		{
			if (currentToken is VersionDirective)
			{
				throw new SyntaxErrorException("While parsing a document start node, could not find document end marker before version directive.");
			}
			Token token = GetCurrentToken();
			if (!isImplicit)
			{
				while (token is YamlDotNet.Core.Tokens.DocumentEnd)
				{
					Skip();
					token = GetCurrentToken();
				}
			}
			if (token == null)
			{
				throw new SyntaxErrorException("Reached the end of the stream while parsing a document start.");
			}
			if (token is YamlDotNet.Core.Tokens.Scalar && (state == ParserState.ImplicitDocumentStart || state == ParserState.DocumentStart))
			{
				isImplicit = true;
			}
			if ((isImplicit && !(token is VersionDirective) && !(token is TagDirective) && !(token is YamlDotNet.Core.Tokens.DocumentStart) && !(token is YamlDotNet.Core.Tokens.StreamEnd) && !(token is YamlDotNet.Core.Tokens.DocumentEnd)) || token is BlockMappingStart)
			{
				TagDirectiveCollection tags = new TagDirectiveCollection();
				ProcessDirectives(tags);
				states.Push(ParserState.DocumentEnd);
				state = ParserState.BlockNode;
				return new YamlDotNet.Core.Events.DocumentStart(null, tags, isImplicit: true, token.Start, token.End);
			}
			if (!(token is YamlDotNet.Core.Tokens.StreamEnd) && !(token is YamlDotNet.Core.Tokens.DocumentEnd))
			{
				Mark start = token.Start;
				TagDirectiveCollection tags2 = new TagDirectiveCollection();
				VersionDirective? versionDirective = ProcessDirectives(tags2);
				token = GetCurrentToken() ?? throw new SemanticErrorException("Reached the end of the stream while parsing a document start");
				if (!(token is YamlDotNet.Core.Tokens.DocumentStart))
				{
					throw new SemanticErrorException(token.Start, token.End, "Did not find expected <document start>.");
				}
				states.Push(ParserState.DocumentEnd);
				state = ParserState.DocumentContent;
				Mark end = token.End;
				Skip();
				return new YamlDotNet.Core.Events.DocumentStart(versionDirective, tags2, isImplicit: false, start, end);
			}
			if (token is YamlDotNet.Core.Tokens.DocumentEnd)
			{
				Skip();
			}
			state = ParserState.StreamEnd;
			token = GetCurrentToken() ?? throw new SemanticErrorException("Reached the end of the stream while parsing a document start");
			YamlDotNet.Core.Events.StreamEnd result = new YamlDotNet.Core.Events.StreamEnd(token.Start, token.End);
			if (scanner.MoveNextWithoutConsuming())
			{
				throw new InvalidOperationException("The scanner should contain no more tokens.");
			}
			return result;
		}

		private VersionDirective? ProcessDirectives(TagDirectiveCollection tags)
		{
			bool flag = false;
			VersionDirective result = null;
			while (true)
			{
				if (GetCurrentToken() is VersionDirective versionDirective)
				{
					if (version != null)
					{
						throw new SemanticErrorException(versionDirective.Start, versionDirective.End, "Found duplicate %YAML directive.");
					}
					if (versionDirective.Version.Major != 1 || versionDirective.Version.Minor > 3)
					{
						throw new SemanticErrorException(versionDirective.Start, versionDirective.End, "Found incompatible YAML document.");
					}
					result = (version = versionDirective);
					flag = true;
				}
				else
				{
					if (!(GetCurrentToken() is TagDirective tagDirective))
					{
						break;
					}
					if (tags.Contains(tagDirective.Handle))
					{
						throw new SemanticErrorException(tagDirective.Start, tagDirective.End, "Found duplicate %TAG directive.");
					}
					tags.Add(tagDirective);
					flag = true;
				}
				Skip();
			}
			if (GetCurrentToken() is YamlDotNet.Core.Tokens.DocumentStart && (version == null || (version.Version.Major == 1 && version.Version.Minor > 1)))
			{
				if (GetCurrentToken() is YamlDotNet.Core.Tokens.DocumentStart && version == null)
				{
					version = new VersionDirective(new Version(1, 2));
				}
				flag = true;
			}
			AddTagDirectives(tags, Constants.DefaultTagDirectives);
			if (flag)
			{
				tagDirectives.Clear();
			}
			AddTagDirectives(tagDirectives, tags);
			return result;
		}

		private static void AddTagDirectives(TagDirectiveCollection directives, IEnumerable<TagDirective> source)
		{
			foreach (TagDirective item in source)
			{
				if (!directives.Contains(item))
				{
					directives.Add(item);
				}
			}
		}

		private ParsingEvent ParseDocumentContent()
		{
			if (GetCurrentToken() is VersionDirective || GetCurrentToken() is TagDirective || GetCurrentToken() is YamlDotNet.Core.Tokens.DocumentStart || GetCurrentToken() is YamlDotNet.Core.Tokens.DocumentEnd || GetCurrentToken() is YamlDotNet.Core.Tokens.StreamEnd)
			{
				state = states.Pop();
				return ProcessEmptyScalar(scanner.CurrentPosition);
			}
			return ParseNode(isBlock: true, isIndentlessSequence: false);
		}

		private static ParsingEvent ProcessEmptyScalar(Mark position)
		{
			return new YamlDotNet.Core.Events.Scalar(AnchorName.Empty, TagName.Empty, string.Empty, ScalarStyle.Plain, isPlainImplicit: true, isQuotedImplicit: false, position, position);
		}

		private ParsingEvent ParseNode(bool isBlock, bool isIndentlessSequence)
		{
			if (GetCurrentToken() is Error error)
			{
				throw new SemanticErrorException(error.Start, error.End, error.Value);
			}
			Token token = GetCurrentToken() ?? throw new SemanticErrorException("Reached the end of the stream while parsing a node");
			if (token is YamlDotNet.Core.Tokens.AnchorAlias anchorAlias)
			{
				state = states.Pop();
				YamlDotNet.Core.Events.AnchorAlias result = new YamlDotNet.Core.Events.AnchorAlias(anchorAlias.Value, anchorAlias.Start, anchorAlias.End);
				Skip();
				return result;
			}
			Mark start = 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)
						{
							throw new SemanticErrorException(anchor4.Start, anchor4.End, "While parsing a node, found more than one anchor.");
						}
						if (token is YamlDotNet.Core.Tokens.AnchorAlias anchorAlias2)
						{
							throw new SemanticErrorException(anchorAlias2.Start, anchorAlias2.End, "While parsing a node, did not find expected token.");
						}
						if (!(token is Error error2))
						{
							break;
						}
						if (tag2 != null && anchor2 != null && !anchor.IsEmpty)
						{
							return new YamlDotNet.Core.Events.Scalar(anchor, default(TagName), string.Empty, ScalarStyle.Any, isPlainImplicit: false, isQuotedImplicit: false, anchor2.Start, anchor2.End);
						}
						throw new SemanticErrorException(error2.Start, error2.End, error2.Value);
					}
					tag2 = tag3;
					if (string.IsNullOrEmpty(tag3.Handle))
					{
						tag = new TagName(tag3.Suffix);
					}
					else
					{
						if (!tagDirectives.Contains(tag3.Handle))
						{
							throw new SemanticErrorException(tag3.Start, tag3.End, "While parsing a node, found undefined tag handle.");
						}
						tag = new TagName(tagDirectives[tag3.Handle].Prefix + tag3.Suffix);
					}
					Skip();
				}
				token = GetCurrentToken() ?? throw new SemanticErrorException("Reached the end of the stream while parsing a node");
			}
			bool isEmpty = tag.IsEmpty;
			if (isIndentlessSequence && GetCurrentToken() is BlockEntry)
			{
				state = ParserState.IndentlessSequenceEntry;
				return new SequenceStart(anchor, tag, isEmpty, SequenceStyle.Block, start, 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();
				YamlDotNet.Core.Events.Scalar result2 = new YamlDotNet.Core.Events.Scalar(anchor, tag, scalar.Value, scalar.Style, isPlainImplicit, isQuotedImplicit, start, scalar.End);
				if (!anchor.IsEmpty && scanner.MoveNextWithoutConsuming())
				{
					currentToken = scanner.Current;
					if (currentToken is Error)
					{
						Error error3 = currentToken as Error;
						throw new SemanticErrorException(error3.Start, error3.End, error3.Value);
					}
				}
				if (state == ParserState.FlowMappingKey && scanner.MoveNextWithoutConsuming())
				{
					currentToken = scanner.Current;
					if (currentToken != null && !(currentToken is FlowEntry) && !(currentToken is FlowMappingEnd))
					{
						throw new SemanticErrorException(currentToken.Start, currentToken.End, "While parsing a flow mapping, did not find expected ',' or '}'.");
					}
				}
				return result2;
			}
			if (token is FlowSequenceStart flowSequenceStart)
			{
				state = ParserState.FlowSequenceFirstEntry;
				return new SequenceStart(anchor, tag, isEmpty, SequenceStyle.Flow, start, flowSequenceStart.End);
			}
			if (token is FlowMappingStart flowMappingStart)
			{
				state = ParserState.FlowMappingFirstKey;
				return new MappingStart(anchor, tag, isEmpty, MappingStyle.Flow, start, flowMappingStart.End);
			}
			if (isBlock)
			{
				if (token is BlockSequenceStart blockSequenceStart)
				{
					state = ParserState.BlockSequenceFirstEntry;
					return new SequenceStart(anchor, tag, isEmpty, SequenceStyle.Block, start, blockSequenceStart.End);
				}
				if (token is BlockMappingStart blockMappingStart)
				{
					state = ParserState.BlockMappingFirstKey;
					return new MappingStart(anchor, tag, isEmpty, MappingStyle.Block, start, 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, start, token.End);
			}
			throw new SemanticErrorException(token.Start, token.End, "While parsing a node, did not find expected node content.");
		}

		private ParsingEvent 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(start, 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 end = 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(end);
			}
			if (token is BlockEnd blockEnd)
			{
				state = states.Pop();
				SequenceEnd result = new SequenceEnd(blockEnd.Start, blockEnd.End);
				Skip();
				return result;
			}
			throw new SemanticErrorException(token?.Start ?? Mark.Empty, token?.End ?? Mark.Empty, "While parsing a block collection, did not find expected '-' indicator.");
		}

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

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

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

		private ParsingEvent ParseFlowSequenceEntry(bool isFirst)
		{
			if (isFirst)
			{
				GetCurrentToken();
				Skip();
			}
			Token token = GetCurrentToken();
			if (!(token is FlowSequenceEnd))
			{
				if (!isFirst)
				{
					if (!(token is FlowEntry))
					{
						throw new SemanticErrorException(token?.Start ?? Mark.Empty, token?.End ?? Mark.Empty, "While parsing a flow sequence, did not find expected ',' or ']'.");
					}
					Skip();
					token = GetCurrentToken();
				}
				if (token is Key)
				{
					state = ParserState.FlowSequenceEntryMappingKey;
					MappingStart 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();
			SequenceEnd result2 = new SequenceEnd(token?.Start ?? Mark.Empty, token?.End ?? Mark.Empty);
			Skip();
			return result2;
		}

		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(position);
		}

		private ParsingEvent ParseFlowSequenceEntryMappingValue()
		{
			Token token = GetCurrentToken();
			if (token is Value)
			{
				Skip();
				token = GetCurrentToken();
				if (!(token is FlowEntry) && !(token is FlowSequenceEnd))
				{
					states.Push(ParserState.FlowSequenceEntryMappingEnd);
					return ParseNode(isBlock: false, isIndentlessSequence: false);
				}
			}
			state = ParserState.FlowSequenceEntryMappingEnd;
			return ProcessEmptyScalar(token?.Start ?? Mark.Empty);
		}

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

		private ParsingEvent ParseFlowMappingKey(bool isFirst)
		{
			if (isFirst)
			{
				GetCurrentToken();
				Skip();
			}
			Token token = GetCurrentToken();
			if (!(token is FlowMappingEnd))
			{
				if (!isFirst)
				{
					if (!(token is FlowEntry))
					{
						throw new SemanticErrorException(token?.Start ?? Mark.Empty, token?.End ?? Mark.Empty, "While parsing a flow mapping,  did not find expected ',' or '}'.");
					}
					Skip();
					token = GetCurrentToken();
				}
				if (token is Key)
				{
					Skip();
					token = GetCurrentToken();
					if (!(token is Value) && !(token is FlowEntry) && !(token is FlowMappingEnd))
					{
						states.Push(ParserState.FlowMappingValue);
						return ParseNode(isBlock: false, isIndentlessSequence: false);
					}
					state = ParserState.FlowMappingValue;
					return ProcessEmptyScalar(token?.Start ?? Mark.Empty);
				}
				if (token is YamlDotNet.Core.Tokens.Scalar)
				{
					states.Push(ParserState.FlowMappingValue);
					return ParseNode(isBlock: false, isIndentlessSequence: false);
				}
				if (!(token is FlowMappingEnd))
				{
					states.Push(ParserState.FlowMappingEmptyValue);
					return ParseNode(isBlock: false, isIndentlessSequence: false);
				}
			}
			state = states.Pop();
			Skip();
			return new MappingEnd(token?.Start ?? Mark.Empty, token?.End ?? Mark.Empty);
		}

		private ParsingEvent ParseFlowMappingValue(bool isEmpty)
		{
			Token token = GetCurrentToken();
			if (isEmpty)
			{
				state = ParserState.FlowMappingKey;
				return ProcessEmptyScalar(token?.Start ?? Mark.Empty);
			}
			if (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;
			return ProcessEmptyScalar(token?.Start ?? Mark.Empty);
		}
	}
	internal static class ParserExtensions
	{
		public static T Consume<T>(this IParser parser) where T : ParsingEvent
		{
			T result = parser.Require<T>();
			parser.MoveNext();
			return result;
		}

		public static bool TryConsume<T>(this IParser parser, [MaybeNullWhen(false)] out T @event) where T : ParsingEvent
		{
			if (parser.Accept<T>(out @event))
			{
				parser.MoveNext();
				return true;
			}
			return false;
		}

		public static T Require<T>(this IParser parser) where T : ParsingEvent
		{
			if (!parser.Accept<T>(out var @event))
			{
				ParsingEvent current = parser.Current;
				if (current == null)
				{
					throw new YamlException("Expected '" + typeof(T).Name + "', got nothing.");
				}
				throw new YamlException(current.Start, current.End, $"Expected '{typeof(T).Name}', got '{current.GetType().Name}' (at {current.Start}).");
			}
			return @event;
		}

		public static bool Accept<T>(this IParser parser, [MaybeNullWhen(false)] out T @event) where T : ParsingEvent
		{
			if (parser.Current == null && !parser.MoveNext())
			{
				throw new EndOfStreamException();
			}
			if (parser.Current is T val)
			{
				@event = val;
				return true;
			}
			@event = null;
			return false;
		}

		public static void SkipThisAndNestedEvents(this IParser parser)
		{
			int num = 0;
			do
			{
				ParsingEvent parsingEvent = parser.Consume<ParsingEvent>();
				num += parsingEvent.NestingIncrease;
			}
			while (num > 0);
		}

		[Obsolete("Please use Consume<T>() instead")]
		public static T Expect<T>(this IParser parser) where T : ParsingEvent
		{
			return parser.Consume<T>();
		}

		[Obsolete("Please use TryConsume<T>(out var evt) instead")]
		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")]
		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);
		}
	}
	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
	}
	internal class Scanner : IScanner
	{
		private const int MaxVersionNumberLength = 9;

		private static readonly IDictionary<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<int> indents = new Stack<int>();

		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 int flowSequenceStartLine;

		private int indent = -1;

		private bool simpleKeyAllowed;

		private int flowLevel;

		private int tokensParsed;

		private bool tokenAvailable;

		private Token? previous;

		private Anchor? previousAnchor;

		private static readonly byte[] EmptyBytes = new byte[0];

		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 == 0 && analyzer.Check('-') && analyzer.Check('-', 1) && analyzer.Check('-', 2))
			{
				return analyzer.IsWhiteBreakOrZero(3);
			}
			return false;
		}

		private bool IsDocumentEnd()
		{
			if (!analyzer.EndOfInput && cursor.LineOffset == 0 && 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)
		{
			analyzer = new CharacterAnalyzer<LookAheadBuffer>(new LookAheadBuffer(input, 1024));
			cursor = new Cursor();
			SkipComments = skipComments;
		}

		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 + 1024 < 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)
			{
				FetchStreamEnd();
				return;
			}
			if (cursor.LineOffset == 0 && analyzer.Check('%'))
			{
				FetchDirective();
				return;
			}
			if (IsDocumentStart())
			{
				FetchDocumentIndicator(isStartToken: true);
				return;
			}
			if (IsDocumentEnd())
			{
				FetchDocumentIndicator(isStartToken: false);
				return;
			}
			if (analyzer.Check('['))
			{
				FetchFlowCollectionStart(isSequenceToken: true);
				return;
			}
			if (analyzer.Check('{'))
			{
				FetchFlowCollectionStart(isSequenceToken: false);
				return;
			}
			if (analyzer.Check(']'))
			{
				FetchFlowCollectionEnd(isSequenceToken: true);
				return;
			}
			if (analyzer.Check('}'))
			{
				FetchFlowCollectionEnd(isSequenceToken: false);
				return;
			}
			if (analyzer.Check(','))
			{
				FetchFlowEntry();
				return;
			}
			if (analyzer.Check('-') && analyzer.IsWhiteBreakOrZero(1))
			{
				FetchBlockEntry();
				return;
			}
			if (analyzer.Check('?') && (flowLevel > 0 || analyzer.IsWhiteBreakOrZero(1)))
			{
				FetchKey();
				return;
			}
			if (analyzer.Check(':') && (flowLevel > 0 || analyzer.IsWhiteBreakOrZero(1)) && (!simpleKeyAllowed || flowLevel <= 0))
			{
				FetchValue();
				return;
			}
			if (analyzer.Check('*'))
			{
				FetchAnchor(isAlias: true);
				return;
			}
			if (analyzer.Check('&'))
			{
				FetchAnchor(isAlias: false);
				return;
			}
			if (analyzer.Check('!'))
			{
				FetchTag();
				return;
			}
			if (analyzer.Check('|') && flowLevel == 0)
			{
				FetchBlockScalar(isLiteral: true);
				return;
			}
			if (analyzer.Check('>') && flowLevel == 0)
			{
				FetchBlockScalar(isLiteral: false);
				return;
			}
			if (analyzer.Check('\''))
			{
				FetchFlowScalar(isSingleQuoted: true);
				return;
			}
			if (analyzer.Check('"'))
			{
				FetchFlowScalar(isSingleQuoted: false);
				return;
			}
			if ((!analyzer.IsWhiteBreakOrZero() && !analyzer.Check("-?:,[]{}#&*!|>'\"%@`")) || (analyzer.Check('-') && !analyzer.IsWhite(1)) || (flowLevel == 0 && analyzer.Check("?:") && !analyzer.IsWhiteBreakOrZero(1)) || (simpleKeyAllowed && flowLevel > 0 && analyzer.Check("?:")))
			{
				if (plainScalarFollowedByComment)
				{
					Mark mark = cursor.Mark();
					tokens.Enqueue(new Error("While scanning plain scalar, found a comment between adjacent scalars.", mark, mark));
				}
				plainScalarFollowedByComment = false;
				FetchPlainScalar();
				return;
			}
			if (simpleKeyAllowed && indent >= cursor.LineOffset && analyzer.IsTab())
			{
				throw new SyntaxErrorException("While scanning a mapping, found invalid tab as indentation.");
			}
			if (analyzer.IsWhiteBreakOrZero())
			{
				Skip();
				return;
			}
			Mark start = cursor.Mark();
			Skip();
			Mark end = cursor.Mark();
			throw new SyntaxErrorException(start, end, "While scanning for the next token, found character that cannot start any token.");
		}

		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('#'))
			{
				Mark mark = cursor.Mark();
				Skip();
				while (analyzer.IsSpace())
				{
					Skip();
				}
				StringBuilder stringBuilder = new StringBuilder();
				while (!analyzer.IsBreakOrZero())
				{
					stringBuilder.Append(ReadCurrentCharacter());
				}
				if (!SkipComments)
				{
					bool isInline = previous != null && previous.End.Line == mark.Line && previous.End.Column != 1 && !(previous is YamlDotNet.Core.Tokens.StreamStart);
					tokens.Enqueue(new YamlDotNet.Core.Tokens.Comment(stringBuilder.ToString(), isInline, mark, cursor.Mark()));
				}
			}
		}

		private void FetchStreamStart()
		{
			simpleKeys.Push(new SimpleKey());
			simpleKeyAllowed = true;
			streamStartProduced = true;
			Mark mark = cursor.Mark();
			tokens.Enqueue(new YamlDotNet.Core.Tokens.StreamStart(mark, mark));
		}

		private void UnrollIndent(int column)
		{
			if (flowLevel == 0)
			{
				while (indent > column)
				{
					Mark mark = cursor.Mark();
					tokens.Enqueue(new BlockEnd(mark, mark));
					indent = indents.Pop();
				}
			}
		}

		private void FetchStreamEnd()
		{
			cursor.ForceSkipLineAfterNonBreak();
			UnrollIndent(-1);
			RemoveSimpleKey();
			simpleKeyAllowed = false;
			streamEndProduced = true;
			Mark mark = cursor.Mark();
			tokens.Enqueue(new YamlDotNet.Core.Tokens.StreamEnd(mark, mark));
		}

		private void FetchDirective()
		{
			UnrollIndent(-1);
			RemoveSimpleKey();
			simpleKeyAllowed = false;
			Token token = ScanDirective();
			if (token != null)
			{
				tokens.Enqueue(token);
			}
		}

		private Token? ScanDirective()
		{
			Mark start = cursor.Mark();
			Skip();
			string text = ScanDirectiveName(start);
			Token result;
			if (!(text == "YAML"))
			{
				if (!(text == "TAG"))
				{
					while (!analyzer.Check('#') && !analyzer.IsBreak())
					{
						Skip();
					}
					return null;
				}
				result = ScanTagDirectiveValue(start);
			}
			else
			{
				if (!(previous is YamlDotNet.Core.Tokens.DocumentStart) && !(previous is YamlDotNet.Core.Tokens.StreamStart) && !(previous is YamlDotNet.Core.Tokens.DocumentEnd))
				{
					throw new SemanticErrorException(start, cursor.Mark(), "While scanning a version directive, did not find preceding <document end>.");
				}
				result = ScanVersionDirectiveValue(start);
			}
			while (analyzer.IsWhite())
			{
				Skip();
			}
			ProcessComment();
			if (!analyzer.IsBreakOrZero())
			{
				throw new SyntaxErrorException(start, cursor.Mark(), "While scanning a directive, did not find expected comment or line break.");
			}
			if (analyzer.IsBreak())
			{
				SkipLine();
			}
			return result;
		}

		private void FetchDocumentIndicator(bool isStartToken)
		{
			UnrollIndent(-1);
			RemoveSimpleKey();
			simpleKeyAllowed = false;
			Mark mark = cursor.Mark();
			Skip();
			Skip();
			Skip();
			if (isStartToken)
			{
				tokens.Enqueue(new YamlDotNet.Core.Tokens.DocumentStart(mark, cursor.Mark()));
				return;
			}
			Token token = null;
			while (!analyzer.EndOfInput && !analyzer.IsBreak() && !analyzer.Check('#'))
			{
				if (!analyzer.IsWhite())
				{
					token = new Error("While scanning a document end, found invalid content after '...' marker.", mark, cursor.Mark());
					break;
				}
				Skip();
			}
			tokens.Enqueue(new YamlDotNet.Core.Tokens.DocumentEnd(mark, mark));
			if (token != null)
			{
				tokens.Enqueue(token);
			}
		}

		private void FetchFlowCollectionStart(bool isSequenceToken)
		{
			SaveSimpleKey();
			IncreaseFlowLevel();
			simpleKeyAllowed = true;
			Mark mark = cursor.Mark();
			Skip();
			Token token;
			if (isSequenceToken)
			{
				token = new FlowSequenceStart(mark, mark);
				flowSequenceStartLine = token.Start.Line;
			}
			else
			{
				token = new FlowMappingStart(mark, mark);
			}
			tokens.Enqueue(token);
		}

		private void IncreaseFlowLevel()
		{
			simpleKeys.Push(new SimpleKey());
			flowLevel++;
		}

		private void FetchFlowCollectionEnd(bool isSequenceToken)
		{
			RemoveSimpleKey();
			DecreaseFlowLevel();
			simpleKeyAllowed = false;
			Mark mark = 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 ']'.", mark, mark);
				}
				if (previous is YamlDotNet.Core.Tokens.StreamStart && flowSequenceStartLine != mark.Line)
				{
					tokens.Enqueue(new Error("While scanning a flow sequence end, found mapping key spanning across multiple lines.", mark, mark));
				}
				item = new FlowSequenceEnd(mark, mark);
			}
			else
			{
				item = new FlowMappingEnd(mark, mark);
			}
			tokens.Enqueue(item);
			if (token != null)
			{
				tokens.Enqueue(token);
			}
		}

		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(start, end));
			}
		}

		private void FetchBlockEntry()
		{
			if (flowLevel == 0)
			{
				if (!simpleKeyAllowed)
				{
					if (previousAnchor != null && previousAnchor.End.Line == cursor.Line)
					{
						throw new SemanticErrorException(previousAnchor.Start, previousAnchor.End, "Anchor before sequence entry on same line is not allowed.");
					}
					Mark mark = cursor.Mark();
					tokens.Enqueue(new Error("Block sequence entries are not allowed in this context.", mark, mark));
				}
				RollIndent(cursor.LineOffset, -1, isSequence: true, cursor.Mark());
			}
			RemoveSimpleKey();
			simpleKeyAllowed = true;
			Mark start = cursor.Mark();
			Skip();
			tokens.Enqueue(new BlockEntry(start, cursor.Mark()));
		}

		private void FetchKey()
		{
			if (flowLevel == 0)
			{
				if (!simpleKeyAllowed)
				{
					Mark mark = cursor.Mark();
					throw new SyntaxErrorException(mark, mark, "Mapping keys are not allowed in this context.");
				}
				RollIndent(cursor.LineOffset, -1, isSequence: false, cursor.Mark());
			}
			RemoveSimpleKey();
			simpleKeyAllowed = flowLevel == 0;
			Mark start = cursor.Mark();
			Skip();
			tokens.Enqueue(new Key(start, cursor.Mark()));
		}

		private void FetchValue()
		{
			SimpleKey simpleKey = simpleKeys.Peek();
			if (simpleKey.IsPossible)
			{
				tokens.Insert(simpleKey.TokenNumber - tokensParsed, new Key(simpleKey.Mark, simpleKey.Mark));
				RollIndent(simpleKey.LineOffset, simpleKey.TokenNumber, isSequence: false, simpleKey.Mark);
				simpleKey.MarkAsImpossible();
				simpleKeyAllowed = false;
			}
			else
			{
				bool flag = flowLevel == 0;
				if (flag)
				{
					if (!simpleKeyAllowed)
					{
						Mark mark = cursor.Mark();
						tokens.Enqueue(new Error("Mapping values are not allowed in this context.", mark, mark));
						return;
					}
					RollIndent(cursor.LineOffset, -1, isSequence: false, cursor.Mark());
					if (cursor.LineOffset == 0 && simpleKey.LineOffset == 0)
					{
						tokens.Insert(tokens.Count, new Key(simpleKey.Mark, simpleKey.Mark));
						flag = false;
					}
				}
				simpleKeyAllowed = flag;
			}
			Mark start = cursor.Mark();
			Skip();
			tokens.Enqueue(new Value(start, cursor.Mark()));
		}

		private void RollIndent(int column, int number, bool isSequence, Mark position)
		{
			if (flowLevel <= 0 && indent < column)
			{
				indents.Push(indent);
				indent = column;
				Token item = ((!isSequence) ? ((Token)new BlockMappingStart(position, position)) : ((Token)new BlockSequenceStart(position, 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;
			}
			StringBuilder stringBuilder = new StringBuilder();
			while (!analyzer.IsWhiteBreakOrZero() && !analyzer.Check("[]{},") && (!flag || !analyzer.Check(':') || !analyzer.IsWhiteBreakOrZero(1)))
			{
				stringBuilder.Append(ReadCurrentCharacter());
			}
			if (stringBuilder.Length == 0 || (!analyzer.IsWhiteBreakOrZero() && !analyzer.Check("?:,]}%@`")))
			{
				throw new SyntaxErrorException(start, cursor.Mark(), "While scanning an anchor or alias, found value containing disallowed: []{},");
			}
			AnchorName value = new AnchorName(stringBuilder.ToString());
			if (isAlias)
			{
				return new YamlDotNet.Core.Tokens.AnchorAlias(value, start, cursor.Mark());
			}
			return previousAnchor = new Anchor(value, start, cursor.Mark());
		}

		private void FetchTag()
		{
			SaveSimpleKey();
			simpleKeyAllowed = false;
			tokens.Enqueue(ScanTag());
		}

		private Token ScanTag()
		{
			Mark start = cursor.Mark();
			string text;
			string text2;
			if (analyzer.Check('<', 1))
			{
				text = string.Empty;
				Skip();
				Skip();
				text2 = ScanTagUri(null, start);
				if (!analyzer.Check('>'))
				{
					throw new SyntaxErrorException(start, cursor.Mark(), "While scanning a tag, did not find the expected '>'.");
				}
				Skip();
			}
			else
			{
				string text3 = ScanTagHandle(isDirective: false, start);
				if (text3.Length > 1 && text3[0] == '!' && text3[text3.Length - 1] == '!')
				{
					text = text3;
					text2 = ScanTagUri(null, start);
				}
				else
				{
					text2 = ScanTagUri(text3, start);
					text = "!";
					if (text2.Length == 0)
					{
						text2 = text;
						text = string.Empty;
					}
				}
			}
			if (!analyzer.IsWhiteBreakOrZero() && !analyzer.Check(','))
			{
				throw new SyntaxErrorException(start, cursor.Mark(), "While scanning a tag, did not find expected whitespace, comma or line break.");
			}
			return new Tag(text, text2, start, cursor.Mark());
		}

		private void FetchBlockScalar(bool isLiteral)
		{
			RemoveSimpleKey();
			simpleKeyAllowed = true;
			tokens.Enqueue(ScanBlockScalar(isLiteral));
		}

		private Token ScanBlockScalar(bool isLiteral)
		{
			StringBuilder stringBuilder = new StringBuilder();
			StringBuilder stringBuilder2 = new StringBuilder();
			StringBuilder stringBuilder3 = new StringBuilder();
			int num = 0;
			int num2 = 0;
			int currentIndent = 0;
			bool flag = false;
			bool? isFirstLine = null;
			Mark start = cursor.Mark();
			Skip();
			if (analyzer.Check("+-"))
			{
				num = (analyzer.Check('+') ? 1 : (-1));
				Skip();
				if (analyzer.IsDigit())
				{
					if (analyzer.Check('0'))
					{
						throw new SyntaxErrorException(start, cursor.Mark(), "While scanning a block scalar, found an indentation indicator equal to 0.");
					}
					num2 = analyzer.AsDigit();
					Skip();
				}
			}
			else if (analyzer.IsDigit())
			{
				if (analyzer.Check('0'))
				{
					throw new SyntaxErrorException(start, cursor.Mark(), "While scanning a block scalar, found an indentation indicator equal to 0.");
				}
				num2 = analyzer.AsDigit();
				Skip();
				if (analyzer.Check("+-"))
				{
					num = (analyzer.Check('+') ? 1 : (-1));
					Skip();
				}
			}
			if (analyzer.Check('#'))
			{
				throw new SyntaxErrorException(start, cursor.Mark(), "While scanning a block scalar, found a comment without whtespace after '>' indicator.");
			}
			while (analyzer.IsWhite())
			{
				Skip();
			}
			ProcessComment();
			if (!analyzer.IsBreakOrZero())
			{
				throw new SyntaxErrorException(start, cursor.Mark(), "While scanning a block scalar, did not find expected comment or line break.");
			}
			if (analyzer.IsBreak())
			{
				SkipLine();
				if (!isFirstLine.HasValue)
				{
					isFirstLine = true;
				}
				else if (isFirstLine == true)
				{
					isFirstLine = false;
				}
			}
			Mark end = cursor.Mark();
			if (num2 != 0)
			{
				currentIndent = ((indent >= 0) ? (indent + num2) : num2);
			}
			currentIndent = ScanBlockScalarBreaks(currentIndent, stringBuilder3, isLiteral, ref end, ref isFirstLine);
			isFirstLine = false;
			while (cursor.LineOffset == currentIndent && !analyzer.IsZero() && !IsDocumentEnd())
			{
				bool flag2 = analyzer.IsWhite();
				if (!isLiteral && StartsWith(stringBuilder2, '\n') && !flag && !flag2)
				{
					if (stringBuilder3.Length == 0)
					{
						stringBuilder.Append(' ');
					}
					stringBuilder2.Length = 0;
				}
				else
				{
					stringBuilder.Append(stringBuilder2.ToString());
					stringBuilder2.Length = 0;
				}
				stringBuilder.Append(stringBuilder3.ToString());
				stringBuilder3.Length = 0;
				flag = analyzer.IsWhite();
				while (!analyzer.IsBreakOrZero())
				{
					stringBuilder.Append(ReadCurrentCharacter());
				}
				char c = ReadLine();
				if (c != 0)
				{
					stringBuilder2.Append(c);
				}
				currentIndent = ScanBlockScalarBreaks(currentIndent, stringBuilder3, isLiteral, ref end, ref isFirstLine);
			}
			if (num != -1)
			{
				stringBuilder.Append((object?)stringBuilder2);
			}
			if (num == 1)
			{
				stringBuilder.Append((object?)stringBuilder3);
			}
			ScalarStyle style = (isLiteral ? ScalarStyle.Literal : ScalarStyle.Folded);
			return new YamlDotNet.Core.Tokens.Scalar(stringBuilder.ToString(), style, start, end);
		}

		private int ScanBlockScalarBreaks(int currentIndent, StringBuilder breaks, bool isLiteral, ref Mark end, ref bool? isFirstLine)
		{
			int num = 0;
			int num2 = -1;
			end = cursor.Mark();
			while (true)
			{
				if ((currentIndent == 0 || cursor.LineOffset < currentIndent) && analyzer.IsSpace())
				{
					Skip();
					continue;
				}
				if (cursor.LineOffset > num)
				{
					num = cursor.LineOffset;
				}
				if (!analyzer.IsBreak())
				{
					break;
				}
				if (isFirstLine == true)
				{
					isFirstLine = false;
					num2 = cursor.LineOffset;
				}
				breaks.Append(ReadLine());
				end = cursor.Mark();
			}
			if (isLiteral && isFirstLine == true)
			{
				int num3 = cursor.LineOffset;
				int num4 = 0;
				while (!analyzer.IsBreak(num4) && analyzer.IsSpace(num4))
				{
					num4++;
					num3++;
				}
				if (analyzer.IsBreak(num4) && num3 > cursor.LineOffset)
				{
					isFirstLine = false;
					num2 = num3;
				}
			}
			if (isLiteral && num2 > 1 && currentIndent < num2 - 1)
			{
				throw new SemanticErrorException(end, cursor.Mark(), "While scanning a literal block scalar, found extra spaces in first line.");
			}
			if (!isLiteral && num > cursor.LineOffset && num2 > -1)
			{
				throw new SemanticErrorException(end, cursor.Mark(), "While scanning a literal block scalar, found more spaces in lines above first content line.");
			}
			if (currentIndent == 0 && (cursor.LineOffset > 0 || indent > -1))
			{
				currentIndent = Math.Max(num, Math.Max(indent + 1, 1));
			}
			return currentIndent;
		}

		private void FetchFlowScalar(bool isSingleQuoted)
		{
			SaveSimpleKey();
			simpleKeyAllowed = false;
			tokens.Enqueue(ScanFlowScalar(isSingleQuoted));
			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 Token ScanFlowScalar(bool isSingleQuoted)
		{
			Mark start = cursor.Mark();
			Skip();
			StringBuilder stringBuilder = new StringBuilder();
			StringBuilder stringBuilder2 = new StringBuilder();
			StringBuilder stringBuilder3 = new StringBuilder();
			StringBuilder stringBuilder4 = new StringBuilder();
			bool flag = false;
			while (true)
			{
				if (IsDocumentIndicator())
				{
					throw new SyntaxErrorException(start, cursor.Mark(), "While scanning a quoted scalar, found unexpected document indicator.");
				}
				if (analyzer.IsZero())
				{
					throw new SyntaxErrorException(start, cursor.Mark(), "While scanning a quoted scalar, found unexpected end of stream.");
				}
				if (flag && !isSingleQuoted && indent >= cursor.LineOffset)
				{
					throw new SyntaxErrorException(start, cursor.Mark(), "While scanning a multi-line double-quoted scalar, found wrong indentation.");
				}
				flag = false;
				while (!analyzer.IsWhiteBreakOrZero())
				{
					if (isSingleQuoted && analyzer.Check('\'') && analyzer.Check('\'', 1))
					{
						stringBuilder.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))
							{
								stringBuilder.Append(value);
								break;
							}
							throw new SyntaxErrorException(start, cursor.Mark(), "While scanning a quoted scalar, found unknown escape character.");
						}
						}
						Skip();
						Skip();
						if (num <= 0)
						{
							continue;
						}
						int num2 = 0;
						for (int i = 0; i < num; i++)
						{
							if (!analyzer.IsHex(i))
							{
								throw new SyntaxErrorException(start, cursor.Mark(), "While scanning a quoted scalar, did not find expected hexadecimal number.");
							}
							num2 = (num2 << 4) + analyzer.AsHex(i);
						}
						if ((num2 >= 55296 && num2 <= 57343) || num2 > 1114111)
						{
							throw new SyntaxErrorException(start, cursor.Mark(), "While scanning a quoted scalar, found invalid Unicode character escape code.");
						}
						stringBuilder.Append(char.ConvertFromUtf32(num2));
						for (int j = 0; j < num; j++)
						{
							Skip();
						}
					}
					else
					{
						stringBuilder.Append(ReadCurrentCharacter());
					}
				}
				if (analyzer.Check(isSingleQuoted ? '\'' : '"'))
				{
					break;
				}
				while (analyzer.IsWhite() || analyzer.IsBreak())
				{
					if (analyzer.IsWhite())
					{
						if (!flag)
						{
							stringBuilder2.Append(ReadCurrentCharacter());
						}
						else
						{
							Skip();
						}
					}
					else if (!flag)
					{
						stringBuilder2.Length = 0;
						stringBuilder3.Append(ReadLine());
						flag = true;
					}
					else
					{
						stringBuilder4.Append(ReadLine());
					}
				}
				if (flag)
				{
					if (StartsWith(stringBuilder3, '\n'))
					{
						if (stringBuilder4.Length == 0)
						{
							stringBuilder.Append(' ');
						}
						else
						{
							stringBuilder.Append(stringBuilder4.ToString());
						}
					}
					else
					{
						stringBuilder.Append(stringBuilder3.ToString());
						stringBuilder.Append(stringBuilder4.ToString());
					}
					stringBuilder3.Length = 0;
					stringBuilder4.Length = 0;
				}
				else
				{
					stringBuilder.Append(stringBuilder2.ToString());
					stringBuilder2.Length = 0;
				}
			}
			Skip();
			return new YamlDotNet.Core.Tokens.Scalar(stringBuilder.ToString(), isSingleQuoted ? ScalarStyle.SingleQuoted : ScalarStyle.DoubleQuoted, start, cursor.Mark());
		}

		private void FetchPlainScalar()
		{
			SaveSimpleKey();
			simpleKeyAllowed = false;
			bool isMultiline = false;
			YamlDotNet.Core.Tokens.Scalar item = 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)
		{
			StringBuilder stringBuilder = new StringBuilder();
			StringBuilder stringBuilder2 = new StringBuilder();
			StringBuilder stringBuilder3 = new StringBuilder();
			StringBuilder stringBuilder4 = new StringBuilder();
			bool flag = false;
			int num = indent + 1;
			Mark mark = cursor.Mark();
			Mark end = mark;
			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 || stringBuilder2.Length > 0)
					{
						if (flag)
						{
							if (StartsWith(stringBuilder3, '\n'))
							{
								if (stringBuilder4.Length == 0)
								{
									stringBuilder.Append(' ');
								}
								else
								{
									stringBuilder.Append((object?)stringBuilder4);
								}
							}
							else
							{
								stringBuilder.Append((object?)stringBuilder3);
								stringBuilder.Append((object?)stringBuilder4);
							}
							stringBuilder3.Length = 0;
							stringBuilder4.Length = 0;
							flag = false;
						}
						else
						{
							stringBuilder.Append((object?)stringBuilder2);
							stringBuilder2.Length = 0;
						}
					}
					if (flowLevel > 0 && cursor.LineOffset < num)
					{
						throw new Exception();
					}
					stringBuilder.Append(ReadCurrentCharacter());
					end = cursor.Mark();
				}
				if (!analyzer.IsWhite() && !analyzer.IsBreak())
				{
					break;
				}
				while (analyzer.IsWhite() || analyzer.IsBreak())
				{
					if (analyzer.IsWhite())
					{
						if (flag && cursor.LineOffset < num && analyzer.IsTab())
						{
							throw new SyntaxErrorException(mark, cursor.Mark(), "While scanning a plain scalar, found a tab character that violate indentation.");
						}
						if (!flag)
						{
							stringBuilder2.Append(ReadCurrentCharacter());
						}
						else
						{
							Skip();
						}
					}
					else
					{
						isMultiline = true;
						if (!flag)
						{
							stringBuilder2.Length = 0;
							stringBuilder3.Append(ReadLine());
							flag = true;
						}
						else
						{
							stringBuilder4.Append(ReadLine());
						}
					}
				}
				if (flowLevel == 0 && cursor.LineOffset < num)
				{
					break;
				}
			}
			if (flag)
			{
				simpleKeyAllowed = true;
			}
			return new YamlDotNet.Core.Tokens.Scalar(stringBuilder.ToString(), ScalarStyle.Plain, mark, end);
		}

		private void RemoveSimpleKey()
		{
			SimpleKey simpleKey = simpleKeys.Peek();
			if (simpleKey.IsPossible && simpleKey.IsRequired)
			{
				throw new SyntaxErrorException(simpleKey.Mark, simpleKey.Mark, "While scanning a simple key, could not find expected ':'.");
			}
			simpleKey.MarkAsImpossible();
		}

		private string ScanDirectiveName(Mark start)
		{
			StringBuilder stringBuilder = new StringBuilder();
			while (analyzer.IsAlphaNumericDashOrUnderscore())
			{
				stringBuilder.Append(ReadCurrentCharacter());
			}
			if (stringBuilder.Length == 0)
			{
				throw new SyntaxErrorException(start, cursor.Mark(), "While scanning a directive, could not find expected directive name.");
			}
			if (!analyzer.IsWhiteBreakOrZero())
			{
				throw new SyntaxErrorException(start, cursor.Mark(), "While scanning a directive, found unexpected non-alphabetical character.");
			}
			return stringBuilder.ToString();
		}

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

		private Token ScanVersionDirectiveValue(Mark start)
		{
			SkipWhitespaces();
			int major = ScanVersionDirectiveNumber(start);
			if (!analyzer.Check('.'))
			{
				throw new SyntaxErrorException(start, cursor.Mark(), "While scanning a %YAML directive, did not find expected digit or '.' character.");
			}
			Skip();
			int minor = ScanVersionDirectiveNumber(start);
			return new VersionDirective(new Version(major, minor), start, start);
		}

		private Token ScanTagDirectiveValue(Mark start)
		{
			SkipWhitespaces();
			string handle = ScanTagHandle(isDirective: true, start);
			if (!analyzer.IsWhite())
			{
				throw new SyntaxErrorException(start, cursor.Mark(), "While scanning a %TAG directive, did not find expected whitespace.");
			}
			SkipWhitespaces();
			string prefix = ScanTagUri(null, start);
			if (!analyzer.IsWhiteBreakOrZero())
			{
				throw new SyntaxErrorException(start, cursor.Mark(), "While scanning a %TAG directive, did not find expected whitespace or line break.");
			}
			return new TagDirective(handle, prefix, start, start);
		}

		private string ScanTagUri(string? head, Mark start)
		{
			StringBuilder stringBuilder = new StringBuilder();
			if (head != null && head.Length > 1)
			{
				stringBuilder.Append(head.Substring(1));
			}
			while (analyzer.IsAlphaNumericDashOrUnderscore() || analyzer.Check(";/?:@&=+$.!~*'()[]%") || (analyzer.Check(',') && !analyzer.IsBreak(1)))
			{
				if (analyzer.Check('%'))
				{
					stringBuilder.Append(ScanUriEscapes(start));
				}
				else if (analyzer.Check('+'))
				{
					stringBuilder.Append(' ');
					Skip();
				}
				else
				{
					stringBuilder.Append(ReadCurrentCharacter());
				}
			}
			if (stringBuilder.Length == 0)
			{
				return string.Empty;
			}
			return stringBuilder.ToString();
		}

		private string ScanUriEscapes(Mark start)
		{
			byte[] array = EmptyBytes;
			int count = 0;
			int num = 0;
			do
			{
				if (!analyzer.Check('%') || !analyzer.IsHex(1) || !analyzer.IsHex(2))
				{
					throw new SyntaxErrorException(start, cursor.Mark(), "While scanning a tag, did not find URI escaped octet.");
				}
				int num2 = (analyzer.AsHex(1) << 4) + analyzer.AsHex(2);
				if (num == 0)
				{
					num = (((num2 & 0x80) == 0) ? 1 : (((num2 & 0xE0) == 192) ? 2 : (((num2 & 0xF0) == 224) ? 3 : (((num2 & 0xF8) == 240) ? 4 : 0))));
					if (num == 0)
					{
						throw new SyntaxErrorException(start, cursor.Mark(), "While scanning a tag, found an incorrect leading UTF-8 octet.");
					}
					array = new byte[num];
				}
				else if ((num2 & 0xC0) != 128)
				{
					throw new SyntaxErrorException(start, cursor.Mark(), "While scanning a tag, found an incorrect trailing UTF-8 octet.");
				}
				array[count++] = (byte)num2;
				Skip();
				Skip();
				Skip();
			}
			while (--num > 0);
			string @string = Encoding.UTF8.GetString(array, 0, count);
			if (@string.Length == 0 || @string.Length > 2)
			{
				throw new SyntaxErrorException(start, cursor.Mark(), "While scanning a tag, found an incorrect UTF-8 sequence.");
			}
			return @string;
		}

		private string ScanTagHandle(bool isDirective, Mark start)
		{
			if (!analyzer.Check('!'))
			{
				throw new SyntaxErrorException(start, cursor.Mark(), "While scanning a tag, did not find expected '!'.");
			}
			StringBuilder stringBuilder = new StringBuilder();
			stringBuilder.Append(ReadCurrentCharacter());
			while (analyzer.IsAlphaNumericDashOrUnderscore())
			{
				stringBuilder.Append(ReadCurrentCharacter());
			}
			if (analyzer.Check('!'))
			{
				stringBuilder.Append(ReadCurrentCharacter());
			}
			else if (isDirective && (stringBuilder.Length != 1 || stringBuilder[0] != '!'))
			{
				throw new SyntaxErrorException(start, cursor.Mark(), "While scanning a tag directive, did not find expected '!'.");
			}
			return stringBuilder.ToString();
		}

		private int ScanVersionDirectiveNumber(Mark start)
		{
			int num = 0;
			int num2 = 0;
			while (analyzer.IsDigit())
			{
				if (++num2 > 9)
				{
					throw new SyntaxErrorException(start, cursor.Mark(), "While scanning a %YAML directive, found extremely long version number.");
				}
				num = num * 10 + analyzer.AsDigit();
				Skip();
			}
			if (num2 == 0)
			{
				throw new SyntaxErrorException(start, cursor.Mark(), "While scanning a %YAML directive, did not find expected version number.");
			}
			return num;
		}

		private void SaveSimpleKey()
		{
			bool isRequired = flowLevel == 0 && indent == cursor.LineOffset;
			if (simpleKeyAllowed)
			{
				SimpleKey item = new SimpleKey(isRequired, tokensParsed + tokens.Count, cursor);
				RemoveSimpleKey();
				simpleKeys.Pop();
				simpleKeys.Push(item);
			}
		}
	}
	internal class SemanticErrorException : YamlException
	{
		public SemanticErrorException(string message)
			: base(message)
		{
		}

		public SemanticErrorException(Mark start, Mark end, string message)
			: base(start, 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 int Index => cursor.Index;

		public int Line => cursor.Line;

		public int 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
	{
		private readonly string value;

		public int Position { get; private set; }

		public int Length => value.Length;

		public bool EndOfInput => IsOutside(Position);

		public StringLookAheadBuffer(string value)
		{
			this.value = value;
		}

		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;
		}
	}
	internal sealed class SyntaxErrorException : YamlException
	{
		public SyntaxErrorException(string message)
			: base(message)
		{
		}

		public SyntaxErrorException(Mark start, Mark end, string message)
			: base(start, 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 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(Mark.Empty, Mark.Empty, message)
		{
		}

		public YamlException(Mark start, Mark end, string message)
			: this(start, end, message, null)
		{
		}

		public YamlException(Mark start, Mark end, string message, Exception? innerException)
			: base($"({start}) - ({end}): {message}", innerException)
		{
			Start = start;
			End = end;
		}

		public YamlException(string message, Exception inner)
			: this(Mark.Empty, Mark.Empty, message, inner)
		{
		}
	}
}
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(start, 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(start, end)
		{
			if (value.IsEmpty)
			{
				throw new ArgumentNullException("value");
			}
			Value = value;
		}
	}
	internal sealed class BlockEnd : Token
	{
		public BlockEnd()
			: this(Mark.Empty, Mark.Empty)
		{
		}

		public BlockEnd(Mark start, Mark end)
			: base(start, end)
		{
		}
	}
	internal sealed class BlockEntry : Token
	{
		public BlockEntry()
			: this(Mark.Empty, Mark.Empty)
		{
		}

		public BlockEntry(Mark start, Mark end)
			: base(start, end)
		{
		}
	}
	internal sealed class BlockMappingStart : Token
	{
		public BlockMappingStart()
			: this(Mark.Empty, Mark.Empty)
		{
		}

		public BlockMappingStart(Mark start, Mark end)
			: base(start, end)
		{
		}
	}
	internal sealed class BlockSequenceStart : Token
	{
		public BlockSequenceStart()
			: this(Mark.Empty, Mark.Empty)
		{
		}

		public BlockSequenceStart(Mark start, Mark end)
			: base(start, 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(start, end)
		{
			Value = value ?? throw new ArgumentNullException("value");
			IsInline = isInline;
		}
	}
	internal sealed class DocumentEnd : Token
	{
		public DocumentEnd()
			: this(Mark.Empty, Mark.Empty)
		{
		}

		public DocumentEnd(Mark start, Mark end)
			: base(start, end)
		{
		}
	}
	internal sealed class DocumentStart : Token
	{
		public DocumentStart()
			: this(Mark.Empty, Mark.Empty)
		{
		}

		public DocumentStart(Mark start, Mark end)
			: base(start, end)
		{
		}
	}
	internal class Error : Token
	{
		internal string Value { get; }

		internal Error(string value, Mark start, Mark end)
			: base(start, end)
		{
			Value = value;
		}
	}
	internal sealed class FlowEntry : Token
	{
		public FlowEntry()
			: this(Mark.Empty, Mark.Empty)
		{
		}

		public FlowEntry(Mark start, Mark end)
			: base(start, end)
		{
		}
	}
	internal sealed class FlowMappingEnd : Token
	{
		public FlowMappingEnd()
			: this(Mark.Empty, Mark.Empty)
		{
		}

		public FlowMappingEnd(Mark start, Mark end)
			: base(start, end)
		{
		}
	}
	internal sealed class FlowMappingStart : Token
	{
		public FlowMappingStart()
			: this(Mark.Empty, Mark.Empty)
		{
		}

		public FlowMappingStart(Mark start, Mark end)
			: base(start, end)
		{
		}
	}
	internal sealed class FlowSequenceEnd : Token
	{
		public FlowSequenceEnd()
			: this(Mark.Empty, Mark.Empty)
		{
		}

		public FlowSequenceEnd(Mark start, Mark end)
			: base(start, end)
		{
		}
	}
	internal sealed class FlowSequenceStart : Token
	{
		public FlowSequenceStart()
			: this(Mark.Empty, Mark.Empty)
		{
		}

		public FlowSequenceStart(Mark start, Mark end)
			: base(start, end)
		{
		}
	}
	internal sealed class Key : Token
	{
		public Key()
			: this(Mark.Empty, Mark.Empty)
		{
		}

		public Key(Mark start, Mark end)
			: base(start, end)
		{
		}
	}
	internal sealed class Scalar : Token
	{
		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(start, end)
		{
			Value = value ?? throw new ArgumentNullException("value");
			Style = style;
		}
	}
	internal sealed class StreamEnd : Token
	{
		public StreamEnd()
			: this(Mark.Empty, Mark.Empty)
		{
		}

		public StreamEnd(Mark start, Mark end)
			: base(start, end)
		{
		}
	}
	internal sealed class StreamStart : Token
	{
		public StreamStart()
			: this(Mark.Empty, Mark.Empty)
		{
		}

		public StreamStart(Mark start, Mark end)
			: base(start, 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(start, 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(start, 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(Mark start, Mark end)
		{
			Start = start ?? throw new ArgumentNullException("start");
			End = end ?? throw new ArgumentNullException("end");
		}
	}
	internal sealed class Value : Token
	{
		public Value()
			: this(Mark.Empty, Mark.Empty)
		{
		}

		public Value(Mark start, Mark end)
			: base(start, 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(start, 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.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(start, end)
		{
			if (value.IsEmpty)
			{
				throw new YamlException(start, 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(start, 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(start, 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(start, 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(Mark start, 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(Mark start, Mark end)
			: base(start, end)
		{
		}

		public MappingEnd()
			: this(Mark.Empty, 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(start, 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(Mark start, Mark end)
		{
			Start = start ?? throw new ArgumentNullException("start");
			End = end ?? throw new ArgumentNullException("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 Scalar(AnchorName anchor, TagName tag, string value, ScalarStyle style, bool isPlainImplicit, bool isQuotedImplicit, Mark start, Mark end)
			: base(anchor, tag, start, end)
		{
			Value = value;
			Style = style;
			IsPlainImplicit = isPlainImplicit;
			IsQuotedImplicit = isQuotedImplicit;
		}

		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(Mark start, Mark end)
			: base(start, end)
		{
		}

		public SequenceEnd()
			: this(Mark.Empty, 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(Mark start, Mark end)
			: base(start, end)
		{
		}

		public StreamEnd()
			: this(Mark.Empty, 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(Mark.Empty, Mark.Empty)
		{
		}

		public StreamStart(Mark start, Mark end)
			: base(start, end)
		{
		}

		public override string ToString()
		{
			return "Stream start";
		}

		public override void Accept(IParsingEventVisitor visitor)
		{
			visitor.Visit(this);
		}
	}
}