using System;
using System.Collections;
using System.Text;
using Cpp2IlInjected;

namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Collections
{
	// Token: 0x02001A36 RID: 6710
	[Token(Token = "0x2001A36")]
	public abstract class CollectionUtilities
	{
		// Token: 0x06009DB7 RID: 40375 RVA: 0x00207C98 File Offset: 0x00205E98
		[Token(Token = "0x6009DB7")]
		[Address(RVA = "0x4E0800", Offset = "0x4DF800", VA = "0x1804E0800")]
		public static void AddRange(IList to, IEnumerable range)
		{
			int num;
			do
			{
				num = 0;
				num += num;
				num++;
				uint num2;
				if (num < (int)num2)
				{
					num += num;
					num++;
				}
				num += num;
				num++;
				num += 19;
				num += num;
				num += 2;
				num += 19;
				if (num != 0)
				{
				}
			}
			while (num != 0);
		}

		// Token: 0x06009DB8 RID: 40376 RVA: 0x00207CEC File Offset: 0x00205EEC
		[Token(Token = "0x6009DB8")]
		[Address(RVA = "0x4E0A00", Offset = "0x4DFA00", VA = "0x1804E0A00")]
		public static bool CheckElementsAreOfType(IEnumerable e, Type t)
		{
			int num;
			do
			{
				num = 0;
				bool flag;
				while (flag)
				{
				}
				if (flag)
				{
				}
			}
			while (num != 0);
			if (num != -1)
			{
			}
			return true;
		}

		// Token: 0x06009DB9 RID: 40377 RVA: 0x00207D20 File Offset: 0x00205F20
		[Token(Token = "0x6009DB9")]
		[Address(RVA = "0x4E0B90", Offset = "0x4DFB90", VA = "0x1804E0B90")]
		public static IDictionary ReadOnly(IDictionary d)
		{
			/*
An exception occurred when decompiling this method (06009DB9)

ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Collections.IDictionary BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Collections.CollectionUtilities::ReadOnly(System.Collections.IDictionary)

 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
	Block_0:
	stfld:IDictionary(UnmodifiableDictionaryProxy::d, ldloc:UnmodifiableDictionaryProxy(var_0), ldloc:IDictionary(d))
}

   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1852
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.Optimize(DecompilerContext context, ILBlock method, AutoPropertyProvider autoPropertyProvider, StateMachineKind& stateMachineKind, MethodDef& inlinedMethod, AsyncMethodDebugInfo& asyncInfo, ILAstOptimizationStep abortBeforeStep) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 355
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(IEnumerable`1 parameters, MethodDebugInfoBuilder& builder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 123
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 88
   --- End of inner exception stack trace ---
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 92
   at ICSharpCode.Decompiler.Ast.AstBuilder.AddMethodBody(EntityDeclaration methodNode, EntityDeclaration& updatedNode, MethodDef method, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, MethodKind methodKind) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstBuilder.cs:line 1663
*/;
		}

		// Token: 0x06009DBA RID: 40378 RVA: 0x00207D34 File Offset: 0x00205F34
		[Token(Token = "0x6009DBA")]
		[Address(RVA = "0x4E0C50", Offset = "0x4DFC50", VA = "0x1804E0C50")]
		public static IList ReadOnly(IList l)
		{
			/*
An exception occurred when decompiling this method (06009DBA)

ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Collections.IList BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Collections.CollectionUtilities::ReadOnly(System.Collections.IList)

 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
	Block_0:
	stfld:IList(UnmodifiableListProxy::l, ldloc:UnmodifiableListProxy(var_0), ldloc:IList(l))
}

   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1852
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.Optimize(DecompilerContext context, ILBlock method, AutoPropertyProvider autoPropertyProvider, StateMachineKind& stateMachineKind, MethodDef& inlinedMethod, AsyncMethodDebugInfo& asyncInfo, ILAstOptimizationStep abortBeforeStep) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 355
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(IEnumerable`1 parameters, MethodDebugInfoBuilder& builder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 123
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 88
   --- End of inner exception stack trace ---
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 92
   at ICSharpCode.Decompiler.Ast.AstBuilder.AddMethodBody(EntityDeclaration methodNode, EntityDeclaration& updatedNode, MethodDef method, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, MethodKind methodKind) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstBuilder.cs:line 1663
*/;
		}

		// Token: 0x06009DBB RID: 40379 RVA: 0x00207D48 File Offset: 0x00205F48
		[Token(Token = "0x6009DBB")]
		[Address(RVA = "0x4E0BF0", Offset = "0x4DFBF0", VA = "0x1804E0BF0")]
		public static ISet ReadOnly(ISet s)
		{
			/*
An exception occurred when decompiling this method (06009DBB)

ICSharpCode.Decompiler.DecompilerException: Error decompiling BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Collections.ISet BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Collections.CollectionUtilities::ReadOnly(BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Collections.ISet)

 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
	Block_0:
	stfld:ISet(UnmodifiableSetProxy::s, ldloc:UnmodifiableSetProxy(var_0), ldloc:ISet(s))
}

   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1852
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.Optimize(DecompilerContext context, ILBlock method, AutoPropertyProvider autoPropertyProvider, StateMachineKind& stateMachineKind, MethodDef& inlinedMethod, AsyncMethodDebugInfo& asyncInfo, ILAstOptimizationStep abortBeforeStep) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 355
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(IEnumerable`1 parameters, MethodDebugInfoBuilder& builder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 123
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 88
   --- End of inner exception stack trace ---
   at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 92
   at ICSharpCode.Decompiler.Ast.AstBuilder.AddMethodBody(EntityDeclaration methodNode, EntityDeclaration& updatedNode, MethodDef method, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, MethodKind methodKind) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstBuilder.cs:line 1663
*/;
		}

		// Token: 0x06009DBC RID: 40380 RVA: 0x00207D5C File Offset: 0x00205F5C
		[Token(Token = "0x6009DBC")]
		[Address(RVA = "0x4E0CB0", Offset = "0x4DFCB0", VA = "0x1804E0CB0")]
		public static object RequireNext(IEnumerator e)
		{
			throw new NullReferenceException();
		}

		// Token: 0x06009DBD RID: 40381 RVA: 0x00207D74 File Offset: 0x00205F74
		[Token(Token = "0x6009DBD")]
		[Address(RVA = "0x4E0D40", Offset = "0x4DFD40", VA = "0x1804E0D40")]
		public static string ToString(IEnumerable c)
		{
			StringBuilder stringBuilder = new StringBuilder("[");
			if (stringBuilder != 0)
			{
				int hashCode = stringBuilder.GetHashCode();
				int num = 0;
				int num2 = 0;
				if (num2 < num)
				{
					num2 += num2;
					num2++;
				}
				if (num2 != 0)
				{
					int num3 = 0;
					StringBuilder stringBuilder2 = stringBuilder.Append(", ");
					if (num2 < num3)
					{
						num2 += num2;
						num2++;
					}
					int num4 = num2.GetHashCode();
					num4 += num4;
					num4 += num4;
				}
			}
			uint num5;
			StringBuilder stringBuilder3 = stringBuilder.Append((char)num5);
			throw new NullReferenceException();
		}

		// Token: 0x06009DBE RID: 40382 RVA: 0x00207DFC File Offset: 0x00205FFC
		[Token(Token = "0x6009DBE")]
		[Address(RVA = "0x412370", Offset = "0x411370", VA = "0x180412370")]
		protected CollectionUtilities()
		{
		}
	}
}