using System;
using System.Collections.Generic;
using System.IO;
using BestHTTP.Decompression.Crc;
using BestHTTP.Extensions;
using Cpp2IlInjected;

namespace BestHTTP.Decompression.Zlib
{
	// Token: 0x02002099 RID: 8345
	[Token(Token = "0x2002099")]
	internal class ZlibBaseStream : Stream
	{
		// Token: 0x17002155 RID: 8533
		// (get) Token: 0x0600D18D RID: 53645 RVA: 0x002FD3E8 File Offset: 0x002FB5E8
		[Token(Token = "0x17002155")]
		internal int Crc32
		{
			[Token(Token = "0x600D18D")]
			[Address(RVA = "0x2A85580", Offset = "0x2A84580", VA = "0x182A85580")]
			get
			{
				CRC32 crc = this.crc;
				if (crc != 0)
				{
					return crc.Crc32Result;
				}
				return 0;
			}
		}

		// Token: 0x0600D18E RID: 53646 RVA: 0x002FD408 File Offset: 0x002FB608
		[Token(Token = "0x600D18E")]
		[Address(RVA = "0x2A849C0", Offset = "0x2A839C0", VA = "0x182A849C0")]
		public ZlibBaseStream(Stream stream, CompressionMode compressionMode, CompressionLevel level, ZlibStreamFlavor flavor, bool leaveOpen)
		{
			byte[] array = new byte[1];
			this._buf1 = array;
			base..ctor();
			this._leaveOpen = false;
			this._flushMode = (FlushType)((ulong)0L);
			this._stream = stream;
			this._compressionMode = compressionMode;
			this._flavor = (ZlibStreamFlavor)0;
			this._level = level;
			this.windowBitsMax = (int)((ulong)15L);
			CRC32 crc = new CRC32();
			this.crc = crc;
		}

		// Token: 0x0600D18F RID: 53647 RVA: 0x002FD488 File Offset: 0x002FB688
		[Token(Token = "0x600D18F")]
		[Address(RVA = "0x2A84AB0", Offset = "0x2A83AB0", VA = "0x182A84AB0")]
		public ZlibBaseStream(Stream stream, CompressionMode compressionMode, CompressionLevel level, ZlibStreamFlavor flavor, bool leaveOpen, int windowBits)
		{
			byte[] array = new byte[1];
			this._buf1 = array;
			base..ctor();
			this._leaveOpen = false;
			this.windowBitsMax = 0;
			this._flushMode = (FlushType)((ulong)0L);
			this._stream = stream;
			this._compressionMode = compressionMode;
			this._flavor = (ZlibStreamFlavor)0;
			this._level = level;
			CRC32 crc = new CRC32();
			this.crc = crc;
		}

		// Token: 0x17002156 RID: 8534
		// (get) Token: 0x0600D190 RID: 53648 RVA: 0x002FD504 File Offset: 0x002FB704
		[Token(Token = "0x17002156")]
		protected internal bool _wantCompress
		{
			[Token(Token = "0x600D190")]
			[Address(RVA = "0x10B5ED0", Offset = "0x10B4ED0", VA = "0x1810B5ED0")]
			get
			{
				return this._compressionMode == CompressionMode.Compress;
			}
		}

		// Token: 0x17002157 RID: 8535
		// (get) Token: 0x0600D191 RID: 53649 RVA: 0x002FD51C File Offset: 0x002FB71C
		[Token(Token = "0x17002157")]
		private ZlibCodec z
		{
			[Token(Token = "0x600D191")]
			[Address(RVA = "0x2A85670", Offset = "0x2A84670", VA = "0x182A85670")]
			get
			{
				if (this._z == (ulong)0L)
				{
					bool flag = this._flavor == ZlibStreamFlavor.ZLIB;
					ZlibCodec zlibCodec = new ZlibCodec();
					zlibCodec.CompressLevel = (CompressionLevel)((ulong)6L);
					zlibCodec.WindowBits = (int)((ulong)15L);
					this._z = zlibCodec;
					if (this._compressionMode != CompressionMode.Decompress)
					{
						CompressionStrategy strategy = this.Strategy;
						zlibCodec.Strategy = strategy;
						ZlibCodec z = this._z;
						int num = this.windowBitsMax;
						CompressionLevel level = this._level;
						z.WindowBits = num;
						z.CompressLevel = level;
						int num2 = z._InternalInitializeDeflate(flag);
					}
					int num3 = this.windowBitsMax;
					int num4 = zlibCodec.InitializeInflate(num3, flag);
				}
				return this._z;
			}
		}

		// Token: 0x17002158 RID: 8536
		// (get) Token: 0x0600D192 RID: 53650 RVA: 0x002FD5CC File Offset: 0x002FB7CC
		[Token(Token = "0x17002158")]
		private byte[] workingBuffer
		{
			[Token(Token = "0x600D192")]
			[Address(RVA = "0x2A855F0", Offset = "0x2A845F0", VA = "0x182A855F0")]
			get
			{
				if (this._workingBuffer == (ulong)0L)
				{
					byte[] array = VariableSizedBufferPool.Get((long)this._bufferSize, true);
					this._workingBuffer = array;
				}
				return this._workingBuffer;
			}
		}

		// Token: 0x0600D193 RID: 53651 RVA: 0x002FD600 File Offset: 0x002FB800
		[Token(Token = "0x600D193")]
		[Address(RVA = "0x2A84140", Offset = "0x2A83140", VA = "0x182A84140", Slot = "29")]
		public override void Write(byte[] buffer, int offset, int count)
		{
			int num;
			ZlibCodec z3;
			do
			{
				CRC32 crc = this.crc;
				num = 0;
				if (crc != 0)
				{
					crc.SlurpBlock(buffer, offset, count);
				}
				ZlibBaseStream.StreamMode streamMode = this._streamMode;
				if (streamMode != ZlibBaseStream.StreamMode.Undefined && streamMode != ZlibBaseStream.StreamMode.Writer)
				{
					goto IL_14C;
				}
				this._streamMode = (ZlibBaseStream.StreamMode)num;
				if (count == 0)
				{
					return;
				}
				this.z.InputBuffer = buffer;
				this._z.NextIn = offset;
				this._z.AvailableBytesIn = count;
				ZlibCodec z = this._z;
				if (this._workingBuffer == num)
				{
					ulong num2;
					byte[] array = VariableSizedBufferPool.Get((long)this._bufferSize, num2 != 0UL);
					this._workingBuffer = array;
				}
				byte[] workingBuffer = this._workingBuffer;
				z.OutputBuffer = workingBuffer;
				this._z.NextOut = num;
				byte[] workingBuffer2 = this._workingBuffer;
				ZlibCodec z2 = this._z;
				int length = workingBuffer2.Length;
				z2.AvailableBytesOut = length;
				z3 = this._z;
				FlushType flushMode = this._flushMode;
				if (this._compressionMode == (CompressionMode)num && z3.dstate == 0)
				{
					goto IL_158;
				}
			}
			while (z3.istate == 0);
			int num3;
			if (num3 > 1)
			{
				goto IL_164;
			}
			byte[] workingBuffer3 = this._workingBuffer;
			ZlibCodec z4 = this._z;
			int num4 = this._stream.ReadByte();
			int availableBytesIn = this._z.AvailableBytesIn;
			if (availableBytesIn != 0)
			{
			}
			if (this._flavor != ZlibStreamFlavor.GZIP || this._compressionMode == (CompressionMode)num || availableBytesIn == 8)
			{
			}
			while (num == 0)
			{
			}
			return;
			IL_14C:
			ZlibException ex = new ZlibException("Cannot Write after Reading.");
			IL_158:
			ZlibException ex2 = new ZlibException("No Deflate State!");
			IL_164:
			throw new NullReferenceException();
		}

		// Token: 0x0600D194 RID: 53652 RVA: 0x002FD780 File Offset: 0x002FB980
		[Token(Token = "0x600D194")]
		[Address(RVA = "0x2A84D10", Offset = "0x2A83D10", VA = "0x182A84D10")]
		private void finish()
		{
			/*
An exception occurred when decompiling this method (0600D194)

ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Void BestHTTP.Decompression.Zlib.ZlibBaseStream::finish()

 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
	IL_297:
	stloc:ZlibException(var_47_2AA, newobj:ZlibException(ZlibException::.ctor, call:string(string::Format, ldstr:string("Bad size in GZIP trailer. (actual({0})!=expected({1}))"), ldloc:ZlibException[exp:object](var_46), ldloc:ZlibException[exp:object](var_46))))
}

   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: 0x0600D195 RID: 53653 RVA: 0x002FDA38 File Offset: 0x002FBC38
		[Token(Token = "0x600D195")]
		[Address(RVA = "0x2A84BA0", Offset = "0x2A83BA0", VA = "0x182A84BA0")]
		private void end()
		{
			/*
An exception occurred when decompiling this method (0600D195)

ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Void BestHTTP.Decompression.Zlib.ZlibBaseStream::end()

 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
	IL_7A:
	stloc:ZlibException(var_5_84, newobj:ZlibException(ZlibException::.ctor, ldstr:string("No Deflate State!")))
}

   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.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1878
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1878
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1846
   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: 0x0600D196 RID: 53654 RVA: 0x002FDACC File Offset: 0x002FBCCC
		[Token(Token = "0x600D196")]
		[Address(RVA = "0x2A83800", Offset = "0x2A82800", VA = "0x182A83800", Slot = "15")]
		public override void Close()
		{
			/*
An exception occurred when decompiling this method (0600D196)

ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Void BestHTTP.Decompression.Zlib.ZlibBaseStream::Close()

 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
	IL_A0:
	stloc:ZlibException(var_6_AA, newobj:ZlibException(ZlibException::.ctor, ldstr:string("No Deflate State!")))
}

   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.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1878
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1878
   at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1846
   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: 0x0600D197 RID: 53655 RVA: 0x002FDB84 File Offset: 0x002FBD84
		[Token(Token = "0x600D197")]
		[Address(RVA = "0x10B3330", Offset = "0x10B2330", VA = "0x1810B3330", Slot = "17")]
		public override void Flush()
		{
			bool canRead = this._stream.CanRead;
		}

		// Token: 0x0600D198 RID: 53656 RVA: 0x002FDBA4 File Offset: 0x002FBDA4
		[Token(Token = "0x600D198")]
		[Address(RVA = "0x2A840B0", Offset = "0x2A830B0", VA = "0x182A840B0", Slot = "25")]
		public override long Seek(long offset, SeekOrigin origin)
		{
			/*
An exception occurred when decompiling this method (0600D198)

ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Int64 BestHTTP.Decompression.Zlib.ZlibBaseStream::Seek(System.Int64,System.IO.SeekOrigin)

 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
	Block_0:
	stloc:NotImplementedException(var_0_05, newobj:NotImplementedException(NotImplementedException::.ctor))
}

   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: 0x0600D199 RID: 53657 RVA: 0x002FDBB8 File Offset: 0x002FBDB8
		[Token(Token = "0x600D199")]
		[Address(RVA = "0x2A84100", Offset = "0x2A83100", VA = "0x182A84100", Slot = "26")]
		public override void SetLength(long value)
		{
			Stream stream = this._stream;
			this.nomoreinput = false;
		}

		// Token: 0x0600D19A RID: 53658 RVA: 0x002FDBDC File Offset: 0x002FBDDC
		[Token(Token = "0x600D19A")]
		[Address(RVA = "0x2A839F0", Offset = "0x2A829F0", VA = "0x182A839F0")]
		private string ReadZeroTerminatedString()
		{
			List<byte> list = new List();
			Stream stream = this._stream;
			byte b = this._buf1[0];
			list.Add(b);
			byte[] array = list.ToArray();
			return GZipStream.iso8859dash1.GetString(array);
		}

		// Token: 0x0600D19B RID: 53659 RVA: 0x002FDC24 File Offset: 0x002FBE24
		[Token(Token = "0x600D19B")]
		[Address(RVA = "0x2A844E0", Offset = "0x2A834E0", VA = "0x182A844E0")]
		private int _ReadAndValidateGzipHeader()
		{
			byte[] array;
			do
			{
				uint num;
				ulong num2;
				array = VariableSizedBufferPool.Get((long)num, num2 != 0UL);
				Stream stream = this._stream;
				int length = array.Length;
			}
			while ("{il2cpp array field local5->}" != (ulong)31L || "{il2cpp array field local5->}" != (ulong)139L || "{il2cpp array field local5->}" != (ulong)8L);
			int num3 = BitConverter.ToInt32(array, (int)8.487983164E-314);
			DateTime unixEpoch = GZipStream._unixEpoch;
			DateTime dateTime;
			this._GzipMtime = dateTime;
			int length2 = array.Length;
			if ("{il2cpp array field local5->}" != (ulong)4L)
			{
				Stream stream2 = this._stream;
				int length3 = array.Length;
				byte b = array[0];
				byte b2 = array[0];
				uint num4;
				byte b3 = (byte)((uint)b * num4);
				b3 += b2;
				Stream stream3 = this._stream;
			}
			if ("{il2cpp array field local5->}" != (ulong)8L)
			{
				string text = this.ReadZeroTerminatedString();
				this._GzipFileName = text;
				int length4 = array.Length;
			}
			if ("{il2cpp array field local5->}" != (ulong)16L)
			{
				string text2 = this.ReadZeroTerminatedString();
				this._GzipComment = text2;
				int length5 = array.Length;
			}
			if ("{il2cpp array field local5->}" != (ulong)2L)
			{
			}
			VariableSizedBufferPool.Release(array);
			VariableSizedBufferPool.Release(array);
			throw new NullReferenceException();
		}

		// Token: 0x0600D19C RID: 53660 RVA: 0x002FDD38 File Offset: 0x002FBF38
		[Token(Token = "0x600D19C")]
		[Address(RVA = "0x2A83B80", Offset = "0x2A82B80", VA = "0x182A83B80", Slot = "27")]
		public override int Read(byte[] buffer, int offset, int count)
		{
			int num;
			int num4;
			bool flag;
			for (;;)
			{
				num = 0;
				if (this._streamMode == ZlibBaseStream.StreamMode.Undefined)
				{
					this._stream.Dispose();
					this._streamMode = (ZlibBaseStream.StreamMode)((ulong)1L);
					this.z.AvailableBytesIn = num;
					if (this._flavor == ZlibStreamFlavor.GZIP)
					{
						int num2 = this._ReadAndValidateGzipHeader();
						this._gzipHeaderByteCount = num2;
						if (num2 == 0)
						{
							goto IL_1D9;
						}
					}
				}
				if (this._streamMode != ZlibBaseStream.StreamMode.Reader || count == 0 || ((this.nomoreinput ? 1 : 0) != num && this._compressionMode == (CompressionMode)num))
				{
					goto IL_1D9;
				}
				if (buffer != 0)
				{
					this._z.OutputBuffer = buffer;
					this._z.NextOut = offset;
					this._z.AvailableBytesOut = count;
					ZlibCodec z = this._z;
					byte[] workingBuffer = this.workingBuffer;
					z.InputBuffer = workingBuffer;
					ZlibCodec z2 = this._z;
					ZlibCodec z4;
					if (z2.AvailableBytesIn == num && (this.nomoreinput ? 1 : 0) == num)
					{
						z2.NextIn = num;
						byte[] workingBuffer2 = this._workingBuffer;
						ZlibCodec z3 = this._z;
						Stream stream = this._stream;
						int length = workingBuffer2.Length;
						z4 = this._z;
						if (z4.AvailableBytesIn == num)
						{
							this.nomoreinput = true;
						}
					}
					FlushType flushMode = this._flushMode;
					if (this._compressionMode == (CompressionMode)num)
					{
						int num3 = z4.Deflate(flushMode);
					}
					num4 = z4.Inflate(flushMode);
					flag = this.nomoreinput;
					if (flag && num4 == -5)
					{
						goto IL_1D9;
					}
					if (num4 <= 1)
					{
						break;
					}
				}
			}
			ZlibCodec z5;
			if ((!flag && num4 != 1) || this._z.AvailableBytesOut != count)
			{
				z5 = this._z;
				if (z5.AvailableBytesOut <= num || flag || num4 == 0)
				{
				}
			}
			if (z5.AvailableBytesOut <= num || !flag || this._compressionMode != (CompressionMode)num || z5.Deflate(FlushType.Finish) <= 1)
			{
				ZlibCodec z6 = this._z;
				CRC32 crc = this.crc;
				if (crc != 0)
				{
					crc.SlurpBlock(buffer, offset, count);
				}
				return count;
			}
			goto IL_1F1;
			IL_1D9:
			ZlibException ex = new ZlibException("Cannot Read after Writing.");
			ZlibException ex2 = new ZlibException("The stream is not readable.");
			IL_1F1:
			throw new NullReferenceException();
		}

		// Token: 0x17002159 RID: 8537
		// (get) Token: 0x0600D19D RID: 53661 RVA: 0x002FDF50 File Offset: 0x002FC150
		[Token(Token = "0x17002159")]
		public override bool CanRead
		{
			[Token(Token = "0x600D19D")]
			[Address(RVA = "0x10B5DF0", Offset = "0x10B4DF0", VA = "0x1810B5DF0", Slot = "7")]
			get
			{
				return this._stream.CanRead;
			}
		}

		// Token: 0x1700215A RID: 8538
		// (get) Token: 0x0600D19E RID: 53662 RVA: 0x002FDF70 File Offset: 0x002FC170
		[Token(Token = "0x1700215A")]
		public override bool CanSeek
		{
			[Token(Token = "0x600D19E")]
			[Address(RVA = "0x10B5E20", Offset = "0x10B4E20", VA = "0x1810B5E20", Slot = "8")]
			get
			{
				return this._stream.CanRead;
			}
		}

		// Token: 0x1700215B RID: 8539
		// (get) Token: 0x0600D19F RID: 53663 RVA: 0x002FDF90 File Offset: 0x002FC190
		[Token(Token = "0x1700215B")]
		public override bool CanWrite
		{
			[Token(Token = "0x600D19F")]
			[Address(RVA = "0x10B5E50", Offset = "0x10B4E50", VA = "0x1810B5E50", Slot = "9")]
			get
			{
				return this._stream.CanRead;
			}
		}

		// Token: 0x1700215C RID: 8540
		// (get) Token: 0x0600D1A0 RID: 53664 RVA: 0x002FDFB0 File Offset: 0x002FC1B0
		[Token(Token = "0x1700215C")]
		public override long Length
		{
			[Token(Token = "0x600D1A0")]
			[Address(RVA = "0x10B4400", Offset = "0x10B3400", VA = "0x1810B4400", Slot = "10")]
			get
			{
				bool canRead = this._stream.CanRead;
				throw new NullReferenceException();
			}
		}

		// Token: 0x1700215D RID: 8541
		// (get) Token: 0x0600D1A1 RID: 53665 RVA: 0x002FDFD0 File Offset: 0x002FC1D0
		// (set) Token: 0x0600D1A2 RID: 53666 RVA: 0x002FDFE4 File Offset: 0x002FC1E4
		[Token(Token = "0x1700215D")]
		public override long Position
		{
			[Token(Token = "0x600D1A1")]
			[Address(RVA = "0x2A855A0", Offset = "0x2A845A0", VA = "0x182A855A0", Slot = "11")]
			get
			{
				/*
An exception occurred when decompiling this method (0600D1A1)

ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Int64 BestHTTP.Decompression.Zlib.ZlibBaseStream::get_Position()

 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
	Block_0:
	stloc:NotImplementedException(var_0_05, newobj:NotImplementedException(NotImplementedException::.ctor))
}

   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(Token = "0x600D1A2")]
			[Address(RVA = "0x2A85740", Offset = "0x2A84740", VA = "0x182A85740", Slot = "12")]
			set
			{
				/*
An exception occurred when decompiling this method (0600D1A2)

ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Void BestHTTP.Decompression.Zlib.ZlibBaseStream::set_Position(System.Int64)

 ---> System.Exception: Basic block has to end with unconditional control flow. 
{
	Block_0:
	stloc:NotImplementedException(var_0_05, newobj:NotImplementedException(NotImplementedException::.ctor))
}

   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: 0x0400855D RID: 34141
		[FieldOffset(Offset = "0x28")]
		[Token(Token = "0x400855D")]
		protected internal ZlibCodec _z;

		// Token: 0x0400855E RID: 34142
		[FieldOffset(Offset = "0x30")]
		[Token(Token = "0x400855E")]
		protected internal ZlibBaseStream.StreamMode _streamMode = (ZlibBaseStream.StreamMode)((ulong)2L);

		// Token: 0x0400855F RID: 34143
		[FieldOffset(Offset = "0x34")]
		[Token(Token = "0x400855F")]
		protected internal FlushType _flushMode;

		// Token: 0x04008560 RID: 34144
		[FieldOffset(Offset = "0x38")]
		[Token(Token = "0x4008560")]
		protected internal ZlibStreamFlavor _flavor;

		// Token: 0x04008561 RID: 34145
		[FieldOffset(Offset = "0x3C")]
		[Token(Token = "0x4008561")]
		protected internal CompressionMode _compressionMode;

		// Token: 0x04008562 RID: 34146
		[FieldOffset(Offset = "0x40")]
		[Token(Token = "0x4008562")]
		protected internal CompressionLevel _level;

		// Token: 0x04008563 RID: 34147
		[FieldOffset(Offset = "0x44")]
		[Token(Token = "0x4008563")]
		protected internal bool _leaveOpen;

		// Token: 0x04008564 RID: 34148
		[FieldOffset(Offset = "0x48")]
		[Token(Token = "0x4008564")]
		protected internal byte[] _workingBuffer;

		// Token: 0x04008565 RID: 34149
		[FieldOffset(Offset = "0x50")]
		[Token(Token = "0x4008565")]
		protected internal int _bufferSize = (int)((ulong)16384L);

		// Token: 0x04008566 RID: 34150
		[FieldOffset(Offset = "0x54")]
		[Token(Token = "0x4008566")]
		protected internal int windowBitsMax;

		// Token: 0x04008567 RID: 34151
		[FieldOffset(Offset = "0x58")]
		[Token(Token = "0x4008567")]
		protected internal byte[] _buf1;

		// Token: 0x04008568 RID: 34152
		[FieldOffset(Offset = "0x60")]
		[Token(Token = "0x4008568")]
		protected internal Stream _stream;

		// Token: 0x04008569 RID: 34153
		[FieldOffset(Offset = "0x68")]
		[Token(Token = "0x4008569")]
		protected internal CompressionStrategy Strategy;

		// Token: 0x0400856A RID: 34154
		[FieldOffset(Offset = "0x70")]
		[Token(Token = "0x400856A")]
		private CRC32 crc;

		// Token: 0x0400856B RID: 34155
		[FieldOffset(Offset = "0x78")]
		[Token(Token = "0x400856B")]
		protected internal string _GzipFileName;

		// Token: 0x0400856C RID: 34156
		[FieldOffset(Offset = "0x80")]
		[Token(Token = "0x400856C")]
		protected internal string _GzipComment;

		// Token: 0x0400856D RID: 34157
		[FieldOffset(Offset = "0x88")]
		[Token(Token = "0x400856D")]
		protected internal DateTime _GzipMtime;

		// Token: 0x0400856E RID: 34158
		[FieldOffset(Offset = "0x90")]
		[Token(Token = "0x400856E")]
		protected internal int _gzipHeaderByteCount;

		// Token: 0x0400856F RID: 34159
		[FieldOffset(Offset = "0x94")]
		[Token(Token = "0x400856F")]
		private bool nomoreinput;

		// Token: 0x0200209A RID: 8346
		[Token(Token = "0x200209A")]
		internal enum StreamMode
		{
			// Token: 0x04008571 RID: 34161
			[Token(Token = "0x4008571")]
			Writer,
			// Token: 0x04008572 RID: 34162
			[Token(Token = "0x4008572")]
			Reader,
			// Token: 0x04008573 RID: 34163
			[Token(Token = "0x4008573")]
			Undefined
		}
	}
}