using System;
using System.IO;

namespace Hjg.Pngcs.Zlib
{
	// Token: 0x02000043 RID: 67
	public abstract class AZlibInputStream : Stream
	{
		// Token: 0x06000291 RID: 657 RVA: 0x0000A853 File Offset: 0x00008A53
		public AZlibInputStream(Stream st, bool leaveOpen)
		{
			this.rawStream = st;
			this.leaveOpen = leaveOpen;
		}

		// Token: 0x17000042 RID: 66
		// (get) Token: 0x06000292 RID: 658 RVA: 0x0000A869 File Offset: 0x00008A69
		public override bool CanRead
		{
			get
			{
				return true;
			}
		}

		// Token: 0x17000043 RID: 67
		// (get) Token: 0x06000293 RID: 659 RVA: 0x0000A86C File Offset: 0x00008A6C
		public override bool CanWrite
		{
			get
			{
				return false;
			}
		}

		// Token: 0x06000294 RID: 660 RVA: 0x0000A86F File Offset: 0x00008A6F
		public override void SetLength(long value)
		{
			throw new NotImplementedException();
		}

		// Token: 0x17000044 RID: 68
		// (get) Token: 0x06000295 RID: 661 RVA: 0x0000A876 File Offset: 0x00008A76
		public override bool CanSeek
		{
			get
			{
				return false;
			}
		}

		// Token: 0x06000296 RID: 662 RVA: 0x0000A879 File Offset: 0x00008A79
		public override long Seek(long offset, SeekOrigin origin)
		{
			throw new NotImplementedException();
		}

		// Token: 0x17000045 RID: 69
		// (get) Token: 0x06000297 RID: 663 RVA: 0x0000A880 File Offset: 0x00008A80
		// (set) Token: 0x06000298 RID: 664 RVA: 0x0000A887 File Offset: 0x00008A87
		public override long Position
		{
			get
			{
				throw new NotImplementedException();
			}
			set
			{
				throw new NotImplementedException();
			}
		}

		// Token: 0x17000046 RID: 70
		// (get) Token: 0x06000299 RID: 665 RVA: 0x0000A88E File Offset: 0x00008A8E
		public override long Length
		{
			get
			{
				throw new NotImplementedException();
			}
		}

		// Token: 0x0600029A RID: 666 RVA: 0x0000A895 File Offset: 0x00008A95
		public override void Write(byte[] buffer, int offset, int count)
		{
			throw new NotImplementedException();
		}

		// Token: 0x17000047 RID: 71
		// (get) Token: 0x0600029B RID: 667 RVA: 0x0000A89C File Offset: 0x00008A9C
		public override bool CanTimeout
		{
			get
			{
				return false;
			}
		}

		// Token: 0x0600029C RID: 668
		public abstract string getImplementationId();

		// Token: 0x04000152 RID: 338
		protected readonly Stream rawStream;

		// Token: 0x04000153 RID: 339
		protected readonly bool leaveOpen;
	}
}