http://netty.io/netty-all/: Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers and clients. (The Netty Project) 
class io.netty.handler.codec.marshalling.ChannelBufferByteInput implements org.jboss.marshalling.ByteInput
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: io.netty.handler.codec.marshalling.ChannelBufferByteInput
  super_class: java.lang.Object
{
  private final io.netty.buffer.ByteBuf buffer;
    descriptor: Lio/netty/buffer/ByteBuf;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  void <init>(io.netty.buffer.ByteBuf);
    descriptor: (Lio/netty/buffer/ByteBuf;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // io.netty.handler.codec.marshalling.ChannelBufferByteInput this
        start local 1 // io.netty.buffer.ByteBuf buffer
         0: .line 30
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 31
            aload 0 /* this */
            aload 1 /* buffer */
            putfield io.netty.handler.codec.marshalling.ChannelBufferByteInput.buffer:Lio/netty/buffer/ByteBuf;
         2: .line 32
            return
        end local 1 // io.netty.buffer.ByteBuf buffer
        end local 0 // io.netty.handler.codec.marshalling.ChannelBufferByteInput this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    3     0    this  Lio/netty/handler/codec/marshalling/ChannelBufferByteInput;
            0    3     1  buffer  Lio/netty/buffer/ByteBuf;
    MethodParameters:
        Name  Flags
      buffer  

  public void close();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=0, locals=1, args_size=1
        start local 0 // io.netty.handler.codec.marshalling.ChannelBufferByteInput this
         0: .line 37
            return
        end local 0 // io.netty.handler.codec.marshalling.ChannelBufferByteInput this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/codec/marshalling/ChannelBufferByteInput;
    Exceptions:
      throws java.io.IOException

  public int available();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.handler.codec.marshalling.ChannelBufferByteInput this
         0: .line 41
            aload 0 /* this */
            getfield io.netty.handler.codec.marshalling.ChannelBufferByteInput.buffer:Lio/netty/buffer/ByteBuf;
            invokevirtual io.netty.buffer.ByteBuf.readableBytes:()I
            ireturn
        end local 0 // io.netty.handler.codec.marshalling.ChannelBufferByteInput this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/codec/marshalling/ChannelBufferByteInput;
    Exceptions:
      throws java.io.IOException

  public int read();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // io.netty.handler.codec.marshalling.ChannelBufferByteInput this
         0: .line 46
            aload 0 /* this */
            getfield io.netty.handler.codec.marshalling.ChannelBufferByteInput.buffer:Lio/netty/buffer/ByteBuf;
            invokevirtual io.netty.buffer.ByteBuf.isReadable:()Z
            ifeq 2
         1: .line 47
            aload 0 /* this */
            getfield io.netty.handler.codec.marshalling.ChannelBufferByteInput.buffer:Lio/netty/buffer/ByteBuf;
            invokevirtual io.netty.buffer.ByteBuf.readByte:()B
            sipush 255
            iand
            ireturn
         2: .line 49
      StackMap locals:
      StackMap stack:
            iconst_m1
            ireturn
        end local 0 // io.netty.handler.codec.marshalling.ChannelBufferByteInput this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lio/netty/handler/codec/marshalling/ChannelBufferByteInput;
    Exceptions:
      throws java.io.IOException

  public int read(byte[]);
    descriptor: ([B)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // io.netty.handler.codec.marshalling.ChannelBufferByteInput this
        start local 1 // byte[] array
         0: .line 54
            aload 0 /* this */
            aload 1 /* array */
            iconst_0
            aload 1 /* array */
            arraylength
            invokevirtual io.netty.handler.codec.marshalling.ChannelBufferByteInput.read:([BII)I
            ireturn
        end local 1 // byte[] array
        end local 0 // io.netty.handler.codec.marshalling.ChannelBufferByteInput this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0   this  Lio/netty/handler/codec/marshalling/ChannelBufferByteInput;
            0    1     1  array  [B
    Exceptions:
      throws java.io.IOException
    MethodParameters:
       Name  Flags
      array  

  public int read(byte[], int, int);
    descriptor: ([BII)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=5, args_size=4
        start local 0 // io.netty.handler.codec.marshalling.ChannelBufferByteInput this
        start local 1 // byte[] dst
        start local 2 // int dstIndex
        start local 3 // int length
         0: .line 59
            aload 0 /* this */
            invokevirtual io.netty.handler.codec.marshalling.ChannelBufferByteInput.available:()I
            istore 4 /* available */
        start local 4 // int available
         1: .line 60
            iload 4 /* available */
            ifne 3
         2: .line 61
            iconst_m1
            ireturn
         3: .line 64
      StackMap locals: int
      StackMap stack:
            iload 4 /* available */
            iload 3 /* length */
            invokestatic java.lang.Math.min:(II)I
            istore 3 /* length */
         4: .line 65
            aload 0 /* this */
            getfield io.netty.handler.codec.marshalling.ChannelBufferByteInput.buffer:Lio/netty/buffer/ByteBuf;
            aload 1 /* dst */
            iload 2 /* dstIndex */
            iload 3 /* length */
            invokevirtual io.netty.buffer.ByteBuf.readBytes:([BII)Lio/netty/buffer/ByteBuf;
            pop
         5: .line 66
            iload 3 /* length */
            ireturn
        end local 4 // int available
        end local 3 // int length
        end local 2 // int dstIndex
        end local 1 // byte[] dst
        end local 0 // io.netty.handler.codec.marshalling.ChannelBufferByteInput this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    6     0       this  Lio/netty/handler/codec/marshalling/ChannelBufferByteInput;
            0    6     1        dst  [B
            0    6     2   dstIndex  I
            0    6     3     length  I
            1    6     4  available  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
          Name  Flags
      dst       
      dstIndex  
      length    

  public long skip(long);
    descriptor: (J)J
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=4, args_size=2
        start local 0 // io.netty.handler.codec.marshalling.ChannelBufferByteInput this
        start local 1 // long bytes
         0: .line 71
            aload 0 /* this */
            getfield io.netty.handler.codec.marshalling.ChannelBufferByteInput.buffer:Lio/netty/buffer/ByteBuf;
            invokevirtual io.netty.buffer.ByteBuf.readableBytes:()I
            istore 3 /* readable */
        start local 3 // int readable
         1: .line 72
            iload 3 /* readable */
            i2l
            lload 1 /* bytes */
            lcmp
            ifge 3
         2: .line 73
            iload 3 /* readable */
            i2l
            lstore 1 /* bytes */
         3: .line 75
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            getfield io.netty.handler.codec.marshalling.ChannelBufferByteInput.buffer:Lio/netty/buffer/ByteBuf;
            aload 0 /* this */
            getfield io.netty.handler.codec.marshalling.ChannelBufferByteInput.buffer:Lio/netty/buffer/ByteBuf;
            invokevirtual io.netty.buffer.ByteBuf.readerIndex:()I
            i2l
            lload 1 /* bytes */
            ladd
            l2i
            invokevirtual io.netty.buffer.ByteBuf.readerIndex:(I)Lio/netty/buffer/ByteBuf;
            pop
         4: .line 76
            lload 1 /* bytes */
            lreturn
        end local 3 // int readable
        end local 1 // long bytes
        end local 0 // io.netty.handler.codec.marshalling.ChannelBufferByteInput this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    5     0      this  Lio/netty/handler/codec/marshalling/ChannelBufferByteInput;
            0    5     1     bytes  J
            1    5     3  readable  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
       Name  Flags
      bytes  
}
SourceFile: "ChannelBufferByteInput.java"