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.LimitingByteInput implements org.jboss.marshalling.ByteInput
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: io.netty.handler.codec.marshalling.LimitingByteInput
  super_class: java.lang.Object
{
  private static final io.netty.handler.codec.marshalling.LimitingByteInput$TooBigObjectException EXCEPTION;
    descriptor: Lio/netty/handler/codec/marshalling/LimitingByteInput$TooBigObjectException;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private final org.jboss.marshalling.ByteInput input;
    descriptor: Lorg/jboss/marshalling/ByteInput;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final long limit;
    descriptor: J
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private long read;
    descriptor: J
    flags: (0x0002) ACC_PRIVATE

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 29
            new io.netty.handler.codec.marshalling.LimitingByteInput$TooBigObjectException
            dup
            invokespecial io.netty.handler.codec.marshalling.LimitingByteInput$TooBigObjectException.<init>:()V
            putstatic io.netty.handler.codec.marshalling.LimitingByteInput.EXCEPTION:Lio/netty/handler/codec/marshalling/LimitingByteInput$TooBigObjectException;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  void <init>(org.jboss.marshalling.ByteInput, long);
    descriptor: (Lorg/jboss/marshalling/ByteInput;J)V
    flags: (0x0000) 
    Code:
      stack=4, locals=4, args_size=3
        start local 0 // io.netty.handler.codec.marshalling.LimitingByteInput this
        start local 1 // org.jboss.marshalling.ByteInput input
        start local 2 // long limit
         0: .line 35
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 36
            lload 2 /* limit */
            lconst_0
            lcmp
            ifgt 3
         2: .line 37
            new java.lang.IllegalArgumentException
            dup
            ldc "The limit MUST be > 0"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 39
      StackMap locals: io.netty.handler.codec.marshalling.LimitingByteInput org.jboss.marshalling.ByteInput long
      StackMap stack:
            aload 0 /* this */
            aload 1 /* input */
            putfield io.netty.handler.codec.marshalling.LimitingByteInput.input:Lorg/jboss/marshalling/ByteInput;
         4: .line 40
            aload 0 /* this */
            lload 2 /* limit */
            putfield io.netty.handler.codec.marshalling.LimitingByteInput.limit:J
         5: .line 41
            return
        end local 2 // long limit
        end local 1 // org.jboss.marshalling.ByteInput input
        end local 0 // io.netty.handler.codec.marshalling.LimitingByteInput this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    6     0   this  Lio/netty/handler/codec/marshalling/LimitingByteInput;
            0    6     1  input  Lorg/jboss/marshalling/ByteInput;
            0    6     2  limit  J
    MethodParameters:
       Name  Flags
      input  
      limit  

  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.LimitingByteInput this
         0: .line 46
            return
        end local 0 // io.netty.handler.codec.marshalling.LimitingByteInput this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/codec/marshalling/LimitingByteInput;
    Exceptions:
      throws java.io.IOException

  public int available();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // io.netty.handler.codec.marshalling.LimitingByteInput this
         0: .line 50
            aload 0 /* this */
            aload 0 /* this */
            getfield io.netty.handler.codec.marshalling.LimitingByteInput.input:Lorg/jboss/marshalling/ByteInput;
            invokeinterface org.jboss.marshalling.ByteInput.available:()I
            invokevirtual io.netty.handler.codec.marshalling.LimitingByteInput.readable:(I)I
            ireturn
        end local 0 // io.netty.handler.codec.marshalling.LimitingByteInput this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/codec/marshalling/LimitingByteInput;
    Exceptions:
      throws java.io.IOException

  public int read();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=3, args_size=1
        start local 0 // io.netty.handler.codec.marshalling.LimitingByteInput this
         0: .line 55
            aload 0 /* this */
            iconst_1
            invokevirtual io.netty.handler.codec.marshalling.LimitingByteInput.readable:(I)I
            istore 1 /* readable */
        start local 1 // int readable
         1: .line 56
            iload 1 /* readable */
            ifle 5
         2: .line 57
            aload 0 /* this */
            getfield io.netty.handler.codec.marshalling.LimitingByteInput.input:Lorg/jboss/marshalling/ByteInput;
            invokeinterface org.jboss.marshalling.ByteInput.read:()I
            istore 2 /* b */
        start local 2 // int b
         3: .line 58
            aload 0 /* this */
            dup
            getfield io.netty.handler.codec.marshalling.LimitingByteInput.read:J
            lconst_1
            ladd
            putfield io.netty.handler.codec.marshalling.LimitingByteInput.read:J
         4: .line 59
            iload 2 /* b */
            ireturn
        end local 2 // int b
         5: .line 61
      StackMap locals: int
      StackMap stack:
            getstatic io.netty.handler.codec.marshalling.LimitingByteInput.EXCEPTION:Lio/netty/handler/codec/marshalling/LimitingByteInput$TooBigObjectException;
            athrow
        end local 1 // int readable
        end local 0 // io.netty.handler.codec.marshalling.LimitingByteInput this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    6     0      this  Lio/netty/handler/codec/marshalling/LimitingByteInput;
            1    6     1  readable  I
            3    5     2         b  I
    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.LimitingByteInput this
        start local 1 // byte[] array
         0: .line 67
            aload 0 /* this */
            aload 1 /* array */
            iconst_0
            aload 1 /* array */
            arraylength
            invokevirtual io.netty.handler.codec.marshalling.LimitingByteInput.read:([BII)I
            ireturn
        end local 1 // byte[] array
        end local 0 // io.netty.handler.codec.marshalling.LimitingByteInput this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0   this  Lio/netty/handler/codec/marshalling/LimitingByteInput;
            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=5, locals=6, args_size=4
        start local 0 // io.netty.handler.codec.marshalling.LimitingByteInput this
        start local 1 // byte[] array
        start local 2 // int offset
        start local 3 // int length
         0: .line 72
            aload 0 /* this */
            iload 3 /* length */
            invokevirtual io.netty.handler.codec.marshalling.LimitingByteInput.readable:(I)I
            istore 4 /* readable */
        start local 4 // int readable
         1: .line 73
            iload 4 /* readable */
            ifle 5
         2: .line 74
            aload 0 /* this */
            getfield io.netty.handler.codec.marshalling.LimitingByteInput.input:Lorg/jboss/marshalling/ByteInput;
            aload 1 /* array */
            iload 2 /* offset */
            iload 4 /* readable */
            invokeinterface org.jboss.marshalling.ByteInput.read:([BII)I
            istore 5 /* i */
        start local 5 // int i
         3: .line 75
            aload 0 /* this */
            dup
            getfield io.netty.handler.codec.marshalling.LimitingByteInput.read:J
            iload 5 /* i */
            i2l
            ladd
            putfield io.netty.handler.codec.marshalling.LimitingByteInput.read:J
         4: .line 76
            iload 5 /* i */
            ireturn
        end local 5 // int i
         5: .line 78
      StackMap locals: int
      StackMap stack:
            getstatic io.netty.handler.codec.marshalling.LimitingByteInput.EXCEPTION:Lio/netty/handler/codec/marshalling/LimitingByteInput$TooBigObjectException;
            athrow
        end local 4 // int readable
        end local 3 // int length
        end local 2 // int offset
        end local 1 // byte[] array
        end local 0 // io.netty.handler.codec.marshalling.LimitingByteInput this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    6     0      this  Lio/netty/handler/codec/marshalling/LimitingByteInput;
            0    6     1     array  [B
            0    6     2    offset  I
            0    6     3    length  I
            1    6     4  readable  I
            3    5     5         i  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
        Name  Flags
      array   
      offset  
      length  

  public long skip(long);
    descriptor: (J)J
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=6, args_size=2
        start local 0 // io.netty.handler.codec.marshalling.LimitingByteInput this
        start local 1 // long bytes
         0: .line 84
            aload 0 /* this */
            lload 1 /* bytes */
            l2i
            invokevirtual io.netty.handler.codec.marshalling.LimitingByteInput.readable:(I)I
            istore 3 /* readable */
        start local 3 // int readable
         1: .line 85
            iload 3 /* readable */
            ifle 5
         2: .line 86
            aload 0 /* this */
            getfield io.netty.handler.codec.marshalling.LimitingByteInput.input:Lorg/jboss/marshalling/ByteInput;
            iload 3 /* readable */
            i2l
            invokeinterface org.jboss.marshalling.ByteInput.skip:(J)J
            lstore 4 /* i */
        start local 4 // long i
         3: .line 87
            aload 0 /* this */
            dup
            getfield io.netty.handler.codec.marshalling.LimitingByteInput.read:J
            lload 4 /* i */
            ladd
            putfield io.netty.handler.codec.marshalling.LimitingByteInput.read:J
         4: .line 88
            lload 4 /* i */
            lreturn
        end local 4 // long i
         5: .line 90
      StackMap locals: int
      StackMap stack:
            getstatic io.netty.handler.codec.marshalling.LimitingByteInput.EXCEPTION:Lio/netty/handler/codec/marshalling/LimitingByteInput$TooBigObjectException;
            athrow
        end local 3 // int readable
        end local 1 // long bytes
        end local 0 // io.netty.handler.codec.marshalling.LimitingByteInput this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    6     0      this  Lio/netty/handler/codec/marshalling/LimitingByteInput;
            0    6     1     bytes  J
            1    6     3  readable  I
            3    5     4         i  J
    Exceptions:
      throws java.io.IOException
    MethodParameters:
       Name  Flags
      bytes  

  private int readable(int);
    descriptor: (I)I
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=6, locals=2, args_size=2
        start local 0 // io.netty.handler.codec.marshalling.LimitingByteInput this
        start local 1 // int length
         0: .line 95
            iload 1 /* length */
            i2l
            aload 0 /* this */
            getfield io.netty.handler.codec.marshalling.LimitingByteInput.limit:J
            aload 0 /* this */
            getfield io.netty.handler.codec.marshalling.LimitingByteInput.read:J
            lsub
            invokestatic java.lang.Math.min:(JJ)J
            l2i
            ireturn
        end local 1 // int length
        end local 0 // io.netty.handler.codec.marshalling.LimitingByteInput this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    1     0    this  Lio/netty/handler/codec/marshalling/LimitingByteInput;
            0    1     1  length  I
    MethodParameters:
        Name  Flags
      length  
}
SourceFile: "LimitingByteInput.java"
NestMembers:
  io.netty.handler.codec.marshalling.LimitingByteInput$TooBigObjectException
InnerClasses:
  final TooBigObjectException = io.netty.handler.codec.marshalling.LimitingByteInput$TooBigObjectException of io.netty.handler.codec.marshalling.LimitingByteInput