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) 
public class io.netty.channel.DefaultAddressedEnvelope<M, A extends java.net.SocketAddress> implements io.netty.channel.AddressedEnvelope<M, A>
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: io.netty.channel.DefaultAddressedEnvelope
  super_class: java.lang.Object
{
  private final M message;
    descriptor: Ljava/lang/Object;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: TM;

  private final A sender;
    descriptor: Ljava/net/SocketAddress;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: TA;

  private final A recipient;
    descriptor: Ljava/net/SocketAddress;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: TA;

  public void <init>(M, A, );
    descriptor: (Ljava/lang/Object;Ljava/net/SocketAddress;Ljava/net/SocketAddress;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=4, args_size=4
        start local 0 // io.netty.channel.DefaultAddressedEnvelope this
        start local 1 // java.lang.Object message
        start local 2 // java.net.SocketAddress recipient
        start local 3 // java.net.SocketAddress sender
         0: .line 41
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 42
            aload 1 /* message */
            ifnonnull 3
         2: .line 43
            new java.lang.NullPointerException
            dup
            ldc "message"
            invokespecial java.lang.NullPointerException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 46
      StackMap locals: io.netty.channel.DefaultAddressedEnvelope java.lang.Object java.net.SocketAddress java.net.SocketAddress
      StackMap stack:
            aload 2 /* recipient */
            ifnonnull 5
            aload 3 /* sender */
            ifnonnull 5
         4: .line 47
            new java.lang.NullPointerException
            dup
            ldc "recipient and sender"
            invokespecial java.lang.NullPointerException.<init>:(Ljava/lang/String;)V
            athrow
         5: .line 50
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1 /* message */
            putfield io.netty.channel.DefaultAddressedEnvelope.message:Ljava/lang/Object;
         6: .line 51
            aload 0 /* this */
            aload 3 /* sender */
            putfield io.netty.channel.DefaultAddressedEnvelope.sender:Ljava/net/SocketAddress;
         7: .line 52
            aload 0 /* this */
            aload 2 /* recipient */
            putfield io.netty.channel.DefaultAddressedEnvelope.recipient:Ljava/net/SocketAddress;
         8: .line 53
            return
        end local 3 // java.net.SocketAddress sender
        end local 2 // java.net.SocketAddress recipient
        end local 1 // java.lang.Object message
        end local 0 // io.netty.channel.DefaultAddressedEnvelope this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    9     0       this  Lio/netty/channel/DefaultAddressedEnvelope<TM;TA;>;
            0    9     1    message  TM;
            0    9     2  recipient  TA;
            0    9     3     sender  TA;
    Signature: (TM;TA;TA;)V
    MethodParameters:
           Name  Flags
      message    
      recipient  
      sender     

  public void <init>(M, );
    descriptor: (Ljava/lang/Object;Ljava/net/SocketAddress;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // io.netty.channel.DefaultAddressedEnvelope this
        start local 1 // java.lang.Object message
        start local 2 // java.net.SocketAddress recipient
         0: .line 60
            aload 0 /* this */
            aload 1 /* message */
            aload 2 /* recipient */
            aconst_null
            invokespecial io.netty.channel.DefaultAddressedEnvelope.<init>:(Ljava/lang/Object;Ljava/net/SocketAddress;Ljava/net/SocketAddress;)V
         1: .line 61
            return
        end local 2 // java.net.SocketAddress recipient
        end local 1 // java.lang.Object message
        end local 0 // io.netty.channel.DefaultAddressedEnvelope this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    2     0       this  Lio/netty/channel/DefaultAddressedEnvelope<TM;TA;>;
            0    2     1    message  TM;
            0    2     2  recipient  TA;
    Signature: (TM;TA;)V
    MethodParameters:
           Name  Flags
      message    
      recipient  

  public M content();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.channel.DefaultAddressedEnvelope this
         0: .line 65
            aload 0 /* this */
            getfield io.netty.channel.DefaultAddressedEnvelope.message:Ljava/lang/Object;
            areturn
        end local 0 // io.netty.channel.DefaultAddressedEnvelope this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/channel/DefaultAddressedEnvelope<TM;TA;>;
    Signature: ()TM;

  public A sender();
    descriptor: ()Ljava/net/SocketAddress;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.channel.DefaultAddressedEnvelope this
         0: .line 70
            aload 0 /* this */
            getfield io.netty.channel.DefaultAddressedEnvelope.sender:Ljava/net/SocketAddress;
            areturn
        end local 0 // io.netty.channel.DefaultAddressedEnvelope this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/channel/DefaultAddressedEnvelope<TM;TA;>;
    Signature: ()TA;

  public A recipient();
    descriptor: ()Ljava/net/SocketAddress;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.channel.DefaultAddressedEnvelope this
         0: .line 75
            aload 0 /* this */
            getfield io.netty.channel.DefaultAddressedEnvelope.recipient:Ljava/net/SocketAddress;
            areturn
        end local 0 // io.netty.channel.DefaultAddressedEnvelope this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/channel/DefaultAddressedEnvelope<TM;TA;>;
    Signature: ()TA;

  public int refCnt();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.channel.DefaultAddressedEnvelope this
         0: .line 80
            aload 0 /* this */
            getfield io.netty.channel.DefaultAddressedEnvelope.message:Ljava/lang/Object;
            instanceof io.netty.util.ReferenceCounted
            ifeq 2
         1: .line 81
            aload 0 /* this */
            getfield io.netty.channel.DefaultAddressedEnvelope.message:Ljava/lang/Object;
            checkcast io.netty.util.ReferenceCounted
            invokeinterface io.netty.util.ReferenceCounted.refCnt:()I
            ireturn
         2: .line 83
      StackMap locals:
      StackMap stack:
            iconst_1
            ireturn
        end local 0 // io.netty.channel.DefaultAddressedEnvelope this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lio/netty/channel/DefaultAddressedEnvelope<TM;TA;>;

  public io.netty.channel.AddressedEnvelope<M, A> retain();
    descriptor: ()Lio/netty/channel/AddressedEnvelope;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.channel.DefaultAddressedEnvelope this
         0: .line 89
            aload 0 /* this */
            getfield io.netty.channel.DefaultAddressedEnvelope.message:Ljava/lang/Object;
            invokestatic io.netty.util.ReferenceCountUtil.retain:(Ljava/lang/Object;)Ljava/lang/Object;
            pop
         1: .line 90
            aload 0 /* this */
            areturn
        end local 0 // io.netty.channel.DefaultAddressedEnvelope this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lio/netty/channel/DefaultAddressedEnvelope<TM;TA;>;
    Signature: ()Lio/netty/channel/AddressedEnvelope<TM;TA;>;

  public io.netty.channel.AddressedEnvelope<M, A> retain(int);
    descriptor: (I)Lio/netty/channel/AddressedEnvelope;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // io.netty.channel.DefaultAddressedEnvelope this
        start local 1 // int increment
         0: .line 95
            aload 0 /* this */
            getfield io.netty.channel.DefaultAddressedEnvelope.message:Ljava/lang/Object;
            iload 1 /* increment */
            invokestatic io.netty.util.ReferenceCountUtil.retain:(Ljava/lang/Object;I)Ljava/lang/Object;
            pop
         1: .line 96
            aload 0 /* this */
            areturn
        end local 1 // int increment
        end local 0 // io.netty.channel.DefaultAddressedEnvelope this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    2     0       this  Lio/netty/channel/DefaultAddressedEnvelope<TM;TA;>;
            0    2     1  increment  I
    Signature: (I)Lio/netty/channel/AddressedEnvelope<TM;TA;>;
    MethodParameters:
           Name  Flags
      increment  

  public boolean release();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.channel.DefaultAddressedEnvelope this
         0: .line 101
            aload 0 /* this */
            getfield io.netty.channel.DefaultAddressedEnvelope.message:Ljava/lang/Object;
            invokestatic io.netty.util.ReferenceCountUtil.release:(Ljava/lang/Object;)Z
            ireturn
        end local 0 // io.netty.channel.DefaultAddressedEnvelope this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/channel/DefaultAddressedEnvelope<TM;TA;>;

  public boolean release(int);
    descriptor: (I)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // io.netty.channel.DefaultAddressedEnvelope this
        start local 1 // int decrement
         0: .line 106
            aload 0 /* this */
            getfield io.netty.channel.DefaultAddressedEnvelope.message:Ljava/lang/Object;
            iload 1 /* decrement */
            invokestatic io.netty.util.ReferenceCountUtil.release:(Ljava/lang/Object;I)Z
            ireturn
        end local 1 // int decrement
        end local 0 // io.netty.channel.DefaultAddressedEnvelope this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    1     0       this  Lio/netty/channel/DefaultAddressedEnvelope<TM;TA;>;
            0    1     1  decrement  I
    MethodParameters:
           Name  Flags
      decrement  

  public io.netty.channel.AddressedEnvelope<M, A> touch();
    descriptor: ()Lio/netty/channel/AddressedEnvelope;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.channel.DefaultAddressedEnvelope this
         0: .line 111
            aload 0 /* this */
            getfield io.netty.channel.DefaultAddressedEnvelope.message:Ljava/lang/Object;
            invokestatic io.netty.util.ReferenceCountUtil.touch:(Ljava/lang/Object;)Ljava/lang/Object;
            pop
         1: .line 112
            aload 0 /* this */
            areturn
        end local 0 // io.netty.channel.DefaultAddressedEnvelope this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lio/netty/channel/DefaultAddressedEnvelope<TM;TA;>;
    Signature: ()Lio/netty/channel/AddressedEnvelope<TM;TA;>;

  public io.netty.channel.AddressedEnvelope<M, A> touch();
    descriptor: (Ljava/lang/Object;)Lio/netty/channel/AddressedEnvelope;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // io.netty.channel.DefaultAddressedEnvelope this
        start local 1 // java.lang.Object hint
         0: .line 117
            aload 0 /* this */
            getfield io.netty.channel.DefaultAddressedEnvelope.message:Ljava/lang/Object;
            aload 1 /* hint */
            invokestatic io.netty.util.ReferenceCountUtil.touch:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         1: .line 118
            aload 0 /* this */
            areturn
        end local 1 // java.lang.Object hint
        end local 0 // io.netty.channel.DefaultAddressedEnvelope this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lio/netty/channel/DefaultAddressedEnvelope<TM;TA;>;
            0    2     1  hint  Ljava/lang/Object;
    Signature: (Ljava/lang/Object;)Lio/netty/channel/AddressedEnvelope<TM;TA;>;
    MethodParameters:
      Name  Flags
      hint  

  public java.lang.String toString();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // io.netty.channel.DefaultAddressedEnvelope this
         0: .line 123
            aload 0 /* this */
            getfield io.netty.channel.DefaultAddressedEnvelope.sender:Ljava/net/SocketAddress;
            ifnull 4
         1: .line 124
            new java.lang.StringBuilder
            dup
            aload 0 /* this */
            invokestatic io.netty.util.internal.StringUtil.simpleClassName:(Ljava/lang/Object;)Ljava/lang/String;
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
         2: .line 125
            bipush 40
            invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
            aload 0 /* this */
            getfield io.netty.channel.DefaultAddressedEnvelope.sender:Ljava/net/SocketAddress;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            ldc " => "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 0 /* this */
            getfield io.netty.channel.DefaultAddressedEnvelope.recipient:Ljava/net/SocketAddress;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            ldc ", "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 0 /* this */
            getfield io.netty.channel.DefaultAddressedEnvelope.message:Ljava/lang/Object;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            bipush 41
            invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
         3: .line 124
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            areturn
         4: .line 127
      StackMap locals:
      StackMap stack:
            new java.lang.StringBuilder
            dup
            aload 0 /* this */
            invokestatic io.netty.util.internal.StringUtil.simpleClassName:(Ljava/lang/Object;)Ljava/lang/String;
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
         5: .line 128
            ldc "(=> "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 0 /* this */
            getfield io.netty.channel.DefaultAddressedEnvelope.recipient:Ljava/net/SocketAddress;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            ldc ", "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 0 /* this */
            getfield io.netty.channel.DefaultAddressedEnvelope.message:Ljava/lang/Object;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            bipush 41
            invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
         6: .line 127
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            areturn
        end local 0 // io.netty.channel.DefaultAddressedEnvelope this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0  this  Lio/netty/channel/DefaultAddressedEnvelope<TM;TA;>;

  public io.netty.util.ReferenceCounted retain(int);
    descriptor: (I)Lio/netty/util/ReferenceCounted;
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=2, locals=2, args_size=2
         0: .line 1
            aload 0
            iload 1
            invokevirtual io.netty.channel.DefaultAddressedEnvelope.retain:(I)Lio/netty/channel/AddressedEnvelope;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public io.netty.util.ReferenceCounted retain();
    descriptor: ()Lio/netty/util/ReferenceCounted;
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=1, locals=1, args_size=1
         0: .line 1
            aload 0
            invokevirtual io.netty.channel.DefaultAddressedEnvelope.retain:()Lio/netty/channel/AddressedEnvelope;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public io.netty.util.ReferenceCounted touch(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Lio/netty/util/ReferenceCounted;
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=2, locals=2, args_size=2
         0: .line 1
            aload 0
            aload 1
            invokevirtual io.netty.channel.DefaultAddressedEnvelope.touch:(Ljava/lang/Object;)Lio/netty/channel/AddressedEnvelope;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public io.netty.util.ReferenceCounted touch();
    descriptor: ()Lio/netty/util/ReferenceCounted;
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=1, locals=1, args_size=1
         0: .line 1
            aload 0
            invokevirtual io.netty.channel.DefaultAddressedEnvelope.touch:()Lio/netty/channel/AddressedEnvelope;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
Signature: <M:Ljava/lang/Object;A:Ljava/net/SocketAddress;>Ljava/lang/Object;Lio/netty/channel/AddressedEnvelope<TM;TA;>;
SourceFile: "DefaultAddressedEnvelope.java"