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.handler.codec.socksx.v5.Socks5ServerEncoder extends io.netty.handler.codec.MessageToByteEncoder<io.netty.handler.codec.socksx.v5.Socks5Message>
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: io.netty.handler.codec.socksx.v5.Socks5ServerEncoder
  super_class: io.netty.handler.codec.MessageToByteEncoder
{
  public static final io.netty.handler.codec.socksx.v5.Socks5ServerEncoder DEFAULT;
    descriptor: Lio/netty/handler/codec/socksx/v5/Socks5ServerEncoder;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL

  private final io.netty.handler.codec.socksx.v5.Socks5AddressEncoder addressEncoder;
    descriptor: Lio/netty/handler/codec/socksx/v5/Socks5AddressEncoder;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=3, locals=0, args_size=0
         0: .line 32
            new io.netty.handler.codec.socksx.v5.Socks5ServerEncoder
            dup
            getstatic io.netty.handler.codec.socksx.v5.Socks5AddressEncoder.DEFAULT:Lio/netty/handler/codec/socksx/v5/Socks5AddressEncoder;
            invokespecial io.netty.handler.codec.socksx.v5.Socks5ServerEncoder.<init>:(Lio/netty/handler/codec/socksx/v5/Socks5AddressEncoder;)V
            putstatic io.netty.handler.codec.socksx.v5.Socks5ServerEncoder.DEFAULT:Lio/netty/handler/codec/socksx/v5/Socks5ServerEncoder;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  protected void <init>();
    descriptor: ()V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // io.netty.handler.codec.socksx.v5.Socks5ServerEncoder this
         0: .line 40
            aload 0 /* this */
            getstatic io.netty.handler.codec.socksx.v5.Socks5AddressEncoder.DEFAULT:Lio/netty/handler/codec/socksx/v5/Socks5AddressEncoder;
            invokespecial io.netty.handler.codec.socksx.v5.Socks5ServerEncoder.<init>:(Lio/netty/handler/codec/socksx/v5/Socks5AddressEncoder;)V
         1: .line 41
            return
        end local 0 // io.netty.handler.codec.socksx.v5.Socks5ServerEncoder this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lio/netty/handler/codec/socksx/v5/Socks5ServerEncoder;

  public void <init>(io.netty.handler.codec.socksx.v5.Socks5AddressEncoder);
    descriptor: (Lio/netty/handler/codec/socksx/v5/Socks5AddressEncoder;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // io.netty.handler.codec.socksx.v5.Socks5ServerEncoder this
        start local 1 // io.netty.handler.codec.socksx.v5.Socks5AddressEncoder addressEncoder
         0: .line 46
            aload 0 /* this */
            invokespecial io.netty.handler.codec.MessageToByteEncoder.<init>:()V
         1: .line 47
            aload 1 /* addressEncoder */
            ifnonnull 3
         2: .line 48
            new java.lang.NullPointerException
            dup
            ldc "addressEncoder"
            invokespecial java.lang.NullPointerException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 51
      StackMap locals: io.netty.handler.codec.socksx.v5.Socks5ServerEncoder io.netty.handler.codec.socksx.v5.Socks5AddressEncoder
      StackMap stack:
            aload 0 /* this */
            aload 1 /* addressEncoder */
            putfield io.netty.handler.codec.socksx.v5.Socks5ServerEncoder.addressEncoder:Lio/netty/handler/codec/socksx/v5/Socks5AddressEncoder;
         4: .line 52
            return
        end local 1 // io.netty.handler.codec.socksx.v5.Socks5AddressEncoder addressEncoder
        end local 0 // io.netty.handler.codec.socksx.v5.Socks5ServerEncoder this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0    5     0            this  Lio/netty/handler/codec/socksx/v5/Socks5ServerEncoder;
            0    5     1  addressEncoder  Lio/netty/handler/codec/socksx/v5/Socks5AddressEncoder;
    MethodParameters:
                Name  Flags
      addressEncoder  

  protected final io.netty.handler.codec.socksx.v5.Socks5AddressEncoder addressEncoder();
    descriptor: ()Lio/netty/handler/codec/socksx/v5/Socks5AddressEncoder;
    flags: (0x0014) ACC_PROTECTED, ACC_FINAL
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.handler.codec.socksx.v5.Socks5ServerEncoder this
         0: .line 58
            aload 0 /* this */
            getfield io.netty.handler.codec.socksx.v5.Socks5ServerEncoder.addressEncoder:Lio/netty/handler/codec/socksx/v5/Socks5AddressEncoder;
            areturn
        end local 0 // io.netty.handler.codec.socksx.v5.Socks5ServerEncoder this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/codec/socksx/v5/Socks5ServerEncoder;

  protected void encode(io.netty.channel.ChannelHandlerContext, io.netty.handler.codec.socksx.v5.Socks5Message, io.netty.buffer.ByteBuf);
    descriptor: (Lio/netty/channel/ChannelHandlerContext;Lio/netty/handler/codec/socksx/v5/Socks5Message;Lio/netty/buffer/ByteBuf;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=5, locals=4, args_size=4
        start local 0 // io.netty.handler.codec.socksx.v5.Socks5ServerEncoder this
        start local 1 // io.netty.channel.ChannelHandlerContext ctx
        start local 2 // io.netty.handler.codec.socksx.v5.Socks5Message msg
        start local 3 // io.netty.buffer.ByteBuf out
         0: .line 63
            aload 2 /* msg */
            instanceof io.netty.handler.codec.socksx.v5.Socks5InitialResponse
            ifeq 3
         1: .line 64
            aload 2 /* msg */
            checkcast io.netty.handler.codec.socksx.v5.Socks5InitialResponse
            aload 3 /* out */
            invokestatic io.netty.handler.codec.socksx.v5.Socks5ServerEncoder.encodeAuthMethodResponse:(Lio/netty/handler/codec/socksx/v5/Socks5InitialResponse;Lio/netty/buffer/ByteBuf;)V
         2: .line 65
            goto 10
      StackMap locals:
      StackMap stack:
         3: aload 2 /* msg */
            instanceof io.netty.handler.codec.socksx.v5.Socks5PasswordAuthResponse
            ifeq 6
         4: .line 66
            aload 2 /* msg */
            checkcast io.netty.handler.codec.socksx.v5.Socks5PasswordAuthResponse
            aload 3 /* out */
            invokestatic io.netty.handler.codec.socksx.v5.Socks5ServerEncoder.encodePasswordAuthResponse:(Lio/netty/handler/codec/socksx/v5/Socks5PasswordAuthResponse;Lio/netty/buffer/ByteBuf;)V
         5: .line 67
            goto 10
      StackMap locals:
      StackMap stack:
         6: aload 2 /* msg */
            instanceof io.netty.handler.codec.socksx.v5.Socks5CommandResponse
            ifeq 9
         7: .line 68
            aload 0 /* this */
            aload 2 /* msg */
            checkcast io.netty.handler.codec.socksx.v5.Socks5CommandResponse
            aload 3 /* out */
            invokevirtual io.netty.handler.codec.socksx.v5.Socks5ServerEncoder.encodeCommandResponse:(Lio/netty/handler/codec/socksx/v5/Socks5CommandResponse;Lio/netty/buffer/ByteBuf;)V
         8: .line 69
            goto 10
         9: .line 70
      StackMap locals:
      StackMap stack:
            new io.netty.handler.codec.EncoderException
            dup
            new java.lang.StringBuilder
            dup
            ldc "unsupported message type: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 2 /* msg */
            invokestatic io.netty.util.internal.StringUtil.simpleClassName:(Ljava/lang/Object;)Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial io.netty.handler.codec.EncoderException.<init>:(Ljava/lang/String;)V
            athrow
        10: .line 72
      StackMap locals:
      StackMap stack:
            return
        end local 3 // io.netty.buffer.ByteBuf out
        end local 2 // io.netty.handler.codec.socksx.v5.Socks5Message msg
        end local 1 // io.netty.channel.ChannelHandlerContext ctx
        end local 0 // io.netty.handler.codec.socksx.v5.Socks5ServerEncoder this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   11     0  this  Lio/netty/handler/codec/socksx/v5/Socks5ServerEncoder;
            0   11     1   ctx  Lio/netty/channel/ChannelHandlerContext;
            0   11     2   msg  Lio/netty/handler/codec/socksx/v5/Socks5Message;
            0   11     3   out  Lio/netty/buffer/ByteBuf;
    Exceptions:
      throws java.lang.Exception
    MethodParameters:
      Name  Flags
      ctx   
      msg   
      out   

  private static void encodeAuthMethodResponse(io.netty.handler.codec.socksx.v5.Socks5InitialResponse, io.netty.buffer.ByteBuf);
    descriptor: (Lio/netty/handler/codec/socksx/v5/Socks5InitialResponse;Lio/netty/buffer/ByteBuf;)V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // io.netty.handler.codec.socksx.v5.Socks5InitialResponse msg
        start local 1 // io.netty.buffer.ByteBuf out
         0: .line 75
            aload 1 /* out */
            aload 0 /* msg */
            invokeinterface io.netty.handler.codec.socksx.v5.Socks5InitialResponse.version:()Lio/netty/handler/codec/socksx/SocksVersion;
            invokevirtual io.netty.handler.codec.socksx.SocksVersion.byteValue:()B
            invokevirtual io.netty.buffer.ByteBuf.writeByte:(I)Lio/netty/buffer/ByteBuf;
            pop
         1: .line 76
            aload 1 /* out */
            aload 0 /* msg */
            invokeinterface io.netty.handler.codec.socksx.v5.Socks5InitialResponse.authMethod:()Lio/netty/handler/codec/socksx/v5/Socks5AuthMethod;
            invokevirtual io.netty.handler.codec.socksx.v5.Socks5AuthMethod.byteValue:()B
            invokevirtual io.netty.buffer.ByteBuf.writeByte:(I)Lio/netty/buffer/ByteBuf;
            pop
         2: .line 77
            return
        end local 1 // io.netty.buffer.ByteBuf out
        end local 0 // io.netty.handler.codec.socksx.v5.Socks5InitialResponse msg
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0   msg  Lio/netty/handler/codec/socksx/v5/Socks5InitialResponse;
            0    3     1   out  Lio/netty/buffer/ByteBuf;
    MethodParameters:
      Name  Flags
      msg   
      out   

  private static void encodePasswordAuthResponse(io.netty.handler.codec.socksx.v5.Socks5PasswordAuthResponse, io.netty.buffer.ByteBuf);
    descriptor: (Lio/netty/handler/codec/socksx/v5/Socks5PasswordAuthResponse;Lio/netty/buffer/ByteBuf;)V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // io.netty.handler.codec.socksx.v5.Socks5PasswordAuthResponse msg
        start local 1 // io.netty.buffer.ByteBuf out
         0: .line 80
            aload 1 /* out */
            iconst_1
            invokevirtual io.netty.buffer.ByteBuf.writeByte:(I)Lio/netty/buffer/ByteBuf;
            pop
         1: .line 81
            aload 1 /* out */
            aload 0 /* msg */
            invokeinterface io.netty.handler.codec.socksx.v5.Socks5PasswordAuthResponse.status:()Lio/netty/handler/codec/socksx/v5/Socks5PasswordAuthStatus;
            invokevirtual io.netty.handler.codec.socksx.v5.Socks5PasswordAuthStatus.byteValue:()B
            invokevirtual io.netty.buffer.ByteBuf.writeByte:(I)Lio/netty/buffer/ByteBuf;
            pop
         2: .line 82
            return
        end local 1 // io.netty.buffer.ByteBuf out
        end local 0 // io.netty.handler.codec.socksx.v5.Socks5PasswordAuthResponse msg
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0   msg  Lio/netty/handler/codec/socksx/v5/Socks5PasswordAuthResponse;
            0    3     1   out  Lio/netty/buffer/ByteBuf;
    MethodParameters:
      Name  Flags
      msg   
      out   

  private void encodeCommandResponse(io.netty.handler.codec.socksx.v5.Socks5CommandResponse, io.netty.buffer.ByteBuf);
    descriptor: (Lio/netty/handler/codec/socksx/v5/Socks5CommandResponse;Lio/netty/buffer/ByteBuf;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=4, locals=4, args_size=3
        start local 0 // io.netty.handler.codec.socksx.v5.Socks5ServerEncoder this
        start local 1 // io.netty.handler.codec.socksx.v5.Socks5CommandResponse msg
        start local 2 // io.netty.buffer.ByteBuf out
         0: .line 85
            aload 2 /* out */
            aload 1 /* msg */
            invokeinterface io.netty.handler.codec.socksx.v5.Socks5CommandResponse.version:()Lio/netty/handler/codec/socksx/SocksVersion;
            invokevirtual io.netty.handler.codec.socksx.SocksVersion.byteValue:()B
            invokevirtual io.netty.buffer.ByteBuf.writeByte:(I)Lio/netty/buffer/ByteBuf;
            pop
         1: .line 86
            aload 2 /* out */
            aload 1 /* msg */
            invokeinterface io.netty.handler.codec.socksx.v5.Socks5CommandResponse.status:()Lio/netty/handler/codec/socksx/v5/Socks5CommandStatus;
            invokevirtual io.netty.handler.codec.socksx.v5.Socks5CommandStatus.byteValue:()B
            invokevirtual io.netty.buffer.ByteBuf.writeByte:(I)Lio/netty/buffer/ByteBuf;
            pop
         2: .line 87
            aload 2 /* out */
            iconst_0
            invokevirtual io.netty.buffer.ByteBuf.writeByte:(I)Lio/netty/buffer/ByteBuf;
            pop
         3: .line 89
            aload 1 /* msg */
            invokeinterface io.netty.handler.codec.socksx.v5.Socks5CommandResponse.bndAddrType:()Lio/netty/handler/codec/socksx/v5/Socks5AddressType;
            astore 3 /* bndAddrType */
        start local 3 // io.netty.handler.codec.socksx.v5.Socks5AddressType bndAddrType
         4: .line 90
            aload 2 /* out */
            aload 3 /* bndAddrType */
            invokevirtual io.netty.handler.codec.socksx.v5.Socks5AddressType.byteValue:()B
            invokevirtual io.netty.buffer.ByteBuf.writeByte:(I)Lio/netty/buffer/ByteBuf;
            pop
         5: .line 91
            aload 0 /* this */
            getfield io.netty.handler.codec.socksx.v5.Socks5ServerEncoder.addressEncoder:Lio/netty/handler/codec/socksx/v5/Socks5AddressEncoder;
            aload 3 /* bndAddrType */
            aload 1 /* msg */
            invokeinterface io.netty.handler.codec.socksx.v5.Socks5CommandResponse.bndAddr:()Ljava/lang/String;
            aload 2 /* out */
            invokeinterface io.netty.handler.codec.socksx.v5.Socks5AddressEncoder.encodeAddress:(Lio/netty/handler/codec/socksx/v5/Socks5AddressType;Ljava/lang/String;Lio/netty/buffer/ByteBuf;)V
         6: .line 93
            aload 2 /* out */
            aload 1 /* msg */
            invokeinterface io.netty.handler.codec.socksx.v5.Socks5CommandResponse.bndPort:()I
            invokevirtual io.netty.buffer.ByteBuf.writeShort:(I)Lio/netty/buffer/ByteBuf;
            pop
         7: .line 94
            return
        end local 3 // io.netty.handler.codec.socksx.v5.Socks5AddressType bndAddrType
        end local 2 // io.netty.buffer.ByteBuf out
        end local 1 // io.netty.handler.codec.socksx.v5.Socks5CommandResponse msg
        end local 0 // io.netty.handler.codec.socksx.v5.Socks5ServerEncoder this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    8     0         this  Lio/netty/handler/codec/socksx/v5/Socks5ServerEncoder;
            0    8     1          msg  Lio/netty/handler/codec/socksx/v5/Socks5CommandResponse;
            0    8     2          out  Lio/netty/buffer/ByteBuf;
            4    8     3  bndAddrType  Lio/netty/handler/codec/socksx/v5/Socks5AddressType;
    Exceptions:
      throws java.lang.Exception
    MethodParameters:
      Name  Flags
      msg   
      out   

  protected void encode(io.netty.channel.ChannelHandlerContext, java.lang.Object, io.netty.buffer.ByteBuf);
    descriptor: (Lio/netty/channel/ChannelHandlerContext;Ljava/lang/Object;Lio/netty/buffer/ByteBuf;)V
    flags: (0x1044) ACC_PROTECTED, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=4, locals=4, args_size=4
         0: .line 1
            aload 0
            aload 1
            aload 2
            checkcast io.netty.handler.codec.socksx.v5.Socks5Message
            aload 3
            invokevirtual io.netty.handler.codec.socksx.v5.Socks5ServerEncoder.encode:(Lio/netty/channel/ChannelHandlerContext;Lio/netty/handler/codec/socksx/v5/Socks5Message;Lio/netty/buffer/ByteBuf;)V
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature
    Exceptions:
      throws java.lang.Exception
}
Signature: Lio/netty/handler/codec/MessageToByteEncoder<Lio/netty/handler/codec/socksx/v5/Socks5Message;>;
SourceFile: "Socks5ServerEncoder.java"
InnerClasses:
  public abstract Sharable = io.netty.channel.ChannelHandler$Sharable of io.netty.channel.ChannelHandler
    RuntimeVisibleAnnotations: 
      io.netty.channel.ChannelHandler$Sharable()