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.http.websocketx.WebSocket13FrameEncoder extends io.netty.handler.codec.http.websocketx.WebSocket08FrameEncoder
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: io.netty.handler.codec.http.websocketx.WebSocket13FrameEncoder
  super_class: io.netty.handler.codec.http.websocketx.WebSocket08FrameEncoder
{
  public void <init>(boolean);
    descriptor: (Z)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // io.netty.handler.codec.http.websocketx.WebSocket13FrameEncoder this
        start local 1 // boolean maskPayload
         0: .line 71
            aload 0 /* this */
            iload 1 /* maskPayload */
            invokespecial io.netty.handler.codec.http.websocketx.WebSocket08FrameEncoder.<init>:(Z)V
         1: .line 72
            return
        end local 1 // boolean maskPayload
        end local 0 // io.netty.handler.codec.http.websocketx.WebSocket13FrameEncoder this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    2     0         this  Lio/netty/handler/codec/http/websocketx/WebSocket13FrameEncoder;
            0    2     1  maskPayload  Z
    MethodParameters:
             Name  Flags
      maskPayload  
}
SourceFile: "WebSocket13FrameEncoder.java"