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.extensions.compression.WebSocketServerCompressionHandler extends io.netty.handler.codec.http.websocketx.extensions.WebSocketServerExtensionHandler
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: io.netty.handler.codec.http.websocketx.extensions.compression.WebSocketServerCompressionHandler
  super_class: io.netty.handler.codec.http.websocketx.extensions.WebSocketServerExtensionHandler
{
  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=1, args_size=1
        start local 0 // io.netty.handler.codec.http.websocketx.extensions.compression.WebSocketServerCompressionHandler this
         0: .line 32
            aload 0 /* this */
            iconst_2
            anewarray io.netty.handler.codec.http.websocketx.extensions.WebSocketServerExtensionHandshaker
            dup
            iconst_0
            new io.netty.handler.codec.http.websocketx.extensions.compression.PerMessageDeflateServerExtensionHandshaker
            dup
            invokespecial io.netty.handler.codec.http.websocketx.extensions.compression.PerMessageDeflateServerExtensionHandshaker.<init>:()V
            aastore
            dup
            iconst_1
         1: .line 33
            new io.netty.handler.codec.http.websocketx.extensions.compression.DeflateFrameServerExtensionHandshaker
            dup
            invokespecial io.netty.handler.codec.http.websocketx.extensions.compression.DeflateFrameServerExtensionHandshaker.<init>:()V
            aastore
            invokespecial io.netty.handler.codec.http.websocketx.extensions.WebSocketServerExtensionHandler.<init>:([Lio/netty/handler/codec/http/websocketx/extensions/WebSocketServerExtensionHandshaker;)V
         2: .line 34
            return
        end local 0 // io.netty.handler.codec.http.websocketx.extensions.compression.WebSocketServerCompressionHandler this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lio/netty/handler/codec/http/websocketx/extensions/compression/WebSocketServerCompressionHandler;
}
SourceFile: "WebSocketServerCompressionHandler.java"