public class io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtensionHandler extends io.netty.channel.ChannelDuplexHandler
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtensionHandler
  super_class: io.netty.channel.ChannelDuplexHandler
{
  private final java.util.List<io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtensionHandshaker> extensionHandshakers;
    descriptor: Ljava/util/List;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/List<Lio/netty/handler/codec/http/websocketx/extensions/WebSocketClientExtensionHandshaker;>;

  public void <init>(io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtensionHandshaker[]);
    descriptor: ([Lio/netty/handler/codec/http/websocketx/extensions/WebSocketClientExtensionHandshaker;)V
    flags: (0x0081) ACC_PUBLIC, ACC_VARARGS
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtensionHandler this
        start local 1 // io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtensionHandshaker[] extensionHandshakers
         0: .line 52
            aload 0 /* this */
            invokespecial io.netty.channel.ChannelDuplexHandler.<init>:()V
         1: .line 53
            aload 1 /* extensionHandshakers */
            ifnonnull 3
         2: .line 54
            new java.lang.NullPointerException
            dup
            ldc "extensionHandshakers"
            invokespecial java.lang.NullPointerException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 56
      StackMap locals: io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtensionHandler io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtensionHandshaker[]
      StackMap stack:
            aload 1 /* extensionHandshakers */
            arraylength
            ifne 5
         4: .line 57
            new java.lang.IllegalArgumentException
            dup
            ldc "extensionHandshakers must contains at least one handshaker"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         5: .line 59
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1 /* extensionHandshakers */
            invokestatic java.util.Arrays.asList:([Ljava/lang/Object;)Ljava/util/List;
            putfield io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtensionHandler.extensionHandshakers:Ljava/util/List;
         6: .line 60
            return
        end local 1 // io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtensionHandshaker[] extensionHandshakers
        end local 0 // io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtensionHandler this
      LocalVariableTable:
        Start  End  Slot                  Name  Signature
            0    7     0                  this  Lio/netty/handler/codec/http/websocketx/extensions/WebSocketClientExtensionHandler;
            0    7     1  extensionHandshakers  [Lio/netty/handler/codec/http/websocketx/extensions/WebSocketClientExtensionHandshaker;
    MethodParameters:
                      Name  Flags
      extensionHandshakers  

  public void write(io.netty.channel.ChannelHandlerContext, java.lang.Object, io.netty.channel.ChannelPromise);
    descriptor: (Lio/netty/channel/ChannelHandlerContext;Ljava/lang/Object;Lio/netty/channel/ChannelPromise;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=9, args_size=4
        start local 0 // io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtensionHandler this
        start local 1 // io.netty.channel.ChannelHandlerContext ctx
        start local 2 // java.lang.Object msg
        start local 3 // io.netty.channel.ChannelPromise promise
         0: .line 64
            aload 2 /* msg */
            instanceof io.netty.handler.codec.http.HttpRequest
            ifeq 11
            aload 2 /* msg */
            checkcast io.netty.handler.codec.http.HttpRequest
            invokeinterface io.netty.handler.codec.http.HttpRequest.headers:()Lio/netty/handler/codec/http/HttpHeaders;
            invokestatic io.netty.handler.codec.http.websocketx.extensions.WebSocketExtensionUtil.isWebsocketUpgrade:(Lio/netty/handler/codec/http/HttpHeaders;)Z
            ifeq 11
         1: .line 65
            aload 2 /* msg */
            checkcast io.netty.handler.codec.http.HttpRequest
            astore 4 /* request */
        start local 4 // io.netty.handler.codec.http.HttpRequest request
         2: .line 66
            aload 4 /* request */
            invokeinterface io.netty.handler.codec.http.HttpRequest.headers:()Lio/netty/handler/codec/http/HttpHeaders;
            getstatic io.netty.handler.codec.http.HttpHeaderNames.SEC_WEBSOCKET_EXTENSIONS:Lio/netty/util/AsciiString;
            invokevirtual io.netty.handler.codec.http.HttpHeaders.getAsString:(Ljava/lang/CharSequence;)Ljava/lang/String;
            astore 5 /* headerValue */
        start local 5 // java.lang.String headerValue
         3: .line 68
            aload 0 /* this */
            getfield io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtensionHandler.extensionHandshakers:Ljava/util/List;
            invokeinterface java.util.List.iterator:()Ljava/util/Iterator;
            astore 7
            goto 9
      StackMap locals: io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtensionHandler io.netty.channel.ChannelHandlerContext java.lang.Object io.netty.channel.ChannelPromise io.netty.handler.codec.http.HttpRequest java.lang.String top java.util.Iterator
      StackMap stack:
         4: aload 7
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtensionHandshaker
            astore 6 /* extensionHandshaker */
        start local 6 // io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtensionHandshaker extensionHandshaker
         5: .line 69
            aload 6 /* extensionHandshaker */
            invokeinterface io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtensionHandshaker.newRequestData:()Lio/netty/handler/codec/http/websocketx/extensions/WebSocketExtensionData;
            astore 8 /* extensionData */
        start local 8 // io.netty.handler.codec.http.websocketx.extensions.WebSocketExtensionData extensionData
         6: .line 70
            aload 5 /* headerValue */
         7: .line 71
            aload 8 /* extensionData */
            invokevirtual io.netty.handler.codec.http.websocketx.extensions.WebSocketExtensionData.name:()Ljava/lang/String;
            aload 8 /* extensionData */
            invokevirtual io.netty.handler.codec.http.websocketx.extensions.WebSocketExtensionData.parameters:()Ljava/util/Map;
         8: .line 70
            invokestatic io.netty.handler.codec.http.websocketx.extensions.WebSocketExtensionUtil.appendExtension:(Ljava/lang/String;Ljava/lang/String;Ljava/util/Map;)Ljava/lang/String;
            astore 5 /* headerValue */
        end local 8 // io.netty.handler.codec.http.websocketx.extensions.WebSocketExtensionData extensionData
        end local 6 // io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtensionHandshaker extensionHandshaker
         9: .line 68
      StackMap locals:
      StackMap stack:
            aload 7
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 4
        10: .line 74
            aload 4 /* request */
            invokeinterface io.netty.handler.codec.http.HttpRequest.headers:()Lio/netty/handler/codec/http/HttpHeaders;
            getstatic io.netty.handler.codec.http.HttpHeaderNames.SEC_WEBSOCKET_EXTENSIONS:Lio/netty/util/AsciiString;
            aload 5 /* headerValue */
            invokevirtual io.netty.handler.codec.http.HttpHeaders.set:(Ljava/lang/CharSequence;Ljava/lang/Object;)Lio/netty/handler/codec/http/HttpHeaders;
            pop
        end local 5 // java.lang.String headerValue
        end local 4 // io.netty.handler.codec.http.HttpRequest request
        11: .line 77
      StackMap locals: io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtensionHandler io.netty.channel.ChannelHandlerContext java.lang.Object io.netty.channel.ChannelPromise
      StackMap stack:
            aload 0 /* this */
            aload 1 /* ctx */
            aload 2 /* msg */
            aload 3 /* promise */
            invokespecial io.netty.channel.ChannelDuplexHandler.write:(Lio/netty/channel/ChannelHandlerContext;Ljava/lang/Object;Lio/netty/channel/ChannelPromise;)V
        12: .line 78
            return
        end local 3 // io.netty.channel.ChannelPromise promise
        end local 2 // java.lang.Object msg
        end local 1 // io.netty.channel.ChannelHandlerContext ctx
        end local 0 // io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtensionHandler this
      LocalVariableTable:
        Start  End  Slot                 Name  Signature
            0   13     0                 this  Lio/netty/handler/codec/http/websocketx/extensions/WebSocketClientExtensionHandler;
            0   13     1                  ctx  Lio/netty/channel/ChannelHandlerContext;
            0   13     2                  msg  Ljava/lang/Object;
            0   13     3              promise  Lio/netty/channel/ChannelPromise;
            2   11     4              request  Lio/netty/handler/codec/http/HttpRequest;
            3   11     5          headerValue  Ljava/lang/String;
            5    9     6  extensionHandshaker  Lio/netty/handler/codec/http/websocketx/extensions/WebSocketClientExtensionHandshaker;
            6    9     8        extensionData  Lio/netty/handler/codec/http/websocketx/extensions/WebSocketExtensionData;
    Exceptions:
      throws java.lang.Exception
    MethodParameters:
         Name  Flags
      ctx      final
      msg      
      promise  

  public void channelRead(io.netty.channel.ChannelHandlerContext, java.lang.Object);
    descriptor: (Lio/netty/channel/ChannelHandlerContext;Ljava/lang/Object;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=13, args_size=3
        start local 0 // io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtensionHandler this
        start local 1 // io.netty.channel.ChannelHandlerContext ctx
        start local 2 // java.lang.Object msg
         0: .line 83
            aload 2 /* msg */
            instanceof io.netty.handler.codec.http.HttpResponse
            ifeq 36
         1: .line 84
            aload 2 /* msg */
            checkcast io.netty.handler.codec.http.HttpResponse
            astore 3 /* response */
        start local 3 // io.netty.handler.codec.http.HttpResponse response
         2: .line 86
            aload 3 /* response */
            invokeinterface io.netty.handler.codec.http.HttpResponse.headers:()Lio/netty/handler/codec/http/HttpHeaders;
            invokestatic io.netty.handler.codec.http.websocketx.extensions.WebSocketExtensionUtil.isWebsocketUpgrade:(Lio/netty/handler/codec/http/HttpHeaders;)Z
            ifeq 36
         3: .line 87
            aload 3 /* response */
            invokeinterface io.netty.handler.codec.http.HttpResponse.headers:()Lio/netty/handler/codec/http/HttpHeaders;
            getstatic io.netty.handler.codec.http.HttpHeaderNames.SEC_WEBSOCKET_EXTENSIONS:Lio/netty/util/AsciiString;
            invokevirtual io.netty.handler.codec.http.HttpHeaders.getAsString:(Ljava/lang/CharSequence;)Ljava/lang/String;
            astore 4 /* extensionsHeader */
        start local 4 // java.lang.String extensionsHeader
         4: .line 89
            aload 4 /* extensionsHeader */
            ifnull 35
         5: .line 91
            aload 4 /* extensionsHeader */
            invokestatic io.netty.handler.codec.http.websocketx.extensions.WebSocketExtensionUtil.extractExtensions:(Ljava/lang/String;)Ljava/util/List;
         6: .line 90
            astore 5 /* extensions */
        start local 5 // java.util.List extensions
         7: .line 93
            new java.util.ArrayList
            dup
            aload 5 /* extensions */
            invokeinterface java.util.List.size:()I
            invokespecial java.util.ArrayList.<init>:(I)V
         8: .line 92
            astore 6 /* validExtensions */
        start local 6 // java.util.List validExtensions
         9: .line 94
            iconst_0
            istore 7 /* rsv */
        start local 7 // int rsv
        10: .line 96
            aload 5 /* extensions */
            invokeinterface java.util.List.iterator:()Ljava/util/Iterator;
            astore 9
            goto 27
      StackMap locals: io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtensionHandler io.netty.channel.ChannelHandlerContext java.lang.Object io.netty.handler.codec.http.HttpResponse java.lang.String java.util.List java.util.List int top java.util.Iterator
      StackMap stack:
        11: aload 9
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast io.netty.handler.codec.http.websocketx.extensions.WebSocketExtensionData
            astore 8 /* extensionData */
        start local 8 // io.netty.handler.codec.http.websocketx.extensions.WebSocketExtensionData extensionData
        12: .line 98
            aload 0 /* this */
            getfield io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtensionHandler.extensionHandshakers:Ljava/util/List;
            invokeinterface java.util.List.iterator:()Ljava/util/Iterator;
        13: .line 97
            astore 10 /* extensionHandshakersIterator */
        start local 10 // java.util.Iterator extensionHandshakersIterator
        14: .line 99
            aconst_null
            astore 11 /* validExtension */
        start local 11 // io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtension validExtension
        15: .line 101
            goto 19
        16: .line 103
      StackMap locals: io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtensionHandler io.netty.channel.ChannelHandlerContext java.lang.Object io.netty.handler.codec.http.HttpResponse java.lang.String java.util.List java.util.List int io.netty.handler.codec.http.websocketx.extensions.WebSocketExtensionData java.util.Iterator java.util.Iterator io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtension
      StackMap stack:
            aload 10 /* extensionHandshakersIterator */
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtensionHandshaker
        17: .line 102
            astore 12 /* extensionHandshaker */
        start local 12 // io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtensionHandshaker extensionHandshaker
        18: .line 104
            aload 12 /* extensionHandshaker */
            aload 8 /* extensionData */
            invokeinterface io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtensionHandshaker.handshakeExtension:(Lio/netty/handler/codec/http/websocketx/extensions/WebSocketExtensionData;)Lio/netty/handler/codec/http/websocketx/extensions/WebSocketClientExtension;
            astore 11 /* validExtension */
        end local 12 // io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtensionHandshaker extensionHandshaker
        19: .line 101
      StackMap locals:
      StackMap stack:
            aload 11 /* validExtension */
            ifnonnull 20
            aload 10 /* extensionHandshakersIterator */
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 16
        20: .line 107
      StackMap locals:
      StackMap stack:
            aload 11 /* validExtension */
            ifnull 24
            aload 11 /* validExtension */
            invokeinterface io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtension.rsv:()I
            iload 7 /* rsv */
            iand
            ifne 24
        21: .line 108
            iload 7 /* rsv */
            aload 11 /* validExtension */
            invokeinterface io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtension.rsv:()I
            ior
            istore 7 /* rsv */
        22: .line 109
            aload 6 /* validExtensions */
            aload 11 /* validExtension */
            invokeinterface java.util.List.add:(Ljava/lang/Object;)Z
            pop
        23: .line 110
            goto 27
        24: .line 111
      StackMap locals:
      StackMap stack:
            new io.netty.handler.codec.CodecException
            dup
        25: .line 112
            new java.lang.StringBuilder
            dup
            ldc "invalid WebSocket Extension handshake for \""
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 4 /* extensionsHeader */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            bipush 34
            invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
        26: .line 111
            invokespecial io.netty.handler.codec.CodecException.<init>:(Ljava/lang/String;)V
            athrow
        end local 11 // io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtension validExtension
        end local 10 // java.util.Iterator extensionHandshakersIterator
        end local 8 // io.netty.handler.codec.http.websocketx.extensions.WebSocketExtensionData extensionData
        27: .line 96
      StackMap locals: io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtensionHandler io.netty.channel.ChannelHandlerContext java.lang.Object io.netty.handler.codec.http.HttpResponse java.lang.String java.util.List java.util.List int top java.util.Iterator
      StackMap stack:
            aload 9
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 11
        28: .line 116
            aload 6 /* validExtensions */
            invokeinterface java.util.List.iterator:()Ljava/util/Iterator;
            astore 9
            goto 34
      StackMap locals:
      StackMap stack:
        29: aload 9
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtension
            astore 8 /* validExtension */
        start local 8 // io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtension validExtension
        30: .line 117
            aload 8 /* validExtension */
            invokeinterface io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtension.newExtensionDecoder:()Lio/netty/handler/codec/http/websocketx/extensions/WebSocketExtensionDecoder;
            astore 10 /* decoder */
        start local 10 // io.netty.handler.codec.http.websocketx.extensions.WebSocketExtensionDecoder decoder
        31: .line 118
            aload 8 /* validExtension */
            invokeinterface io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtension.newExtensionEncoder:()Lio/netty/handler/codec/http/websocketx/extensions/WebSocketExtensionEncoder;
            astore 11 /* encoder */
        start local 11 // io.netty.handler.codec.http.websocketx.extensions.WebSocketExtensionEncoder encoder
        32: .line 119
            aload 1 /* ctx */
            invokeinterface io.netty.channel.ChannelHandlerContext.pipeline:()Lio/netty/channel/ChannelPipeline;
            aload 1 /* ctx */
            invokeinterface io.netty.channel.ChannelHandlerContext.name:()Ljava/lang/String;
            aload 10 /* decoder */
            invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
            invokevirtual java.lang.Class.getName:()Ljava/lang/String;
            aload 10 /* decoder */
            invokeinterface io.netty.channel.ChannelPipeline.addAfter:(Ljava/lang/String;Ljava/lang/String;Lio/netty/channel/ChannelHandler;)Lio/netty/channel/ChannelPipeline;
            pop
        33: .line 120
            aload 1 /* ctx */
            invokeinterface io.netty.channel.ChannelHandlerContext.pipeline:()Lio/netty/channel/ChannelPipeline;
            aload 1 /* ctx */
            invokeinterface io.netty.channel.ChannelHandlerContext.name:()Ljava/lang/String;
            aload 11 /* encoder */
            invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
            invokevirtual java.lang.Class.getName:()Ljava/lang/String;
            aload 11 /* encoder */
            invokeinterface io.netty.channel.ChannelPipeline.addAfter:(Ljava/lang/String;Ljava/lang/String;Lio/netty/channel/ChannelHandler;)Lio/netty/channel/ChannelPipeline;
            pop
        end local 11 // io.netty.handler.codec.http.websocketx.extensions.WebSocketExtensionEncoder encoder
        end local 10 // io.netty.handler.codec.http.websocketx.extensions.WebSocketExtensionDecoder decoder
        end local 8 // io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtension validExtension
        34: .line 116
      StackMap locals:
      StackMap stack:
            aload 9
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 29
        end local 7 // int rsv
        end local 6 // java.util.List validExtensions
        end local 5 // java.util.List extensions
        35: .line 124
      StackMap locals: io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtensionHandler io.netty.channel.ChannelHandlerContext java.lang.Object io.netty.handler.codec.http.HttpResponse java.lang.String
      StackMap stack:
            aload 1 /* ctx */
            invokeinterface io.netty.channel.ChannelHandlerContext.pipeline:()Lio/netty/channel/ChannelPipeline;
            aload 1 /* ctx */
            invokeinterface io.netty.channel.ChannelHandlerContext.name:()Ljava/lang/String;
            invokeinterface io.netty.channel.ChannelPipeline.remove:(Ljava/lang/String;)Lio/netty/channel/ChannelHandler;
            pop
        end local 4 // java.lang.String extensionsHeader
        end local 3 // io.netty.handler.codec.http.HttpResponse response
        36: .line 128
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1 /* ctx */
            aload 2 /* msg */
            invokespecial io.netty.channel.ChannelDuplexHandler.channelRead:(Lio/netty/channel/ChannelHandlerContext;Ljava/lang/Object;)V
        37: .line 129
            return
        end local 2 // java.lang.Object msg
        end local 1 // io.netty.channel.ChannelHandlerContext ctx
        end local 0 // io.netty.handler.codec.http.websocketx.extensions.WebSocketClientExtensionHandler this
      LocalVariableTable:
        Start  End  Slot                          Name  Signature
            0   38     0                          this  Lio/netty/handler/codec/http/websocketx/extensions/WebSocketClientExtensionHandler;
            0   38     1                           ctx  Lio/netty/channel/ChannelHandlerContext;
            0   38     2                           msg  Ljava/lang/Object;
            2   36     3                      response  Lio/netty/handler/codec/http/HttpResponse;
            4   36     4              extensionsHeader  Ljava/lang/String;
            7   35     5                    extensions  Ljava/util/List<Lio/netty/handler/codec/http/websocketx/extensions/WebSocketExtensionData;>;
            9   35     6               validExtensions  Ljava/util/List<Lio/netty/handler/codec/http/websocketx/extensions/WebSocketClientExtension;>;
           10   35     7                           rsv  I
           12   27     8                 extensionData  Lio/netty/handler/codec/http/websocketx/extensions/WebSocketExtensionData;
           14   27    10  extensionHandshakersIterator  Ljava/util/Iterator<Lio/netty/handler/codec/http/websocketx/extensions/WebSocketClientExtensionHandshaker;>;
           15   27    11                validExtension  Lio/netty/handler/codec/http/websocketx/extensions/WebSocketClientExtension;
           18   19    12           extensionHandshaker  Lio/netty/handler/codec/http/websocketx/extensions/WebSocketClientExtensionHandshaker;
           30   34     8                validExtension  Lio/netty/handler/codec/http/websocketx/extensions/WebSocketClientExtension;
           31   34    10                       decoder  Lio/netty/handler/codec/http/websocketx/extensions/WebSocketExtensionDecoder;
           32   34    11                       encoder  Lio/netty/handler/codec/http/websocketx/extensions/WebSocketExtensionEncoder;
    Exceptions:
      throws java.lang.Exception
    MethodParameters:
      Name  Flags
      ctx   
      msg   
}
SourceFile: "WebSocketClientExtensionHandler.java"