public class io.netty.handler.codec.http2.Http2ClientUpgradeCodec implements io.netty.handler.codec.http.HttpClientUpgradeHandler$UpgradeCodec
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: io.netty.handler.codec.http2.Http2ClientUpgradeCodec
  super_class: java.lang.Object
{
  private static final java.util.List<java.lang.CharSequence> UPGRADE_HEADERS;
    descriptor: Ljava/util/List;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    Signature: Ljava/util/List<Ljava/lang/CharSequence;>;

  private final java.lang.String handlerName;
    descriptor: Ljava/lang/String;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final io.netty.handler.codec.http2.Http2ConnectionHandler connectionHandler;
    descriptor: Lio/netty/handler/codec/http2/Http2ConnectionHandler;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final io.netty.channel.ChannelHandler upgradeToHandler;
    descriptor: Lio/netty/channel/ChannelHandler;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 45
            getstatic io.netty.handler.codec.http2.Http2CodecUtil.HTTP_UPGRADE_SETTINGS_HEADER:Ljava/lang/CharSequence;
            invokestatic java.util.Collections.singletonList:(Ljava/lang/Object;)Ljava/util/List;
            putstatic io.netty.handler.codec.http2.Http2ClientUpgradeCodec.UPGRADE_HEADERS:Ljava/util/List;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>(io.netty.handler.codec.http2.Http2FrameCodec, io.netty.channel.ChannelHandler);
    descriptor: (Lio/netty/handler/codec/http2/Http2FrameCodec;Lio/netty/channel/ChannelHandler;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // io.netty.handler.codec.http2.Http2ClientUpgradeCodec this
        start local 1 // io.netty.handler.codec.http2.Http2FrameCodec frameCodec
        start local 2 // io.netty.channel.ChannelHandler upgradeToHandler
         0: .line 52
            aload 0 /* this */
            aconst_null
            aload 1 /* frameCodec */
            aload 2 /* upgradeToHandler */
            invokespecial io.netty.handler.codec.http2.Http2ClientUpgradeCodec.<init>:(Ljava/lang/String;Lio/netty/handler/codec/http2/Http2FrameCodec;Lio/netty/channel/ChannelHandler;)V
         1: .line 53
            return
        end local 2 // io.netty.channel.ChannelHandler upgradeToHandler
        end local 1 // io.netty.handler.codec.http2.Http2FrameCodec frameCodec
        end local 0 // io.netty.handler.codec.http2.Http2ClientUpgradeCodec this
      LocalVariableTable:
        Start  End  Slot              Name  Signature
            0    2     0              this  Lio/netty/handler/codec/http2/Http2ClientUpgradeCodec;
            0    2     1        frameCodec  Lio/netty/handler/codec/http2/Http2FrameCodec;
            0    2     2  upgradeToHandler  Lio/netty/channel/ChannelHandler;
    MethodParameters:
                  Name  Flags
      frameCodec        
      upgradeToHandler  

  public void <init>(java.lang.String, io.netty.handler.codec.http2.Http2FrameCodec, io.netty.channel.ChannelHandler);
    descriptor: (Ljava/lang/String;Lio/netty/handler/codec/http2/Http2FrameCodec;Lio/netty/channel/ChannelHandler;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=4, args_size=4
        start local 0 // io.netty.handler.codec.http2.Http2ClientUpgradeCodec this
        start local 1 // java.lang.String handlerName
        start local 2 // io.netty.handler.codec.http2.Http2FrameCodec frameCodec
        start local 3 // io.netty.channel.ChannelHandler upgradeToHandler
         0: .line 56
            aload 0 /* this */
            aload 1 /* handlerName */
            aload 2 /* frameCodec */
            aload 3 /* upgradeToHandler */
            invokespecial io.netty.handler.codec.http2.Http2ClientUpgradeCodec.<init>:(Ljava/lang/String;Lio/netty/handler/codec/http2/Http2ConnectionHandler;Lio/netty/channel/ChannelHandler;)V
         1: .line 57
            return
        end local 3 // io.netty.channel.ChannelHandler upgradeToHandler
        end local 2 // io.netty.handler.codec.http2.Http2FrameCodec frameCodec
        end local 1 // java.lang.String handlerName
        end local 0 // io.netty.handler.codec.http2.Http2ClientUpgradeCodec this
      LocalVariableTable:
        Start  End  Slot              Name  Signature
            0    2     0              this  Lio/netty/handler/codec/http2/Http2ClientUpgradeCodec;
            0    2     1       handlerName  Ljava/lang/String;
            0    2     2        frameCodec  Lio/netty/handler/codec/http2/Http2FrameCodec;
            0    2     3  upgradeToHandler  Lio/netty/channel/ChannelHandler;
    MethodParameters:
                  Name  Flags
      handlerName       
      frameCodec        
      upgradeToHandler  

  public void <init>(io.netty.handler.codec.http2.Http2ConnectionHandler);
    descriptor: (Lio/netty/handler/codec/http2/Http2ConnectionHandler;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // io.netty.handler.codec.http2.Http2ClientUpgradeCodec this
        start local 1 // io.netty.handler.codec.http2.Http2ConnectionHandler connectionHandler
         0: .line 66
            aload 0 /* this */
            aconst_null
            aload 1 /* connectionHandler */
            invokespecial io.netty.handler.codec.http2.Http2ClientUpgradeCodec.<init>:(Ljava/lang/String;Lio/netty/handler/codec/http2/Http2ConnectionHandler;)V
         1: .line 67
            return
        end local 1 // io.netty.handler.codec.http2.Http2ConnectionHandler connectionHandler
        end local 0 // io.netty.handler.codec.http2.Http2ClientUpgradeCodec this
      LocalVariableTable:
        Start  End  Slot               Name  Signature
            0    2     0               this  Lio/netty/handler/codec/http2/Http2ClientUpgradeCodec;
            0    2     1  connectionHandler  Lio/netty/handler/codec/http2/Http2ConnectionHandler;
    MethodParameters:
                   Name  Flags
      connectionHandler  

  public void <init>(java.lang.String, io.netty.handler.codec.http2.Http2ConnectionHandler);
    descriptor: (Ljava/lang/String;Lio/netty/handler/codec/http2/Http2ConnectionHandler;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // io.netty.handler.codec.http2.Http2ClientUpgradeCodec this
        start local 1 // java.lang.String handlerName
        start local 2 // io.netty.handler.codec.http2.Http2ConnectionHandler connectionHandler
         0: .line 77
            aload 0 /* this */
            aload 1 /* handlerName */
            aload 2 /* connectionHandler */
            aload 2 /* connectionHandler */
            invokespecial io.netty.handler.codec.http2.Http2ClientUpgradeCodec.<init>:(Ljava/lang/String;Lio/netty/handler/codec/http2/Http2ConnectionHandler;Lio/netty/channel/ChannelHandler;)V
         1: .line 78
            return
        end local 2 // io.netty.handler.codec.http2.Http2ConnectionHandler connectionHandler
        end local 1 // java.lang.String handlerName
        end local 0 // io.netty.handler.codec.http2.Http2ClientUpgradeCodec this
      LocalVariableTable:
        Start  End  Slot               Name  Signature
            0    2     0               this  Lio/netty/handler/codec/http2/Http2ClientUpgradeCodec;
            0    2     1        handlerName  Ljava/lang/String;
            0    2     2  connectionHandler  Lio/netty/handler/codec/http2/Http2ConnectionHandler;
    MethodParameters:
                   Name  Flags
      handlerName        
      connectionHandler  

  private void <init>(java.lang.String, io.netty.handler.codec.http2.Http2ConnectionHandler, io.netty.channel.ChannelHandler);
    descriptor: (Ljava/lang/String;Lio/netty/handler/codec/http2/Http2ConnectionHandler;Lio/netty/channel/ChannelHandler;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=4, args_size=4
        start local 0 // io.netty.handler.codec.http2.Http2ClientUpgradeCodec this
        start local 1 // java.lang.String handlerName
        start local 2 // io.netty.handler.codec.http2.Http2ConnectionHandler connectionHandler
        start local 3 // io.netty.channel.ChannelHandler upgradeToHandler
         0: .line 80
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 82
            aload 0 /* this */
            aload 1 /* handlerName */
            putfield io.netty.handler.codec.http2.Http2ClientUpgradeCodec.handlerName:Ljava/lang/String;
         2: .line 83
            aload 0 /* this */
            aload 2 /* connectionHandler */
            ldc "connectionHandler"
            invokestatic io.netty.util.internal.ObjectUtil.checkNotNull:(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/Object;
            checkcast io.netty.handler.codec.http2.Http2ConnectionHandler
            putfield io.netty.handler.codec.http2.Http2ClientUpgradeCodec.connectionHandler:Lio/netty/handler/codec/http2/Http2ConnectionHandler;
         3: .line 84
            aload 0 /* this */
            aload 3 /* upgradeToHandler */
            ldc "upgradeToHandler"
            invokestatic io.netty.util.internal.ObjectUtil.checkNotNull:(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/Object;
            checkcast io.netty.channel.ChannelHandler
            putfield io.netty.handler.codec.http2.Http2ClientUpgradeCodec.upgradeToHandler:Lio/netty/channel/ChannelHandler;
         4: .line 85
            return
        end local 3 // io.netty.channel.ChannelHandler upgradeToHandler
        end local 2 // io.netty.handler.codec.http2.Http2ConnectionHandler connectionHandler
        end local 1 // java.lang.String handlerName
        end local 0 // io.netty.handler.codec.http2.Http2ClientUpgradeCodec this
      LocalVariableTable:
        Start  End  Slot               Name  Signature
            0    5     0               this  Lio/netty/handler/codec/http2/Http2ClientUpgradeCodec;
            0    5     1        handlerName  Ljava/lang/String;
            0    5     2  connectionHandler  Lio/netty/handler/codec/http2/Http2ConnectionHandler;
            0    5     3   upgradeToHandler  Lio/netty/channel/ChannelHandler;
    MethodParameters:
                   Name  Flags
      handlerName        
      connectionHandler  
      upgradeToHandler   

  public java.lang.CharSequence protocol();
    descriptor: ()Ljava/lang/CharSequence;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.handler.codec.http2.Http2ClientUpgradeCodec this
         0: .line 89
            getstatic io.netty.handler.codec.http2.Http2CodecUtil.HTTP_UPGRADE_PROTOCOL_NAME:Ljava/lang/CharSequence;
            areturn
        end local 0 // io.netty.handler.codec.http2.Http2ClientUpgradeCodec this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/codec/http2/Http2ClientUpgradeCodec;

  public java.util.Collection<java.lang.CharSequence> setUpgradeHeaders(io.netty.channel.ChannelHandlerContext, io.netty.handler.codec.http.HttpRequest);
    descriptor: (Lio/netty/channel/ChannelHandlerContext;Lio/netty/handler/codec/http/HttpRequest;)Ljava/util/Collection;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=4, args_size=3
        start local 0 // io.netty.handler.codec.http2.Http2ClientUpgradeCodec this
        start local 1 // io.netty.channel.ChannelHandlerContext ctx
        start local 2 // io.netty.handler.codec.http.HttpRequest upgradeRequest
         0: .line 95
            aload 0 /* this */
            aload 1 /* ctx */
            invokevirtual io.netty.handler.codec.http2.Http2ClientUpgradeCodec.getSettingsHeaderValue:(Lio/netty/channel/ChannelHandlerContext;)Ljava/lang/CharSequence;
            astore 3 /* settingsValue */
        start local 3 // java.lang.CharSequence settingsValue
         1: .line 96
            aload 2 /* upgradeRequest */
            invokeinterface io.netty.handler.codec.http.HttpRequest.headers:()Lio/netty/handler/codec/http/HttpHeaders;
            getstatic io.netty.handler.codec.http2.Http2CodecUtil.HTTP_UPGRADE_SETTINGS_HEADER:Ljava/lang/CharSequence;
            aload 3 /* settingsValue */
            invokevirtual io.netty.handler.codec.http.HttpHeaders.set:(Ljava/lang/CharSequence;Ljava/lang/Object;)Lio/netty/handler/codec/http/HttpHeaders;
            pop
         2: .line 97
            getstatic io.netty.handler.codec.http2.Http2ClientUpgradeCodec.UPGRADE_HEADERS:Ljava/util/List;
            areturn
        end local 3 // java.lang.CharSequence settingsValue
        end local 2 // io.netty.handler.codec.http.HttpRequest upgradeRequest
        end local 1 // io.netty.channel.ChannelHandlerContext ctx
        end local 0 // io.netty.handler.codec.http2.Http2ClientUpgradeCodec this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0    3     0            this  Lio/netty/handler/codec/http2/Http2ClientUpgradeCodec;
            0    3     1             ctx  Lio/netty/channel/ChannelHandlerContext;
            0    3     2  upgradeRequest  Lio/netty/handler/codec/http/HttpRequest;
            1    3     3   settingsValue  Ljava/lang/CharSequence;
    Signature: (Lio/netty/channel/ChannelHandlerContext;Lio/netty/handler/codec/http/HttpRequest;)Ljava/util/Collection<Ljava/lang/CharSequence;>;
    MethodParameters:
                Name  Flags
      ctx             
      upgradeRequest  

  public void upgradeTo(io.netty.channel.ChannelHandlerContext, io.netty.handler.codec.http.FullHttpResponse);
    descriptor: (Lio/netty/channel/ChannelHandlerContext;Lio/netty/handler/codec/http/FullHttpResponse;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // io.netty.handler.codec.http2.Http2ClientUpgradeCodec this
        start local 1 // io.netty.channel.ChannelHandlerContext ctx
        start local 2 // io.netty.handler.codec.http.FullHttpResponse upgradeResponse
         0: .line 104
            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 0 /* this */
            getfield io.netty.handler.codec.http2.Http2ClientUpgradeCodec.handlerName:Ljava/lang/String;
            aload 0 /* this */
            getfield io.netty.handler.codec.http2.Http2ClientUpgradeCodec.upgradeToHandler:Lio/netty/channel/ChannelHandler;
            invokeinterface io.netty.channel.ChannelPipeline.addAfter:(Ljava/lang/String;Ljava/lang/String;Lio/netty/channel/ChannelHandler;)Lio/netty/channel/ChannelPipeline;
            pop
         1: .line 107
            aload 0 /* this */
            getfield io.netty.handler.codec.http2.Http2ClientUpgradeCodec.connectionHandler:Lio/netty/handler/codec/http2/Http2ConnectionHandler;
            invokevirtual io.netty.handler.codec.http2.Http2ConnectionHandler.onHttpClientUpgrade:()V
         2: .line 108
            return
        end local 2 // io.netty.handler.codec.http.FullHttpResponse upgradeResponse
        end local 1 // io.netty.channel.ChannelHandlerContext ctx
        end local 0 // io.netty.handler.codec.http2.Http2ClientUpgradeCodec this
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0    3     0             this  Lio/netty/handler/codec/http2/Http2ClientUpgradeCodec;
            0    3     1              ctx  Lio/netty/channel/ChannelHandlerContext;
            0    3     2  upgradeResponse  Lio/netty/handler/codec/http/FullHttpResponse;
    Exceptions:
      throws java.lang.Exception
    MethodParameters:
                 Name  Flags
      ctx              
      upgradeResponse  

  private java.lang.CharSequence getSettingsHeaderValue(io.netty.channel.ChannelHandlerContext);
    descriptor: (Lio/netty/channel/ChannelHandlerContext;)Ljava/lang/CharSequence;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=10, args_size=2
        start local 0 // io.netty.handler.codec.http2.Http2ClientUpgradeCodec this
        start local 1 // io.netty.channel.ChannelHandlerContext ctx
         0: .line 115
            aconst_null
            astore 2 /* buf */
        start local 2 // io.netty.buffer.ByteBuf buf
         1: .line 116
            aconst_null
            astore 3 /* encodedBuf */
        start local 3 // io.netty.buffer.ByteBuf encodedBuf
         2: .line 119
            aload 0 /* this */
            getfield io.netty.handler.codec.http2.Http2ClientUpgradeCodec.connectionHandler:Lio/netty/handler/codec/http2/Http2ConnectionHandler;
            invokevirtual io.netty.handler.codec.http2.Http2ConnectionHandler.decoder:()Lio/netty/handler/codec/http2/Http2ConnectionDecoder;
            invokeinterface io.netty.handler.codec.http2.Http2ConnectionDecoder.localSettings:()Lio/netty/handler/codec/http2/Http2Settings;
            astore 4 /* settings */
        start local 4 // io.netty.handler.codec.http2.Http2Settings settings
         3: .line 122
            bipush 6
            aload 4 /* settings */
            invokevirtual io.netty.handler.codec.http2.Http2Settings.size:()I
            imul
            istore 5 /* payloadLength */
        start local 5 // int payloadLength
         4: .line 123
            aload 1 /* ctx */
            invokeinterface io.netty.channel.ChannelHandlerContext.alloc:()Lio/netty/buffer/ByteBufAllocator;
            iload 5 /* payloadLength */
            invokeinterface io.netty.buffer.ByteBufAllocator.buffer:(I)Lio/netty/buffer/ByteBuf;
            astore 2 /* buf */
         5: .line 124
            aload 4 /* settings */
            invokevirtual io.netty.handler.codec.http2.Http2Settings.entries:()Ljava/lang/Iterable;
            invokeinterface java.lang.Iterable.iterator:()Ljava/util/Iterator;
            astore 7
            goto 9
      StackMap locals: io.netty.handler.codec.http2.Http2ClientUpgradeCodec io.netty.channel.ChannelHandlerContext io.netty.buffer.ByteBuf io.netty.buffer.ByteBuf io.netty.handler.codec.http2.Http2Settings int top java.util.Iterator
      StackMap stack:
         6: aload 7
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast io.netty.util.collection.CharObjectMap$PrimitiveEntry
            astore 6 /* entry */
        start local 6 // io.netty.util.collection.CharObjectMap$PrimitiveEntry entry
         7: .line 125
            aload 2 /* buf */
            aload 6 /* entry */
            invokeinterface io.netty.util.collection.CharObjectMap$PrimitiveEntry.key:()C
            invokevirtual io.netty.buffer.ByteBuf.writeChar:(I)Lio/netty/buffer/ByteBuf;
            pop
         8: .line 126
            aload 2 /* buf */
            aload 6 /* entry */
            invokeinterface io.netty.util.collection.CharObjectMap$PrimitiveEntry.value:()Ljava/lang/Object;
            checkcast java.lang.Long
            invokevirtual java.lang.Long.intValue:()I
            invokevirtual io.netty.buffer.ByteBuf.writeInt:(I)Lio/netty/buffer/ByteBuf;
            pop
        end local 6 // io.netty.util.collection.CharObjectMap$PrimitiveEntry entry
         9: .line 124
      StackMap locals:
      StackMap stack:
            aload 7
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 6
        10: .line 130
            aload 2 /* buf */
            getstatic io.netty.handler.codec.base64.Base64Dialect.URL_SAFE:Lio/netty/handler/codec/base64/Base64Dialect;
            invokestatic io.netty.handler.codec.base64.Base64.encode:(Lio/netty/buffer/ByteBuf;Lio/netty/handler/codec/base64/Base64Dialect;)Lio/netty/buffer/ByteBuf;
            astore 3 /* encodedBuf */
        11: .line 131
            aload 3 /* encodedBuf */
            getstatic io.netty.util.CharsetUtil.UTF_8:Ljava/nio/charset/Charset;
            invokevirtual io.netty.buffer.ByteBuf.toString:(Ljava/nio/charset/Charset;)Ljava/lang/String;
            astore 9
        12: .line 133
            aload 2 /* buf */
            invokestatic io.netty.util.ReferenceCountUtil.release:(Ljava/lang/Object;)Z
            pop
        13: .line 134
            aload 3 /* encodedBuf */
            invokestatic io.netty.util.ReferenceCountUtil.release:(Ljava/lang/Object;)Z
            pop
        14: .line 131
            aload 9
            areturn
        end local 5 // int payloadLength
        end local 4 // io.netty.handler.codec.http2.Http2Settings settings
        15: .line 132
      StackMap locals: io.netty.handler.codec.http2.Http2ClientUpgradeCodec io.netty.channel.ChannelHandlerContext io.netty.buffer.ByteBuf io.netty.buffer.ByteBuf
      StackMap stack: java.lang.Throwable
            astore 8
        16: .line 133
            aload 2 /* buf */
            invokestatic io.netty.util.ReferenceCountUtil.release:(Ljava/lang/Object;)Z
            pop
        17: .line 134
            aload 3 /* encodedBuf */
            invokestatic io.netty.util.ReferenceCountUtil.release:(Ljava/lang/Object;)Z
            pop
        18: .line 135
            aload 8
            athrow
        end local 3 // io.netty.buffer.ByteBuf encodedBuf
        end local 2 // io.netty.buffer.ByteBuf buf
        end local 1 // io.netty.channel.ChannelHandlerContext ctx
        end local 0 // io.netty.handler.codec.http2.Http2ClientUpgradeCodec this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0   19     0           this  Lio/netty/handler/codec/http2/Http2ClientUpgradeCodec;
            0   19     1            ctx  Lio/netty/channel/ChannelHandlerContext;
            1   19     2            buf  Lio/netty/buffer/ByteBuf;
            2   19     3     encodedBuf  Lio/netty/buffer/ByteBuf;
            3   15     4       settings  Lio/netty/handler/codec/http2/Http2Settings;
            4   15     5  payloadLength  I
            7    9     6          entry  Lio/netty/util/collection/CharObjectMap$PrimitiveEntry<Ljava/lang/Long;>;
      Exception table:
        from    to  target  type
           2    12      15  any
    MethodParameters:
      Name  Flags
      ctx   
}
SourceFile: "Http2ClientUpgradeCodec.java"
InnerClasses:
  public abstract UpgradeCodec = io.netty.handler.codec.http.HttpClientUpgradeHandler$UpgradeCodec of io.netty.handler.codec.http.HttpClientUpgradeHandler
  public abstract PrimitiveEntry = io.netty.util.collection.CharObjectMap$PrimitiveEntry of io.netty.util.collection.CharObjectMap