public class io.vertx.core.http.impl.VertxHttp2ClientUpgradeCodec implements io.netty.handler.codec.http.HttpClientUpgradeHandler$UpgradeCodec
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: io.vertx.core.http.impl.VertxHttp2ClientUpgradeCodec
  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 io.vertx.core.http.Http2Settings settings;
    descriptor: Lio/vertx/core/http/Http2Settings;
    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 35
            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.vertx.core.http.impl.VertxHttp2ClientUpgradeCodec.UPGRADE_HEADERS:Ljava/util/List;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>(io.vertx.core.http.Http2Settings);
    descriptor: (Lio/vertx/core/http/Http2Settings;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // io.vertx.core.http.impl.VertxHttp2ClientUpgradeCodec this
        start local 1 // io.vertx.core.http.Http2Settings settings
         0: .line 39
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 40
            aload 0 /* this */
            aload 1 /* settings */
            putfield io.vertx.core.http.impl.VertxHttp2ClientUpgradeCodec.settings:Lio/vertx/core/http/Http2Settings;
         2: .line 41
            return
        end local 1 // io.vertx.core.http.Http2Settings settings
        end local 0 // io.vertx.core.http.impl.VertxHttp2ClientUpgradeCodec this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    3     0      this  Lio/vertx/core/http/impl/VertxHttp2ClientUpgradeCodec;
            0    3     1  settings  Lio/vertx/core/http/Http2Settings;
    MethodParameters:
          Name  Flags
      settings  

  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.vertx.core.http.impl.VertxHttp2ClientUpgradeCodec this
         0: .line 45
            ldc "h2c"
            areturn
        end local 0 // io.vertx.core.http.impl.VertxHttp2ClientUpgradeCodec this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/vertx/core/http/impl/VertxHttp2ClientUpgradeCodec;

  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=4, locals=7, args_size=3
        start local 0 // io.vertx.core.http.impl.VertxHttp2ClientUpgradeCodec this
        start local 1 // io.netty.channel.ChannelHandlerContext ctx
        start local 2 // io.netty.handler.codec.http.HttpRequest upgradeRequest
         0: .line 50
            new io.netty.handler.codec.http2.Http2Settings
            dup
            invokespecial io.netty.handler.codec.http2.Http2Settings.<init>:()V
            astore 3 /* nettySettings */
        start local 3 // io.netty.handler.codec.http2.Http2Settings nettySettings
         1: .line 51
            iconst_0
            aload 0 /* this */
            getfield io.vertx.core.http.impl.VertxHttp2ClientUpgradeCodec.settings:Lio/vertx/core/http/Http2Settings;
            aload 3 /* nettySettings */
            invokestatic io.vertx.core.http.impl.HttpUtils.fromVertxInitialSettings:(ZLio/vertx/core/http/Http2Settings;Lio/netty/handler/codec/http2/Http2Settings;)V
         2: .line 52
            invokestatic io.vertx.core.buffer.Buffer.buffer:()Lio/vertx/core/buffer/Buffer;
            astore 4 /* buf */
        start local 4 // io.vertx.core.buffer.Buffer buf
         3: .line 53
            aload 3 /* nettySettings */
            invokevirtual io.netty.handler.codec.http2.Http2Settings.entries:()Ljava/lang/Iterable;
            invokeinterface java.lang.Iterable.iterator:()Ljava/util/Iterator;
            astore 6
            goto 7
      StackMap locals: io.vertx.core.http.impl.VertxHttp2ClientUpgradeCodec io.netty.channel.ChannelHandlerContext io.netty.handler.codec.http.HttpRequest io.netty.handler.codec.http2.Http2Settings io.vertx.core.buffer.Buffer top java.util.Iterator
      StackMap stack:
         4: aload 6
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast io.netty.util.collection.CharObjectMap$PrimitiveEntry
            astore 5 /* entry */
        start local 5 // io.netty.util.collection.CharObjectMap$PrimitiveEntry entry
         5: .line 54
            aload 4 /* buf */
            aload 5 /* entry */
            invokeinterface io.netty.util.collection.CharObjectMap$PrimitiveEntry.key:()C
            invokeinterface io.vertx.core.buffer.Buffer.appendUnsignedShort:(I)Lio/vertx/core/buffer/Buffer;
            pop
         6: .line 55
            aload 4 /* buf */
            aload 5 /* entry */
            invokeinterface io.netty.util.collection.CharObjectMap$PrimitiveEntry.value:()Ljava/lang/Object;
            checkcast java.lang.Long
            invokevirtual java.lang.Long.longValue:()J
            invokeinterface io.vertx.core.buffer.Buffer.appendUnsignedInt:(J)Lio/vertx/core/buffer/Buffer;
            pop
        end local 5 // io.netty.util.collection.CharObjectMap$PrimitiveEntry entry
         7: .line 53
      StackMap locals:
      StackMap stack:
            aload 6
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 4
         8: .line 57
            new java.lang.String
            dup
            invokestatic java.util.Base64.getUrlEncoder:()Ljava/util/Base64$Encoder;
            aload 4 /* buf */
            invokeinterface io.vertx.core.buffer.Buffer.getBytes:()[B
            invokevirtual java.util.Base64$Encoder.encode:([B)[B
            getstatic io.netty.util.CharsetUtil.UTF_8:Ljava/nio/charset/Charset;
            invokespecial java.lang.String.<init>:([BLjava/nio/charset/Charset;)V
            astore 5 /* encodedSettings */
        start local 5 // java.lang.String encodedSettings
         9: .line 58
            aload 2 /* upgradeRequest */
            invokeinterface io.netty.handler.codec.http.HttpRequest.headers:()Lio/netty/handler/codec/http/HttpHeaders;
            getstatic io.netty.handler.codec.http2.Http2CodecUtil.HTTP_UPGRADE_SETTINGS_HEADER:Ljava/lang/CharSequence;
            aload 5 /* encodedSettings */
            invokevirtual io.netty.handler.codec.http.HttpHeaders.set:(Ljava/lang/CharSequence;Ljava/lang/Object;)Lio/netty/handler/codec/http/HttpHeaders;
            pop
        10: .line 59
            getstatic io.vertx.core.http.impl.VertxHttp2ClientUpgradeCodec.UPGRADE_HEADERS:Ljava/util/List;
            areturn
        end local 5 // java.lang.String encodedSettings
        end local 4 // io.vertx.core.buffer.Buffer buf
        end local 3 // io.netty.handler.codec.http2.Http2Settings nettySettings
        end local 2 // io.netty.handler.codec.http.HttpRequest upgradeRequest
        end local 1 // io.netty.channel.ChannelHandlerContext ctx
        end local 0 // io.vertx.core.http.impl.VertxHttp2ClientUpgradeCodec this
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0   11     0             this  Lio/vertx/core/http/impl/VertxHttp2ClientUpgradeCodec;
            0   11     1              ctx  Lio/netty/channel/ChannelHandlerContext;
            0   11     2   upgradeRequest  Lio/netty/handler/codec/http/HttpRequest;
            1   11     3    nettySettings  Lio/netty/handler/codec/http2/Http2Settings;
            3   11     4              buf  Lio/vertx/core/buffer/Buffer;
            5    7     5            entry  Lio/netty/util/collection/CharObjectMap$PrimitiveEntry<Ljava/lang/Long;>;
            9   11     5  encodedSettings  Ljava/lang/String;
    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=0, locals=3, args_size=3
        start local 0 // io.vertx.core.http.impl.VertxHttp2ClientUpgradeCodec this
        start local 1 // io.netty.channel.ChannelHandlerContext ctx
        start local 2 // io.netty.handler.codec.http.FullHttpResponse upgradeResponse
         0: .line 64
            return
        end local 2 // io.netty.handler.codec.http.FullHttpResponse upgradeResponse
        end local 1 // io.netty.channel.ChannelHandlerContext ctx
        end local 0 // io.vertx.core.http.impl.VertxHttp2ClientUpgradeCodec this
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0    1     0             this  Lio/vertx/core/http/impl/VertxHttp2ClientUpgradeCodec;
            0    1     1              ctx  Lio/netty/channel/ChannelHandlerContext;
            0    1     2  upgradeResponse  Lio/netty/handler/codec/http/FullHttpResponse;
    Exceptions:
      throws java.lang.Exception
    MethodParameters:
                 Name  Flags
      ctx              
      upgradeResponse  
}
SourceFile: "VertxHttp2ClientUpgradeCodec.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
  public Encoder = java.util.Base64$Encoder of java.util.Base64