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 final class io.netty.handler.codec.http2.EmptyHttp2Headers extends io.netty.handler.codec.EmptyHeaders<java.lang.CharSequence, java.lang.CharSequence, io.netty.handler.codec.http2.Http2Headers> implements io.netty.handler.codec.http2.Http2Headers
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: io.netty.handler.codec.http2.EmptyHttp2Headers
  super_class: io.netty.handler.codec.EmptyHeaders
{
  public static final io.netty.handler.codec.http2.EmptyHttp2Headers INSTANCE;
    descriptor: Lio/netty/handler/codec/http2/EmptyHttp2Headers;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 24
            new io.netty.handler.codec.http2.EmptyHttp2Headers
            dup
            invokespecial io.netty.handler.codec.http2.EmptyHttp2Headers.<init>:()V
            putstatic io.netty.handler.codec.http2.EmptyHttp2Headers.INSTANCE:Lio/netty/handler/codec/http2/EmptyHttp2Headers;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  private void <init>();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.handler.codec.http2.EmptyHttp2Headers this
         0: .line 26
            aload 0 /* this */
            invokespecial io.netty.handler.codec.EmptyHeaders.<init>:()V
         1: .line 27
            return
        end local 0 // io.netty.handler.codec.http2.EmptyHttp2Headers this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lio/netty/handler/codec/http2/EmptyHttp2Headers;

  public io.netty.handler.codec.http2.EmptyHttp2Headers method(java.lang.CharSequence);
    descriptor: (Ljava/lang/CharSequence;)Lio/netty/handler/codec/http2/EmptyHttp2Headers;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // io.netty.handler.codec.http2.EmptyHttp2Headers this
        start local 1 // java.lang.CharSequence method
         0: .line 31
            new java.lang.UnsupportedOperationException
            dup
            invokespecial java.lang.UnsupportedOperationException.<init>:()V
            athrow
        end local 1 // java.lang.CharSequence method
        end local 0 // io.netty.handler.codec.http2.EmptyHttp2Headers this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    1     0    this  Lio/netty/handler/codec/http2/EmptyHttp2Headers;
            0    1     1  method  Ljava/lang/CharSequence;
    MethodParameters:
        Name  Flags
      method  

  public io.netty.handler.codec.http2.EmptyHttp2Headers scheme(java.lang.CharSequence);
    descriptor: (Ljava/lang/CharSequence;)Lio/netty/handler/codec/http2/EmptyHttp2Headers;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // io.netty.handler.codec.http2.EmptyHttp2Headers this
        start local 1 // java.lang.CharSequence status
         0: .line 36
            new java.lang.UnsupportedOperationException
            dup
            invokespecial java.lang.UnsupportedOperationException.<init>:()V
            athrow
        end local 1 // java.lang.CharSequence status
        end local 0 // io.netty.handler.codec.http2.EmptyHttp2Headers this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    1     0    this  Lio/netty/handler/codec/http2/EmptyHttp2Headers;
            0    1     1  status  Ljava/lang/CharSequence;
    MethodParameters:
        Name  Flags
      status  

  public io.netty.handler.codec.http2.EmptyHttp2Headers authority(java.lang.CharSequence);
    descriptor: (Ljava/lang/CharSequence;)Lio/netty/handler/codec/http2/EmptyHttp2Headers;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // io.netty.handler.codec.http2.EmptyHttp2Headers this
        start local 1 // java.lang.CharSequence authority
         0: .line 41
            new java.lang.UnsupportedOperationException
            dup
            invokespecial java.lang.UnsupportedOperationException.<init>:()V
            athrow
        end local 1 // java.lang.CharSequence authority
        end local 0 // io.netty.handler.codec.http2.EmptyHttp2Headers this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    1     0       this  Lio/netty/handler/codec/http2/EmptyHttp2Headers;
            0    1     1  authority  Ljava/lang/CharSequence;
    MethodParameters:
           Name  Flags
      authority  

  public io.netty.handler.codec.http2.EmptyHttp2Headers path(java.lang.CharSequence);
    descriptor: (Ljava/lang/CharSequence;)Lio/netty/handler/codec/http2/EmptyHttp2Headers;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // io.netty.handler.codec.http2.EmptyHttp2Headers this
        start local 1 // java.lang.CharSequence path
         0: .line 46
            new java.lang.UnsupportedOperationException
            dup
            invokespecial java.lang.UnsupportedOperationException.<init>:()V
            athrow
        end local 1 // java.lang.CharSequence path
        end local 0 // io.netty.handler.codec.http2.EmptyHttp2Headers this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/codec/http2/EmptyHttp2Headers;
            0    1     1  path  Ljava/lang/CharSequence;
    MethodParameters:
      Name  Flags
      path  

  public io.netty.handler.codec.http2.EmptyHttp2Headers status(java.lang.CharSequence);
    descriptor: (Ljava/lang/CharSequence;)Lio/netty/handler/codec/http2/EmptyHttp2Headers;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // io.netty.handler.codec.http2.EmptyHttp2Headers this
        start local 1 // java.lang.CharSequence status
         0: .line 51
            new java.lang.UnsupportedOperationException
            dup
            invokespecial java.lang.UnsupportedOperationException.<init>:()V
            athrow
        end local 1 // java.lang.CharSequence status
        end local 0 // io.netty.handler.codec.http2.EmptyHttp2Headers this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    1     0    this  Lio/netty/handler/codec/http2/EmptyHttp2Headers;
            0    1     1  status  Ljava/lang/CharSequence;
    MethodParameters:
        Name  Flags
      status  

  public java.lang.CharSequence method();
    descriptor: ()Ljava/lang/CharSequence;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // io.netty.handler.codec.http2.EmptyHttp2Headers this
         0: .line 56
            aload 0 /* this */
            getstatic io.netty.handler.codec.http2.Http2Headers$PseudoHeaderName.METHOD:Lio/netty/handler/codec/http2/Http2Headers$PseudoHeaderName;
            invokevirtual io.netty.handler.codec.http2.Http2Headers$PseudoHeaderName.value:()Lio/netty/util/AsciiString;
            invokevirtual io.netty.handler.codec.http2.EmptyHttp2Headers.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.lang.CharSequence
            areturn
        end local 0 // io.netty.handler.codec.http2.EmptyHttp2Headers this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/codec/http2/EmptyHttp2Headers;

  public java.lang.CharSequence scheme();
    descriptor: ()Ljava/lang/CharSequence;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // io.netty.handler.codec.http2.EmptyHttp2Headers this
         0: .line 61
            aload 0 /* this */
            getstatic io.netty.handler.codec.http2.Http2Headers$PseudoHeaderName.SCHEME:Lio/netty/handler/codec/http2/Http2Headers$PseudoHeaderName;
            invokevirtual io.netty.handler.codec.http2.Http2Headers$PseudoHeaderName.value:()Lio/netty/util/AsciiString;
            invokevirtual io.netty.handler.codec.http2.EmptyHttp2Headers.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.lang.CharSequence
            areturn
        end local 0 // io.netty.handler.codec.http2.EmptyHttp2Headers this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/codec/http2/EmptyHttp2Headers;

  public java.lang.CharSequence authority();
    descriptor: ()Ljava/lang/CharSequence;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // io.netty.handler.codec.http2.EmptyHttp2Headers this
         0: .line 66
            aload 0 /* this */
            getstatic io.netty.handler.codec.http2.Http2Headers$PseudoHeaderName.AUTHORITY:Lio/netty/handler/codec/http2/Http2Headers$PseudoHeaderName;
            invokevirtual io.netty.handler.codec.http2.Http2Headers$PseudoHeaderName.value:()Lio/netty/util/AsciiString;
            invokevirtual io.netty.handler.codec.http2.EmptyHttp2Headers.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.lang.CharSequence
            areturn
        end local 0 // io.netty.handler.codec.http2.EmptyHttp2Headers this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/codec/http2/EmptyHttp2Headers;

  public java.lang.CharSequence path();
    descriptor: ()Ljava/lang/CharSequence;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // io.netty.handler.codec.http2.EmptyHttp2Headers this
         0: .line 71
            aload 0 /* this */
            getstatic io.netty.handler.codec.http2.Http2Headers$PseudoHeaderName.PATH:Lio/netty/handler/codec/http2/Http2Headers$PseudoHeaderName;
            invokevirtual io.netty.handler.codec.http2.Http2Headers$PseudoHeaderName.value:()Lio/netty/util/AsciiString;
            invokevirtual io.netty.handler.codec.http2.EmptyHttp2Headers.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.lang.CharSequence
            areturn
        end local 0 // io.netty.handler.codec.http2.EmptyHttp2Headers this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/codec/http2/EmptyHttp2Headers;

  public java.lang.CharSequence status();
    descriptor: ()Ljava/lang/CharSequence;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // io.netty.handler.codec.http2.EmptyHttp2Headers this
         0: .line 76
            aload 0 /* this */
            getstatic io.netty.handler.codec.http2.Http2Headers$PseudoHeaderName.STATUS:Lio/netty/handler/codec/http2/Http2Headers$PseudoHeaderName;
            invokevirtual io.netty.handler.codec.http2.Http2Headers$PseudoHeaderName.value:()Lio/netty/util/AsciiString;
            invokevirtual io.netty.handler.codec.http2.EmptyHttp2Headers.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.lang.CharSequence
            areturn
        end local 0 // io.netty.handler.codec.http2.EmptyHttp2Headers this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/codec/http2/EmptyHttp2Headers;

  public boolean contains(java.lang.CharSequence, java.lang.CharSequence, boolean);
    descriptor: (Ljava/lang/CharSequence;Ljava/lang/CharSequence;Z)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=4, args_size=4
        start local 0 // io.netty.handler.codec.http2.EmptyHttp2Headers this
        start local 1 // java.lang.CharSequence name
        start local 2 // java.lang.CharSequence value
        start local 3 // boolean caseInsensitive
         0: .line 81
            iconst_0
            ireturn
        end local 3 // boolean caseInsensitive
        end local 2 // java.lang.CharSequence value
        end local 1 // java.lang.CharSequence name
        end local 0 // io.netty.handler.codec.http2.EmptyHttp2Headers this
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0    1     0             this  Lio/netty/handler/codec/http2/EmptyHttp2Headers;
            0    1     1             name  Ljava/lang/CharSequence;
            0    1     2            value  Ljava/lang/CharSequence;
            0    1     3  caseInsensitive  Z
    MethodParameters:
                 Name  Flags
      name             
      value            
      caseInsensitive  

  public io.netty.handler.codec.http2.Http2Headers scheme(java.lang.CharSequence);
    descriptor: (Ljava/lang/CharSequence;)Lio/netty/handler/codec/http2/Http2Headers;
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=2, locals=2, args_size=2
         0: .line 1
            aload 0
            aload 1
            invokevirtual io.netty.handler.codec.http2.EmptyHttp2Headers.scheme:(Ljava/lang/CharSequence;)Lio/netty/handler/codec/http2/EmptyHttp2Headers;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public io.netty.handler.codec.http2.Http2Headers method(java.lang.CharSequence);
    descriptor: (Ljava/lang/CharSequence;)Lio/netty/handler/codec/http2/Http2Headers;
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=2, locals=2, args_size=2
         0: .line 1
            aload 0
            aload 1
            invokevirtual io.netty.handler.codec.http2.EmptyHttp2Headers.method:(Ljava/lang/CharSequence;)Lio/netty/handler/codec/http2/EmptyHttp2Headers;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public io.netty.handler.codec.http2.Http2Headers status(java.lang.CharSequence);
    descriptor: (Ljava/lang/CharSequence;)Lio/netty/handler/codec/http2/Http2Headers;
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=2, locals=2, args_size=2
         0: .line 1
            aload 0
            aload 1
            invokevirtual io.netty.handler.codec.http2.EmptyHttp2Headers.status:(Ljava/lang/CharSequence;)Lio/netty/handler/codec/http2/EmptyHttp2Headers;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public io.netty.handler.codec.http2.Http2Headers path(java.lang.CharSequence);
    descriptor: (Ljava/lang/CharSequence;)Lio/netty/handler/codec/http2/Http2Headers;
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=2, locals=2, args_size=2
         0: .line 1
            aload 0
            aload 1
            invokevirtual io.netty.handler.codec.http2.EmptyHttp2Headers.path:(Ljava/lang/CharSequence;)Lio/netty/handler/codec/http2/EmptyHttp2Headers;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public io.netty.handler.codec.http2.Http2Headers authority(java.lang.CharSequence);
    descriptor: (Ljava/lang/CharSequence;)Lio/netty/handler/codec/http2/Http2Headers;
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=2, locals=2, args_size=2
         0: .line 1
            aload 0
            aload 1
            invokevirtual io.netty.handler.codec.http2.EmptyHttp2Headers.authority:(Ljava/lang/CharSequence;)Lio/netty/handler/codec/http2/EmptyHttp2Headers;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public java.util.Iterator valueIterator(java.lang.CharSequence);
    descriptor: (Ljava/lang/CharSequence;)Ljava/util/Iterator;
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=2, locals=2, args_size=2
         0: .line 1
            aload 0
            aload 1
            checkcast java.lang.Object
            invokevirtual io.netty.handler.codec.http2.EmptyHttp2Headers.valueIterator:(Ljava/lang/Object;)Ljava/util/Iterator;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
Signature: Lio/netty/handler/codec/EmptyHeaders<Ljava/lang/CharSequence;Ljava/lang/CharSequence;Lio/netty/handler/codec/http2/Http2Headers;>;Lio/netty/handler/codec/http2/Http2Headers;
SourceFile: "EmptyHttp2Headers.java"
InnerClasses:
  public final PseudoHeaderName = io.netty.handler.codec.http2.Http2Headers$PseudoHeaderName of io.netty.handler.codec.http2.Http2Headers