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.Http2Error extends java.lang.Enum<io.netty.handler.codec.http2.Http2Error>
  minor version: 0
  major version: 59
  flags: flags: (0x4031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER, ACC_ANNOTATION
  this_class: io.netty.handler.codec.http2.Http2Error
  super_class: java.lang.Enum
{
  public static final io.netty.handler.codec.http2.Http2Error NO_ERROR;
    descriptor: Lio/netty/handler/codec/http2/Http2Error;
    flags: (0x4019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL, ACC_ANNOTATION

  public static final io.netty.handler.codec.http2.Http2Error PROTOCOL_ERROR;
    descriptor: Lio/netty/handler/codec/http2/Http2Error;
    flags: (0x4019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL, ACC_ANNOTATION

  public static final io.netty.handler.codec.http2.Http2Error INTERNAL_ERROR;
    descriptor: Lio/netty/handler/codec/http2/Http2Error;
    flags: (0x4019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL, ACC_ANNOTATION

  public static final io.netty.handler.codec.http2.Http2Error FLOW_CONTROL_ERROR;
    descriptor: Lio/netty/handler/codec/http2/Http2Error;
    flags: (0x4019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL, ACC_ANNOTATION

  public static final io.netty.handler.codec.http2.Http2Error SETTINGS_TIMEOUT;
    descriptor: Lio/netty/handler/codec/http2/Http2Error;
    flags: (0x4019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL, ACC_ANNOTATION

  public static final io.netty.handler.codec.http2.Http2Error STREAM_CLOSED;
    descriptor: Lio/netty/handler/codec/http2/Http2Error;
    flags: (0x4019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL, ACC_ANNOTATION

  public static final io.netty.handler.codec.http2.Http2Error FRAME_SIZE_ERROR;
    descriptor: Lio/netty/handler/codec/http2/Http2Error;
    flags: (0x4019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL, ACC_ANNOTATION

  public static final io.netty.handler.codec.http2.Http2Error REFUSED_STREAM;
    descriptor: Lio/netty/handler/codec/http2/Http2Error;
    flags: (0x4019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL, ACC_ANNOTATION

  public static final io.netty.handler.codec.http2.Http2Error CANCEL;
    descriptor: Lio/netty/handler/codec/http2/Http2Error;
    flags: (0x4019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL, ACC_ANNOTATION

  public static final io.netty.handler.codec.http2.Http2Error COMPRESSION_ERROR;
    descriptor: Lio/netty/handler/codec/http2/Http2Error;
    flags: (0x4019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL, ACC_ANNOTATION

  public static final io.netty.handler.codec.http2.Http2Error CONNECT_ERROR;
    descriptor: Lio/netty/handler/codec/http2/Http2Error;
    flags: (0x4019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL, ACC_ANNOTATION

  public static final io.netty.handler.codec.http2.Http2Error ENHANCE_YOUR_CALM;
    descriptor: Lio/netty/handler/codec/http2/Http2Error;
    flags: (0x4019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL, ACC_ANNOTATION

  public static final io.netty.handler.codec.http2.Http2Error INADEQUATE_SECURITY;
    descriptor: Lio/netty/handler/codec/http2/Http2Error;
    flags: (0x4019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL, ACC_ANNOTATION

  public static final io.netty.handler.codec.http2.Http2Error HTTP_1_1_REQUIRED;
    descriptor: Lio/netty/handler/codec/http2/Http2Error;
    flags: (0x4019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL, ACC_ANNOTATION

  private final long code;
    descriptor: J
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private static final io.netty.handler.codec.http2.Http2Error[] INT_TO_ENUM_MAP;
    descriptor: [Lio/netty/handler/codec/http2/Http2Error;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final io.netty.handler.codec.http2.Http2Error[] ENUM$VALUES;
    descriptor: [Lio/netty/handler/codec/http2/Http2Error;
    flags: (0x101a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL, ACC_SYNTHETIC

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=6, locals=6, args_size=0
         0: .line 25
            new io.netty.handler.codec.http2.Http2Error
            dup
            ldc "NO_ERROR"
            iconst_0
            lconst_0
            invokespecial io.netty.handler.codec.http2.Http2Error.<init>:(Ljava/lang/String;IJ)V
            putstatic io.netty.handler.codec.http2.Http2Error.NO_ERROR:Lio/netty/handler/codec/http2/Http2Error;
         1: .line 26
            new io.netty.handler.codec.http2.Http2Error
            dup
            ldc "PROTOCOL_ERROR"
            iconst_1
            lconst_1
            invokespecial io.netty.handler.codec.http2.Http2Error.<init>:(Ljava/lang/String;IJ)V
            putstatic io.netty.handler.codec.http2.Http2Error.PROTOCOL_ERROR:Lio/netty/handler/codec/http2/Http2Error;
         2: .line 27
            new io.netty.handler.codec.http2.Http2Error
            dup
            ldc "INTERNAL_ERROR"
            iconst_2
            ldc 2
            invokespecial io.netty.handler.codec.http2.Http2Error.<init>:(Ljava/lang/String;IJ)V
            putstatic io.netty.handler.codec.http2.Http2Error.INTERNAL_ERROR:Lio/netty/handler/codec/http2/Http2Error;
         3: .line 28
            new io.netty.handler.codec.http2.Http2Error
            dup
            ldc "FLOW_CONTROL_ERROR"
            iconst_3
            ldc 3
            invokespecial io.netty.handler.codec.http2.Http2Error.<init>:(Ljava/lang/String;IJ)V
            putstatic io.netty.handler.codec.http2.Http2Error.FLOW_CONTROL_ERROR:Lio/netty/handler/codec/http2/Http2Error;
         4: .line 29
            new io.netty.handler.codec.http2.Http2Error
            dup
            ldc "SETTINGS_TIMEOUT"
            iconst_4
            ldc 4
            invokespecial io.netty.handler.codec.http2.Http2Error.<init>:(Ljava/lang/String;IJ)V
            putstatic io.netty.handler.codec.http2.Http2Error.SETTINGS_TIMEOUT:Lio/netty/handler/codec/http2/Http2Error;
         5: .line 30
            new io.netty.handler.codec.http2.Http2Error
            dup
            ldc "STREAM_CLOSED"
            iconst_5
            ldc 5
            invokespecial io.netty.handler.codec.http2.Http2Error.<init>:(Ljava/lang/String;IJ)V
            putstatic io.netty.handler.codec.http2.Http2Error.STREAM_CLOSED:Lio/netty/handler/codec/http2/Http2Error;
         6: .line 31
            new io.netty.handler.codec.http2.Http2Error
            dup
            ldc "FRAME_SIZE_ERROR"
            bipush 6
            ldc 6
            invokespecial io.netty.handler.codec.http2.Http2Error.<init>:(Ljava/lang/String;IJ)V
            putstatic io.netty.handler.codec.http2.Http2Error.FRAME_SIZE_ERROR:Lio/netty/handler/codec/http2/Http2Error;
         7: .line 32
            new io.netty.handler.codec.http2.Http2Error
            dup
            ldc "REFUSED_STREAM"
            bipush 7
            ldc 7
            invokespecial io.netty.handler.codec.http2.Http2Error.<init>:(Ljava/lang/String;IJ)V
            putstatic io.netty.handler.codec.http2.Http2Error.REFUSED_STREAM:Lio/netty/handler/codec/http2/Http2Error;
         8: .line 33
            new io.netty.handler.codec.http2.Http2Error
            dup
            ldc "CANCEL"
            bipush 8
            ldc 8
            invokespecial io.netty.handler.codec.http2.Http2Error.<init>:(Ljava/lang/String;IJ)V
            putstatic io.netty.handler.codec.http2.Http2Error.CANCEL:Lio/netty/handler/codec/http2/Http2Error;
         9: .line 34
            new io.netty.handler.codec.http2.Http2Error
            dup
            ldc "COMPRESSION_ERROR"
            bipush 9
            ldc 9
            invokespecial io.netty.handler.codec.http2.Http2Error.<init>:(Ljava/lang/String;IJ)V
            putstatic io.netty.handler.codec.http2.Http2Error.COMPRESSION_ERROR:Lio/netty/handler/codec/http2/Http2Error;
        10: .line 35
            new io.netty.handler.codec.http2.Http2Error
            dup
            ldc "CONNECT_ERROR"
            bipush 10
            ldc 10
            invokespecial io.netty.handler.codec.http2.Http2Error.<init>:(Ljava/lang/String;IJ)V
            putstatic io.netty.handler.codec.http2.Http2Error.CONNECT_ERROR:Lio/netty/handler/codec/http2/Http2Error;
        11: .line 36
            new io.netty.handler.codec.http2.Http2Error
            dup
            ldc "ENHANCE_YOUR_CALM"
            bipush 11
            ldc 11
            invokespecial io.netty.handler.codec.http2.Http2Error.<init>:(Ljava/lang/String;IJ)V
            putstatic io.netty.handler.codec.http2.Http2Error.ENHANCE_YOUR_CALM:Lio/netty/handler/codec/http2/Http2Error;
        12: .line 37
            new io.netty.handler.codec.http2.Http2Error
            dup
            ldc "INADEQUATE_SECURITY"
            bipush 12
            ldc 12
            invokespecial io.netty.handler.codec.http2.Http2Error.<init>:(Ljava/lang/String;IJ)V
            putstatic io.netty.handler.codec.http2.Http2Error.INADEQUATE_SECURITY:Lio/netty/handler/codec/http2/Http2Error;
        13: .line 38
            new io.netty.handler.codec.http2.Http2Error
            dup
            ldc "HTTP_1_1_REQUIRED"
            bipush 13
            ldc 13
            invokespecial io.netty.handler.codec.http2.Http2Error.<init>:(Ljava/lang/String;IJ)V
            putstatic io.netty.handler.codec.http2.Http2Error.HTTP_1_1_REQUIRED:Lio/netty/handler/codec/http2/Http2Error;
            bipush 14
            anewarray io.netty.handler.codec.http2.Http2Error
            dup
            iconst_0
            getstatic io.netty.handler.codec.http2.Http2Error.NO_ERROR:Lio/netty/handler/codec/http2/Http2Error;
            aastore
            dup
            iconst_1
            getstatic io.netty.handler.codec.http2.Http2Error.PROTOCOL_ERROR:Lio/netty/handler/codec/http2/Http2Error;
            aastore
            dup
            iconst_2
            getstatic io.netty.handler.codec.http2.Http2Error.INTERNAL_ERROR:Lio/netty/handler/codec/http2/Http2Error;
            aastore
            dup
            iconst_3
            getstatic io.netty.handler.codec.http2.Http2Error.FLOW_CONTROL_ERROR:Lio/netty/handler/codec/http2/Http2Error;
            aastore
            dup
            iconst_4
            getstatic io.netty.handler.codec.http2.Http2Error.SETTINGS_TIMEOUT:Lio/netty/handler/codec/http2/Http2Error;
            aastore
            dup
            iconst_5
            getstatic io.netty.handler.codec.http2.Http2Error.STREAM_CLOSED:Lio/netty/handler/codec/http2/Http2Error;
            aastore
            dup
            bipush 6
            getstatic io.netty.handler.codec.http2.Http2Error.FRAME_SIZE_ERROR:Lio/netty/handler/codec/http2/Http2Error;
            aastore
            dup
            bipush 7
            getstatic io.netty.handler.codec.http2.Http2Error.REFUSED_STREAM:Lio/netty/handler/codec/http2/Http2Error;
            aastore
            dup
            bipush 8
            getstatic io.netty.handler.codec.http2.Http2Error.CANCEL:Lio/netty/handler/codec/http2/Http2Error;
            aastore
            dup
            bipush 9
            getstatic io.netty.handler.codec.http2.Http2Error.COMPRESSION_ERROR:Lio/netty/handler/codec/http2/Http2Error;
            aastore
            dup
            bipush 10
            getstatic io.netty.handler.codec.http2.Http2Error.CONNECT_ERROR:Lio/netty/handler/codec/http2/Http2Error;
            aastore
            dup
            bipush 11
            getstatic io.netty.handler.codec.http2.Http2Error.ENHANCE_YOUR_CALM:Lio/netty/handler/codec/http2/Http2Error;
            aastore
            dup
            bipush 12
            getstatic io.netty.handler.codec.http2.Http2Error.INADEQUATE_SECURITY:Lio/netty/handler/codec/http2/Http2Error;
            aastore
            dup
            bipush 13
            getstatic io.netty.handler.codec.http2.Http2Error.HTTP_1_1_REQUIRED:Lio/netty/handler/codec/http2/Http2Error;
            aastore
            putstatic io.netty.handler.codec.http2.Http2Error.ENUM$VALUES:[Lio/netty/handler/codec/http2/Http2Error;
        14: .line 43
            invokestatic io.netty.handler.codec.http2.Http2Error.values:()[Lio/netty/handler/codec/http2/Http2Error;
            astore 0 /* errors */
        start local 0 // io.netty.handler.codec.http2.Http2Error[] errors
        15: .line 44
            aload 0 /* errors */
            arraylength
            anewarray io.netty.handler.codec.http2.Http2Error
            astore 1 /* map */
        start local 1 // io.netty.handler.codec.http2.Http2Error[] map
        16: .line 45
            aload 0 /* errors */
            dup
            astore 5
            arraylength
            istore 4
            iconst_0
            istore 3
            goto 20
      StackMap locals: io.netty.handler.codec.http2.Http2Error[] io.netty.handler.codec.http2.Http2Error[] top int int io.netty.handler.codec.http2.Http2Error[]
      StackMap stack:
        17: aload 5
            iload 3
            aaload
            astore 2 /* error */
        start local 2 // io.netty.handler.codec.http2.Http2Error error
        18: .line 46
            aload 1 /* map */
            aload 2 /* error */
            invokevirtual io.netty.handler.codec.http2.Http2Error.code:()J
            l2i
            aload 2 /* error */
            aastore
        end local 2 // io.netty.handler.codec.http2.Http2Error error
        19: .line 45
            iinc 3 1
      StackMap locals:
      StackMap stack:
        20: iload 3
            iload 4
            if_icmplt 17
        21: .line 48
            aload 1 /* map */
            putstatic io.netty.handler.codec.http2.Http2Error.INT_TO_ENUM_MAP:[Lio/netty/handler/codec/http2/Http2Error;
        end local 1 // io.netty.handler.codec.http2.Http2Error[] map
        end local 0 // io.netty.handler.codec.http2.Http2Error[] errors
        22: .line 49
            return
      LocalVariableTable:
        Start  End  Slot    Name  Signature
           15   22     0  errors  [Lio/netty/handler/codec/http2/Http2Error;
           16   22     1     map  [Lio/netty/handler/codec/http2/Http2Error;
           18   19     2   error  Lio/netty/handler/codec/http2/Http2Error;

  private void <init>(java.lang.String, int, long);
    descriptor: (Ljava/lang/String;IJ)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=5, args_size=4
        start local 0 // io.netty.handler.codec.http2.Http2Error this
        start local 3 // long code
         0: .line 51
            aload 0 /* this */
            aload 1
            iload 2
            invokespecial java.lang.Enum.<init>:(Ljava/lang/String;I)V
         1: .line 52
            aload 0 /* this */
            lload 3 /* code */
            putfield io.netty.handler.codec.http2.Http2Error.code:J
         2: .line 53
            return
        end local 3 // long code
        end local 0 // io.netty.handler.codec.http2.Http2Error this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lio/netty/handler/codec/http2/Http2Error;
            0    3     3  code  J
    MethodParameters:
               Name  Flags
      $enum$name     
      $enum$ordinal  
      code           

  public long code();
    descriptor: ()J
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // io.netty.handler.codec.http2.Http2Error this
         0: .line 59
            aload 0 /* this */
            getfield io.netty.handler.codec.http2.Http2Error.code:J
            lreturn
        end local 0 // io.netty.handler.codec.http2.Http2Error this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/codec/http2/Http2Error;

  public static io.netty.handler.codec.http2.Http2Error valueOf(long);
    descriptor: (J)Lio/netty/handler/codec/http2/Http2Error;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=4, locals=2, args_size=1
        start local 0 // long value
         0: .line 63
            lload 0 /* value */
            getstatic io.netty.handler.codec.http2.Http2Error.INT_TO_ENUM_MAP:[Lio/netty/handler/codec/http2/Http2Error;
            arraylength
            i2l
            lcmp
            ifge 1
            lload 0 /* value */
            lconst_0
            lcmp
            ifge 2
      StackMap locals:
      StackMap stack:
         1: aconst_null
            goto 3
      StackMap locals:
      StackMap stack:
         2: getstatic io.netty.handler.codec.http2.Http2Error.INT_TO_ENUM_MAP:[Lio/netty/handler/codec/http2/Http2Error;
            lload 0 /* value */
            l2i
            aaload
      StackMap locals:
      StackMap stack: io.netty.handler.codec.http2.Http2Error
         3: areturn
        end local 0 // long value
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    4     0  value  J
    MethodParameters:
       Name  Flags
      value  

  public static io.netty.handler.codec.http2.Http2Error[] values();
    descriptor: ()[Lio/netty/handler/codec/http2/Http2Error;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=5, locals=3, args_size=0
         0: .line 1
            getstatic io.netty.handler.codec.http2.Http2Error.ENUM$VALUES:[Lio/netty/handler/codec/http2/Http2Error;
            dup
            astore 0
            iconst_0
            aload 0
            arraylength
            dup
            istore 1
            anewarray io.netty.handler.codec.http2.Http2Error
            dup
            astore 2
            iconst_0
            iload 1
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
            aload 2
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public static io.netty.handler.codec.http2.Http2Error valueOf(java.lang.String);
    descriptor: (Ljava/lang/String;)Lio/netty/handler/codec/http2/Http2Error;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=1, args_size=1
         0: .line 1
            ldc Lio/netty/handler/codec/http2/Http2Error;
            aload 0
            invokestatic java.lang.Enum.valueOf:(Ljava/lang/Class;Ljava/lang/String;)Ljava/lang/Enum;
            checkcast io.netty.handler.codec.http2.Http2Error
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
    MethodParameters:
      Name  Flags
      name  
}
Signature: Ljava/lang/Enum<Lio/netty/handler/codec/http2/Http2Error;>;
SourceFile: "Http2Error.java"