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 class io.netty.handler.codec.http.HttpStatusClass extends java.lang.Enum<io.netty.handler.codec.http.HttpStatusClass>
  minor version: 0
  major version: 59
  flags: flags: (0x4021) ACC_PUBLIC, ACC_SUPER, ACC_ANNOTATION
  this_class: io.netty.handler.codec.http.HttpStatusClass
  super_class: java.lang.Enum
{
  public static final io.netty.handler.codec.http.HttpStatusClass INFORMATIONAL;
    descriptor: Lio/netty/handler/codec/http/HttpStatusClass;
    flags: (0x4019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL, ACC_ANNOTATION

  public static final io.netty.handler.codec.http.HttpStatusClass SUCCESS;
    descriptor: Lio/netty/handler/codec/http/HttpStatusClass;
    flags: (0x4019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL, ACC_ANNOTATION

  public static final io.netty.handler.codec.http.HttpStatusClass REDIRECTION;
    descriptor: Lio/netty/handler/codec/http/HttpStatusClass;
    flags: (0x4019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL, ACC_ANNOTATION

  public static final io.netty.handler.codec.http.HttpStatusClass CLIENT_ERROR;
    descriptor: Lio/netty/handler/codec/http/HttpStatusClass;
    flags: (0x4019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL, ACC_ANNOTATION

  public static final io.netty.handler.codec.http.HttpStatusClass SERVER_ERROR;
    descriptor: Lio/netty/handler/codec/http/HttpStatusClass;
    flags: (0x4019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL, ACC_ANNOTATION

  public static final io.netty.handler.codec.http.HttpStatusClass UNKNOWN;
    descriptor: Lio/netty/handler/codec/http/HttpStatusClass;
    flags: (0x4019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL, ACC_ANNOTATION

  private final int min;
    descriptor: I
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final int max;
    descriptor: I
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final io.netty.util.AsciiString defaultReasonPhrase;
    descriptor: Lio/netty/util/AsciiString;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

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

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=7, locals=0, args_size=0
         0: .line 25
            new io.netty.handler.codec.http.HttpStatusClass
            dup
            ldc "INFORMATIONAL"
            iconst_0
         1: .line 28
            bipush 100
            sipush 200
            ldc "Informational"
            invokespecial io.netty.handler.codec.http.HttpStatusClass.<init>:(Ljava/lang/String;IIILjava/lang/String;)V
            putstatic io.netty.handler.codec.http.HttpStatusClass.INFORMATIONAL:Lio/netty/handler/codec/http/HttpStatusClass;
         2: .line 29
            new io.netty.handler.codec.http.HttpStatusClass
            dup
            ldc "SUCCESS"
            iconst_1
         3: .line 32
            sipush 200
            sipush 300
            ldc "Success"
            invokespecial io.netty.handler.codec.http.HttpStatusClass.<init>:(Ljava/lang/String;IIILjava/lang/String;)V
            putstatic io.netty.handler.codec.http.HttpStatusClass.SUCCESS:Lio/netty/handler/codec/http/HttpStatusClass;
         4: .line 33
            new io.netty.handler.codec.http.HttpStatusClass
            dup
            ldc "REDIRECTION"
            iconst_2
         5: .line 36
            sipush 300
            sipush 400
            ldc "Redirection"
            invokespecial io.netty.handler.codec.http.HttpStatusClass.<init>:(Ljava/lang/String;IIILjava/lang/String;)V
            putstatic io.netty.handler.codec.http.HttpStatusClass.REDIRECTION:Lio/netty/handler/codec/http/HttpStatusClass;
         6: .line 37
            new io.netty.handler.codec.http.HttpStatusClass
            dup
            ldc "CLIENT_ERROR"
            iconst_3
         7: .line 40
            sipush 400
            sipush 500
            ldc "Client Error"
            invokespecial io.netty.handler.codec.http.HttpStatusClass.<init>:(Ljava/lang/String;IIILjava/lang/String;)V
            putstatic io.netty.handler.codec.http.HttpStatusClass.CLIENT_ERROR:Lio/netty/handler/codec/http/HttpStatusClass;
         8: .line 41
            new io.netty.handler.codec.http.HttpStatusClass
            dup
            ldc "SERVER_ERROR"
            iconst_4
         9: .line 44
            sipush 500
            sipush 600
            ldc "Server Error"
            invokespecial io.netty.handler.codec.http.HttpStatusClass.<init>:(Ljava/lang/String;IIILjava/lang/String;)V
            putstatic io.netty.handler.codec.http.HttpStatusClass.SERVER_ERROR:Lio/netty/handler/codec/http/HttpStatusClass;
        10: .line 45
            new io.netty.handler.codec.http.HttpStatusClass$1
            dup
            ldc "UNKNOWN"
            iconst_5
        11: .line 48
            iconst_0
            iconst_0
            ldc "Unknown Status"
            invokespecial io.netty.handler.codec.http.HttpStatusClass$1.<init>:(Ljava/lang/String;IIILjava/lang/String;)V
            putstatic io.netty.handler.codec.http.HttpStatusClass.UNKNOWN:Lio/netty/handler/codec/http/HttpStatusClass;
        12: .line 24
            bipush 6
            anewarray io.netty.handler.codec.http.HttpStatusClass
            dup
            iconst_0
            getstatic io.netty.handler.codec.http.HttpStatusClass.INFORMATIONAL:Lio/netty/handler/codec/http/HttpStatusClass;
            aastore
            dup
            iconst_1
            getstatic io.netty.handler.codec.http.HttpStatusClass.SUCCESS:Lio/netty/handler/codec/http/HttpStatusClass;
            aastore
            dup
            iconst_2
            getstatic io.netty.handler.codec.http.HttpStatusClass.REDIRECTION:Lio/netty/handler/codec/http/HttpStatusClass;
            aastore
            dup
            iconst_3
            getstatic io.netty.handler.codec.http.HttpStatusClass.CLIENT_ERROR:Lio/netty/handler/codec/http/HttpStatusClass;
            aastore
            dup
            iconst_4
            getstatic io.netty.handler.codec.http.HttpStatusClass.SERVER_ERROR:Lio/netty/handler/codec/http/HttpStatusClass;
            aastore
            dup
            iconst_5
            getstatic io.netty.handler.codec.http.HttpStatusClass.UNKNOWN:Lio/netty/handler/codec/http/HttpStatusClass;
            aastore
            putstatic io.netty.handler.codec.http.HttpStatusClass.ENUM$VALUES:[Lio/netty/handler/codec/http/HttpStatusClass;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public static io.netty.handler.codec.http.HttpStatusClass valueOf(int);
    descriptor: (I)Lio/netty/handler/codec/http/HttpStatusClass;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // int code
         0: .line 59
            getstatic io.netty.handler.codec.http.HttpStatusClass.INFORMATIONAL:Lio/netty/handler/codec/http/HttpStatusClass;
            iload 0 /* code */
            invokevirtual io.netty.handler.codec.http.HttpStatusClass.contains:(I)Z
            ifeq 2
         1: .line 60
            getstatic io.netty.handler.codec.http.HttpStatusClass.INFORMATIONAL:Lio/netty/handler/codec/http/HttpStatusClass;
            areturn
         2: .line 62
      StackMap locals:
      StackMap stack:
            getstatic io.netty.handler.codec.http.HttpStatusClass.SUCCESS:Lio/netty/handler/codec/http/HttpStatusClass;
            iload 0 /* code */
            invokevirtual io.netty.handler.codec.http.HttpStatusClass.contains:(I)Z
            ifeq 4
         3: .line 63
            getstatic io.netty.handler.codec.http.HttpStatusClass.SUCCESS:Lio/netty/handler/codec/http/HttpStatusClass;
            areturn
         4: .line 65
      StackMap locals:
      StackMap stack:
            getstatic io.netty.handler.codec.http.HttpStatusClass.REDIRECTION:Lio/netty/handler/codec/http/HttpStatusClass;
            iload 0 /* code */
            invokevirtual io.netty.handler.codec.http.HttpStatusClass.contains:(I)Z
            ifeq 6
         5: .line 66
            getstatic io.netty.handler.codec.http.HttpStatusClass.REDIRECTION:Lio/netty/handler/codec/http/HttpStatusClass;
            areturn
         6: .line 68
      StackMap locals:
      StackMap stack:
            getstatic io.netty.handler.codec.http.HttpStatusClass.CLIENT_ERROR:Lio/netty/handler/codec/http/HttpStatusClass;
            iload 0 /* code */
            invokevirtual io.netty.handler.codec.http.HttpStatusClass.contains:(I)Z
            ifeq 8
         7: .line 69
            getstatic io.netty.handler.codec.http.HttpStatusClass.CLIENT_ERROR:Lio/netty/handler/codec/http/HttpStatusClass;
            areturn
         8: .line 71
      StackMap locals:
      StackMap stack:
            getstatic io.netty.handler.codec.http.HttpStatusClass.SERVER_ERROR:Lio/netty/handler/codec/http/HttpStatusClass;
            iload 0 /* code */
            invokevirtual io.netty.handler.codec.http.HttpStatusClass.contains:(I)Z
            ifeq 10
         9: .line 72
            getstatic io.netty.handler.codec.http.HttpStatusClass.SERVER_ERROR:Lio/netty/handler/codec/http/HttpStatusClass;
            areturn
        10: .line 74
      StackMap locals:
      StackMap stack:
            getstatic io.netty.handler.codec.http.HttpStatusClass.UNKNOWN:Lio/netty/handler/codec/http/HttpStatusClass;
            areturn
        end local 0 // int code
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   11     0  code  I
    MethodParameters:
      Name  Flags
      code  

  public static io.netty.handler.codec.http.HttpStatusClass valueOf(java.lang.CharSequence);
    descriptor: (Ljava/lang/CharSequence;)Lio/netty/handler/codec/http/HttpStatusClass;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // java.lang.CharSequence code
         0: .line 82
            aload 0 /* code */
            ifnull 5
            aload 0 /* code */
            invokeinterface java.lang.CharSequence.length:()I
            iconst_3
            if_icmpne 5
         1: .line 83
            aload 0 /* code */
            iconst_0
            invokeinterface java.lang.CharSequence.charAt:(I)C
            istore 1 /* c0 */
        start local 1 // char c0
         2: .line 84
            iload 1 /* c0 */
            invokestatic io.netty.handler.codec.http.HttpStatusClass.isDigit:(C)Z
            ifeq 3
            aload 0 /* code */
            iconst_1
            invokeinterface java.lang.CharSequence.charAt:(I)C
            invokestatic io.netty.handler.codec.http.HttpStatusClass.isDigit:(C)Z
            ifeq 3
            aload 0 /* code */
            iconst_2
            invokeinterface java.lang.CharSequence.charAt:(I)C
            invokestatic io.netty.handler.codec.http.HttpStatusClass.isDigit:(C)Z
            ifeq 3
            iload 1 /* c0 */
            invokestatic io.netty.handler.codec.http.HttpStatusClass.digit:(C)I
            bipush 100
            imul
            invokestatic io.netty.handler.codec.http.HttpStatusClass.valueOf:(I)Lio/netty/handler/codec/http/HttpStatusClass;
            goto 4
         3: .line 85
      StackMap locals: int
      StackMap stack:
            getstatic io.netty.handler.codec.http.HttpStatusClass.UNKNOWN:Lio/netty/handler/codec/http/HttpStatusClass;
         4: .line 84
      StackMap locals:
      StackMap stack: io.netty.handler.codec.http.HttpStatusClass
            areturn
        end local 1 // char c0
         5: .line 87
      StackMap locals:
      StackMap stack:
            getstatic io.netty.handler.codec.http.HttpStatusClass.UNKNOWN:Lio/netty/handler/codec/http/HttpStatusClass;
            areturn
        end local 0 // java.lang.CharSequence code
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  code  Ljava/lang/CharSequence;
            2    5     1    c0  C
    MethodParameters:
      Name  Flags
      code  

  private static int digit(char);
    descriptor: (C)I
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // char c
         0: .line 91
            iload 0 /* c */
            bipush 48
            isub
            ireturn
        end local 0 // char c
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0     c  C
    MethodParameters:
      Name  Flags
      c     

  private static boolean isDigit(char);
    descriptor: (C)Z
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // char c
         0: .line 95
            iload 0 /* c */
            bipush 48
            if_icmplt 1
            iload 0 /* c */
            bipush 57
            if_icmpgt 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 0 // char c
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0     c  C
    MethodParameters:
      Name  Flags
      c     

  private void <init>(java.lang.String, int, int, int, java.lang.String);
    descriptor: (Ljava/lang/String;IIILjava/lang/String;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=6, args_size=6
        start local 0 // io.netty.handler.codec.http.HttpStatusClass this
        start local 3 // int min
        start local 4 // int max
        start local 5 // java.lang.String defaultReasonPhrase
         0: .line 102
            aload 0 /* this */
            aload 1
            iload 2
            invokespecial java.lang.Enum.<init>:(Ljava/lang/String;I)V
         1: .line 103
            aload 0 /* this */
            iload 3 /* min */
            putfield io.netty.handler.codec.http.HttpStatusClass.min:I
         2: .line 104
            aload 0 /* this */
            iload 4 /* max */
            putfield io.netty.handler.codec.http.HttpStatusClass.max:I
         3: .line 105
            aload 0 /* this */
            aload 5 /* defaultReasonPhrase */
            invokestatic io.netty.util.AsciiString.cached:(Ljava/lang/String;)Lio/netty/util/AsciiString;
            putfield io.netty.handler.codec.http.HttpStatusClass.defaultReasonPhrase:Lio/netty/util/AsciiString;
         4: .line 106
            return
        end local 5 // java.lang.String defaultReasonPhrase
        end local 4 // int max
        end local 3 // int min
        end local 0 // io.netty.handler.codec.http.HttpStatusClass this
      LocalVariableTable:
        Start  End  Slot                 Name  Signature
            0    5     0                 this  Lio/netty/handler/codec/http/HttpStatusClass;
            0    5     3                  min  I
            0    5     4                  max  I
            0    5     5  defaultReasonPhrase  Ljava/lang/String;
    MethodParameters:
                     Name  Flags
      $enum$name           
      $enum$ordinal        
      min                  
      max                  
      defaultReasonPhrase  

  public boolean contains(int);
    descriptor: (I)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // io.netty.handler.codec.http.HttpStatusClass this
        start local 1 // int code
         0: .line 112
            iload 1 /* code */
            aload 0 /* this */
            getfield io.netty.handler.codec.http.HttpStatusClass.min:I
            if_icmplt 1
            iload 1 /* code */
            aload 0 /* this */
            getfield io.netty.handler.codec.http.HttpStatusClass.max:I
            if_icmpge 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 1 // int code
        end local 0 // io.netty.handler.codec.http.HttpStatusClass this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lio/netty/handler/codec/http/HttpStatusClass;
            0    2     1  code  I
    MethodParameters:
      Name  Flags
      code  

  io.netty.util.AsciiString defaultReasonPhrase();
    descriptor: ()Lio/netty/util/AsciiString;
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.handler.codec.http.HttpStatusClass this
         0: .line 119
            aload 0 /* this */
            getfield io.netty.handler.codec.http.HttpStatusClass.defaultReasonPhrase:Lio/netty/util/AsciiString;
            areturn
        end local 0 // io.netty.handler.codec.http.HttpStatusClass this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/codec/http/HttpStatusClass;

  public static io.netty.handler.codec.http.HttpStatusClass[] values();
    descriptor: ()[Lio/netty/handler/codec/http/HttpStatusClass;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=5, locals=3, args_size=0
         0: .line 1
            getstatic io.netty.handler.codec.http.HttpStatusClass.ENUM$VALUES:[Lio/netty/handler/codec/http/HttpStatusClass;
            dup
            astore 0
            iconst_0
            aload 0
            arraylength
            dup
            istore 1
            anewarray io.netty.handler.codec.http.HttpStatusClass
            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.http.HttpStatusClass valueOf(java.lang.String);
    descriptor: (Ljava/lang/String;)Lio/netty/handler/codec/http/HttpStatusClass;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=1, args_size=1
         0: .line 1
            ldc Lio/netty/handler/codec/http/HttpStatusClass;
            aload 0
            invokestatic java.lang.Enum.valueOf:(Ljava/lang/Class;Ljava/lang/String;)Ljava/lang/Enum;
            checkcast io.netty.handler.codec.http.HttpStatusClass
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
    MethodParameters:
      Name  Flags
      name  
}
Signature: Ljava/lang/Enum<Lio/netty/handler/codec/http/HttpStatusClass;>;
SourceFile: "HttpStatusClass.java"
NestMembers:
  io.netty.handler.codec.http.HttpStatusClass$1
InnerClasses:
  io.netty.handler.codec.http.HttpStatusClass$1