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.http.HttpConstants
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: io.netty.handler.codec.http.HttpConstants
  super_class: java.lang.Object
{
  public static final byte SP;
    descriptor: B
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 32

  public static final byte HT;
    descriptor: B
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 9

  public static final byte CR;
    descriptor: B
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 13

  public static final byte EQUALS;
    descriptor: B
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 61

  public static final byte LF;
    descriptor: B
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 10

  public static final byte COLON;
    descriptor: B
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 58

  public static final byte SEMICOLON;
    descriptor: B
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 59

  public static final byte COMMA;
    descriptor: B
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 44

  public static final byte DOUBLE_QUOTE;
    descriptor: B
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 34

  public static final java.nio.charset.Charset DEFAULT_CHARSET;
    descriptor: Ljava/nio/charset/Charset;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL

  public static final char SP_CHAR;
    descriptor: C
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 32

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 72
            getstatic io.netty.util.CharsetUtil.UTF_8:Ljava/nio/charset/Charset;
            putstatic io.netty.handler.codec.http.HttpConstants.DEFAULT_CHARSET:Ljava/nio/charset/Charset;
         1: .line 77
            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.http.HttpConstants this
         0: .line 79
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 81
            return
        end local 0 // io.netty.handler.codec.http.HttpConstants this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lio/netty/handler/codec/http/HttpConstants;
}
SourceFile: "HttpConstants.java"