https://www.graalvm.org/ 
class com.oracle.truffle.api.instrumentation.test.InstrumentOptionsTest$ContextOptions
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: com.oracle.truffle.api.instrumentation.test.InstrumentOptionsTest$ContextOptions
  super_class: java.lang.Object
{
  static final org.graalvm.options.OptionKey<java.lang.String> ContextOption1;
    descriptor: Lorg/graalvm/options/OptionKey;
    flags: (0x0018) ACC_STATIC, ACC_FINAL
    Signature: Lorg/graalvm/options/OptionKey<Ljava/lang/String;>;
    RuntimeInvisibleAnnotations: 
      com.oracle.truffle.api.Option(category = org.graalvm.options.OptionCategory.USER:Lorg/graalvm/options/OptionCategory;, help = "HelpText", stability = org.graalvm.options.OptionStability.STABLE:Lorg/graalvm/options/OptionStability;)

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=3, locals=0, args_size=0
         0: .line 181
            new org.graalvm.options.OptionKey
            dup
            ldc "default"
            invokespecial org.graalvm.options.OptionKey.<init>:(Ljava/lang/Object;)V
            putstatic com.oracle.truffle.api.instrumentation.test.InstrumentOptionsTest$ContextOptions.ContextOption1:Lorg/graalvm/options/OptionKey;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  void <init>();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.api.instrumentation.test.InstrumentOptionsTest$ContextOptions this
         0: .line 178
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // com.oracle.truffle.api.instrumentation.test.InstrumentOptionsTest$ContextOptions this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/api/instrumentation/test/InstrumentOptionsTest$ContextOptions;
}
SourceFile: "InstrumentOptionsTest.java"
NestHost: com.oracle.truffle.api.instrumentation.test.InstrumentOptionsTest
InnerClasses:
  public abstract Group = com.oracle.truffle.api.Option$Group of com.oracle.truffle.api.Option
  ContextOptions = com.oracle.truffle.api.instrumentation.test.InstrumentOptionsTest$ContextOptions of com.oracle.truffle.api.instrumentation.test.InstrumentOptionsTest
    RuntimeInvisibleAnnotations: 
      com.oracle.truffle.api.Option$Group(value = {"proxyInstrument"})