https://www.graalvm.org/ 
interface com.oracle.graal.python.runtime.PythonOptions$EngineOption extends java.lang.annotation.Annotation
  minor version: 0
  major version: 59
  flags: flags: (0x2600) ACC_INTERFACE, ACC_ABSTRACT, ACC_ANNOTATION
  this_class: com.oracle.graal.python.runtime.PythonOptions$EngineOption
  super_class: java.lang.Object
{
  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=3, locals=0, args_size=0
         0: .line 241
            new java.lang.Error
            dup
            ldc "Unresolved compilation problem: \n\tPythonOptionsOptionDescriptors cannot be resolved to a type\n"
            invokespecial java.lang.Error.<init>:(Ljava/lang/String;)V
            athrow
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
SourceFile: "PythonOptions.java"
NestHost: com.oracle.graal.python.runtime.PythonOptions
InnerClasses:
  abstract EngineOption = com.oracle.graal.python.runtime.PythonOptions$EngineOption of com.oracle.graal.python.runtime.PythonOptions
    RuntimeVisibleAnnotations: 
      java.lang.annotation.Retention(value = java.lang.annotation.RetentionPolicy.RUNTIME:Ljava/lang/annotation/RetentionPolicy;)
      java.lang.annotation.Target(value = {java.lang.annotation.ElementType.FIELD:Ljava/lang/annotation/ElementType;})