https://www.graalvm.org/ 
public interface com.oracle.graal.python.builtins.CoreFunctions extends java.lang.annotation.Annotation
  minor version: 0
  major version: 59
  flags: flags: (0x2601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT, ACC_ANNOTATION
  this_class: com.oracle.graal.python.builtins.CoreFunctions
  super_class: java.lang.Object
{
  public abstract java.lang.String defineModule();
    descriptor: ()Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    AnnotationDefault: ""

  public abstract java.lang.String publicName();
    descriptor: ()Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    AnnotationDefault: ""

  public abstract com.oracle.graal.python.builtins.PythonBuiltinClassType[] extendClasses();
    descriptor: ()[Lcom/oracle/graal/python/builtins/PythonBuiltinClassType;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    AnnotationDefault: {}

  public abstract java.lang.String pythonFile();
    descriptor: ()Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    AnnotationDefault: ""
}
SourceFile: "CoreFunctions.java"
    RuntimeVisibleAnnotations: 
      java.lang.annotation.Retention(value = java.lang.annotation.RetentionPolicy.RUNTIME:Ljava/lang/annotation/RetentionPolicy;)