https://www.graalvm.org/ 
public interface com.oracle.js.parser.RecompilableScriptFunctionData
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: com.oracle.js.parser.RecompilableScriptFunctionData
  super_class: java.lang.Object
{
  public abstract com.oracle.js.parser.RecompilableScriptFunctionData getScriptFunctionData(int);
    descriptor: (I)Lcom/oracle/js/parser/RecompilableScriptFunctionData;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
            Name  Flags
      functionId  

  public abstract int getFunctionNodeId();
    descriptor: ()I
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract int getFunctionFlags();
    descriptor: ()I
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract java.lang.Object getEndParserState();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
}
SourceFile: "RecompilableScriptFunctionData.java"