https://www.graalvm.org/ 
public interface com.oracle.truffle.api.CallTarget
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: com.oracle.truffle.api.CallTarget
  super_class: java.lang.Object
{
  public abstract java.lang.Object call(java.lang.Object[]);
    descriptor: ([Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0481) ACC_PUBLIC, ACC_VARARGS, ACC_ABSTRACT
    MethodParameters:
           Name  Flags
      arguments  
}
SourceFile: "CallTarget.java"