https://www.graalvm.org/ 
interface org.graalvm.polyglot.nativeapi.PolyglotNativeAPI$VoidThunk
  minor version: 0
  major version: 59
  flags: flags: (0x0600) ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.graalvm.polyglot.nativeapi.PolyglotNativeAPI$VoidThunk
  super_class: java.lang.Object
{
  public abstract void apply();
    descriptor: ()V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.lang.Exception
}
SourceFile: "PolyglotNativeAPI.java"
NestHost: org.graalvm.polyglot.nativeapi.PolyglotNativeAPI
InnerClasses:
  private abstract VoidThunk = org.graalvm.polyglot.nativeapi.PolyglotNativeAPI$VoidThunk of org.graalvm.polyglot.nativeapi.PolyglotNativeAPI