class ClassDumper {

  boolean isSystemClass(String className) {
    try {
      if (isArrayClass(className)) {
        return true;
      }
      extensionClassLoader.loadClass(className);
      return true;
    } catch (ClassNotFoundException ex) {
      return false;
    }
  }

  private  ClassDumper(
      List<ClassPathEntry> inputClassPath,
      ClassLoader extensionClassLoader,
      Map<String, ClassPathEntry> fileNameToClassPathEntry);

}