@SuppressWarnings("unused")
  void appendToClassPathForInstrumentation(@NotNull String jar) {
    try {
      URL url = new File(jar).toURI().toURL();
      //noinspection deprecation
      getClassPath().addURL(url);
      myURLs.add(url);
    }
    catch (MalformedURLException ignore) { }
  }
@SuppressWarnings("unused")
  void appendToClassPathForInstrumentation(@NotNull String jar)