@SuppressWarnings("MethodMayBeStatic")
    private void restoreContextClassLoader(@Nullable Ref<ClassLoader> loaderRef) {
      if (loaderRef != null) {
        Thread.currentThread().setContextClassLoader(loaderRef.get());
      }
    }
@SuppressWarnings("MethodMayBeStatic")
    private void restoreContextClassLoader(@Nullable Ref<ClassLoader> loaderRef)