private boolean isUnderContent(final VirtualFile file) {
    PackageElement element = getValue();
    final Module module = element == null ? null : element.getModule();
    if (module == null) {
      return ModuleUtilCore.projectContainsFile(getProject(), file, isLibraryElement());
    }
    return ModuleUtilCore.moduleContainsFile(module, file, isLibraryElement());
  }
private boolean isUnderContent(final VirtualFile file)