public static <T> List<T> findCustomFxml(final Project project,
                                           final @NotNull String className,
                                           final Function<VirtualFile, T> f,
                                           final GlobalSearchScope scope) {
    return JavaFxControllerClassIndex.findFxmls(KEY, project, className, f, scope);
  }
public static <T> List<T> findCustomFxml(final Project project,
                                           final @NotNull String className,
                                           final Function<VirtualFile, T> f,
                                           final GlobalSearchScope scope)