private static boolean isControllerClassName(@NotNull Project project,
                                               @Nullable String qualifiedName,
                                               @NotNull GlobalSearchScope resolveScope) {
    return qualifiedName != null && !JavaFxControllerClassIndex.findFxmlWithController(project, qualifiedName, resolveScope).isEmpty();
  }
private static boolean isControllerClassName(@NotNull Project project,
                                               @Nullable String qualifiedName,
                                               @NotNull GlobalSearchScope resolveScope)