@Override
  public @NotNull LocalQuickFix @Nullable [] getQuickFixes() {
    final List<LocalQuickFix> result = new ArrayList<>();
    for (final FileReferenceHelper helper : getHelpers()) {
      result.addAll(helper.registerFixes(this));
    }
    return result.toArray(LocalQuickFix.EMPTY_ARRAY);
  }
@Override
  public @NotNull LocalQuickFix @Nullable [] getQuickFixes()