@Override
  protected boolean preprocessUsages(@NotNull final Ref<UsageInfo[]> refUsages) {
    MultiMap<PsiElement, String> conflicts = getConflicts(refUsages.get());
    if (!conflicts.isEmpty()) {
      return showConflicts(conflicts, refUsages.get());
    }
    return super.preprocessUsages(refUsages);
  }
@Override
  protected boolean preprocessUsages(@NotNull final Ref<UsageInfo[]> refUsages)