@Override
  public UsageInfo @NotNull [] findUsages() {
    final List<UsageInfo> usages = new ArrayList<>();
    for (MoveDirectoryWithClassesHelper helper : MoveDirectoryWithClassesHelper.findAll()) {
      helper.findUsages(myFilesToMove, myDirectories, usages, mySearchInComments, mySearchInNonJavaFiles, myProject);
    }
    return UsageViewUtil.removeDuplicatedUsages(usages.toArray(UsageInfo.EMPTY_ARRAY));
  }
@Override
  public UsageInfo @NotNull [] findUsages()