@Override
  public void findUsages(Collection<? extends PsiFile> filesToMove,
                         PsiDirectory[] directoriesToMove,
                         Collection<? super UsageInfo> result,
                         boolean searchInComments,
                         boolean searchInNonJavaFiles,
                         Project project) { }
@Override
  public void findUsages(Collection<? extends PsiFile> filesToMove,
                         PsiDirectory[] directoriesToMove,
                         Collection<? super UsageInfo> result,
                         boolean searchInComments,
                         boolean searchInNonJavaFiles,
                         Project project)