@Override
  protected Condition<PsiFileSystemItem> getReferenceCompletionFilter() {
    return item -> {
      Project project = item.getProject();
      PsiFile originalFile = getElement().getContainingFile().getOriginalFile();
      VirtualFile ignoreFile = originalFile.getVirtualFile();
      Language language = originalFile.getLanguage();
      if (!(language instanceof IgnoreLanguage)) return false;

      VirtualFile ignoreFileAffectedRoot = ((IgnoreLanguage)language).getAffectedRoot(project, ignoreFile);
      VirtualFile ignoreFileVcsRoot = VcsUtil.getVcsRootFor(project, ignoreFileAffectedRoot);
      if (ignoreFileVcsRoot == null) return false;

      return isFileUnderSameVcsRoot(project, ignoreFileVcsRoot, item.getVirtualFile());
    };
  }
@Override
  protected Condition<PsiFileSystemItem> getReferenceCompletionFilter()