@Override
  protected List<ContentEntry> addContentEntries(VirtualFile[] files) {
    List<ContentEntry> contentEntries = super.addContentEntries(files);
    if (!contentEntries.isEmpty()) {
      final ContentEntry[] contentEntriesArray = contentEntries.toArray(new ContentEntry[0]);
      addSourceRoots(myProject, contentEntriesArray, () -> addContentEntryPanels(contentEntriesArray));
    }
    return contentEntries;
  }
@Override
  protected List<ContentEntry> addContentEntries(VirtualFile[] files)