@Nullable
    private VirtualFile getContentEntryDir() {
      final String contentEntryPath = getContentRootPath();
      if (contentEntryPath != null) {
        return WriteAction
          .compute(() -> LocalFileSystem.getInstance().refreshAndFindFileByPath(contentEntryPath));
      }
      return null;
    }
@Nullable
    private VirtualFile getContentEntryDir()