@Override
      public boolean isFileVisible(VirtualFile file, boolean showHiddenFiles) {
        return super.isFileVisible(file, showHiddenFiles) && (file.isDirectory() ||
               file.getName().equalsIgnoreCase(ManifestFileUtil.MANIFEST_FILE_NAME));
      }
@Override
      public boolean isFileVisible(VirtualFile file, boolean showHiddenFiles)