private static @Nullable LibraryJarDescriptors deserialize(@Nullable URL url) {
    if (url == null) return null;

    LibraryJarDescriptors libraryJarDescriptors = null;
    try {
      libraryJarDescriptors = XmlSerializer.deserialize(url, LibraryJarDescriptors.class);
    }
    catch (SerializationException ignored) {
      //
    }
    return libraryJarDescriptors;
  }
private static @Nullable LibraryJarDescriptors deserialize(@Nullable URL url)