docs: public ServiceFuture<Void> updateFaceAsync(String personGroupId, UUID personId, UUID persistedFaceId, UpdateFaceOptionalParameter updateFaceOptionalParameter, final ServiceCallback<Void> serviceCallback) {
          return ServiceFuture.fromResponse(updateFaceWithServiceResponseAsync(personGroupId, personId, persistedFaceId, updateFaceOptionalParameter), serviceCallback);
      }