class ConfigMetadataClient {

  Date getLastSuccessfulFetchTime() {
    return new Date(
        frcMetadata.getLong(
            LAST_SUCCESSFUL_FETCH_TIME_IN_MILLIS_KEY, LAST_FETCH_TIME_IN_MILLIS_NO_FETCH_YET));
  }

  public  ConfigMetadataClient(SharedPreferences frcMetadata);

}