class FirebaseRemoteConfig {

  @NonNull
  public Set<String> getKeysByPrefix(@NonNull String prefix) {
    return getHandler.getKeysByPrefix(prefix);
  }

    FirebaseRemoteConfig(
      Context context,
      FirebaseApp firebaseApp,
      FirebaseInstallationsApi firebaseInstallations,
      @Nullable FirebaseABTesting firebaseAbt,
      Executor executor,
      ConfigCacheClient fetchedConfigsCache,
      ConfigCacheClient activatedConfigsCache,
      ConfigCacheClient defaultConfigsCache,
      ConfigFetchHandler fetchHandler,
      ConfigGetParameterHandler getHandler,
      ConfigMetadataClient frcMetadata);

}