class AuthenticationMethodRetriever implements RegistryEndpointProvider<Optional<RegistryAuthenticator>> {

  @Override
  public Optional<RegistryAuthenticator> handleResponse(Response response) {
    return Optional.empty();
  }

    AuthenticationMethodRetriever(
      RegistryEndpointRequestProperties registryEndpointRequestProperties,
      @Nullable String userAgent,
      FailoverHttpClient httpClient);

}