class AuthenticationMethodRetriever implements RegistryEndpointProvider<Optional<RegistryAuthenticator>> {

  @Override
  public List<String> getAccept() {
    return Collections.emptyList();
  }

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

}