/**
  * Lists all the datasets for the configured provider.
  *
  * @return DatasetsPayload Payload to retrieve all the datasets.
  */
 public function listDatasets()
 {
     $payload = new DatasetsPayload();
     $providerId = \Config::get('tdteuropeana.providerId');
     $payload->setProviderId($providerId);
     return $payload;
 }
 /**
  * {@inheritdoc}
  */
 protected function createPayload()
 {
     $payload = new DatasetsPayload();
     $payload->setProviderId('001');
     return $payload;
 }