/**
  * @inheritdoc
  *
  * @param OauthAccessPayload $payload
  */
 protected function getExpectedPayloadData(PayloadInterface $payload)
 {
     return ['client_id' => $payload->getClientId(), 'client_secret' => $payload->getClientSecret(), 'code' => $payload->getCode(), 'redirect_uri' => $payload->getRedirectUri()];
 }