@Override
 public void clearPasswordResetTokenAndExpirationDate(User user) {
   Vertex userVertex = findByIdUserVertex(user.getUserId());
   UserVisalloProperties.PASSWORD_RESET_TOKEN.removeProperty(userVertex, authorizations);
   UserVisalloProperties.PASSWORD_RESET_TOKEN_EXPIRATION_DATE.removeProperty(
       userVertex, authorizations);
   graph.flush();
 }