public function delete(ClientModel $client)
 {
     if (!isset($this->clients[$client->getId()])) {
         throw new ClientNotFound($client->getId());
     }
     unset($this->clients[$client->getId()]);
 }
 public function delete(ClientModel $client)
 {
     $this->dbalConnection->delete($this->tableConfiguration->getClientTableName(), ['client_id' => $client->getId()]);
 }