public function getClient(): ClientInterface
    {
        if (! isset($this->client)) {
            $this->client = new GuzzleClient();
        }

        return $this->client;
    }
public function getClient(): ClientInterface
    {
        if (! isset($this->client)) {
            $this->client = new GuzzleClient();
        }

        return $this->client;
    }
public function getClient ( ) : ClientInterface { if ( ! isset ( $ this -> client ) ) { $ this -> client = new GuzzleClient ( ) ; } return $ this -> client ; }
Get the Http client.

@return \GuzzleHttp\ClientInterface
Get the Http client .