PeeHaa / AsyncTwitter

        $this->client = $client;

    }

    public function post(Url $url, Header $header, Body $body): Promise

    {

        $request = (new Request)

            ->setMethod('POST')

            ->setUri($url->getUrl())

            ->setAllHeaders([

                'Authorization' => $header->getHeader(),

                'Content-Type'  => 'application/x-www-form-urlencoded',

            ])

            ->setBody($this->getBodyString($body))

        ;

        return $this->client->request($request);

    }

    private function getBodyString(Body $body): string

    {

        return $bodyString;

    }

    public function get(Url $url, Header $header, Parameter ...$parameters): Promise

    {

        $request = (new Request)

            ->setMethod('GET')

            ->setUri($url->getUrl() . $this->buildQueryString(...$parameters))

            ->setAllHeaders(['Authorization' => $header->getHeader()])

        ;

        return $this->client->request($request);

    }

    private function buildQueryString(Parameter ...$parameters): string

    {