protected static function getHttpHeaders(Request $request, Options $options)
{
$header = array("Accept: application/json", "Content-type: application/json");
$rnd = uniqid();
array_push($header, "Authorization: " . self::prepareAuthorizationString($request, $options, $rnd));
array_push($header, "x-iyzi-rnd: " . $rnd);
array_push($header, "x-iyzi-client-version: " . "iyzipay-php-2.0.25");
return $header;
}