Oembed::initHttpClient

protected function initHttpClient(): HttpClient
{
	$httpClient = new HttpClient();
	$httpClient->setTimeout(5);
	$httpClient->setStreamTimeout(5);
	$httpClient->setHeader('User-Agent', UrlPreview::USER_AGENT, true);
	$httpClient->setPrivateIp(false);

	return $httpClient;
}