Raml\ApiDefinition::addProtocol PHP Method

    public function addProtocol($protocol)
    {
        if (!in_array($protocol, [self::PROTOCOL_HTTP, self::PROTOCOL_HTTPS])) {
            throw new InvalidProtocolException(sprintf('"%s" is not a valid protocol', $protocol));
        }
        if (!in_array($protocol, $this->protocols)) {
            $this->protocols[] = $protocol;
        }
    }