Crummy\Phlack\Bridge\Guzzle\ApiClient::__construct PHP Method

    public function __construct($config = [])
    {
        $config = Collection::fromConfig($config, [], ['token']);
        parent::__construct('', $config);
        $description = ServiceDescription::factory(__DIR__ . '/Resources/slack_api.json');
        $this->setDescription($description);
        $this->getEventDispatcher()->addListener('command.before_prepare', function (Event $event) use($config) {
            $event['command']['token'] = $config['token'];
        });
    }