public function setConditions(array $conditions = [])
    {
        $config = $this->container->has('config') ? $this->container->make('config') : null;

        if (! is_null($config)) {
            $this->conditions = array_merge(
                $config->get('app.conditions', []),
                $conditions
            );
        } else {
            $this->conditions = $conditions;
        }
    }