protected function bootModel()
    {
        $table = $this->app['config']->get('revisionable.table', 'revisions');
        $user = $this->app['config']->get('revisionable.usermodel', 'App\User');

        forward_static_call_array([Revision::class, 'setCustomTable'], [$table]);
        forward_static_call_array([Revision::class, 'setUserModel'], [$user]);
    }