public virtual LessNode VisitMediaQuery(LessParser.MediaQueryContext context)
 {
     throw new System.NotImplementedException();
 }
        public override LessNode VisitMediaQuery(LessParser.MediaQueryContext context)
        {
            var featureQueries = context.featureQuery().Select(f => (MediaFeatureQuery)f.Accept(this));

            return(new MediaQuery(featureQueries));
        }