Delete index.jsexports.rest = function(req, res, callbacks) {     var result = null;     switch(req.method){ 	case 'POST': 	callbacks.post==null?null:callbacks.post(req, res); 	break; 	case 'GET': 	callbacks.get==null?null:callbacks.get(req, res); 	break; 	case 'PUT': 	callbacks.put==null?null:callbacks.put(req, res); 	break; 	case 'DELETE': 	callbacks.del==null?null:callbacks.del(req, res); 	break;     } }