docs: public static nd6ravariables[] get_filtered(nitro_service service, String filter) throws Exception{
  		nd6ravariables obj = new nd6ravariables();
  		options option = new options();
  		option.set_filter(filter);
  		nd6ravariables[] response = (nd6ravariables[]) obj.getfiltered(service, option);
  		return response;
  	}