code: public static af_persistant_stat_info[] get_filtered(nitro_service service, filtervalue[] filter) throws Exception
  	{
  		af_persistant_stat_info obj = new af_persistant_stat_info();
  		options option = new options();
  		option.set_filter(filter);
  		af_persistant_stat_info[] response = (af_persistant_stat_info[]) obj.getfiltered(service, option);
  		return response;
  	}
docs: Use this API to fetch filtered set of af_persistant_stat_info resources.
  set the filter parameter values in filtervalue object.