public Map getFilterMap() {
   if (filter == null) {
     return null;
   } else {
     return BillCycleObjectHelper.toMap(
         (BillCycleObjectFilter) filter, new HashMap(), "BillCycle");
   }
 }
 public static BillCycleFindBulkParticipantQuery fromQueryMap(Map input) {
   BillCycleFindBulkParticipantQuery retVal = new BillCycleFindBulkParticipantQuery();
   retVal.setContext(BSDMSessionContext.fromMap(input));
   Map methodMap = (Map) input.get("BillCycleFind");
   if (methodMap != null) {
     Map filterMap = (Map) methodMap.get("BillCycle");
     Integer index = (Integer) methodMap.get("Index");
     if (filterMap != null) {
       retVal.setFilter(BillCycleObjectHelper.getFilter(filterMap));
     }
     if (retVal.getFilter() != null && index != null) {
       retVal.getFilter().setIndex(index);
     }
   }
   return retVal;
 }