public void RemoveFacilityLocationCriteria(FacilityLocationCriteriaViewModel facilityLocationCriteria)
 {
     _facilityLocationCriteriaVMs.Remove(facilityLocationCriteria);
 }
 public void AddFacilityLocationCriteria(FacilityLocationCriteriaViewModel facilityLocationCriteria)
 {
     _facilityLocationCriteriaVMs.Add(facilityLocationCriteria);
 }