partial         void CopyExtraPropertiesToClone(TicketSearchResult clone, bool includeLocalProperties);
 public TicketSearchResult Clone(bool includeLocalProperties)
 {
     var c = new TicketSearchResult
             {
                 ExternalSystem = ExternalSystem,
                 ExternalSystemId = ExternalSystemId,
                 ExternalSystemName = ExternalSystemName,
                 Id = Id,
                 IncidentId = IncidentId,
                 InternalKey = InternalKey,
                 Key = Key,
                 Status = Status,
                 Summary = Summary,
                 Type = Type,
                 Url = Url,
             };
     CopyExtraPropertiesToClone(c, includeLocalProperties);
     return c;
 }