DomainItem
DomainItem* rootItem = new DomainItem("", true);
DomainItem* item = (DomainItem*)fDomains->FullListItemAt(i);
DomainItem* item = (DomainItem*)fDomains->FullListItemAt(i);
DomainItem* stringItem = (DomainItem*)existing;
BStringItem* domainItem = new DomainItem(domain, fake);
DomainItem(BString text, bool empty)