return isInUse;
return false;
    public boolean isAliasInUse(String alias) {        boolean isInUse = false;        for (Iterator iter = getAliasOwners().iterator(); iter.hasNext();) {            AliasOwner owner = (AliasOwner) iter.next();            if (owner.isAliasInUse(alias)) {                isInUse = true;                break;            }        }        return isInUse;    }