}

            // Compute User IDs with Domain ID to get User SIDs
            // First extra is user if userId is empty
            if ( !userId.isEmpty() && !userId.isBlank() ) {
                this.userSid = new SID(domainId, userId);
            }
            else if ( this.extraSids.length > 0 ) {
                this.userSid = this.extraSids[ 0 ];
            }