void stop() {
            log("Start stopping accepting connections (as Server Dialback Authoritative Server).");
            shouldStop = true;
            try {
                dialbackAuthoritativeServer.close();
                log("Closed server accepting connections (as Server Dialback Authoritative Server)");
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
Returns all stream 'to' attribute values (potential duplicates, but no null values) that were received from the
peer during the setup.

@return all stream 'to' attribute values received from the peer.
xmppserver/src/test/java/org/jivesoftware/openfire/session/RemoteInitiatingServerDummy.java