@Override
    public Void getResult() {
        return null;
    }
Task that is used by a newly joined cluster node to inform other cluster nodes that it has joined the cluster.
The task triggers the joinedCluster event for the newly joined node.

@author Emiel van der Herberg
xmppserver/src/main/java/org/jivesoftware/openfire/muc/cluster/NewClusterMemberJoinedTask.java