Subscribe to a cluster client's contact point changes where
it is guaranteed that a sender receives the initial state
of contact points prior to any events in relation to them
changing.
The sender will automatically become unsubscribed when it
terminates.
Subscribe to a cluster client's contact point changes where it is guaranteed that a sender receives the initial state of contact points prior to any events in relation to them changing. The sender will automatically become unsubscribed when it terminates.