@Experimental public interface SyncListener extends SyncLoginListener, SyncCompletedListener, SyncChangeListener, SyncConnectionListener
SyncBuilder.listener(SyncListener) or SyncClient.setSyncListener(SyncListener).
See AbstractSyncListener for a no-op convenience implementation.
Use more specific listeners, like SyncLoginListener, to only receive a sub-set of events.
onLoggedIn, onLoginFailedonUpdatesCompletedonSyncChangesonDisconnected