This is used to delegate to a deployed instance of Hazelcast Management Center, as shown in the following code:
<management-center enabled="true" update-interval="5">
http://manager-center-host:8080/mancenter
</management-center>
ManagementCenterConfig mmc = config.getManagementCenterConfig();
mmc.setUrl("http://manager-center-host:8080/mancenter")
.setUpdateInterval(5).setEnabled(true);