All Known Implementing Classes:
HubImpl

@Contract public interface Hub
The central repository of configuration objects in the system. Configuration objects are organized by type, and within that type keyed instances of the configuration object.

A configuration object can be a java bean following the java bean standard. A configuration object can also be a bean-like Map, which is a Map<String,Object> that has as keys the names of the properties and as values value that property should take