NewBroadcaster registers a set of listeners that support the Listener interface and notifies them all on changes.

NewMux creates a new mux that can merge changes from multiple sources.

Mux is a class for merging configuration from multiple sources.

Accessor is an interface for retrieving the current merge state.

AccessorFunc implements the Accessor interface.

ListenerFunc receives a representation of the change or object.

MergeFunc implements the Merger interface.