GroveWatcher — Dynamic tracker of the changes of the grove as a whole.
class GroveWatcher : public GroveWatcherBaseSernaApi::GroveWatcherBase,
public RefCountedWrappedObjectSernaApi::RefCountedWrappedObject
{
public:
// construct/copy/destruct
GroveWatcher();
~GroveWatcher();
// public member functions
};