Cleanup should be called before shutting down the process; this allows and observers to clean, and maybe push any results it may have collected.

For function returns a configured observer for the given type, and provided config map.

InstrumentAPIHandler is a convenience function.

InstrumentViewHandler is a convenience function.

Register is called by the init functions of the observers.

Registered returns the set of Registered observers.

Interface.

Observer is able to be observed via the collectors it provides.

CleanUpFunc is a function that is called before the process ends.

ErrObserverAlreadyExists is returned if an observer try to register to an observer type that has already registered.

ErrObserverIsNotRegistered is returned if a requested observer type has not been already registered.

InitFunc is a function that is used to configure a observer.