function _onDeactivate(){
		_deactivateTimer = null;

		if (_activityDetected && document.hidden !== true) {
			_onActivate();
			return;
		}

		_active = false;
		//_triggerEvent(_aDeactivateListeners); //Maybe provide later
		_domChangeObserver.observe(document.documentElement, {childList: true, attributes: true, subtree: true, characterData: true});
	}
Provides functionality for activity detection.

@namespace
@since 1.58
@alias module:sap/ui/util/ActivityDetection
@private
@ui5-restricted sap.ui.core