void ActiveEnumerableElementFaultChanged(object sender, ElementFaultChangeEventArgs e) => ElementFaultChanged?.Invoke(this, e);
void SourceFaultChanged(object sender, ElementFaultChangeEventArgs e) => ElementFaultChanged?.Invoke(sender, e);
void ElementFaultChangeNotifierElementFaultChanged(object sender, ElementFaultChangeEventArgs e) => ElementFaultChanged?.Invoke(sender, e);
protected virtual void OnElementFaultChanged(ElementFaultChangeEventArgs e) => ElementFaultChanged?.Invoke(this, e);