type MutableHealthzHandler … func (h *MutableHealthzHandler) ServeHTTP(writer http.ResponseWriter, request *http.Request) { … } // AddHealthChecker adds health check(s) to the handler. // // Every time this function is called, the handler have to be re-initiated. // It is advised to add as many checks at once as possible. func (h *MutableHealthzHandler) AddHealthChecker(checks ...healthz.HealthChecker) { … } func NewMutableHealthzHandler(checks ...healthz.HealthChecker) *MutableHealthzHandler { … }