code: func (h *healthcheckManager) update(vserverName string, checks map[checkKey]*check) {
  	if checks == nil {
  		delete(h.vserverChecks, vserverName)
  	} else {
  		h.vserverChecks[vserverName] = checks
  	}
  	h.buildMaps()
  }
docs: // update updates the healthchecks for a vserver.