var expvar.varKeysMu

5 uses

	expvar (current package)
		expvar.go#L269: 	varKeysMu sync.RWMutex
		expvar.go#L280: 	varKeysMu.Lock()
		expvar.go#L281: 	defer varKeysMu.Unlock()
		expvar.go#L324: 	varKeysMu.RLock()
		expvar.go#L325: 	defer varKeysMu.RUnlock()