var google.golang.org/protobuf/internal/impl.needsInitCheckMu

3 uses

	google.golang.org/protobuf/internal/impl (current package)
		checkinit.go#L119: 	needsInitCheckMu  sync.Mutex
		checkinit.go#L132: 	needsInitCheckMu.Lock()
		checkinit.go#L133: 	defer needsInitCheckMu.Unlock()