var mime.extensionsMu

5 uses

	mime (current package)
		type.go#L21: 	extensionsMu sync.Mutex // Guards stores (but not loads) on extensions.
		type.go#L45: 	extensionsMu.Lock()
		type.go#L46: 	defer extensionsMu.Unlock()
		type.go#L186: 	extensionsMu.Lock()
		type.go#L187: 	defer extensionsMu.Unlock()