func net/http/httputil.upgradeType

4 uses

	net/http/httputil (current package)
		reverseproxy.go#L464: 	reqUpType := upgradeType(outreq.Header)
		reverseproxy.go#L815: func upgradeType(h http.Header) string {
		reverseproxy.go#L823: 	reqUpType := upgradeType(req.Header)
		reverseproxy.go#L824: 	resUpType := upgradeType(res.Header)