var net/http.http2commonLowerHeader

4 uses

	net/http (current package)
		h2_bundle.go#L3167: 	http2commonLowerHeader map[string]string // Go-Canonical-Case -> lower-case
		h2_bundle.go#L3225: 	http2commonLowerHeader = make(map[string]string, len(common))
		h2_bundle.go#L3229: 		http2commonLowerHeader[chk] = v
		h2_bundle.go#L3236: 	if s, ok := http2commonLowerHeader[v]; ok {