const net/http.http2cipher_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256

one use

	net/http (current package)
		h2_bundle.go#L302: 	http2cipher_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256      uint16 = 0xC02B