const net/http/internal/http2.cipher_TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384

one use

	net/http/internal/http2 (current package)
		ciphers.go#L299: 	cipher_TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384 uint16 = 0xC087