const crypto/tls.extensionCookie

6 uses

	crypto/tls (current package)
		common.go#L123: 	extensionCookie                  uint16 = 44
		handshake_messages.go#L270: 			echOuterExts = append(echOuterExts, extensionCookie)
		handshake_messages.go#L272: 			exts.AddUint16(extensionCookie)
		handshake_messages.go#L603: 		case extensionCookie:
		handshake_messages.go#L815: 		exts.AddUint16(extensionCookie)
		handshake_messages.go#L949: 		case extensionCookie: