Variable SEMATTRS_MESSAGE_TYPE`Const`

SEMATTRS_MESSAGE_TYPE: "message.type" = TMP_MESSAGE_TYPE

Whether this is a received or sent message.

Deprecated

Use ATTR_MESSAGE_TYPE in [incubating entry-point](https://github.com/open-telemetry/opentelemetry-js/blob/main/semantic-conventions/README.md#unstable-semconv).