Const
A string identifying the kind of message consumption as defined in the Operation names section above. If the operation is "send", this attribute MUST NOT be set, since the operation can be inferred from the span kind in that case.
Use MESSAGING_OPERATION_TYPE_VALUE_PROCESS in [incubating entry-point](https://github.com/open-telemetry/opentelemetry-js/blob/main/semantic-conventions/README.md#unstable-semconv).
A string identifying the kind of message consumption as defined in the Operation names section above. If the operation is "send", this attribute MUST NOT be set, since the operation can be inferred from the span kind in that case.