Const
Unique host ID. For Cloud, this must be the instance_id assigned by the cloud provider.
Use ATTR_HOST_ID in [incubating entry-point](https://github.com/open-telemetry/opentelemetry-js/blob/main/semantic-conventions/README.md#unstable-semconv).
Unique host ID. For Cloud, this must be the instance_id assigned by the cloud provider.