the official SDKs will only support an api once there's a spec that allows it. for const attributes, generally these should be defined at the resource / provid

the official SDKs will only support an api once there's a spec that allows it. for const attributes, generally these should be defined at the resource / provider level: https://pkg.go.dev/go.opentelemetry.io/otel/sdk/metric#WithResource https://pkg.go.dev/go.opentelemetry.io/otel/sdk/metric#WithR...