The API is considerably different in Go when compared to core/java and also as specified in [LRS APIs in XdsClient or LrsClient](https://github.com/grpc/proposal/blob/master/A85-lrs-custom-metrics-changes.md#lrs-apis-in-xdsclient-or-lrsclient) Ref: https://github.com/grpc/grpc-go/pull/9005/changes#r3012741971
The API is considerably different in Go when compared to core/java and also as specified in LRS APIs in XdsClient or LrsClient
Ref: https://github.com/grpc/grpc-go/pull/9005/changes#r3012741971