I want a GCS-backed retriever in github.com/google/cql/retriever/gcs for evaluating CQL against FHIR R4…

I want a GCS-backed retriever in github.com/google/cql/retriever/gcs for evaluating CQL against FHIR R4…: a task in MiMo-V2.6-RL-harbor-code: MiMo-V2.6-RL Code (Harbor) (Harbor dataset). A typical session should work like: ret, err := gcsretriever.New("gs://TestBucket/TestFile", serverURL) and…