https://grafana.com/docs/k6/latest/javascript-api/k6-net-grpc/client/client-loadprotoset/
Client.loadProtoset(protosetPath) | Grafana k6 documentation
Loads and parses the protoset file (serialized FileDescriptor set) so they are available to the client to marshal/unmarshal the correct request and response...
clientgrafanadocumentation