helloworld/proto/greet.triple.go
otel/tracing/stdout/proto/greet.triple.go

helloworld/proto/greet.proto
otel/tracing/stdout/proto/greet.proto

helloworld/proto/greet.pb.go
otel/tracing/stdout/proto/greet.pb.go

helloworld/go-client/cmd/main.go
otel/tracing/stdout/go-client/cmd/main.go

helloworld/go-server/cmd/main.go
otel/tracing/stdout/go-server/cmd/main.go