Imports
- github.com/go-kit/kit/endpoint
- github.com/go-kit/kit/tracing/opentracing
- github.com/go-kit/kit/transport/grpc
- github.com/golang/protobuf/ptypes/empty
- github.com/opentracing/opentracing-go
- google.golang.org/grpc
- google.golang.org/grpc/codes
- google.golang.org/grpc/status