Imports github.com/golang/protobuf/proto goa.design/goa/middleware goa.design/goa/middleware/xray google.golang.org/grpc google.golang.org/grpc/metadata google.golang.org/grpc/peer google.golang.org/grpc/status goa.design/goa/grpc/middleware google.golang.org/grpc/codes Standard library imports context fmt io net sync time