Imports google.golang.org/genproto/googleapis/api/annotations github.com/golang/protobuf/protoc-gen-go/plugin github.com/golang/glog github.com/golang/protobuf/proto github.com/grpc-ecosystem/grpc-gateway/protoc-gen-grpc-gateway/descriptor github.com/pkg/errors Standard library imports go/format text/template bytes fmt path path/filepath strings