Imports github.com/golang/protobuf/protoc-gen-go/generator github.com/chai2010/qingcloud-go/pkg/api/spec_metadata github.com/golang/protobuf/protoc-gen-go/descriptor github.com/golang/protobuf/proto github.com/golang/protobuf/protoc-gen-go/plugin Standard library imports path strings bytes fmt go/format io/ioutil log os