/usr/share/gocode/src/github.com/golang/protobuf/ptypes/ is in golang-goprotobuf-dev 0.0~git20170808.0.1909bc2-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/gocode/src/github.com/golang/protobuf/ptypes/any/
/usr/share/gocode/src/github.com/golang/protobuf/ptypes/any.go
/usr/share/gocode/src/github.com/golang/protobuf/ptypes/any/any.pb.go
/usr/share/gocode/src/github.com/golang/protobuf/ptypes/any/any.proto
/usr/share/gocode/src/github.com/golang/protobuf/ptypes/any_test.go
/usr/share/gocode/src/github.com/golang/protobuf/ptypes/doc.go
/usr/share/gocode/src/github.com/golang/protobuf/ptypes/duration/
/usr/share/gocode/src/github.com/golang/protobuf/ptypes/duration.go
/usr/share/gocode/src/github.com/golang/protobuf/ptypes/duration/duration.pb.go
/usr/share/gocode/src/github.com/golang/protobuf/ptypes/duration/duration.proto
/usr/share/gocode/src/github.com/golang/protobuf/ptypes/duration_test.go
/usr/share/gocode/src/github.com/golang/protobuf/ptypes/empty/
/usr/share/gocode/src/github.com/golang/protobuf/ptypes/empty/empty.pb.go
/usr/share/gocode/src/github.com/golang/protobuf/ptypes/empty/empty.proto
/usr/share/gocode/src/github.com/golang/protobuf/ptypes/struct/
/usr/share/gocode/src/github.com/golang/protobuf/ptypes/struct/struct.pb.go
/usr/share/gocode/src/github.com/golang/protobuf/ptypes/struct/struct.proto
/usr/share/gocode/src/github.com/golang/protobuf/ptypes/timestamp/
/usr/share/gocode/src/github.com/golang/protobuf/ptypes/timestamp.go
/usr/share/gocode/src/github.com/golang/protobuf/ptypes/timestamp/timestamp.pb.go
/usr/share/gocode/src/github.com/golang/protobuf/ptypes/timestamp/timestamp.proto
/usr/share/gocode/src/github.com/golang/protobuf/ptypes/timestamp_test.go
/usr/share/gocode/src/github.com/golang/protobuf/ptypes/wrappers/
/usr/share/gocode/src/github.com/golang/protobuf/ptypes/wrappers/wrappers.pb.go
/usr/share/gocode/src/github.com/golang/protobuf/ptypes/wrappers/wrappers.proto