/usr/include/msgpack/preprocessor/repetition/ is in libmsgpack-dev 2.1.5-1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/msgpack/preprocessor/repetition/deduce_r.hpp
/usr/include/msgpack/preprocessor/repetition/deduce_z.hpp
/usr/include/msgpack/preprocessor/repetition/detail/
/usr/include/msgpack/preprocessor/repetition/detail/dmc/
/usr/include/msgpack/preprocessor/repetition/detail/dmc/for.hpp
/usr/include/msgpack/preprocessor/repetition/detail/edg/
/usr/include/msgpack/preprocessor/repetition/detail/edg/for.hpp
/usr/include/msgpack/preprocessor/repetition/detail/for.hpp
/usr/include/msgpack/preprocessor/repetition/detail/msvc/
/usr/include/msgpack/preprocessor/repetition/detail/msvc/for.hpp
/usr/include/msgpack/preprocessor/repetition/enum.hpp
/usr/include/msgpack/preprocessor/repetition/enum_binary_params.hpp
/usr/include/msgpack/preprocessor/repetition/enum_params.hpp
/usr/include/msgpack/preprocessor/repetition/enum_params_with_a_default.hpp
/usr/include/msgpack/preprocessor/repetition/enum_params_with_defaults.hpp
/usr/include/msgpack/preprocessor/repetition/enum_shifted.hpp
/usr/include/msgpack/preprocessor/repetition/enum_shifted_binary_params.hpp
/usr/include/msgpack/preprocessor/repetition/enum_shifted_params.hpp
/usr/include/msgpack/preprocessor/repetition/enum_trailing.hpp
/usr/include/msgpack/preprocessor/repetition/enum_trailing_binary_params.hpp
/usr/include/msgpack/preprocessor/repetition/enum_trailing_params.hpp
/usr/include/msgpack/preprocessor/repetition/for.hpp
/usr/include/msgpack/preprocessor/repetition/repeat.hpp
/usr/include/msgpack/preprocessor/repetition/repeat_from_to.hpp