/usr/include/pwiz/libraries/boost_aux/ is in libpwiz-dev 3.0.10827-4.
This file is owned by root:root, with mode 0o755.
..
/usr/include/pwiz/libraries/boost_aux/boost/
/usr/include/pwiz/libraries/boost_aux/boost/enum/
/usr/include/pwiz/libraries/boost_aux/boost/enum.hpp
/usr/include/pwiz/libraries/boost_aux/boost/enum/base.hpp
/usr/include/pwiz/libraries/boost_aux/boost/enum/bitfield.hpp
/usr/include/pwiz/libraries/boost_aux/boost/enum/iterator.hpp
/usr/include/pwiz/libraries/boost_aux/boost/enum/macros.hpp
/usr/include/pwiz/libraries/boost_aux/boost/foreach_field.hpp
/usr/include/pwiz/libraries/boost_aux/boost/interprocess/
/usr/include/pwiz/libraries/boost_aux/boost/interprocess/detail/
/usr/include/pwiz/libraries/boost_aux/boost/interprocess/detail/win32_api.hpp
/usr/include/pwiz/libraries/boost_aux/boost/iostreams/
/usr/include/pwiz/libraries/boost_aux/boost/iostreams/arbitrary_positional_facade.hpp
/usr/include/pwiz/libraries/boost_aux/boost/iostreams/filter/
/usr/include/pwiz/libraries/boost_aux/boost/iostreams/filter/base64.hpp
/usr/include/pwiz/libraries/boost_aux/boost/nowide/
/usr/include/pwiz/libraries/boost_aux/boost/nowide/args.hpp
/usr/include/pwiz/libraries/boost_aux/boost/nowide/cenv.hpp
/usr/include/pwiz/libraries/boost_aux/boost/nowide/config.hpp
/usr/include/pwiz/libraries/boost_aux/boost/nowide/convert.hpp
/usr/include/pwiz/libraries/boost_aux/boost/nowide/cstdio.hpp
/usr/include/pwiz/libraries/boost_aux/boost/nowide/cstdlib.hpp
/usr/include/pwiz/libraries/boost_aux/boost/nowide/filebuf.hpp
/usr/include/pwiz/libraries/boost_aux/boost/nowide/fstream.hpp
/usr/include/pwiz/libraries/boost_aux/boost/nowide/iostream.hpp
/usr/include/pwiz/libraries/boost_aux/boost/nowide/stackstring.hpp
/usr/include/pwiz/libraries/boost_aux/boost/nowide/system.hpp
/usr/include/pwiz/libraries/boost_aux/boost/nowide/windows.hpp
/usr/include/pwiz/libraries/boost_aux/boost/utility/
/usr/include/pwiz/libraries/boost_aux/boost/utility/detail/
/usr/include/pwiz/libraries/boost_aux/boost/utility/detail/member_dereference.hpp
/usr/include/pwiz/libraries/boost_aux/boost/utility/detail/restricted.hpp
/usr/include/pwiz/libraries/boost_aux/boost/utility/detail/singleton_manager.hpp
/usr/include/pwiz/libraries/boost_aux/boost/utility/mutexed_singleton.hpp
/usr/include/pwiz/libraries/boost_aux/boost/utility/singleton.hpp
/usr/include/pwiz/libraries/boost_aux/boost/utility/thread_specific_singleton.hpp
/usr/include/pwiz/libraries/boost_aux/tools/
/usr/include/pwiz/libraries/boost_aux/tools/bcp/
/usr/include/pwiz/libraries/boost_aux/tools/bcp/bcp.hpp
/usr/include/pwiz/libraries/boost_aux/tools/bcp/bcp_imp.hpp
/usr/include/pwiz/libraries/boost_aux/tools/bcp/fileview.hpp
/usr/include/pwiz/libraries/boost_aux/tools/bcp/licence_info.hpp