/usr/include/ is in libtopic-tools-dev 1.11.16-3.
This file is owned by root:root, with mode 0o755.
..
/usr/include/topic_tools/DemuxSelectResponse.h
/usr/include/topic_tools/
/usr/include/topic_tools/MuxListRequest.h
/usr/include/topic_tools/DemuxSelect.h
/usr/include/topic_tools/MuxDeleteRequest.h
/usr/include/topic_tools/parse.h
/usr/include/topic_tools/MuxSelect.h
/usr/include/topic_tools/DemuxAddResponse.h
/usr/include/topic_tools/MuxAddRequest.h
/usr/include/topic_tools/MuxAdd.h
/usr/include/topic_tools/macros.h
/usr/include/topic_tools/DemuxListRequest.h
/usr/include/topic_tools/DemuxDeleteResponse.h
/usr/include/topic_tools/DemuxAddRequest.h
/usr/include/topic_tools/MuxListResponse.h
/usr/include/topic_tools/MuxDeleteResponse.h
/usr/include/topic_tools/DemuxDeleteRequest.h
/usr/include/topic_tools/DemuxListResponse.h
/usr/include/topic_tools/MuxDelete.h
/usr/include/topic_tools/MuxAddResponse.h
/usr/include/topic_tools/MuxSelectRequest.h
/usr/include/topic_tools/DemuxSelectRequest.h
/usr/include/topic_tools/DemuxList.h
/usr/include/topic_tools/shape_shifter.h
/usr/include/topic_tools/DemuxDelete.h
/usr/include/topic_tools/MuxSelectResponse.h
/usr/include/topic_tools/MuxList.h
/usr/include/topic_tools/DemuxAdd.h