/usr/ is in libinteractive-markers-dev 1.11.3-1build2.
This file is owned by root:root, with mode 0o755.
..
/usr/include/
/usr/include/interactive_markers/
/usr/include/interactive_markers/detail/
/usr/include/interactive_markers/detail/message_context.h
/usr/include/interactive_markers/detail/single_client.h
/usr/include/interactive_markers/detail/state_machine.h
/usr/include/interactive_markers/interactive_marker_client.h
/usr/include/interactive_markers/interactive_marker_server.h
/usr/include/interactive_markers/menu_handler.h
/usr/include/interactive_markers/tools.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/interactive_markers.pc
/usr/share/
/usr/share/doc/
/usr/share/doc/libinteractive-markers-dev/
/usr/share/doc/libinteractive-markers-dev/copyright
/usr/share/interactive_markers/
/usr/share/interactive_markers/cmake/
/usr/share/interactive_markers/cmake/interactive_markersConfig-version.cmake
/usr/share/interactive_markers/cmake/interactive_markersConfig.cmake
/usr/share/interactive_markers/package.xml
/usr/lib/x86_64-linux-gnu/libinteractive_markers.so
/usr/share/doc/libinteractive-markers-dev/changelog.Debian.gz