/usr/ is in libbaloowidgets-dev 4:4.13.0-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/cmake/
/usr/lib/cmake/BalooWidgets/
/usr/lib/cmake/BalooWidgets/BalooWidgetsConfigVersion.cmake
/usr/lib/cmake/BalooWidgets/BalooWidgetsTargetsWithPrefix.cmake
/usr/lib/cmake/BalooWidgets/BalooWidgetsTargetsWithPrefix-debian.cmake
/usr/lib/cmake/BalooWidgets/BalooWidgetsConfig.cmake
/usr/share/
/usr/share/doc/
/usr/share/doc/libbaloowidgets-dev/
/usr/share/doc/libbaloowidgets-dev/copyright
/usr/include/
/usr/include/baloo/
/usr/include/baloo/filemetadataconfigwidget.h
/usr/include/baloo/filemetadatawidget.h
/usr/include/baloo/widgets_export.h
/usr/include/baloo/tagwidget.h
/usr/lib/libbaloowidgets.so
/usr/share/doc/libbaloowidgets-dev/changelog.Debian.gz