/usr/lib/ is in libkf5activitiesstats-dev 5.44.0-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/cmake/
/usr/lib/x86_64-linux-gnu/cmake/KF5ActivitiesStats/
/usr/lib/x86_64-linux-gnu/cmake/KF5ActivitiesStats/KF5ActivitiesStatsConfig.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5ActivitiesStats/KF5ActivitiesStatsConfigVersion.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5ActivitiesStats/KF5ActivitiesStatsLibraryTargets-debian.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5ActivitiesStats/KF5ActivitiesStatsLibraryTargets.cmake
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/libKActivitiesStats.pc
/usr/lib/x86_64-linux-gnu/qt5/
/usr/lib/x86_64-linux-gnu/qt5/mkspecs/
/usr/lib/x86_64-linux-gnu/qt5/mkspecs/modules/
/usr/lib/x86_64-linux-gnu/qt5/mkspecs/modules/qt_KActivitiesStats.pri
/usr/lib/x86_64-linux-gnu/libKF5ActivitiesStats.so