/usr/lib/ is in libkf5service-dev 5.18.0-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/cmake/KF5Service/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/cmake/
/usr/lib/x86_64-linux-gnu/cmake/KF5Service/KF5ServiceTargets-debian.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5Service/KF5ServiceTargets.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5Service/KF5ServiceMacros.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5Service/KF5ServiceConfigVersion.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5Service/KF5ServiceConfig.cmake
/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_KService.pri
/usr/lib/x86_64-linux-gnu/libKF5Service.so