/usr/ is in libkf5activities-dev 5.18.0-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/libKActivities.pc
/usr/lib/x86_64-linux-gnu/cmake/
/usr/lib/x86_64-linux-gnu/cmake/KF5Activities/
/usr/lib/x86_64-linux-gnu/cmake/KF5Activities/KF5ActivitiesConfigVersion.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5Activities/KF5ActivitiesConfig.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5Activities/KF5ActivitiesLibraryTargets.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5Activities/KF5ActivitiesLibraryTargets-debian.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_KActivities.pri
/usr/include/
/usr/include/KF5/
/usr/include/KF5/kactivities_version.h
/usr/include/KF5/KActivities/
/usr/include/KF5/KActivities/kactivities/
/usr/include/KF5/KActivities/kactivities/resourceinstance.h
/usr/include/KF5/KActivities/kactivities/consumer.h
/usr/include/KF5/KActivities/kactivities/info.h
/usr/include/KF5/KActivities/kactivities/version.h
/usr/include/KF5/KActivities/kactivities/controller.h
/usr/include/KF5/KActivities/kactivities/kactivities_export.h
/usr/include/KF5/KActivities/KActivities/
/usr/include/KF5/KActivities/KActivities/Info
/usr/include/KF5/KActivities/KActivities/Version
/usr/include/KF5/KActivities/KActivities/ResourceInstance
/usr/include/KF5/KActivities/KActivities/Controller
/usr/include/KF5/KActivities/KActivities/Consumer
/usr/share/
/usr/share/doc/
/usr/share/doc/libkf5activities-dev/
/usr/share/doc/libkf5activities-dev/copyright
/usr/lib/x86_64-linux-gnu/libKF5Activities.so
/usr/share/doc/libkf5activities-dev/changelog.Debian.gz