/usr/ is in libkf5auth-dev 5.44.0-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/
/usr/include/KF5/
/usr/include/KF5/KAuth/
/usr/include/KF5/KAuth/KAuth
/usr/include/KF5/KAuth/KAuthAction
/usr/include/KF5/KAuth/KAuthActionReply
/usr/include/KF5/KAuth/KAuthExecuteJob
/usr/include/KF5/KAuth/KAuthHelperSupport
/usr/include/KF5/KAuth/KAuthObjectDecorator
/usr/include/KF5/KAuth/kauth.h
/usr/include/KF5/KAuth/kauth_export.h
/usr/include/KF5/KAuth/kauthaction.h
/usr/include/KF5/KAuth/kauthactionreply.h
/usr/include/KF5/KAuth/kauthexecutejob.h
/usr/include/KF5/KAuth/kauthhelpersupport.h
/usr/include/KF5/KAuth/kauthobjectdecorator.h
/usr/include/KF5/kauth_version.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/cmake/
/usr/lib/x86_64-linux-gnu/cmake/KF5Auth/
/usr/lib/x86_64-linux-gnu/cmake/KF5Auth/KF5AuthConfig.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5Auth/KF5AuthConfigVersion.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5Auth/KF5AuthMacros.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5Auth/KF5AuthTargets-debian.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5Auth/KF5AuthTargets.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_KAuth.pri
/usr/share/
/usr/share/doc/
/usr/share/doc/libkf5auth-dev/
/usr/share/doc/libkf5auth-dev/copyright
/usr/lib/x86_64-linux-gnu/libKF5Auth.so
/usr/share/doc/libkf5auth-dev/changelog.Debian.gz