/usr/ is in libkf5kontactinterface-dev 16.04.2-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/qt5/mkspecs/
/usr/include/
/usr/include/KF5/
/usr/include/KF5/KontactInterface/
/usr/include/KF5/KontactInterface/KontactInterface/
/usr/include/KF5/KontactInterface/KontactInterface/Core
/usr/include/KF5/KontactInterface/KontactInterface/PimUniqueApplication
/usr/include/KF5/KontactInterface/KontactInterface/Plugin
/usr/include/KF5/KontactInterface/KontactInterface/Processes
/usr/include/KF5/KontactInterface/KontactInterface/Summary
/usr/include/KF5/KontactInterface/KontactInterface/UniqueAppHandler
/usr/include/KF5/KontactInterface/kontactinterface/
/usr/lib/x86_64-linux-gnu/qt5/mkspecs/modules/
/usr/include/KF5/KontactInterface/kontactinterface/core.h
/usr/include/KF5/KontactInterface/kontactinterface/kontactinterface_export.h
/usr/include/KF5/KontactInterface/kontactinterface/pimuniqueapplication.h
/usr/include/KF5/KontactInterface/kontactinterface/plugin.h
/usr/include/KF5/KontactInterface/kontactinterface/processes.h
/usr/include/KF5/KontactInterface/kontactinterface/summary.h
/usr/include/KF5/KontactInterface/kontactinterface/uniqueapphandler.h
/usr/include/KF5/kontactinterface_version.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/cmake/
/usr/lib/x86_64-linux-gnu/cmake/KF5KontactInterface/
/usr/lib/x86_64-linux-gnu/cmake/KF5KontactInterface/KF5KontactInterfaceConfig.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5KontactInterface/KF5KontactInterfaceConfigVersion.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5KontactInterface/KF5KontactInterfaceTargets-debian.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5KontactInterface/KF5KontactInterfaceTargets.cmake
/usr/lib/x86_64-linux-gnu/qt5/
/usr/lib/x86_64-linux-gnu/qt5/mkspecs/modules/qt_KontactInterface.pri
/usr/share/
/usr/share/doc/
/usr/share/doc/libkf5kontactinterface-dev/
/usr/share/doc/libkf5kontactinterface-dev/changelog.Debian.gz
/usr/share/doc/libkf5kontactinterface-dev/copyright
/usr/lib/x86_64-linux-gnu/libKF5KontactInterface.so