/usr/ is in libkf5guiaddons-dev 5.28.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/
/usr/include/KF5/
/usr/include/KF5/KGuiAddons/
/usr/include/KF5/KGuiAddons/KColorCollection
/usr/include/KF5/KGuiAddons/KColorMimeData
/usr/include/KF5/KGuiAddons/KColorUtils
/usr/include/KF5/KGuiAddons/KDateValidator
/usr/include/KF5/KGuiAddons/KFontUtils
/usr/include/KF5/KGuiAddons/KIconUtils
/usr/include/KF5/KGuiAddons/KImageCache
/usr/include/KF5/KGuiAddons/KModifierKeyInfo
/usr/include/KF5/KGuiAddons/KWordWrap
/usr/include/KF5/KGuiAddons/kcolorcollection.h
/usr/include/KF5/KGuiAddons/kcolormimedata.h
/usr/include/KF5/KGuiAddons/kcolorutils.h
/usr/include/KF5/KGuiAddons/kdatevalidator.h
/usr/include/KF5/KGuiAddons/kfontutils.h
/usr/include/KF5/KGuiAddons/kguiaddons_export.h
/usr/include/KF5/KGuiAddons/kiconutils.h
/usr/include/KF5/KGuiAddons/kimagecache.h
/usr/include/KF5/KGuiAddons/klocalimagecacheimpl.h
/usr/include/KF5/KGuiAddons/kmodifierkeyinfo.h
/usr/include/KF5/KGuiAddons/kwordwrap.h
/usr/include/KF5/kguiaddons_version.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/cmake/
/usr/lib/x86_64-linux-gnu/cmake/KF5GuiAddons/
/usr/lib/x86_64-linux-gnu/cmake/KF5GuiAddons/KF5GuiAddonsConfig.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5GuiAddons/KF5GuiAddonsConfigVersion.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5GuiAddons/KF5GuiAddonsTargets-debian.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5GuiAddons/KF5GuiAddonsTargets.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_KGuiAddons.pri
/usr/share/
/usr/share/doc/
/usr/share/doc/libkf5guiaddons-dev/
/usr/share/doc/libkf5guiaddons-dev/README.md
/usr/share/doc/libkf5guiaddons-dev/changelog.Debian.gz
/usr/share/doc/libkf5guiaddons-dev/copyright
/usr/lib/x86_64-linux-gnu/libKF5GuiAddons.so