/usr/lib/x86_64-linux-gnu/ is in libkf5pimtextedit-dev 17.12.3-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/cmake/
/usr/lib/x86_64-linux-gnu/cmake/KF5PimTextEdit/
/usr/lib/x86_64-linux-gnu/cmake/KF5PimTextEdit/KF5PimTextEditConfig.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5PimTextEdit/KF5PimTextEditConfigVersion.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5PimTextEdit/KF5PimTextEditTargets-debian.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5PimTextEdit/KF5PimTextEditTargets.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_KPIMTextEdit.pri
/usr/lib/x86_64-linux-gnu/qt5/plugins/
/usr/lib/x86_64-linux-gnu/qt5/plugins/designer/
/usr/lib/x86_64-linux-gnu/qt5/plugins/designer/kpimtexteditwidgets.so
/usr/lib/x86_64-linux-gnu/libKF5PimTextEdit.so