/usr/lib/ is in libkf5incidenceeditor-dev 16.04.2-2+b2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/cmake/
/usr/lib/x86_64-linux-gnu/cmake/KF5IncidenceEditor/
/usr/lib/x86_64-linux-gnu/cmake/KF5IncidenceEditor/KF5IncidenceEditorConfig.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5IncidenceEditor/KF5IncidenceEditorConfigVersion.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5IncidenceEditor/KF5IncidenceEditorTargets-debian.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5IncidenceEditor/KF5IncidenceEditorTargets.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_IncidenceEditor.pri
/usr/lib/x86_64-linux-gnu/libKF5IncidenceEditor.so