/usr/lib/ is in libkf5kdepimdbusinterfaces-dev 4:16.04.2-2.
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/KF5KdepimDBusInterfaces/
/usr/lib/x86_64-linux-gnu/cmake/KF5KdepimDBusInterfaces/KF5KdepimDBusInterfacesConfig.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5KdepimDBusInterfaces/KF5KdepimDBusInterfacesConfigVersion.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5KdepimDBusInterfaces/KF5KdepimDBusInterfacesTargets-debian.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5KdepimDBusInterfaces/KF5KdepimDBusInterfacesTargets.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_KdepimDBusInterfaces.pri
/usr/lib/x86_64-linux-gnu/libKF5KdepimDBusInterfaces.so