/usr/lib/x86_64-linux-gnu/ is in libkf5kaddressbookimportexport-dev 4:17.12.3-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/cmake/
/usr/lib/x86_64-linux-gnu/cmake/KF5KaddressbookImportExport/
/usr/lib/x86_64-linux-gnu/cmake/KF5KaddressbookImportExport/KF5KaddressbookImportExportConfig.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5KaddressbookImportExport/KF5KaddressbookImportExportConfigVersion.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5KaddressbookImportExport/KF5KaddressbookImportExportTargets-debian.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5KaddressbookImportExport/KF5KaddressbookImportExportTargets.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_KaddressbookImportExport.pri
/usr/lib/x86_64-linux-gnu/libKF5KaddressbookImportExport.so