/usr/lib/ is in libkf5unitconversion-dev 5.28.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/qt5/
/usr/lib/x86_64-linux-gnu/qt5/mkspecs/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/cmake/
/usr/lib/x86_64-linux-gnu/cmake/KF5UnitConversion/
/usr/lib/x86_64-linux-gnu/cmake/KF5UnitConversion/KF5UnitConversionConfig.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5UnitConversion/KF5UnitConversionConfigVersion.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5UnitConversion/KF5UnitConversionTargets-debian.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5UnitConversion/KF5UnitConversionTargets.cmake
/usr/lib/x86_64-linux-gnu/qt5/mkspecs/modules/
/usr/lib/x86_64-linux-gnu/qt5/mkspecs/modules/qt_KUnitConversion.pri
/usr/lib/x86_64-linux-gnu/libKF5UnitConversion.so