/usr/lib/x86_64-linux-gnu/ is in libkreport3-dev 3.1.0-2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/cmake/
/usr/lib/x86_64-linux-gnu/cmake/KReport3/
/usr/lib/x86_64-linux-gnu/cmake/KReport3/KReportConfig.cmake
/usr/lib/x86_64-linux-gnu/cmake/KReport3/KReportConfigVersion.cmake
/usr/lib/x86_64-linux-gnu/cmake/KReport3/KReportQCHTargets.cmake
/usr/lib/x86_64-linux-gnu/cmake/KReport3/KReportTargets-debian.cmake
/usr/lib/x86_64-linux-gnu/cmake/KReport3/KReportTargets.cmake
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/KReport3.pc
/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_KReport3.pri
/usr/lib/x86_64-linux-gnu/libKReport3.so