/usr/ is in libqt5xdgiconloader-dev 2.0.0-5.
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..
/usr/include/qt5xdgiconloader/2.0.0/private/
/usr/include/
/usr/include/qt5xdgiconloader/
/usr/include/qt5xdgiconloader/2.0.0/
/usr/include/qt5xdgiconloader/2.0.0/private/xdgiconloader/
/usr/include/qt5xdgiconloader/2.0.0/private/xdgiconloader/xdgiconloader_p.h
/usr/include/qt5xdgiconloader/xdgiconloader_export.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/Qt5XdgIconLoader.pc
/usr/share/
/usr/share/cmake/
/usr/share/cmake/qt5xdgiconloader/
/usr/share/cmake/qt5xdgiconloader/qt5xdgiconloader-config-version.cmake
/usr/share/cmake/qt5xdgiconloader/qt5xdgiconloader-config.cmake
/usr/share/cmake/qt5xdgiconloader/qt5xdgiconloader-targets-relwithdebinfo.cmake
/usr/share/cmake/qt5xdgiconloader/qt5xdgiconloader-targets.cmake
/usr/share/doc/
/usr/share/doc/libqt5xdgiconloader-dev/
/usr/share/doc/libqt5xdgiconloader-dev/changelog.Debian.gz
/usr/share/doc/libqt5xdgiconloader-dev/changelog.gz
/usr/share/doc/libqt5xdgiconloader-dev/copyright
/usr/lib/x86_64-linux-gnu/libQt5XdgIconLoader.so