/usr/ is in libqjson-dev 0.7.1-6.
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/usr/share/
/usr/share/doc/
/usr/share/doc/libqjson-dev/
/usr/share/doc/libqjson-dev/copyright
/usr/include/
/usr/include/qjson/
/usr/include/qjson/parser.h
/usr/include/qjson/parserrunnable.h
/usr/include/qjson/qobjecthelper.h
/usr/include/qjson/qjson_export.h
/usr/include/qjson/serializer.h
/usr/include/qjson/serializerrunnable.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/QJson.pc
/usr/lib/x86_64-linux-gnu/cmake/
/usr/lib/x86_64-linux-gnu/cmake/qjson/
/usr/lib/x86_64-linux-gnu/cmake/qjson/qjson-config-version.cmake
/usr/lib/x86_64-linux-gnu/cmake/qjson/qjson-config.cmake
/usr/share/doc/libqjson-dev/changelog.Debian.gz
/usr/lib/x86_64-linux-gnu/libqjson.so