/usr/ is in libtf2-dev 0.5.12-2.
This file is owned by root:root, with mode 0o755.
..
/usr/include/
/usr/include/tf2/
/usr/include/tf2/buffer_core.h
/usr/include/tf2/impl/
/usr/include/tf2/impl/utils.h
/usr/include/tf2/impl/convert.h
/usr/include/tf2/transform_storage.h
/usr/include/tf2/time_cache.h
/usr/include/tf2/LinearMath/
/usr/include/tf2/LinearMath/MinMax.h
/usr/include/tf2/LinearMath/Matrix3x3.h
/usr/include/tf2/LinearMath/Transform.h
/usr/include/tf2/LinearMath/Quaternion.h
/usr/include/tf2/LinearMath/Scalar.h
/usr/include/tf2/LinearMath/Vector3.h
/usr/include/tf2/LinearMath/QuadWord.h
/usr/include/tf2/utils.h
/usr/include/tf2/convert.h
/usr/include/tf2/transform_datatypes.h
/usr/include/tf2/exceptions.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/tf2.pc
/usr/share/
/usr/share/doc/
/usr/share/doc/libtf2-dev/
/usr/share/doc/libtf2-dev/copyright
/usr/share/tf2/
/usr/share/tf2/package.xml
/usr/share/tf2/cmake/
/usr/share/tf2/cmake/tf2Config-version.cmake
/usr/share/tf2/cmake/tf2Config.cmake
/usr/lib/x86_64-linux-gnu/libtf2.so
/usr/share/doc/libtf2-dev/changelog.Debian.gz