/usr/ is in libhkl-dev 5.0.0.2449-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/include/
/usr/include/hkl-5/
/usr/include/hkl-5/hkl/
/usr/include/hkl-5/hkl/ccan/
/usr/include/hkl-5/hkl/ccan/ccan_config.h
/usr/include/hkl-5/hkl/ccan/darray/
/usr/include/hkl-5/hkl/ccan/darray/darray.h
/usr/include/hkl-5/hkl.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/hkl.pc
/usr/share/
/usr/share/doc/
/usr/share/doc/libhkl-dev/
/usr/share/doc/libhkl-dev/copyright
/usr/share/gir-1.0/
/usr/share/gir-1.0/Hkl-5.0.gir
/usr/lib/x86_64-linux-gnu/libhkl.so
/usr/share/doc/libhkl-dev/changelog.Debian.gz