/usr/ is in guile-cairo-dev 1.4.0-3.1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/info/
/usr/share/info/guile-cairo.info.gz
/usr/share/doc/
/usr/share/doc/guile-cairo-dev/
/usr/share/doc/guile-cairo-dev/copyright
/usr/include/
/usr/include/guile-cairo/
/usr/include/guile-cairo/guile-cairo.h
/usr/include/guile-cairo/guile-cairo-vector-types.h
/usr/include/guile-cairo/guile-cairo-enum-types.h
/usr/include/guile-cairo/guile-cairo-smob-types.h
/usr/lib/
/usr/lib/pkgconfig/
/usr/lib/pkgconfig/guile-cairo.pc
/usr/share/doc/guile-cairo-dev/changelog.Debian.gz
/usr/share/doc/guile-cairo-dev/AUTHORS
/usr/share/doc/guile-cairo-dev/README.gz
/usr/share/doc/guile-cairo-dev/TODO
/usr/share/doc/guile-cairo-dev/NEWS.gz