/usr/ is in libvibe-http-dev 0.8.2-1build1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/
/usr/include/d/
/usr/include/d/vibe/
/usr/include/d/vibe/vibe/
/usr/include/d/vibe/vibe/http/
/usr/include/d/vibe/vibe/http/auth/
/usr/include/d/vibe/vibe/http/auth/basic_auth.d
/usr/include/d/vibe/vibe/http/auth/digest_auth.d
/usr/include/d/vibe/vibe/http/client.d
/usr/include/d/vibe/vibe/http/common.d
/usr/include/d/vibe/vibe/http/dist.d
/usr/include/d/vibe/vibe/http/fileserver.d
/usr/include/d/vibe/vibe/http/form.d
/usr/include/d/vibe/vibe/http/log.d
/usr/include/d/vibe/vibe/http/proxy.d
/usr/include/d/vibe/vibe/http/router.d
/usr/include/d/vibe/vibe/http/server.d
/usr/include/d/vibe/vibe/http/session.d
/usr/include/d/vibe/vibe/http/status.d
/usr/include/d/vibe/vibe/http/websockets.d
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/vibe-http.pc
/usr/share/
/usr/share/doc/
/usr/share/doc/libvibe-http-dev/
/usr/share/doc/libvibe-http-dev/copyright
/usr/lib/x86_64-linux-gnu/libvibe-http.so
/usr/share/doc/libvibe-http-dev/changelog.Debian.gz