/usr/ is in lua-luv-dev 1.9.1-0-2.
This file is owned by root:root, with mode 0o755.
..
/usr/include/
/usr/include/lua5.1/
/usr/include/lua5.1/lua-luv.h
/usr/include/lua5.2/
/usr/include/lua5.2/lua-luv.h
/usr/include/lua5.3/
/usr/include/lua5.3/lua-luv.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/liblua5.1-luv.a
/usr/lib/x86_64-linux-gnu/liblua5.2-luv.a
/usr/lib/x86_64-linux-gnu/liblua5.3-luv.a
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/lua5.1-luv.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/lua5.2-luv.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/lua5.3-luv.pc
/usr/share/
/usr/share/doc/
/usr/share/doc/lua-luv-dev/
/usr/share/doc/lua-luv-dev/copyright
/usr/share/doc/lua-luv-dev/docs.md.gz
/usr/share/doc/lua-luv-dev/examples/
/usr/share/doc/lua-luv-dev/examples/cqueues-main.lua
/usr/share/doc/lua-luv-dev/examples/cqueues-slave.lua
/usr/share/doc/lua-luv-dev/examples/echo-server-client.lua
/usr/share/doc/lua-luv-dev/examples/killing-children.lua
/usr/share/doc/lua-luv-dev/examples/lots-o-dns.lua
/usr/share/doc/lua-luv-dev/examples/repl.lua
/usr/share/doc/lua-luv-dev/examples/talking-to-children.lua
/usr/share/doc/lua-luv-dev/examples/tcp-cluster.lua
/usr/share/doc/lua-luv-dev/examples/timers.lua
/usr/share/doc/lua-luv-dev/examples/uvbook/
/usr/share/doc/lua-luv-dev/examples/uvbook/helloworld.lua
/usr/share/doc/lua-luv-dev/examples/uvbook/idle-basic.lua
/usr/share/doc/lua-luv-dev/examples/uvbook/onchange.lua
/usr/share/doc/lua-luv-dev/examples/uvbook/queue-work.lua
/usr/share/doc/lua-luv-dev/examples/uvbook/tcp-echo-client.lua
/usr/share/doc/lua-luv-dev/examples/uvbook/tcp-echo-server.lua
/usr/share/doc/lua-luv-dev/examples/uvbook/thread-create.lua
/usr/share/doc/lua-luv-dev/examples/uvbook/uvcat.lua
/usr/share/doc/lua-luv-dev/examples/uvbook/uvtee.lua
/usr/lib/x86_64-linux-gnu/liblua5.1-luv.so
/usr/lib/x86_64-linux-gnu/liblua5.2-luv.so
/usr/lib/x86_64-linux-gnu/liblua5.3-luv.so
/usr/share/doc/lua-luv-dev/changelog.Debian.gz