/usr/ is in libavahi-client-dev 0.6.32~rc+dfsg-1ubuntu2.
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/usr/share/
/usr/share/doc/
/usr/share/doc/libavahi-client-dev/
/usr/share/doc/libavahi-client-dev/copyright
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/avahi-client.pc
/usr/lib/x86_64-linux-gnu/libavahi-client.a
/usr/include/
/usr/include/avahi-client/
/usr/include/avahi-client/client.h
/usr/include/avahi-client/publish.h
/usr/include/avahi-client/lookup.h
/usr/share/doc/libavahi-client-dev/README
/usr/share/doc/libavahi-client-dev/NEWS.gz
/usr/share/doc/libavahi-client-dev/changelog.Debian.gz
/usr/lib/x86_64-linux-gnu/libavahi-client.so