/usr/ is in libpulse-dev 1:11.1-1ubuntu7.
This file is owned by root:root, with mode 0o755.
..
/usr/include/
/usr/include/pulse/
/usr/include/pulse/cdecl.h
/usr/include/pulse/channelmap.h
/usr/include/pulse/context.h
/usr/include/pulse/def.h
/usr/include/pulse/direction.h
/usr/include/pulse/error.h
/usr/include/pulse/ext-device-manager.h
/usr/include/pulse/ext-device-restore.h
/usr/include/pulse/ext-stream-restore.h
/usr/include/pulse/format.h
/usr/include/pulse/gccmacro.h
/usr/include/pulse/glib-mainloop.h
/usr/include/pulse/introspect.h
/usr/include/pulse/mainloop-api.h
/usr/include/pulse/mainloop-signal.h
/usr/include/pulse/mainloop.h
/usr/include/pulse/operation.h
/usr/include/pulse/proplist.h
/usr/include/pulse/pulseaudio.h
/usr/include/pulse/rtclock.h
/usr/include/pulse/sample.h
/usr/include/pulse/scache.h
/usr/include/pulse/simple.h
/usr/include/pulse/stream.h
/usr/include/pulse/subscribe.h
/usr/include/pulse/thread-mainloop.h
/usr/include/pulse/timeval.h
/usr/include/pulse/utf8.h
/usr/include/pulse/util.h
/usr/include/pulse/version.h
/usr/include/pulse/volume.h
/usr/include/pulse/xmalloc.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/cmake/
/usr/lib/x86_64-linux-gnu/cmake/PulseAudio/
/usr/lib/x86_64-linux-gnu/cmake/PulseAudio/PulseAudioConfig.cmake
/usr/lib/x86_64-linux-gnu/cmake/PulseAudio/PulseAudioConfigVersion.cmake
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/libpulse-mainloop-glib.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/libpulse-simple.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/libpulse.pc
/usr/share/
/usr/share/doc/
/usr/share/doc/libpulse-dev/
/usr/share/doc/libpulse-dev/copyright
/usr/share/doc/libpulse-dev/examples/
/usr/share/doc/libpulse-dev/examples/pacat-simple.c
/usr/share/doc/libpulse-dev/examples/parec-simple.c
/usr/share/vala/
/usr/share/vala/vapi/
/usr/share/vala/vapi/libpulse-mainloop-glib.deps
/usr/share/vala/vapi/libpulse-mainloop-glib.vapi
/usr/share/vala/vapi/libpulse-simple.deps
/usr/share/vala/vapi/libpulse-simple.vapi
/usr/share/vala/vapi/libpulse.deps
/usr/share/vala/vapi/libpulse.vapi
/usr/lib/x86_64-linux-gnu/libpulse-mainloop-glib.so
/usr/lib/x86_64-linux-gnu/libpulse-simple.so
/usr/lib/x86_64-linux-gnu/libpulse.so
/usr/share/doc/libpulse-dev/NEWS.gz
/usr/share/doc/libpulse-dev/README
/usr/share/doc/libpulse-dev/changelog.Debian.gz