/usr/ is in libcogl-gst-dev 1.22.0-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/gir-1.0/
/usr/share/gir-1.0/CoglGst-2.0.gir
/usr/share/doc/
/usr/share/doc/libcogl-gst-dev/
/usr/share/doc/libcogl-gst-dev/copyright
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/cogl-gst-2.0-experimental.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/cogl-gst-1.0.pc
/usr/include/
/usr/include/cogl/
/usr/include/cogl/cogl-gst/
/usr/include/cogl/cogl-gst/cogl-gst-video-sink.h
/usr/include/cogl/cogl-gst/cogl-gst.h
/usr/share/doc/libcogl-gst-dev/README.gz
/usr/share/doc/libcogl-gst-dev/NEWS.gz
/usr/share/doc/libcogl-gst-dev/changelog.Debian.gz
/usr/lib/x86_64-linux-gnu/libcogl-gst.so