/usr/share/ is in ruby-gstreamer 2.1.0-1.
This file is owned by root:root, with mode 0o755.
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/usr/share/doc/
/usr/share/doc/ruby-gstreamer/
/usr/share/doc/ruby-gstreamer/copyright
/usr/share/doc/ruby-gstreamer/examples/
/usr/share/doc/ruby-gstreamer/examples/typefind.rb
/usr/share/doc/ruby-gstreamer/examples/helloworld.rb
/usr/share/doc/ruby-gstreamer/examples/mp3parselaunch.rb
/usr/share/doc/ruby-gstreamer/examples/stream-status.rb
/usr/share/doc/ruby-gstreamer/examples/queue.rb
/usr/share/doc/ruby-gstreamer/examples/text-color-example.rb
/usr/share/doc/ruby-gstreamer/examples/audio-example.rb
/usr/share/doc/ruby-gstreamer/examples/framestep1.rb
/usr/share/doc/ruby-gstreamer/examples/gst-inspect.rb
/usr/share/doc/ruby-gstreamer/changelog.Debian.gz