/usr/ is in libmetacity-dev 1:3.18.3-1ubuntu3.
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/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/libmetacity-private.pc
/usr/include/
/usr/include/metacity/
/usr/include/metacity/metacity-private/
/usr/include/metacity/metacity-private/boxes.h
/usr/include/metacity/metacity-private/theme-parser.h
/usr/include/metacity/metacity-private/gradient.h
/usr/include/metacity/metacity-private/common.h
/usr/include/metacity/metacity-private/preview-widget.h
/usr/include/metacity/metacity-private/util.h
/usr/include/metacity/metacity-private/theme.h
/usr/share/
/usr/share/doc/
/usr/share/doc/libmetacity-dev/
/usr/share/doc/libmetacity-dev/copyright
/usr/lib/x86_64-linux-gnu/libmetacity-private.so
/usr/share/doc/libmetacity-dev/AUTHORS
/usr/share/doc/libmetacity-dev/README.gz
/usr/share/doc/libmetacity-dev/changelog.Debian.gz