/usr/ is in libpeony-extension-dev 1.1.1-0ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/include/
/usr/include/peony/
/usr/include/peony/libpeony-extension/
/usr/include/peony/libpeony-extension/peony-column-provider.h
/usr/include/peony/libpeony-extension/peony-column.h
/usr/include/peony/libpeony-extension/peony-extension-types.h
/usr/include/peony/libpeony-extension/peony-file-info.h
/usr/include/peony/libpeony-extension/peony-info-provider.h
/usr/include/peony/libpeony-extension/peony-location-widget-provider.h
/usr/include/peony/libpeony-extension/peony-menu-item.h
/usr/include/peony/libpeony-extension/peony-menu-provider.h
/usr/include/peony/libpeony-extension/peony-menu.h
/usr/include/peony/libpeony-extension/peony-property-page-provider.h
/usr/include/peony/libpeony-extension/peony-property-page.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/libpeony-extension.pc
/usr/share/
/usr/share/doc/
/usr/share/doc/libpeony-extension-dev/
/usr/share/doc/libpeony-extension-dev/copyright
/usr/share/gir-1.0/
/usr/share/gir-1.0/Peony-2.0.gir
/usr/lib/x86_64-linux-gnu/libpeony-extension.so
/usr/share/doc/libpeony-extension-dev/changelog.Debian.gz