/usr/share/app-install/desktop/libu1db-qt5-examples:u1db-qt-gallery.desktop is in app-install-data 14.04.0.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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X-AppInstall-Package=libu1db-qt5-examples
X-AppInstall-Popcon=0
X-AppInstall-Section=universe
Encoding=UTF-8
Type=Application
Exec=qmlscene /usr/share/u1db-qt/gallery/gallery.qml
Path=/usr/share/u1db-qt/gallery
Name=U1Db QML Example Gallery
Icon=_usr_share_icons_unity-icon-theme_places_svg_service-u1
Terminal=false
X-Ubuntu-Gettext-Domain=app-install-data
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