/usr/share/applications/language-selector.desktop is in language-selector-gnome 0.79.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 | [Desktop Entry]
Name=Language Support
Comment=Configure multiple and native language support on your system
Exec=/usr/bin/gnome-language-selector
Icon=config-language
Terminal=false
Type=Application
Categories=GNOME;GTK;Settings;DesktopSettings;X-GNOME-Settings-Panel;X-GNOME-PersonalSettings
X-Ubuntu-Gettext-Domain=language-selector
NotShowIn=KDE;
X-GNOME-Settings-Panel=language
Keywords=Language;Input method;Region;Format;
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