{
 "extension-id": "@extension_id@",
 "uuid": "@uuid@",
 "settings-schema": "@gschemaname@",
 "gettext-domain": "@gettext_domain@",
 "name": "Hello, World!",
 "description": "An example extension to show how it works. Shows Hello, world when clicking on the top panel.",
 "shell-version": [ "@shell_current@" ],
 "url": "@url@"
}