Interface NotificationGroupRegistry

interface NotificationGroupRegistry {
    "admin.report": never;
    "admin.sign_up": AdminSignUpNotificationGroup;
    favourite: never;
    follow: FollowNotificationGroup;
    follow_request: FollowRequestNotificationGroup;
    mention: never;
    moderation_warning: never;
    poll: never;
    reblog: never;
    severed_relationships: never;
    status: never;
    update: never;
}