{
  enable = true;
  defaultApplications = {
    "application/octet-stream" = ["firefox.desktop"];
    "application/pdf" = ["org.gnome.Evince.desktop"];
    "application/x-bittorrent" = ["deluge.desktop"];
    "application/x-extension-htm" = ["firefox.desktop"];
    "application/x-extension-html" = ["firefox.desktop"];
    "application/x-extension-shtml" = ["firefox.desktop"];
    "application/x-extension-xhtml" = ["firefox.desktop"];
    "application/x-extension-xht" = ["firefox.desktop"];
    "application/xhtml+xml" = ["firefox.desktop"];
    "image/jpeg" = ["org.gnome.eog.desktop"];
    "image/png" = ["org.gnome.eog.desktop"];
    "message/rfc822" = ["userapp-Thunderbird.desktop"];
    "text/html" = ["firefox.desktop"];
    "text/plain" = ["firefox.desktop"];
    "video/mp4" = ["vlc.desktop"];
    "x-scheme-handler/chrome" = ["firefox.desktop"];
    "x-scheme-handler/ftp" = ["firefox.desktop"];
    "x-scheme-handler/http" = ["firefox.desktop"];
    "x-scheme-handler/https" = ["firefox.desktop"];
    "x-scheme-handler/mailto" = ["userapp-Thunderbird.desktop"];
    "x-scheme-handler/msteams" = ["teams.desktop"];
    "x-scheme-handler/tg" = ["userapp-Telegram Desktop-JBKFU0.desktop"];
  };
}