text: pref("extensions.maskingagentplus@lunakit.org.active", false);
  pref("extensions.maskingagentplus@lunakit.org.os", "Macintosh");
  pref("extensions.maskingagentplus@lunakit.org.oscpu", "Intel Mac OS X 10.12");
  pref("extensions.maskingagentplus@lunakit.org.platform", "MacIntel");
  