this.add("mime", "@mozilla.org/mime;1", "nsIMIMEService");
this.add("observer", "@mozilla.org/observer-service;1", "nsIObserverService");
this.add("pref", "@mozilla.org/preferences-service;1", ["nsIPrefBranch2", "nsIPrefService"]);
this.add("privateBrowsing", "@mozilla.org/privatebrowsing;1", "nsIPrivateBrowsingService");
this.add("profile", "@mozilla.org/toolkit/profile-service;1", "nsIToolkitProfileService");
this.add("mime", "@mozilla.org/mime;1", "nsIMIMEService");
this.add("observer", "@mozilla.org/observer-service;1", "nsIObserverService");
this.add("pref", "@mozilla.org/preferences-service;1", ["nsIPrefBranch2", "nsIPrefService"]);
this.add("privateBrowsing", "@mozilla.org/privatebrowsing;1", "nsIPrivateBrowsingService");
this.add("profile", "@mozilla.org/toolkit/profile-service;1", "nsIToolkitProfileService");