++ (PreferencesController *)sharedPrefs;
+
+- (id)controller;
+- (void)setController:(id)object;
+
+- (IBAction)showPrefsWindow:(id)sender;
+
+- (IBAction)changeGeneralSetting:(id)sender;
+- (IBAction)changeStatusWindowSetting:(id)sender;
+- (IBAction)changeHotKey:(id)sender;
+
+- (void)registerDefaults;
+