--- a/contactengine/contactsengine.h	Tue Aug 10 19:10:57 2010 +0100
+++ b/contactengine/contactsengine.h	Tue Aug 10 14:05:55 2010 -0700
@@ -16,25 +16,30 @@
     explicit ContactsEngine(QObject *parent = 0);
     ~ContactsEngine();
 
+    // index() and parent()  are defined by QAbstractListModel. So we do not
+    // need to define the QModelIndex
     // required by list model interface.
     int rowCount(const QModelIndex &parent = QModelIndex()) const;
     QVariant data(const QModelIndex &index, int role) const;
 
     QStringList dataSources();
-    void setManager(QString aMgr);
 
 public:
     void populateAddresses();
+    void dumpContactMgr(); // use for debugging. Hard to inspect it via Qt Creator.
+    void enumerateMgrs();
 
 signals:
     void managerChanged(QStringList containNames);
 
 public slots:
+    void setManager(const QString &aMgr);
 
 private:
     QContactManager *m_manager;
     QMap<QString, QString> m_availableManagers;
     QMap<QString, QContactManager*> m_initialisedManagers;
+
 };
 
 #endif // CONTACTSENGINE_H