Index: sources/model/MListModel.h
===================================================================
diff -u -r56381aae237db191956aff493907cd1f0801216b -r63d974e3d2d03c93e0398de17bd6ca2d2e039982
--- sources/model/MListModel.h	(.../MListModel.h)	(revision 56381aae237db191956aff493907cd1f0801216b)
+++ sources/model/MListModel.h	(.../MListModel.h)	(revision 63d974e3d2d03c93e0398de17bd6ca2d2e039982)
@@ -30,18 +30,11 @@
     void                    appendRow   (const QHash<int, QVariant> &vData                                          );
     void                    insertRow   (const int vRow, const QHash<int, QVariant> &vData                          );
     void                    updateData  (const int vRow, const int vRole, const QVariant& vValue                    );
+    QStringList             getAllByRole(int vRole                                                                  ) const;
 
 public slots:
     QVariantMap             get         (int vRow                                                                   ) const;  // Exposed to QML
 
-    Q_INVOKABLE QStringList getRoleNames() const {
-        QStringList keys;
-        for (const auto &roleName : roleNames()) {
-            keys << QString(roleName);
-        }
-        return keys;
-    }
-
 private:
     QList<QHash<int, QVariant>> _data;
     QHash<int, QByteArray>      _roleNames;