diff --git a/3rdparty/o2/src/o2abstractstore.h b/3rdparty/o2/src/o2abstractstore.h
new file mode 100644
index 0000000000000000000000000000000000000000..2e52fb8822ad58c0ac97bf8efde97b116a24f0ed
--- /dev/null
+++ b/3rdparty/o2/src/o2abstractstore.h
@@ -0,0 +1,24 @@
+#ifndef O2ABSTRACTSTORE_H
+#define O2ABSTRACTSTORE_H
+
+#include <QObject>
+#include <QString>
+
+class O2AbstractStore: public QObject
+{
+    Q_OBJECT
+
+public:
+
+    explicit O2AbstractStore(QObject *parent = 0): QObject(parent) {
+    }
+
+    virtual ~O2AbstractStore() {
+    }
+
+    virtual QString value(const QString &key, const QString &defaultValue = QString()) = 0;
+
+    virtual void setValue(const QString &key, const QString &value) = 0;
+};
+
+#endif // O2ABSTRACTSTORE_H