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--- a/src/qtgui/rclmain_w.h
+++ b/src/qtgui/rclmain_w.h
@@ -205,6 +205,7 @@
     virtual void showRTITool(bool modal);
     virtual void updateIdxForDocs(vector<Rcl::Doc>&);
     virtual void initiateQuery();
+    virtual bool containerUpToDate(Rcl::Doc& doc);
 };
 
 #endif // RCLMAIN_W_H