Index: sources/storage/filehandler.h
===================================================================
diff -u -r44a85c96ab55e424866ec4cca0270aa218355f82 -rc71deaab48699cffdf9db816dfac2778d79c2238
--- sources/storage/filehandler.h	(.../filehandler.h)	(revision 44a85c96ab55e424866ec4cca0270aa218355f82)
+++ sources/storage/filehandler.h	(.../filehandler.h)	(revision c71deaab48699cffdf9db816dfac2778d79c2238)
@@ -16,6 +16,9 @@
 
 // Qt
 #include <QString>
+#include <QPair>
+#include <QJsonObject>
+#include <QJsonDocument>
 
 namespace Storage {
 
@@ -32,7 +35,9 @@
 
 public:
     static bool write(const QString &vFileName, const QString &vContent, bool vAppend = true);
-    static bool read (const QString &vFileName,       QString &vContent);
+    static bool read   (const QString &vFileName,     QString &vContent);
+    static bool readCSV(const QString &vFileName,     QString &vContent);
+    static bool readJSON(const QString &vFileName,    QJsonObject &vContent);
 
     static int  copyFolder(const QString &vSource, const QString &vDestination);
 };