Index: sources/storage/filehandler.h
===================================================================
diff -u -rc71deaab48699cffdf9db816dfac2778d79c2238 -rf8321d4b6a5489f797122321a4821b4eeaaa50cb
--- sources/storage/filehandler.h	(.../filehandler.h)	(revision c71deaab48699cffdf9db816dfac2778d79c2238)
+++ sources/storage/filehandler.h	(.../filehandler.h)	(revision f8321d4b6a5489f797122321a4821b4eeaaa50cb)
@@ -7,7 +7,7 @@
  * 
  * \file filehandler.h
  * \author (last) Behrouz NematiPour
- * \date (last) 02-Apr-2020
+ * \date (last) 25-Aug-2020
  * \author (original) Behrouz NematiPour
  * \date (original) 24-Sep-2019
  * 
@@ -16,9 +16,9 @@
 
 // Qt
 #include <QString>
-#include <QPair>
 #include <QJsonObject>
 #include <QJsonDocument>
+class QDate;
 
 namespace Storage {
 
@@ -34,12 +34,13 @@
     static void errOut(const QString &vMessage);
 
 public:
-    static bool write(const QString &vFileName, const QString &vContent, bool vAppend = true);
-    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 bool write      (const QString &vFileName, const QString &vContent, bool vAppend = true);
+    static bool read       (const QString &vFileName,     QString &vContent);
+    static bool readJSON   (const QString &vFileName,    QJsonObject &vContent);
 
-    static int  copyFolder(const QString &vSource, const QString &vDestination);
+    static int  copyFolder (const QString &vSource, const QString &vDestination);
+    static int  removeFiles(const QStringList &vFolders, const QStringList &vNameFilter, const QDate &vDateOlderThan);
+    static bool makeFolder (const QString &vFolder);
+    static bool isMounted  (const QString &vPath, bool *vIsReadOnly = nullptr);
 };
-
 }