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diff --git a/src/virtualfiletree.h b/src/virtualfiletree.h
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+/*
+Copyright (C) MO2 Team. All rights reserved.
+
+This file is part of Mod Organizer.
+
+Mod Organizer is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+Mod Organizer is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Mod Organizer.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef ARCHIVEFILENETRY_H
+#define ARCHIVEFILENTRY_H
+
+#include <QDir>
+
+#include "ifiletree.h"
+
+namespace MOShared
+{
+  class DirectoryEntry;
+}
+
+/**
+ * @brief Class that expose the VFS main directory structure as a `MOBase::IFileTree`.
+ *
+ * The tree is lazily populated: each subtree is only populated when needed,
+ * as specified by IFileTree.
+ *
+ * This class does not expose mutable operations, so any mutable operations will
+ * fail.
+ */
+class VirtualFileTree : public MOBase::IFileTree {
+public:
+
+  /**
+   * @brief Create a new file tree representing the given VFS directory.
+   *
+   * @param root Root directory.
+   *
+   * @return a file tree representing the VFS directory.
+   */
+  static std::shared_ptr<const VirtualFileTree> makeTree(const MOShared::DirectoryEntry* root);
+
+protected:
+
+  using IFileTree::IFileTree;
+
+  virtual bool doPopulate(std::shared_ptr<const IFileTree> parent, std::vector<std::shared_ptr<FileTreeEntry>>& entries) const = 0;
+};
+
+#endif