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diff --git a/src/lib/corelib/loader/itemreaderastvisitor.h b/src/lib/corelib/loader/itemreaderastvisitor.h
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+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qbs.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QBS_ITEMREADERASTVISITOR_H
+#define QBS_ITEMREADERASTVISITOR_H
+
+#include <language/forward_decls.h>
+#include <language/itemtype.h>
+
+#include <logging/logger.h>
+#include <parser/qmljsastvisitor_p.h>
+
+#include <QtCore/qhash.h>
+#include <QtCore/qstringlist.h>
+
+namespace qbs {
+class CodeLocation;
+
+namespace Internal {
+class Item;
+class ItemPool;
+class ItemReaderVisitorState;
+
+class ItemReaderASTVisitor : public QbsQmlJS::AST::Visitor
+{
+public:
+    ItemReaderASTVisitor(ItemReaderVisitorState &visitorState, FileContextPtr file,
+                         ItemPool *itemPool, Logger &logger);
+    void checkItemTypes() { doCheckItemTypes(rootItem()); }
+
+    Item *rootItem() const { return m_item; }
+
+private:
+    bool visit(QbsQmlJS::AST::UiProgram *uiProgram) override;
+    bool visit(QbsQmlJS::AST::UiObjectDefinition *ast) override;
+    bool visit(QbsQmlJS::AST::UiPublicMember *ast) override;
+    bool visit(QbsQmlJS::AST::UiScriptBinding *ast) override;
+
+    bool handleBindingRhs(QbsQmlJS::AST::Statement *statement, const JSSourceValuePtr &value);
+    CodeLocation toCodeLocation(const QbsQmlJS::AST::SourceLocation &location) const;
+    void checkDuplicateBinding(Item *item, const QStringList &bindingName,
+            const QbsQmlJS::AST::SourceLocation &sourceLocation);
+    Item *targetItemForBinding(const QStringList &binding, const JSSourceValueConstPtr &value);
+    static void inheritItem(Item *dst, const Item *src);
+    void checkDeprecationStatus(ItemType itemType, const QString &itemName,
+                                const CodeLocation &itemLocation);
+    void doCheckItemTypes(const Item *item);
+
+    ItemReaderVisitorState &m_visitorState;
+    const FileContextPtr m_file;
+    ItemPool * const m_itemPool;
+    Logger &m_logger;
+    QHash<QStringList, QString> m_typeNameToFile;
+    Item *m_item = nullptr;
+    ItemType m_instanceItemType = ItemType::ModuleInstancePlaceholder;
+};
+
+} // namespace Internal
+} // namespace qbs
+
+#endif // QBS_ITEMREADERASTVISITOR_H