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diff --git a/src/qmltyperegistrar/metatypesjsonprocessor.h b/src/qmltyperegistrar/metatypesjsonprocessor.h
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+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtQml module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** 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 General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** 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-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef METATYPESJSONPROCESSOR_H
+#define METATYPESJSONPROCESSOR_H
+
+#include "qmltypesclassdescription.h"
+
+#include <QtCore/qstring.h>
+#include <QtCore/qvector.h>
+#include <QtCore/qjsonobject.h>
+
+class MetaTypesJsonProcessor
+{
+public:
+    MetaTypesJsonProcessor(bool privateIncludes) : m_privateIncludes(privateIncludes) {}
+
+    bool processTypes(const QStringList &files);
+    bool processForeignTypes(const QStringList &foreignTypesFiles);
+
+    void postProcessTypes();
+    void postProcessForeignTypes();
+
+    QVector<QJsonObject> types() const { return m_types; }
+    QVector<QJsonObject> foreignTypes() const { return m_foreignTypes; }
+    QStringList includes() const { return m_includes; }
+
+private:
+    enum RegistrationMode {
+        NoRegistration,
+        ObjectRegistration,
+        GadgetRegistration,
+        NamespaceRegistration
+    };
+
+    static RegistrationMode qmlTypeRegistrationMode(const QJsonObject &classDef);
+    QVector<QJsonObject> foreignRelatedTypes() const;
+
+    void sortTypes(QVector<QJsonObject> &types);
+    void sortIncludes();
+    QString resolvedInclude(const QString &include);;
+    void processTypes(const QJsonObject &types);
+    void processForeignTypes(const QJsonObject &types);
+
+    QStringList m_includes;
+    QVector<QJsonObject> m_types;
+    QVector<QJsonObject> m_foreignTypes;
+    bool m_privateIncludes = false;
+};
+
+#endif // METATYPESJSONPROCESSOR_H