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diff --git a/src/lib/corelib/loader/moduleinstantiator.h b/src/lib/corelib/loader/moduleinstantiator.h
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+/****************************************************************************
+**
+** Copyright (C) 2023 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#pragma once
+
+#include <QtGlobal>
+
+QT_BEGIN_NAMESPACE
+class QString;
+QT_END_NAMESPACE
+
+namespace qbs {
+class SetupProjectParameters;
+namespace Internal {
+class Item;
+class ItemPool;
+class Logger;
+class ModulePropertyMerger;
+class QualifiedId;
+
+// This class is responsible for setting up a proper module instance from a bunch of items:
+//    - Set the item type to ItemType::ModuleInstance (from Module or Export).
+//    - Apply possible command-line overrides for module properties.
+//    - Replace a possible module instance placeholder in the loading item with the actual instance
+//      and merge their values employing the ModulePropertyMerger.
+//    - Setting up the module instance scope.
+// In addition, it also provides helper functions for retrieving/setting module instance items
+// for special purposes.
+class ModuleInstantiator
+{
+public:
+    ModuleInstantiator(const SetupProjectParameters &parameters, ItemPool &itemPool,
+                       ModulePropertyMerger &propertyMerger, Logger &logger);
+    ~ModuleInstantiator();
+
+    struct Context {
+        Item * const product;
+        const QString &productName;
+        Item * const loadingItem;
+        const QString &loadingName;
+        Item * const module;
+        Item * const moduleWithSameName;
+        Item * const exportingProduct;
+        Item * const productScope;
+        Item * const projectScope;
+        const QualifiedId &moduleName;
+        const QString &id;
+        const bool alreadyLoaded;
+    };
+    void instantiate(const Context &context);
+
+    // Note that these will also create the respective item value if it does not exist yet.
+    Item *retrieveModuleInstanceItem(Item *containerItem, const QualifiedId &name);
+    Item *retrieveQbsItem(Item *containerItem);
+
+    void printProfilingInfo(int indent);
+
+private:
+    class Private;
+    Private * const d;
+};
+
+} // namespace Internal
+} // namespace qbs
+