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diff --git a/src/labs/sharedimage/qsharedimageprovider_p.h b/src/labs/sharedimage/qsharedimageprovider_p.h
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+++ b/src/labs/sharedimage/qsharedimageprovider_p.h
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+// Copyright (C) 2017 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#ifndef QSHAREDIMAGEPROVIDER_H
+#define QSHAREDIMAGEPROVIDER_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qtlabssharedimageglobal_p.h"
+
+#include <QQuickImageProvider>
+#include <private/qquickpixmap_p.h>
+#include <QScopedPointer>
+
+#include "qsharedimageloader_p.h"
+
+QT_BEGIN_NAMESPACE
+
+class SharedImageProvider;
+
+class QuickSharedImageLoader : public QSharedImageLoader
+{
+    Q_OBJECT
+    friend class SharedImageProvider;
+
+public:
+    enum ImageParameter {
+        OriginalSize = 0,
+        RequestedSize,
+        ProviderOptions,
+        NumImageParameters
+    };
+
+    QuickSharedImageLoader(QObject *parent = nullptr);
+protected:
+    QImage loadFile(const QString &path, ImageParameters *params) override;
+    QString key(const QString &path, ImageParameters *params) override;
+};
+
+class Q_LABSSHAREDIMAGE_EXPORT SharedImageProvider : public QQuickImageProviderWithOptions
+{
+public:
+    SharedImageProvider();
+
+    QImage requestImage(const QString &id, QSize *size, const QSize &requestedSize, const QQuickImageProviderOptions &options) override;
+
+protected:
+    QScopedPointer<QuickSharedImageLoader> loader;
+};
+
+QT_END_NAMESPACE
+
+#endif // QSHAREDIMAGEPROVIDER_H