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diff --git a/src/core/services/qdownloadhelperservice_p.h b/src/core/services/qdownloadhelperservice_p.h
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+/****************************************************************************
+**
+** Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB).
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Qt3D module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 QT3DCORE_QDOWNLOADHELPERSERVICE_P_H
+#define QT3DCORE_QDOWNLOADHELPERSERVICE_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of other Qt classes.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QSharedPointer>
+#include <QObject>
+#include <QUrl>
+
+#include <Qt3DCore/qaspectjob.h>
+#include <Qt3DCore/qt3dcore_global.h>
+#include <Qt3DCore/private/qservicelocator_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class QThread;
+class QNetworkAccessManager;
+class QNetworkReply;
+
+namespace Qt3DCore {
+
+class QAspectEngine;
+class QDownloadNetworkWorker;
+class QDownloadHelperService;
+class QDownloadHelperServicePrivate;
+
+class QT3DCORESHARED_EXPORT QDownloadRequest
+{
+public:
+    QDownloadRequest(const QUrl &url);
+    virtual ~QDownloadRequest();
+
+    QUrl url() const { return m_url; }
+    bool succeeded() const { return m_succeeded; }
+    bool cancelled() const { return m_cancelled; }
+
+    virtual void onDownloaded();         // this is called in dl thread
+    virtual void onCompleted() = 0;      // this is called in job thread
+
+protected:
+    QUrl m_url;
+    QByteArray m_data;
+
+private:
+    friend class QDownloadNetworkWorker;
+    friend class QDownloadHelperService;
+    bool m_succeeded;
+    bool m_cancelled;
+};
+
+typedef QSharedPointer<QDownloadRequest> QDownloadRequestPtr;
+
+
+class QT3DCORESHARED_EXPORT QDownloadHelperService : public QAbstractServiceProvider
+{
+    Q_OBJECT
+public:
+    explicit QDownloadHelperService(const QString &description = QString());
+    ~QDownloadHelperService();
+
+    void submitRequest(const QDownloadRequestPtr &request);
+    void cancelRequest(const QDownloadRequestPtr &request);
+    void cancelAllRequests();
+
+    static QString urlToLocalFileOrQrc(const QUrl &url);
+    static bool isLocal(const QUrl &url);
+    static QDownloadHelperService *getService(QAspectEngine *engine);
+
+private:
+    Q_DECLARE_PRIVATE(QDownloadHelperService)
+    Q_PRIVATE_SLOT(d_func(), void _q_onRequestCompleted(const Qt3DCore::QDownloadRequestPtr &))
+};
+
+typedef QSharedPointer<QDownloadHelperService> QDownloadHelperServicePtr;
+
+} // namespace Qt3DCore
+
+QT_END_NAMESPACE
+
+Q_DECLARE_METATYPE(Qt3DCore::QDownloadRequestPtr) // LCOV_EXCL_LINE
+
+#endif // QT3DCORE_QDOWNLOADHELPERSERVICE_P_H