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++ // Copyright (C) 2022 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
++
++ #ifndef ABSTRACTDECLARATIVEINTERFACE_P_H
++ #define ABSTRACTDECLARATIVEINTERFACE_P_H
++
++ #include <QtDataVisualization/qdatavisualizationglobal.h>
++
++ //
++ // W A R N I N G
++ // -------------
++ //
++ // This file is not part of the QtDataVisualization 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.
++
++ QT_BEGIN_NAMESPACE
++
++ class Q_DATAVISUALIZATION_EXPORT AbstractDeclarativeInterface
++ {
++ protected:
++ ~AbstractDeclarativeInterface();
++ public:
++ virtual bool isReady() const = 0;
++ };
++
++ QT_END_NAMESPACE
++
++ #endif