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diff --git a/tools/qmllint/qcoloroutput.h b/tools/qmllint/qcoloroutput.h
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+/****************************************************************************
+**
+** Copyright (C) 2019 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the tools applications 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 QCOLOROUTPUT_H
+#define QCOLOROUTPUT_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 <QtCore/qglobal.h>
+#include <QtCore/qscopedpointer.h>
+
+class ColorOutputPrivate;
+
+class ColorOutput
+{
+    enum
+    {
+        ForegroundShift = 10,
+        BackgroundShift = 20,
+        SpecialShift    = 20,
+        ForegroundMask  = 0x1f << ForegroundShift,
+        BackgroundMask  = 0x7 << BackgroundShift
+    };
+
+public:
+    enum ColorCodeComponent
+    {
+        BlackForeground         = 1 << ForegroundShift,
+        BlueForeground          = 2 << ForegroundShift,
+        GreenForeground         = 3 << ForegroundShift,
+        CyanForeground          = 4 << ForegroundShift,
+        RedForeground           = 5 << ForegroundShift,
+        PurpleForeground        = 6 << ForegroundShift,
+        BrownForeground         = 7 << ForegroundShift,
+        LightGrayForeground     = 8 << ForegroundShift,
+        DarkGrayForeground      = 9 << ForegroundShift,
+        LightBlueForeground     = 10 << ForegroundShift,
+        LightGreenForeground    = 11 << ForegroundShift,
+        LightCyanForeground     = 12 << ForegroundShift,
+        LightRedForeground      = 13 << ForegroundShift,
+        LightPurpleForeground   = 14 << ForegroundShift,
+        YellowForeground        = 15 << ForegroundShift,
+        WhiteForeground         = 16 << ForegroundShift,
+
+        BlackBackground         = 1 << BackgroundShift,
+        BlueBackground          = 2 << BackgroundShift,
+        GreenBackground         = 3 << BackgroundShift,
+        CyanBackground          = 4 << BackgroundShift,
+        RedBackground           = 5 << BackgroundShift,
+        PurpleBackground        = 6 << BackgroundShift,
+        BrownBackground         = 7 << BackgroundShift,
+        DefaultColor            = 1 << SpecialShift
+    };
+
+    using ColorCode = QFlags<ColorCodeComponent>;
+    using ColorMapping = QHash<int, ColorCode>;
+
+    ColorOutput(bool silent);
+    ~ColorOutput();
+
+    void insertMapping(int colorID, ColorCode colorCode);
+
+    void writeUncolored(const QString &message);
+    void write(const QString &message, int color = -1);
+    QString colorify(const QString &message, int color = -1) const;
+
+private:
+    QScopedPointer<ColorOutputPrivate> d;
+    Q_DISABLE_COPY_MOVE(ColorOutput)
+};
+
+Q_DECLARE_OPERATORS_FOR_FLAGS(ColorOutput::ColorCode)
+
+#endif // QCOLOROUTPUT_H