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diff --git a/sources/shiboken6/ApiExtractor/abstractmetaenum.h b/sources/shiboken6/ApiExtractor/abstractmetaenum.h
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index 000000000..03d7a3082
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+++ b/sources/shiboken6/ApiExtractor/abstractmetaenum.h
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+// Copyright (C) 2020 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#ifndef ABSTRACTMETAENUM_H
+#define ABSTRACTMETAENUM_H
+
+#include "abstractmetalang_typedefs.h"
+#include "enclosingclassmixin.h"
+#include "parser/codemodel_enums.h"
+#include "typesystem_typedefs.h"
+
+#include <QtCore/QSharedDataPointer>
+#include <QtCore/QString>
+
+#include <optional>
+
+QT_FORWARD_DECLARE_CLASS(QDebug)
+
+class AbstractMetaEnumData;
+class AbstractMetaEnumValueData;
+class Documentation;
+class EnumValue;
+class EnumTypeEntry;
+
+class AbstractMetaEnumValue
+{
+public:
+    AbstractMetaEnumValue();
+    AbstractMetaEnumValue(const AbstractMetaEnumValue &);
+    AbstractMetaEnumValue &operator=(const AbstractMetaEnumValue &);
+    AbstractMetaEnumValue(AbstractMetaEnumValue &&) noexcept;
+    AbstractMetaEnumValue &operator=(AbstractMetaEnumValue &&) noexcept;
+    ~AbstractMetaEnumValue();
+
+    EnumValue value() const;
+    void setValue(EnumValue value);
+
+    QString stringValue() const;
+    void setStringValue(const QString &v);
+
+    QString name() const;
+    void setName(const QString &name);
+
+    bool isDeprecated() const;
+    void setDeprecated(bool deprecated);
+
+    Documentation documentation() const;
+    void setDocumentation(const Documentation& doc);
+
+    int usedBits() const;
+
+private:
+    QSharedDataPointer<AbstractMetaEnumValueData> d;
+};
+
+class AbstractMetaEnum : public EnclosingClassMixin
+{
+public:
+    AbstractMetaEnum();
+    AbstractMetaEnum(const AbstractMetaEnum &);
+    AbstractMetaEnum &operator=(const AbstractMetaEnum &);
+    AbstractMetaEnum(AbstractMetaEnum &&) noexcept;
+    AbstractMetaEnum &operator=(AbstractMetaEnum &&) noexcept;
+    ~AbstractMetaEnum();
+
+    const AbstractMetaEnumValueList &values() const;
+    AbstractMetaEnumValueList nonRejectedValues() const;
+    void addEnumValue(const AbstractMetaEnumValue &enumValue);
+
+    std::optional<AbstractMetaEnumValue> findEnumValue(QStringView value) const;
+
+    QString name() const;
+    QString qualifiedCppName() const;
+
+    Access access() const;
+    void setAccess(Access a);
+    bool isPrivate() const { return access() == Access::Private; }
+    bool isProtected() const { return access() == Access::Protected; }
+
+    bool isDeprecated() const;
+    void setDeprecated(bool deprecated);
+    bool hasDeprecatedValues() const;
+    AbstractMetaEnumValueList deprecatedValues() const;
+
+    const Documentation &documentation() const;
+    void setDocumentation(const Documentation& doc);
+
+    QString qualifier() const;
+
+    QString package() const;
+
+    QString fullName() const;
+
+    EnumKind enumKind() const;
+    void setEnumKind(EnumKind kind);
+
+    bool isAnonymous() const;
+
+    // Has the enum been declared inside a Q_ENUMS() macro in its enclosing class?
+    bool hasQEnumsDeclaration() const;
+    void setHasQEnumsDeclaration(bool on);
+
+    EnumTypeEntryCPtr typeEntry() const;
+    void setTypeEntry(const EnumTypeEntryCPtr &entry);
+
+    bool isSigned() const;
+    void setSigned(bool s);
+
+    QString underlyingType() const;
+    void setUnderlyingType(const QString &underlyingType);
+
+    static QString intTypeForSize(int usedBits, bool isSigned);
+    int usedBits() const;
+
+private:
+    QSharedDataPointer<AbstractMetaEnumData> d;
+};
+
+#ifndef QT_NO_DEBUG_STREAM
+QDebug operator<<(QDebug d, const AbstractMetaEnumValue &ae);
+QDebug operator<<(QDebug d, const AbstractMetaEnum *ae);
+QDebug operator<<(QDebug d, const AbstractMetaEnum &ae);
+#endif
+
+#endif // ABSTRACTMETAENUM_H