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diff --git a/tools/shared/scopetree.h b/tools/shared/scopetree.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 SCOPETREE_H
+#define SCOPETREE_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 "metatypes.h"
+#include "componentversion.h"
+
+#include <QtQml/private/qqmljssourcelocation_p.h>
+
+#include <QtCore/qset.h>
+#include <QtCore/qhash.h>
+#include <QtCore/qstring.h>
+
+enum class ScopeType
+{
+    JSFunctionScope,
+    JSLexicalScope,
+    QMLScope
+};
+
+struct MethodUsage
+{
+    MetaMethod method;
+    QQmlJS::SourceLocation loc;
+    bool hasMultilineHandlerBody;
+};
+
+class ScopeTree
+{
+    Q_DISABLE_COPY_MOVE(ScopeTree)
+public:
+    using Ptr = QSharedPointer<ScopeTree>;
+    using ConstPtr = QSharedPointer<const ScopeTree>;
+
+    class Export {
+    public:
+        Export() = default;
+        Export(QString package, QString type, const ComponentVersion &version,
+               int metaObjectRevision);
+
+        bool isValid() const;
+
+        int metaObjectRevision() const { return m_metaObjectRevision; }
+        void setMetaObjectRevision(int metaObjectRevision)
+        {
+            m_metaObjectRevision = metaObjectRevision;
+        }
+
+        QString package() const { return m_package; }
+        QString type() const { return m_type; }
+
+    private:
+        QString m_package;
+        QString m_type;
+        ComponentVersion m_version;
+        int m_metaObjectRevision = 0;
+    };
+
+    ScopeTree(ScopeType type, QString name = QString(),
+              ScopeTree *parentScope = nullptr);
+
+    ScopeTree::Ptr createNewChildScope(ScopeType type, const QString &name);
+    ScopeTree *parentScope() const { return m_parentScope; }
+
+    void insertJSIdentifier(const QString &id, ScopeType scope);
+    void insertSignalIdentifier(const QString &id, const MetaMethod &method,
+                                const QQmlJS::SourceLocation &loc, bool hasMultilineHandlerBody);
+    // inserts property as qml identifier as well as the corresponding
+    void insertPropertyIdentifier(const MetaProperty &prop);
+    void addUnmatchedSignalHandler(const QString &handler,
+                                   const QQmlJS::SourceLocation &location);
+
+    bool isIdInCurrentScope(const QString &id) const;
+    void addIdToAccessed(const QString &id, const QQmlJS::SourceLocation &location);
+    void accessMember(const QString &name, const QString &parentType,
+                      const QQmlJS::SourceLocation &location);
+
+    bool isVisualRootScope() const;
+    QString name() const { return m_name; }
+
+    ScopeType scopeType() const { return m_scopeType; }
+
+    void addMethods(const QHash<QString, MetaMethod> &methods) { m_methods.insert(methods); }
+    void addMethod(const MetaMethod &method) { m_methods.insert(method.methodName(), method); }
+    QHash<QString, MetaMethod> methods() const { return m_methods; }
+
+    void addEnum(const MetaEnum &fakeEnum) { m_enums.insert(fakeEnum.name(), fakeEnum); }
+    QHash<QString, MetaEnum> enums() const { return m_enums; }
+
+    QString className() const { return m_className; }
+    void setClassName(const QString &name) { m_className = name; }
+
+    void addExport(const QString &name, const QString &package, const ComponentVersion &version);
+    void setExportMetaObjectRevision(int exportIndex, int metaObjectRevision);
+    QList<Export> exports() const { return m_exports; }
+
+    void setSuperclassName(const QString &superclass) { m_superName = superclass; }
+    QString superclassName() const { return m_superName; }
+
+    void addProperty(const MetaProperty &prop) { m_properties.insert(prop.propertyName(), prop); }
+    QHash<QString, MetaProperty> properties() const { return m_properties; }
+    void updateParentProperty(const ScopeTree *scope);
+
+    QString defaultPropertyName() const { return m_defaultPropertyName; }
+    void setDefaultPropertyName(const QString &name) { m_defaultPropertyName = name; }
+
+    QString attachedTypeName() const { return m_attachedTypeName; }
+    void setAttachedTypeName(const QString &name) { m_attachedTypeName = name; }
+
+    bool isSingleton() const { return m_isSingleton; }
+    bool isCreatable() const { return m_isCreatable; }
+    bool isComposite() const { return m_isComposite; }
+    void setIsSingleton(bool value) { m_isSingleton = value; }
+    void setIsCreatable(bool value) { m_isCreatable = value; }
+    void setIsComposite(bool value) { m_isSingleton = value; }
+
+    struct FieldMember
+    {
+        QString m_name;
+        QString m_parentType;
+        QQmlJS::SourceLocation m_location;
+    };
+
+    QVector<QPair<QString, QQmlJS::SourceLocation>> unmatchedSignalHandlers() const
+    {
+        return m_unmatchedSignalHandlers;
+    }
+
+    QVector<QVector<FieldMember>> memberAccessChains() const
+    {
+        return m_memberAccessChains;
+    }
+
+    bool isIdInCurrentQMlScopes(const QString &id) const;
+    bool isIdInCurrentJSScopes(const QString &id) const;
+    bool isIdInjectedFromSignal(const QString &id) const;
+    const ScopeTree *currentQMLScope() const;
+
+    QVector<ScopeTree::Ptr> childScopes() const
+    {
+        return m_childScopes;
+    }
+
+    QMultiHash<QString, MethodUsage> injectedSignalIdentifiers() const
+    {
+        return m_injectedSignalIdentifiers;
+    }
+
+private:
+
+    QSet<QString> m_jsIdentifiers;
+    QMultiHash<QString, MethodUsage> m_injectedSignalIdentifiers;
+
+    QHash<QString, MetaMethod> m_methods;
+    QHash<QString, MetaProperty> m_properties;
+    QHash<QString, MetaEnum> m_enums;
+
+    QVector<QVector<FieldMember>> m_memberAccessChains;
+    QVector<QPair<QString, QQmlJS::SourceLocation>> m_unmatchedSignalHandlers;
+
+    QVector<ScopeTree::Ptr> m_childScopes;
+    ScopeTree *m_parentScope;
+
+    QString m_name;
+    QString m_className;
+    QString m_superName;
+
+    ScopeType m_scopeType = ScopeType::QMLScope;
+    QList<Export> m_exports;
+
+    QString m_defaultPropertyName;
+    QString m_attachedTypeName;
+    bool m_isSingleton = false;
+    bool m_isCreatable = true;
+    bool m_isComposite = false;
+};
+
+#endif // SCOPETREE_H