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diff --git a/src/quickdialogs/quickdialogsquickimpl/qquickfiledialogimpl_p.h b/src/quickdialogs/quickdialogsquickimpl/qquickfiledialogimpl_p.h
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index 0000000000..f024892a97
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+++ b/src/quickdialogs/quickdialogsquickimpl/qquickfiledialogimpl_p.h
@@ -0,0 +1,162 @@
+// Copyright (C) 2021 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#ifndef QQUICKFILEDIALOGIMPL_P_H
+#define QQUICKFILEDIALOGIMPL_P_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 <QtQuick/private/qquicklistview_p.h>
+#include <QtQuickTemplates2/private/qquickdialog_p.h>
+
+#include "qtquickdialogs2quickimplglobal_p.h"
+
+QT_BEGIN_NAMESPACE
+
+class QQuickComboBox;
+class QQuickDialogButtonBox;
+class QQuickTextField;
+class QQuickLabel;
+
+class QQuickFileDialogImplAttached;
+class QQuickFileDialogImplAttachedPrivate;
+class QQuickFileDialogImplPrivate;
+class QQuickFileNameFilter;
+class QQuickFolderBreadcrumbBar;
+
+class Q_QUICKDIALOGS2QUICKIMPL_EXPORT QQuickFileDialogImpl : public QQuickDialog
+{
+    Q_OBJECT
+    Q_PROPERTY(QUrl currentFolder READ currentFolder WRITE setCurrentFolder NOTIFY currentFolderChanged FINAL)
+    Q_PROPERTY(QUrl selectedFile READ selectedFile WRITE setSelectedFile NOTIFY selectedFileChanged FINAL)
+    Q_PROPERTY(QStringList nameFilters READ nameFilters NOTIFY nameFiltersChanged FINAL)
+    Q_PROPERTY(QQuickFileNameFilter *selectedNameFilter READ selectedNameFilter CONSTANT)
+    Q_PROPERTY(QString fileName READ fileName WRITE setFileName NOTIFY selectedFileChanged FINAL)
+    Q_PROPERTY(QString currentFolderName READ currentFolderName NOTIFY selectedFileChanged FINAL)
+    QML_NAMED_ELEMENT(FileDialogImpl)
+    QML_ATTACHED(QQuickFileDialogImplAttached)
+    QML_ADDED_IN_VERSION(6, 2)
+    Q_MOC_INCLUDE(<QtQuickDialogs2Utils/private/qquickfilenamefilter_p.h>)
+    Q_MOC_INCLUDE(<QtQuickDialogs2QuickImpl/private/qquickfolderbreadcrumbbar_p.h>)
+
+public:
+    explicit QQuickFileDialogImpl(QObject *parent = nullptr);
+
+    static QQuickFileDialogImplAttached *qmlAttachedProperties(QObject *object);
+
+    enum class SetReason {
+        // Either user interaction or e.g. a change in ListView's currentIndex after changing its model.
+        External,
+        // As a result of the user setting an initial selectedFile.
+        Internal
+    };
+
+    QUrl currentFolder() const;
+    void setCurrentFolder(const QUrl &currentFolder, SetReason setReason = SetReason::External);
+
+    QUrl selectedFile() const;
+    void setSelectedFile(const QUrl &file);
+    void setInitialCurrentFolderAndSelectedFile(const QUrl &file);
+
+    QSharedPointer<QFileDialogOptions> options() const;
+    void setOptions(const QSharedPointer<QFileDialogOptions> &options);
+
+    QStringList nameFilters() const;
+    void resetNameFilters();
+
+    QQuickFileNameFilter *selectedNameFilter() const;
+
+    void setAcceptLabel(const QString &label);
+    void setRejectLabel(const QString &label);
+
+    QString fileName() const;
+    void setFileName(const QString &fileName);
+
+    QString currentFolderName() const;
+
+public Q_SLOTS:
+    void selectNameFilter(const QString &filter);
+
+Q_SIGNALS:
+    void currentFolderChanged(const QUrl &folderUrl);
+    void selectedFileChanged(const QUrl &selectedFileUrl);
+    void nameFiltersChanged();
+    void fileSelected(const QUrl &fileUrl);
+    void filterSelected(const QString &filter);
+
+private:
+    void componentComplete() override;
+    void itemChange(QQuickItem::ItemChange change, const QQuickItem::ItemChangeData &data) override;
+
+    Q_DISABLE_COPY(QQuickFileDialogImpl)
+    Q_DECLARE_PRIVATE(QQuickFileDialogImpl)
+};
+
+class Q_QUICKDIALOGS2QUICKIMPL_EXPORT QQuickFileDialogImplAttached : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(QQuickDialogButtonBox *buttonBox READ buttonBox WRITE setButtonBox NOTIFY buttonBoxChanged FINAL)
+    Q_PROPERTY(QQuickComboBox *nameFiltersComboBox READ nameFiltersComboBox WRITE setNameFiltersComboBox NOTIFY nameFiltersComboBoxChanged)
+    Q_PROPERTY(QQuickListView *fileDialogListView READ fileDialogListView WRITE setFileDialogListView NOTIFY fileDialogListViewChanged)
+    Q_PROPERTY(QQuickFolderBreadcrumbBar *breadcrumbBar READ breadcrumbBar WRITE setBreadcrumbBar NOTIFY breadcrumbBarChanged)
+    Q_PROPERTY(QQuickLabel *fileNameLabel READ fileNameLabel WRITE setFileNameLabel NOTIFY fileNameLabelChanged FINAL)
+    Q_PROPERTY(QQuickTextField *fileNameTextField READ fileNameTextField WRITE setFileNameTextField NOTIFY fileNameTextFieldChanged FINAL)
+    Q_PROPERTY(QQuickDialog *overwriteConfirmationDialog READ overwriteConfirmationDialog WRITE setOverwriteConfirmationDialog NOTIFY overwriteConfirmationDialogChanged FINAL)
+    Q_MOC_INCLUDE(<QtQuickTemplates2/private/qquickdialogbuttonbox_p.h>)
+    Q_MOC_INCLUDE(<QtQuickTemplates2/private/qquickcombobox_p.h>)
+    Q_MOC_INCLUDE(<QtQuickTemplates2/private/qquicktextfield_p.h>)
+    Q_MOC_INCLUDE(<QtQuickTemplates2/private/qquicklabel_p.h>)
+
+public:
+    explicit QQuickFileDialogImplAttached(QObject *parent = nullptr);
+
+    QQuickDialogButtonBox *buttonBox() const;
+    void setButtonBox(QQuickDialogButtonBox *buttonBox);
+
+    QQuickComboBox *nameFiltersComboBox() const;
+    void setNameFiltersComboBox(QQuickComboBox *nameFiltersComboBox);
+
+    QString selectedNameFilter() const;
+    void selectNameFilter(const QString &filter);
+
+    QQuickListView *fileDialogListView() const;
+    void setFileDialogListView(QQuickListView *fileDialogListView);
+
+    QQuickFolderBreadcrumbBar *breadcrumbBar() const;
+    void setBreadcrumbBar(QQuickFolderBreadcrumbBar *breadcrumbBar);
+
+    QQuickLabel *fileNameLabel() const;
+    void setFileNameLabel(QQuickLabel *fileNameLabel);
+
+    QQuickTextField *fileNameTextField() const;
+    void setFileNameTextField(QQuickTextField *fileNameTextField);
+
+    QQuickDialog *overwriteConfirmationDialog() const;
+    void setOverwriteConfirmationDialog(QQuickDialog *dialog);
+
+Q_SIGNALS:
+    void buttonBoxChanged();
+    void nameFiltersComboBoxChanged();
+    void fileDialogListViewChanged();
+    void breadcrumbBarChanged();
+    void fileNameLabelChanged();
+    void fileNameTextFieldChanged();
+    void overwriteConfirmationDialogChanged();
+
+private:
+    Q_DISABLE_COPY(QQuickFileDialogImplAttached)
+    Q_DECLARE_PRIVATE(QQuickFileDialogImplAttached)
+};
+
+QT_END_NAMESPACE
+
+#endif // QQUICKFILEDIALOGIMPL_P_H