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diff --git a/include/xmloff/formlayerimport.hxx b/include/xmloff/formlayerimport.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_XMLOFF_FORMLAYERIMPORT_HXX
+#define INCLUDED_XMLOFF_FORMLAYERIMPORT_HXX
+
+#include <sal/config.h>
+#include <xmloff/dllapi.h>
+#include <com/sun/star/uno/Reference.hxx>
+#include <salhelper/simplereferenceobject.hxx>
+#include <memory>
+
+namespace com::sun::star::beans { class XPropertySet; }
+namespace com::sun::star::drawing { class XDrawPage; }
+namespace com::sun::star::xml::sax { class XAttributeList; }
+namespace com::sun::star::xml::sax { class XFastAttributeList; }
+
+class SvXMLImport;
+class SvXMLImportContext;
+class SvXMLStylesContext;
+
+
+namespace xmloff
+{
+
+
+    //= OFormLayerXMLImport
+
+    class OFormLayerXMLImport_Impl;
+    /** allows you to import a &lt;form:form&gt; element
+    */
+    class XMLOFF_DLLPUBLIC OFormLayerXMLImport final
+                :public ::salhelper::SimpleReferenceObject
+    {
+        std::unique_ptr<OFormLayerXMLImport_Impl>   m_pImpl;
+
+    public:
+        SAL_DLLPRIVATE OFormLayerXMLImport(SvXMLImport& _rImporter);
+        SAL_DLLPRIVATE virtual ~OFormLayerXMLImport() override;
+
+        /** start importing the forms of the given page
+
+            <p>starting the import of a new page (by using this method) invalidates the current page position.</p>
+
+            @see endPage
+        */
+        void startPage(
+            const css::uno::Reference< css::drawing::XDrawPage >& _rxDrawPage);
+
+        /** creates an import context for the office:forms element
+        */
+        static SvXMLImportContext* createOfficeFormsContext(
+            SvXMLImport& _rImport);
+
+        /** create an SvXMLImportContext instance which is able to import the &lt;form:form&gt;
+            element.
+
+            <p>You must have called <method>startPage</method> before you can create such an import context.</p>
+
+            @see startPage
+            @see endPage
+        */
+        SAL_DLLPRIVATE SvXMLImportContext* createContext(
+            const sal_Int32 _nElement,
+            const css::uno::Reference< css::xml::sax::XFastAttributeList >& _rxAttribs);
+
+        /** lookup a control given by id.
+
+            <p>The control must be part of the page which is currently being imported.</p>
+
+            <p>(And, of course, the control must have been imported already at the moment you call this.)</p>
+
+            @see startPage
+        */
+        SAL_DLLPRIVATE css::uno::Reference< css::beans::XPropertySet >
+                lookupControl(const OUString& _rId);
+
+        /** end importing the forms of the current page
+
+            <p>You must call this method if you want the import to be finished correctly. Without calling
+            it, you will lose information.</p>
+
+            @see startPage
+        */
+        void endPage();
+
+        /** announces the auto-style context to the form importer
+        */
+        SAL_DLLPRIVATE void setAutoStyleContext(SvXMLStylesContext* _pNewContext);
+
+        /** sets the given number style on the given control
+            @param _rxControlModel
+                the control model which's style is to be set
+            @param _rControlNumberStyleName
+                the style name for the control's number style
+        */
+        SAL_DLLPRIVATE void applyControlNumberStyle(
+            const css::uno::Reference< css::beans::XPropertySet >& _rxControlModel,
+            const OUString& _rControlNumberStyleName
+        );
+
+        /** to be called when the document has been completely imported
+
+            <p>For some documents (currently: only some spreadsheet documents) it's necessary
+            do to a post processing, since not all information from the file can be processed
+            if the document is not completed, yet.</p>
+        */
+        SAL_DLLPRIVATE void documentDone( );
+    };
+
+
+}   // namespace xmloff
+
+
+#endif // INCLUDED_XMLOFF_FORMLAYERIMPORT_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */