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diff --git a/include/comphelper/multicontainer2.hxx b/include/comphelper/multicontainer2.hxx
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+++ b/include/comphelper/multicontainer2.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 .
+ */
+
+#pragma once
+
+#include <sal/config.h>
+
+#include <osl/mutex.hxx>
+#include <com/sun/star/lang/EventObject.hpp>
+#include <comphelper/comphelperdllapi.h>
+#include <comphelper/interfacecontainer2.hxx>
+#include <memory>
+#include <vector>
+#include <utility>
+
+namespace com::sun::star::uno
+{
+class XInterface;
+}
+
+namespace comphelper
+{
+/** This is a copy of cppu::OMultiTypeInterfaceContainerHelper2 in include/cppuhelper/interfacecontainer.h,
+    except that it uses comphelper::OInterfaceContainerHelper2, which is more efficient.
+*/
+class COMPHELPER_DLLPUBLIC OMultiTypeInterfaceContainerHelper2
+{
+public:
+    /**
+      Create a container of interface containers.
+
+      @param rMutex the mutex to protect multi thread access.
+                         The lifetime must be longer than the lifetime
+                         of this object.
+     */
+    OMultiTypeInterfaceContainerHelper2(::osl::Mutex& rMutex);
+    /**
+      Delete all containers.
+     */
+    ~OMultiTypeInterfaceContainerHelper2();
+
+    /**
+      Return all id's under which at least one interface is added.
+     */
+    std::vector<css::uno::Type> getContainedTypes() const;
+
+    /**
+      Return the container created under this key.
+      @return the container created under this key. If the container
+                 was not created, null was returned.
+     */
+    OInterfaceContainerHelper2* getContainer(const css::uno::Type& rKey) const;
+
+    /** Inserts an element into the container with the specified key.
+        The position is not specified, thus it is not specified in which order events are fired.
+
+        @attention
+        If you add the same interface more than once, then it will be added to the elements list
+        more than once and thus if you want to remove that interface from the list, you have to call
+        removeInterface() the same number of times.
+        In the latter case, you will also get events fired more than once (if the interface is a
+        listener interface).
+
+        @param rKey
+               the id of the container
+        @param r
+               interface to be added; it is allowed, to insert null or
+               the same interface more than once
+        @return
+                the new count of elements in the container
+    */
+    sal_Int32 addInterface(const css::uno::Type& rKey,
+                           const css::uno::Reference<css::uno::XInterface>& r);
+
+    /** Removes an element from the container with the specified key.
+        It uses interface equality to remove the interface.
+
+        @param rKey
+               the id of the container
+        @param rxIFace
+               interface to be removed
+        @return
+                the new count of elements in the container
+    */
+    sal_Int32 removeInterface(const css::uno::Type& rKey,
+                              const css::uno::Reference<css::uno::XInterface>& rxIFace);
+
+    /**
+      Call disposing on all object in the container that
+      support XEventListener. Then clear the container.
+     */
+    void disposeAndClear(const css::lang::EventObject& rEvt);
+    /**
+      Remove all elements of all containers. Does not delete the container.
+     */
+    void clear();
+
+    typedef css::uno::Type keyType;
+
+private:
+    typedef std::vector<std::pair<css::uno::Type, std::unique_ptr<OInterfaceContainerHelper2>>>
+        t_type2ptr;
+
+    t_type2ptr::iterator findType(const css::uno::Type& rKey);
+    t_type2ptr::const_iterator findType(const css::uno::Type& rKey) const;
+
+    t_type2ptr m_aMap;
+    ::osl::Mutex& rMutex;
+
+    OMultiTypeInterfaceContainerHelper2(const OMultiTypeInterfaceContainerHelper2&) = delete;
+    OMultiTypeInterfaceContainerHelper2& operator=(const OMultiTypeInterfaceContainerHelper2&)
+        = delete;
+};
+
+} // namespace comphelper
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */