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    Copyright (c) 2001-2011 Joel de Guzman
    Copyright (c) 2005-2006 Dan Marsden

    Distributed under the Boost Software License, Version 1.0. (See accompanying 
    file LICENSE_1_0.txt or copy at
#if !defined(FUSION_DETAIL_IS_MPL_SEQUENCE_29122006_1105)
#define FUSION_DETAIL_IS_MPL_SEQUENCE_29122006_1105

#include <boost/fusion/support/config.hpp>
#include <boost/fusion/support/detail/is_native_fusion_sequence.hpp>
#include <boost/mpl/is_sequence.hpp>
#include <boost/mpl/and.hpp>
#include <boost/mpl/not.hpp>

namespace boost { namespace fusion { namespace detail
    template <typename T>
    struct is_mpl_sequence
        : mpl::and_<
            mpl::not_<is_native_fusion_sequence<T> >
          , mpl::is_sequence<T> >