#include <boost/bind.hpp>
#include <boost/config.hpp>
#include <boost/function.hpp>
#include <boost/mpl/identity.hpp>
#include <boost/ref.hpp>
#include <boost/signals2/detail/signals_common.hpp>
#include <boost/signals2/detail/signals_common_macros.hpp>
#include <boost/signals2/detail/tracked_objects_visitor.hpp>
#include <boost/signals2/slot_base.hpp>
#include <boost/visit_each.hpp>
#include <boost/weak_ptr.hpp>
#include <boost/signals2/variadic_slot.hpp>