BOOST_TYPEOF_modifier_support(BOOST_TYPEOF_UNIQUE_ID(), BOOST_TYPEOF_const_pointer_fun);
BOOST_TYPEOF_modifier_support(BOOST_TYPEOF_UNIQUE_ID(), BOOST_TYPEOF_const_reference_fun);
BOOST_TYPEOF_modifier_support(BOOST_TYPEOF_UNIQUE_ID(), BOOST_TYPEOF_volatile_pointer_fun);
BOOST_TYPEOF_modifier_support(BOOST_TYPEOF_UNIQUE_ID(), BOOST_TYPEOF_const_pointer_fun);
BOOST_TYPEOF_modifier_support(BOOST_TYPEOF_UNIQUE_ID(), BOOST_TYPEOF_const_reference_fun);
BOOST_TYPEOF_modifier_support(BOOST_TYPEOF_UNIQUE_ID(), BOOST_TYPEOF_volatile_pointer_fun);