18 return beta_binomial_lcdf<T_n, T_N, T_size1, T_size2>(n, N, alpha, beta);
boost::math::tools::promote_args< typename scalar_type< T1 >::type, typename scalar_type< T2 >::type, typename scalar_type< T3 >::type, typename scalar_type< T4 >::type, typename scalar_type< T5 >::type, typename scalar_type< T6 >::type >::type type