nt_0 ;                                                 typedef CGAL_SS_i::Exceptionless_filtered_construction< typename Unfiltering::Construct_ss_trisegment_0                                                         , typename Exact      ::Construct_ss_trisegment_0                                                         , typename Unfiltering::Construct_ss_trisegment_0                                                         , C0E                                                         , C0C                                                         , E0C                                                         , C0C                                                         >                                                         Construct_ss_