FlavorTagDiscriminants::FTagOptions Node1 FlavorTagDiscriminants ::FTagOptions + flip + track_link_type + default_output_value + FTagOptions() Node2 std::map< std::string, std::string > Node2->Node1 +remap_scalar Node3 std::string Node3->Node1 +track_prefix +track_link_name +invalid_ip_key Node3->Node2 +elements +keys Node4 std::basic_string< char > Node4->Node3