template<class R, class A1, class A2>
Implemented in _TessFunctionResultCallback_6_2< del, R, P1, P2, P3, P4, P5, P6, A1, A2 >, _TessMemberResultCallback_6_2< del, R, T, P1, P2, P3, P4, P5, P6, A1, A2 >, _ConstTessMemberResultCallback_6_2< del, R, T, P1, P2, P3, P4, P5, P6, A1, A2 >, _TessFunctionResultCallback_5_2< del, R, P1, P2, P3, P4, P5, A1, A2 >, _TessMemberResultCallback_5_2< del, R, T, P1, P2, P3, P4, P5, A1, A2 >, _ConstTessMemberResultCallback_5_2< del, R, T, P1, P2, P3, P4, P5, A1, A2 >, _TessFunctionResultCallback_4_2< del, R, P1, P2, P3, P4, A1, A2 >, _TessMemberResultCallback_4_2< del, R, T, P1, P2, P3, P4, A1, A2 >, _ConstTessMemberResultCallback_4_2< del, R, T, P1, P2, P3, P4, A1, A2 >, _TessFunctionResultCallback_3_2< del, R, P1, P2, P3, A1, A2 >, _TessMemberResultCallback_3_2< del, R, T, P1, P2, P3, A1, A2 >, _ConstTessMemberResultCallback_3_2< del, R, T, P1, P2, P3, A1, A2 >, _TessFunctionResultCallback_2_2< del, R, P1, P2, A1, A2 >, _TessMemberResultCallback_2_2< del, R, T, P1, P2, A1, A2 >, _ConstTessMemberResultCallback_2_2< del, R, T, P1, P2, A1, A2 >, _TessFunctionResultCallback_1_2< del, R, P1, A1, A2 >, _TessMemberResultCallback_1_2< del, R, T, P1, A1, A2 >, _ConstTessMemberResultCallback_1_2< del, R, T, P1, A1, A2 >, _TessFunctionResultCallback_0_2< del, R, A1, A2 >, _TessMemberResultCallback_0_2< del, R, T, A1, A2 >, and _ConstTessMemberResultCallback_0_2< del, R, T, A1, A2 >.