CL_VirtualCallback_2_member_user< RetVal, Param1, Param2nstanceClass,erDerDataatatCL_CL_VirtualCalCalck_ck_2_member_user( InstanceClass * instance, RetVal(InstanceClass::*)(Param1, Param2, UserData, CL_Super_2 < Rel, Param1,ram2 &2 > &;)p;)p;) member_func, const UserData & user_data);