CL_VirtualFunction_4< RetVal, Param1, Param2, Param3, Param4 >::CL_VirtualFunction_4(); CL_VirtualFunction_4< RetVal, Param1, Param2, Param3, Param4 >::CL_VirtualFunction_4( const CL_VirtualFunction_4 < RetVal, Param1, Param2, Param3, Param4 > & copy);