+/* bbGetOutputOut()->SetSource(NULL);*/
+<serconstructor><PRE>
+std::cout << "$$$$$$ constructing $$$$$"<<std::endl;
+</PRE></serconstructor>
+<serdestructor><PRE>
+std::cout << "$$$$$$ deleting $$$$$"<<std::endl;
+</PRE></serdestructor>
+</blackbox>
+