+%feature("ref") iObject "$this->AddRef(); eDebug(\"AddRef (%s:%d)!\", __FILE__, __LINE__); "
+%feature("unref") iObject "$this->Release(); eDebug(\"Release! %s:%d\", __FILE__, __LINE__); "
+
+/* this magic allows smartpointer to be used as OUTPUT arguments, i.e. call-by-reference-styled return value. */
+
+%define %typemap_output_ptr(Type)
+ %typemap(in,numinputs=0) Type *OUTPUT ($*1_ltype temp),
+ Type &OUTPUT ($*1_ltype temp)
+ "$1 = new Type;";
+ %fragment("t_out_helper"{Type},"header",
+ fragment="t_output_helper") {}
+ %typemap(argout,fragment="t_out_helper"{Type}) Type *OUTPUT, Type &OUTPUT
+ "$result = t_output_helper($result, (SWIG_NewPointerObj((void*)($1), $1_descriptor, 1)));"
+%enddef
+
+%newobject eDebugClassPtr::operator->;
+