overload Enable property and method call overloading for a class &reftitle.description; voidoverload stringclass_name The overload function will enable property and method call overloading for a class identified by class_name. &reftitle.parameters; class_name The overloaded class name, as a string &reftitle.returnvalues; &return.void; &reftitle.examples; See an example in the introductory section of this part.