# File lib/mocha/any_instance_method.rb, line 15
15:     def hide_original_method
16:       if method_exists?(method)
17:         begin
18:           stubbee.send(:alias_method, hidden_method, method)
19:         rescue NameError
20:           # deal with nasties like ActiveRecord::Associations::AssociationProxy
21:         end
22:       end
23:     end