class
MyClass
{
public:
   void f123(MyType1 AAAAAAAAAAAAAA, MyType2 BBBBBBBBBBBB, int XXXXXXXXXXXXXXX);
   void foo(::some::very::looong::_and::complicated::name::MyType& a, ::some::very::looong::_and::complicated::name::MyType& b,
      some::very::looong::_and::complicated::name::MyType& c);
};