Emitting a signal - Help!!

[ArbolOne <arbolone gmail com>]

WindowsXP
MinGW (latest)
GNU (latest)

Hello boys and girls.

MyClass{
public:
   ...
private:
    ....
       //signal accessor
       typedef sigc::signal<my_enum::error_t> type_signal_end;
       type_signal_end signal_quit();

protected:
       type_signal_end m_signal_end1;
}; //class

MyClass::type_signal_end MyClass::signal_quit() {
   return this->m_signal_end1;
}

I want my class to emit a signal, for this I have follow the Tutorial 
the best I can, as the example above shows. Later on, the class that 
uses my class calls has a listener that goes like this:
myclass.signal_quit().connect( sigc::mem_fun(*this, &Tester::the_method );

However, when I compile I get a strange error saying that 
'type_signal_end signal_quit()' is private!!??
What have I done wrong and how can I fix this problem?

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