[fpc-pascal] how to make a type private to the unit but not defining it in the implementation section?

[Dennis Poon]

Anthony Walter wrote:
> type
>   _PrivateData = class
>     private type THidden = record Name: string; end;
>   end;
>
> ... and later in the implementation section of the same unit ...
>
> var H: _PrivateData.THidden; begin H.Name := 'Hello'; end;
>
>
But that will have the same problem of extra long method declaration name
   procedure _PrivateData.THidden.Method1;
   begin
   end;


Dennis