Bind Ada to a C++ class containing a private structure

[Roger <rogermcm2@gmail.com>]

I'm having trouble interfacing to a C++ class like Class A below.
I've been successfully interfacing to C++ classes by using  C-like wrapper C++ "classless" routines that call  C++ classes so as to avoid name wrangling and other class interfacing problems.
However, so far, I can't figure out how to interface to classes like Class A below that contains private data.
Any advice, greatly appreciated.

class A
{
A();

...

private
StrucRef *HiddenStruct;
};