GLib.Error.stack missing

[swsnr]

GJS sets a stack property on all its errors, see https://gitlab.gnome.org/GNOME/gjs/-/blob/master/gi/gerror.cpp#L278

However, this property doesn't seem to exist on GLib.Error anymore, i.e.

if (error instanceof GLib.Error) {
    console.info(error.stack);
}

no longer compiles.

It did compile with types generated by the 3.x versions of ts-for-gir, so this looks like a regression.

[swsnr]

I tried to work around this regression by declaring the missing property myself, but with the layered structure of the generated types (type inside namespace as default export inside module, import and then re-exported from am ambient module declaration) it's not really obvious how I could get typescript to merge declarations properly. My naive attempt at module augmentation failed.

Any pointers?