Fetch an object build from the template XML for widget_type in this widget instance.
This will only report children which were previously declared with gtk_widget_class_bind_template_child_private_full() or one of its variants.
This function is only meant to be called for code which is private to the widget_type which
declared the child and is meant for language bindings which cannot easily make use
of the GObject structure offsets.
Fetch an object build from the template XML for widget_type in this widget instance. This will only report children which were previously declared with gtk_widget_class_bind_template_child_private_full() or one of its variants. This function is only meant to be called for code which is private to the widget_type which declared the child and is meant for language bindings which cannot easily make use of the GObject structure offsets.