Gets the classMessage of the result asynchronous operation This is useful to get the classMessage of an asynchronous operation started by session from its gio.types.AsyncReadyCallback.
the #GAsyncResult passed to your callback
a #SoupMessage or null if result is not a valid session async operation result.
Gets the classMessage of the result asynchronous operation This is useful to get the classMessage of an asynchronous operation started by session from its gio.types.AsyncReadyCallback.