Access to the FB token authorization date

I would like access to the facebook authorization token expiration date, the token isn’t much use without it. Thanks.
[import]uid: 10948 topic_id: 24558 reply_id: 324558[/import]

This was just added in a daily build. [import]uid: 110373 topic_id: 24558 reply_id: 106697[/import]