A few months ago, I finished reading a lengthy commentary on the book of Genesis. At one point, the author disparaged the idea that Yosef (Joseph) was a prophetic picture of Yeshua (Jesus). I could almost hear his eyes rolling as he dismissed the idea, saying that SOME commentaries tend to go overboard in trying to make that connection.
* Secondly, Yosef had everyone leave the room when it came time to reveal himself. I believe that this is the moment that the believers are gathered from the Earth (aka "the rapture"): just before the Lord returns in Revelation 6 and 7 and seals the tribes of Israel before God pours His wrath on the rest of the Earth.