In The Crucible, what does Mary Warren's deposition say?

Mary Warren's deposition states, as John Proctor tells Danforth, that she never saw any spirits.  Further, Mary tells Danforth herself, that when the girls claimed to see spirits, "It were pretense [...]."  In other words, she was only pretending to see spirits.  She claims, in fact, that all the girls are pretending to see spirits, that they are lying to the court.  Mary is terribly frightened and cannot even speak at first because, by confessing to lying about seeing spirits and the like, she is essentially charging all of her friends -- the other girls -- with murder.  We know that the deposition is fairly detailed and honest because, as Proctor hands it to Danforth, he says,

I would ask you to remember, sir, while you read it, that until two week ago she were no different than the other children are today [....].  You saw her scream, she howled, she swore familiar spirits choked her; she even testified that Satan, in the form of women now in jail, tried to win her soul away [...].

Therefore, it must differ dramatically from what Mary Warren has previously said, from what all the other girls continue to say, or else Proctor would not attempt to warn Danforth about the immense discrepancy between what he saw of Mary a couple weeks ago versus who she claims to be now.