“I think Usman actually says things that are far more serious than . He says that I and others were architects of a scheme to ball tamper with sandpaper. That’s complete and utter nonsense.

“I was genuinely shocked this week when I found out Usman admitted he told Cam to be careful when using sandpaper. That’s not Usman that I know. It’s not the Usman that has been part of the team that’s helped rebuild the Australian cricket culture over the last eight years.

“The Usman I know would have stopped that from happening there and then.”

Cummins says Khawaja has told the truth at points in his book, but other parts are a bit vague.

“Some of these things are probably true, and they are his accounts of what happened. But I think there’s a few big leaps here where he’s being vague and I think the details really matter in that difference.

“So perhaps there was conversations with Cameron Bancroft around taking sandpaper out and how to do it. That doesn’t mean that everyone in that dressing room knew what was going on.

“The way he’s presented his story, I think he’s done it in a very casual manner, and it affects a lot of people. That’s what I’m grappling with at the moment because I don’t think it’s OK.”