No, Don't lie. Just tell them that you don't want to share it. Or, tell them that you can't share it if it's confidential. But, share explicitly your expectat

No, Don't lie. Just tell them that you don't want to share it. Or, tell them that you can't share it if it's confidential. But, share explicitly your expectation with them, and ask them to share range that the they is considering for this role with you to see if it makes sense to continue or not.