In Acts 24:15, how should μέλλειν ἔσεσθαι be rendered?

It is generally translated as "going to be", with Young’s Literal Translation being the Minority Report: https://biblehub.com/acts/24-15.htm https://www.jw.org/en/library/bible/nwt/books/acts/24/#v44024015 [Act 24:15 YLT] (15) h…