Optional ReadonlyguessWhether to lay out past what the layout can't lay out as Word does yet with the best guess it has, as
estimatePageNumbersWith({ guess: true }) does, rather than stop there. Each page says what was guessed at on it,
in guesses, and stoppedAt says where it stopped all the same, where it has no guess. Default is off
How layoutDocument lays out the pages.
Public Api