pub fn slices_from_dual_raw_offsets<P, R, T>(
    original_polyline: &P,
    raw_offset_polyline: &R,
    dual_raw_offset_polyline: &R,
    orig_polyline_index: &StaticAABB2DIndex<T>,
    offset: T,
    options: &PlineOffsetOptions<'_, T>
) -> Vec<PlineViewData<T>>
where P: PlineSource<Num = T> + ?Sized, R: PlineSource<Num = T> + ?Sized, T: Real,