Function concave_hull_with 

pub fn concave_hull_with<G, P>(
    geometry: &G,
    parameters: ConcaveHullParams,
) -> Polygon<P>
where
    G: CollectPoints<Point = P>,
    P: Point<Scalar = f64> + PointMut + Default + Copy,
    MonotoneChain: ConvexHullStrategy<G, Output = Ring<P, true, true>>,

Construct a concave hull using explicit edge-refinement parameters.