MPRouteLeg
open fun MPRouteLeg(distance: Float, duration: Float, @NonNull startLocation: MPPoint, @NonNull endLocation: MPPoint, @NonNull steps: List<MPRouteStep>)
open fun MPRouteLeg(distance: MPRouteProperty, duration: MPRouteProperty, @NonNull startLocation: MPPoint, @NonNull endLocation: MPPoint, @NonNull steps: List<MPRouteStep>)