code: @NonNull
    private static List<Point> coordAll(@NonNull List<Point> coords, @NonNull Point point) {
      coords.add(point);
      return coords;
    }
docs: Private helper method to go with {@link TurfMeta#coordAll(Point)}.
  
  @param coords the {@code List} of {@link Point}s.
  @param point  any {@link Point} object
  @return a {@code List} made up of {@link Point}s
  @since 4.8.0