function readLineStringGeometry(object, arcs) {
  const coordinates = concatenateArcs(object['arcs'], arcs);
  return new LineString(coordinates);
}
Create a linestring from a TopoJSON geometry object.

@param {TopoJSONLineString} object TopoJSON object.
@param {Array<Array<import("../coordinate.js").Coordinate>>} arcs Array of arcs.
@return {LineString} Geometry.