docs: function readFeaturesFromGeometryCollection(collection, arcs, scale, translate, property, name, opt_options) {
    const geometries = collection['geometries'];
    const features = [];
    for (let i = 0, ii = geometries.length; i < ii; ++i) {
      features[i] = readFeatureFromGeometry(
        geometries[i], arcs, scale, translate, property, name, opt_options);
    }
    return features;
  }