writeMultiPointGeometry_(feature, geometry) {
    const points = geometry.getCoordinates();
    for (let i = 0, ii = points.length; i < ii; ++i) {
      const coordinates = points[i];

      /** @type {SegmentData} */
      const segmentData = {
        feature: feature,
        geometry: geometry,
        depth: [i],
        index: i,
        segment: [coordinates, coordinates],
      };

      this.rBush_.insert(geometry.getExtent(), segmentData);
    }
  }
@param {Feature} feature Feature
@param {import("../geom/MultiPoint.js").default} geometry Geometry.
@private