writePointGeometry_(feature, geometry) {
    const coordinates = geometry.getCoordinates();

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

    this.rBush_.insert(geometry.getExtent(), segmentData);
  }
@param {Feature} feature Feature
@param {Point} geometry Geometry.
@private