calculateTileRanges_(extent) {
    const length = this.resolutions_.length;
    const fullTileRanges = new Array(length);
    for (let z = this.minZoom; z < length; ++z) {
      fullTileRanges[z] = this.getTileRangeForExtentAndZ(extent, z);
    }
    this.fullTileRanges_ = fullTileRanges;
  }
@param {!import("../extent.js").Extent} extent Extent for this tile grid.
@private