writeFeatures(features, options) {
    const node = this.writeFeaturesNode(features, options);
    return this.xmlSerializer_.serializeToString(node);
  }
Encode an array of features as string.

@param {Array<import("../Feature.js").default>} features Features.
@param {import("./Feature.js").WriteOptions} [options] Write options.
@return {string} Result.
@api
@override