readFeatureFromDocument(doc, options) {
    const features = this.readFeaturesFromDocument(doc, options);
    if (features.length > 0) {
      return features[0];
    }
    return null;
  }
@param {Document} doc Document.
@param {import("./Feature.js").ReadOptions} [options] Options.
@return {import("../Feature.js").default} Feature.