readFeatures(source, options) {
    return this.readFeaturesFromObject(
      getObject(source),
      this.getReadOptions(source, options),
    );
  }
Read all features.  Works with both a single feature and a feature
collection.

@param {ArrayBuffer|Document|Element|Object|string} source Source.
@param {import("./Feature.js").ReadOptions} [options] Read options.
@return {Array<FeatureType>} Features.
@api
@override