getConfiguration() {
    goog.asserts.assert(this.config_, 'Config must not be null!');

    const ret = shaka.util.PlayerConfiguration.createDefault();
    shaka.util.PlayerConfiguration.mergeConfigObjects(
        ret, this.config_, shaka.util.PlayerConfiguration.createDefault());
    return ret;
  }
Return a copy of the current configuration.  Modifications of the returned
value will not affect the Storage instance's active configuration.  You
must call storage.configure() to make changes.

@return {shaka.extern.PlayerConfiguration}
@export