static parse(uri, request, requestType, progressUpdated) {
    try {
      const parsed = shaka.net.DataUriPlugin.parseRaw(uri);

      /** @type {shaka.extern.Response} */
      const response = {
        uri: uri,
        originalUri: uri,
        data: parsed.data,
        headers: {
          'content-type': parsed.contentType,
        },
        originalRequest: request,
      };

      return shaka.util.AbortableOperation.completed(response);
    } catch (error) {
      return shaka.util.AbortableOperation.failed(error);
    }
  }
@param {string} uri
@param {shaka.extern.Request} request
@param {shaka.net.NetworkingEngine.RequestType} requestType
@param {shaka.extern.ProgressUpdated} progressUpdated Called when a
  progress event happened.
@return {!shaka.extern.IAbortableOperation.<shaka.extern.Response>}
@export