static makeRequest(uris, retryParams, streamDataCallback = null) {
    return {
      uris: uris,
      method: 'GET',
      body: null,
      headers: {},
      allowCrossSiteCredentials: false,
      retryParameters: retryParams,
      licenseRequestType: null,
      sessionId: null,
      drmInfo: null,
      initData: null,
      initDataType: null,
      streamDataCallback: streamDataCallback,
    };
  }
Makes a simple network request for the given URIs.

@param {!Array<string>} uris
@param {shaka.extern.RetryParameters} retryParams
@param {?function(BufferSource):!Promise=} streamDataCallback
@return {shaka.extern.Request}
@export