code: function getMediaType(bidderRequest) {
    const videoMediaType = utils.deepAccess(bidderRequest, 'mediaTypes.video');
    const context = utils.deepAccess(bidderRequest, 'mediaTypes.video.context');
  
    return !videoMediaType ? DISPLAY : context === OUTSTREAM ? OUTSTREAM : VIDEO;
  }
docs: Prepare all parameters for request
  @param bidderRequest {object}
  @returns {object}