mediaTransferDuration_() {
    return this.audioSegmentLoader_.mediaTransferDuration +
           this.mainSegmentLoader_.mediaTransferDuration;

  }
/**
   * get the total time that media requests have spent trnasfering
   * from the `audiosegmentloader_` and the `mainSegmentLoader_`
   *
   * @private
   */
get the total time that media requests have spent trnasfering
from the `audiosegmentloader_` and the `mainSegmentLoader_`

@private
get the total time that media requests have spent trnasfering from the ` audiosegmentloader_ ` and the ` mainSegmentLoader_ ` @private
mediaTransferDuration_() {
    return this.audioSegmentLoader_.mediaTransferDuration +
           this.mainSegmentLoader_.mediaTransferDuration;
  }
mediaTransferDuration_ ( ) { return this . audioSegmentLoader_ . mediaTransferDuration + this . mainSegmentLoader_ . mediaTransferDuration ; }
get the total time that media requests have spent trnasfering
 from the `audiosegmentloader_` and the `mainSegmentLoader_`
get the total time that media requests have spent trnasfering from the ` audiosegmentloader_ ` and the ` mainSegmentLoader_ `