code: public void setBandwidthGroupTargeting(com.google.api.ads.admanager.axis.v201902.BandwidthGroupTargeting bandwidthGroupTargeting) {
          this.bandwidthGroupTargeting = bandwidthGroupTargeting;
      }
docs: Sets the bandwidthGroupTargeting value for this TechnologyTargeting.
  
  @param bandwidthGroupTargeting   * The bandwidth groups being targeted by the {@link LineItem}.