code: public com.google.api.ads.admanager.axis.v201811.BandwidthGroupTargeting getBandwidthSegment() {
          return bandwidthSegment;
      }
docs: Gets the bandwidthSegment value for this ProductSegmentation.
  
  @return bandwidthSegment   * The bandwidth segmentation. {@link BandwidthGroupTargeting#isTargeted}
  must be {@code true}.
  
  <p>This attribute is optional.