code: public void setGeoSegment(com.google.api.ads.admanager.axis.v201805.GeoTargeting geoSegment) {
          this.geoSegment = geoSegment;
      }
docs: Sets the geoSegment value for this ProductSegmentation.
  
  @param geoSegment   * The geographic segmentation. Segments should be set on the
  {@link GeoTargeting#targetedLocations} field.
  
  <p>This attribute is optional.