code: public void setGeoTargeting(com.google.api.ads.adwords.axis.v201809.cm.Location geoTargeting) {
          this.geoTargeting = geoTargeting;
      }
docs: Sets the geoTargeting value for this ExtensionFeedItem.
  
  @param geoTargeting   * Geo targeting specifies what locations this extension can serve
  with.
  On update, if the field is left unspecified, the previous
  geo targeting state will not
  be changed.
  On update, if the field is set with a null value for
  criterionId, the geo targeting will be
  cleared.