code: public com.google.api.ads.adwords.axis.v201809.cm.CustomParameters getSitelinkUrlCustomParameters() {
          return sitelinkUrlCustomParameters;
      }
docs: Gets the sitelinkUrlCustomParameters value for this SitelinkFeedItem.
  
  @return sitelinkUrlCustomParameters   * A list of mappings to be used for substituting URL custom parameter
  tags in the
  trackingUrlTemplate, finalUrls, and/or finalMobileUrls.