code: public com.google.api.ads.adwords.axis.v201809.cm.CriterionUse getCriterionUse() {
          return criterionUse;
      }
docs: Gets the criterionUse value for this AdGroupCriterion.
  
  @return criterionUse   * <span class="constraint ReadOnly">This field is read only and
  will be ignored when sent to the API.</span>