code: public void setTargetingDimension(com.google.api.ads.admanager.axis.v201805.TargetingDimension targetingDimension) {
          this.targetingDimension = targetingDimension;
      }
docs: Sets the targetingDimension value for this TargetingCriteriaBreakdown.
  
  @param targetingDimension   * The dimension of this breakdown