code: public void setEffectiveLabelFrequencyCaps(com.google.api.ads.admanager.axis.v201811.LabelFrequencyCap[] effectiveLabelFrequencyCaps) {
          this.effectiveLabelFrequencyCaps = effectiveLabelFrequencyCaps;
      }
docs: Sets the effectiveLabelFrequencyCaps value for this AdUnit.
  
  @param effectiveLabelFrequencyCaps   * Contains the set of labels applied directly to the ad unit
  as well as
  those inherited from parent ad units.  This field
  is readonly and is
  assigned by Google.