code: public com.google.api.ads.adwords.axis.v201809.cm.ThirdPartyRedirectAdExpandingDirection[] getExpandingDirections() {
          return expandingDirections;
      }
docs: Gets the expandingDirections value for this ThirdPartyRedirectAd.
  
  @return expandingDirections   * Allowed expanding directions. These directions are used to
  match
  publishers' ad slots. For example, if a slot allows
  expansion toward the
  right, only ads with EXPANDING_RIGHT specified
  will show up there.
  <span class="constraint Selectable">This field
  can be selected using the value "ExpandingDirections".</span>