code: public com.google.api.ads.admanager.axis.v201805.AdUnitParent[] getParentPath() {
          return parentPath;
      }
docs: Gets the parentPath value for this AdUnit.
  
  @return parentPath   * The path to this ad unit in the ad unit hierarchy represented
  as a list from the root to this
  ad unit's parent. For root ad units, this list is
  empty. This attribute is read-only and is
  populated by Google.