code: public com.google.api.ads.admanager.axis.v201808.ContentMetadataKeyHierarchyTargeting[] getExcludedContentMetadata() {
          return excludedContentMetadata;
      }
docs: Gets the excludedContentMetadata value for this ContentTargeting.
  
  @return excludedContentMetadata   * A list of content metadata within hierarchies that are being
  excluded by the {@code LineItem}.