docs: private void setRequestSitefilter(WbGetEntitiesActionData properties) {
  		if (this.filter.excludeAllSiteLinks()
  				|| this.filter.getSiteLinkFilter() == null) {
  			return;
  		}
  		properties.sitefilter = ApiConnection.implodeObjects(this.filter
  				.getSiteLinkFilter());
  	}