private void releaseLoader() {
   singleUseLoader.release();
 }
 private void resolveHttp(UriLoadable.Parser<Long> parser) {
   singleUseLoader = new Loader("utctiming");
   singleUseLoadable = new UriLoadable<>(timingElement.value, uriDataSource, parser);
   singleUseLoader.startLoading(singleUseLoadable, this);
 }