code: public void deleteMetaStore() {
      deleteFiles(f -> f.getName().equals(String.format("%s.meta", prefix))
          || f.getName().equals(String.format("%s.conf", prefix)));
    }
docs: Deletes a {@link MetaStore} from disk.
  <p>
  The meta store will be deleted by simply reading {@code meta} file names from disk and deleting metadata
  files directly. Deleting the meta store does not involve reading any metadata files into memory.