docs: public static void retrieveSnapshotFiles(
              File directory,
              Map<String, Snapshot> namedSnapshotMap,
              FileFilter filter,
              boolean validate,
              SnapshotPathType stype,
              VoltLogger logger) {
  
          NamedSnapshots namedSnapshots = new NamedSnapshots(namedSnapshotMap, stype);
          retrieveSnapshotFilesInternal(directory, namedSnapshots, filter, validate, stype, logger, 0);
      }