public static void confirmEmptySnapshotValid(
    SnapshotProtos.SnapshotDescription snapshotDescriptor, TableName tableName, byte[] testFamily,
    Path rootDir, Admin admin, FileSystem fs) throws IOException {
    ArrayList emptyTestFamilies = new ArrayList(1);
    emptyTestFamilies.add(testFamily);
    confirmSnapshotValid(snapshotDescriptor, tableName, null, emptyTestFamilies, rootDir, admin,
      fs);
  }
Confirm that the snapshot has no references files but only metadata.
hbase-server/src/test/java/org/apache/hadoop/hbase/snapshot/SnapshotTestingUtils.java