----------------------------------------
foo
  foo:bar1                                 @ 1970/01/01-01:00:00.000000
    "baz1"
  foo:bar2                                 @ 1970/01/01-01:00:00.000000
    "baz2"
  bat:bar                                  @ 1970/01/01-01:00:00.000000
    "baz"