@Deprecated
  public static <K, V>
      PTransform<PCollection<? extends KV<K, TimestampedValue<V>>>, PCollection<KV<K, V>>>
          extractFromValues() {
    return new ExtractTimestampsFromValues<>();
  }
@Test
  @Category(ValidatesRunner.class)
  public void extractFromValuesWhenValueTimestampedLaterSucceeds() {
    PCollection<KV<String, TimestampedValue<Integer>>> preified =
        pipeline.apply(
            Create.timestamped(
                TimestampedValue.of(
                    KV.of("foo", TimestampedValue.of(0, new Instant(0))), new Instant(100)),
                TimestampedValue.of(
                    KV.of("foo", TimestampedValue.of(1, new Instant(1))), new Instant(101L)),
                TimestampedValue.of(
                    KV.of("bar", TimestampedValue.of(2, new Instant(2))), new Instant(102L)),
                TimestampedValue.of(
                    KV.of("baz", TimestampedValue.of(3, new Instant(3))), new Instant(103L))));

    PCollection<KV<String, Integer>> timestamped =
        preified.apply(ReifyTimestamps.extractFromValues());

    PAssert.that(timestamped)
        .containsInAnyOrder(KV.of("foo", 0), KV.of("foo", 1), KV.of("bar", 2), KV.of("baz", 3));

    timestamped.apply(
        "AssertElementTimestamps",
        ParDo.of(
            new DoFn<KV<String, Integer>, Void>() {
              @ProcessElement
              public void verifyTimestampsEqualValue(ProcessContext context) {
                assertThat(
                    new Instant(context.element().getValue().longValue()),
                    equalTo(context.timestamp()));
              }
            }));

    pipeline.run();
  }