@CanIgnoreReturnValue
  public final Ordered containsAtLeast(
      @Nullable Object k0, @Nullable Object v0, @Nullable Object... rest) {
    return containsAtLeastEntriesIn(accumulateMultimap(k0, v0, rest));
  }
@Test
  public void containsAtLeastVarargRespectsDuplicatesFailure() {
    ImmutableListMultimap<Integer, String> actual =
        ImmutableListMultimap.of(3, "one", 3, "two", 4, "five", 4, "five");

    expectFailureWhenTestingThat(actual).containsAtLeast(3, "one", 3, "one", 3, "one", 4, "five");
    assertFailureKeys("missing", "---", "expected to contain at least", "but was");
    assertFailureValue("missing", "{3=[one [2 copies]]}");
  }