List<@Nullable String> list = newArrayList("a", null, "b", null, "a", null);
    assertEquals(2, frequency(list.iterator(), "a"));
    assertEquals(1, frequency(list.iterator(), "b"));
    assertEquals(0, frequency(list.iterator(), "c"));
    assertEquals(0, frequency(list.iterator(), 4.2));
    assertEquals(3, frequency(list.iterator(), null));
  }

  @GwtIncompatible // slow (~4s)

    private @Nullable Iterator<? extends Iterator<? extends T>> getTopMetaIterator() {
      while (topMetaIterator == null || !topMetaIterator.hasNext()) {
        if (metaIterators != null && !metaIterators.isEmpty()) {
          topMetaIterator = metaIterators.removeFirst();
        } else {
          return null;
        }
      }
      return topMetaIterator;

- Fix availability set cache in vmss cache ([#100110](https://github.com/kubernetes/kubernetes/pull/100110), [@CecileRobertMichon](https://github.com/CecileRobertMichon)) [SIG Cloud Provider]
- Fix how nulls are handled in array and objects in [json patches](https://github.com/evanphx/json-patch). ([#102467](https://github.com/kubernetes/kubernetes/pull/102467), [@pacoxu](https://github.com/pacoxu))

Note that objects with `null` versions, i.e. objects created prior to enabling versioning break the immutability guarantees provided by versioning. When existing object replication is enabled, these objects will be replicated as `null` versions to the remote targets provided they are not present on the target or if `null` version of object on source is newer than the `null` version of object on target.

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# Bucket Versioning Guide [![Slack](https://slack.min.io/slack?type=svg)](https://slack.min.io) [![Docker Pulls](https://img.shields.io/docker/pulls/minio/minio.svg?maxAge=604800)](https://hub.docker.com/r/minio/minio/)

    protected final ColumnInfo _columnDepth = cci("depth", "depth", null, null, Integer.class, "depth", null, false, false, false,
            "Integer", 0, 0, null, null, false, null, null, null, null, null, false);
    protected final ColumnInfo _columnDescription = cci("description", "description", null, null, String.class, "description", null, false,

    protected final ColumnInfo _columnUpdatedTime = cci("updatedTime", "updatedTime", null, null, Long.class, "updatedTime", null, false,
            false, false, "Long", 0, 0, null, null, false, null, null, null, null, null, false);
    protected final ColumnInfo _columnUrls = cci("urls", "urls", null, null, String.class, "urls", null, false, false, false, "keyword", 0,

    protected final ColumnInfo _columnPassword = cci("password", "password", null, null, String.class, "password", null, false, false,
            false, "keyword", 0, 0, null, null, false, null, null, null, null, null, false);
    protected final ColumnInfo _columnPort = cci("port", "port", null, null, Integer.class, "port", null, false, false, false, "Integer", 0,

    protected final ColumnInfo _columnValue = cci("value", "value", null, null, String.class, "value", null, false, false, false, "keyword",
            0, 0, null, null, false, null, null, null, null, null, false);
    protected final ColumnInfo _columnVirtualHost = cci("virtualHost", "virtualHost", null, null, String.class, "virtualHost", null, false,