cache.close()
    createNewCache()

    // The journal has no record that 'a' and 'b' were removed. It will have an entry for both, but
    // when it tries to read the cache files for either entry, it will discover the cache files are
    // missing and remove the entries from the cache.
    assertThat(cache.size()).isEqualTo(4)
    assertThat(cache["a"]).isNull()
    assertThat(cache["b"]).isNull()

* Support struct,array,slice types when sorting kubectl output ([#25022](https://github.com/kubernetes/kubernetes/pull/25022), [@zhouhaibing089](https://github.com/zhouhaibing089))
* federated api servers: Adding a discovery summarizer server ([#20358](https://github.com/kubernetes/kubernetes/pull/20358), [@nikhiljindal](https://github.com/nikhiljindal))