@GwtCompatible
public enum MapFeature implements Feature<Map> {
  /**
   * The map does not throw {@code NullPointerException} on calls such as {@code containsKey(null)},
   * {@code get(null)}, {@code keySet().contains(null)} or {@code remove(null)}.
   */
  ALLOWS_NULL_KEY_QUERIES,
  ALLOWS_NULL_KEYS(ALLOWS_NULL_KEY_QUERIES),
  /**
   * The map does not throw {@code NullPointerException} on calls such as {@code

/kind documentation
/kind feature

Optionally add one or more of the following kinds if applicable:
/kind api-change
/kind deprecation
/kind failing-test
/kind flake
/kind regression
-->

#### What this PR does / why we need it:

#### Which issue(s) this PR is related to:
<!--
Please link relevant issues to help with tracking.

To automatically close the linked issue(s) when this PR is merged,

  - The `Cinder` and `ScaleIO` volume providers have been deprecated and will be removed in a future release. ([#80099](https://github.com/kubernetes/kubernetes/pull/80099), [@dims](https://github.com/dims))

- Added a new container based image for running e2e tests ([#69368](https://github.com/kubernetes/kubernetes/pull/69368), [@dims](https://github.com/dims))

   * the XML specification.
   *
   * <p>This escaper does not escape non-ASCII characters to their numeric character references
   * (NCR). Any non-ASCII characters appearing in the input will be preserved in the output.
   * Specifically "\r" (carriage return) is preserved in the output, which may result in it being
   * silently converted to "\n" when the XML is parsed.
   *

* Fixed issue when using OpenStack config drive for node metadata. Since we need to run commands such as blkid, we need to ensure that api server and kube controller are running in the privileged mode. ([#57561](https://github.com/kubernetes/kubernetes/pull/57561), [@dims](https://github.com/dims))

     * @return An iterator of URL objects for the resources. If no resources are found, the iterator will be empty.
     *         Resources that the class loader does not have access to will not be included.
     * @see java.lang.ClassLoader#getResources(String)
     */
    public static Iterator<URL> getResources(final String name) {
        assertArgumentNotEmpty("name", name);

    // 'swallowException' when the mock does not throw an exception.
    setupCloseable(false);
    doClose(mockCloseable, false, false);

    setupCloseable(false);
    doClose(mockCloseable, true, false);
  }

  public void testClose_closeableWithEatenException() throws IOException {
    // make sure that no exception is thrown if 'swallowException' is true
    // when the mock does throw an exception.
    setupCloseable(true);

- The deprecated Kubelet flag `--allow-privileged` has been removed. Remove any use of the flag from your kubelet scripts or manifests. ([#77820](https://github.com/kubernetes/kubernetes/pull/77820), [@dims](https://github.com/dims))

      render: java
    validations:
      required: true

  - type: textarea
    attributes:
      label: Current Behavior
      description: What does the feature currently do?
    validations:
      required: true

  - type: textarea
    attributes:
      label: Desired Behavior
      description: What do you want it to do instead?
    validations: