* 0}.
   *
   * @throws IllegalArgumentException if {@code a < 0} or {@code b < 0}
   */
  public static long gcd(long a, long b) {
    /*
     * The reason we require both arguments to be >= 0 is because otherwise, what do you return on
     * gcd(0, Long.MIN_VALUE)? BigInteger.gcd would return positive 2^63, but positive 2^63 isn't an
     * int.
     */
    checkNonNegative("a", a);

   ([#122447](https://github.com/kubernetes/kubernetes/pull/122447), [@ardaguclu](https://github.com/ardaguclu))
- Fixed an error when trying to expand a volume that does not require node expansion. ([#123055](https://github.com/kubernetes/kubernetes/pull/123055), [@gnufied](https://github.com/gnufied))

   * nullness checker can already "prove" are non-null. That means that the first parameter to
   * checkNotNull *should* be annotated to require it to be non-null.
   *
   * However, for a variety of reasons, Google developers have written a ton of code over the past
   * decade that assumes that they can use checkNotNull for non-precondition checks. I had hoped to

    assertThat(parse("http://[0:0:0:0:0:0:0:0]/").host).isEqualTo("::")
    assertThat(parse("http://[::ffff:c0a8:1fe]/").host).isEqualTo("192.168.1.254")
  }

  /**
   * The builder permits square braces but does not require them.
   */
  @Test
  fun hostIpv6Builder() {
    val base = parse("http://example.com/")
    assertThat(
      base
        .newBuilder()
        .host("[::1]")
        .build()

* PodSecurityPolicy: when multiple policies allow a submitted pod, priority is given to ones which do not require any fields in the pod spec to be defaulted. If the pod must be defaulted, the first policy (ordered by name) that allows the pod is used. ([#52849](https://github.com/kubernetes/kubernetes/pull/52849), [@liggitt](https://github.com/liggitt))

  - [stable] Automated docker validation results posted to https://k8s-testgrid.appspot.com/docker [kubernetes/features#57](https://github.com/kubernetes/enhancements/issues/57)
- **Scheduling**

  - [beta] StatefulSets allow workloads that require persistent identity or per-instance storage to be created and managed on Kubernetes. ([docs](http://kubernetes.io/docs/concepts/abstractions/controllers/statefulsets/)) ([kubernetes/features#137](https://github.com/kubernetes/enhancements/issues/137))...

      if (maxSize() < thatMinSize) {
        return false; // this.size() < that.size()
      }

      // the base implementation from AbstractSet uses size() and containsAll()
      // both require iterating over the entire SetView
      // we avoid iterating twice by doing the equivalent of both in one iteration
      int thisSize = 0;
      for (E e : this) {
        try {
          if (!that.contains(e)) {

// Set if `graph` requires shape inference functions.
TF_CAPI_EXPORT extern void TF_SetRequireShapeInferenceFns(TF_Graph* graph,
                                                          bool require);

// Extends `session` with any new operations added to its associated graph.
// Usually this happens automatically in TF_SessionRun. After this is called,

		groups := createReq.Groups

		_, err := ldap.NormalizeDN(parent)
		if err != nil {
			// not a valid DN, ignore.
			continue
		}

		hasDiff := false

		// For the parent value, we require that the parent exists in the LDAP
		// server and is under a configured base DN.
		validatedParent, isUnderBaseDN, err := sys.LDAPConfig.GetValidatedUserDN(conn, parent)
		if err != nil {