For example, Google login uses OpenID Connect (which underneath uses OAuth2).

But Facebook login doesn't support OpenID Connect. It has its own flavor of OAuth2.

### OpenID (not "OpenID Connect") { #openid-not-openid-connect }

There was also an "OpenID" specification. That tried to solve the same thing as **OpenID Connect**, but was not based on OAuth2.

   * @param terminationTimeout how long to wait for the executor to finish before terminating the
   *     JVM
   * @return an unmodifiable version of the input which will not hang the JVM
   * @since 33.4.0 (but since 28.0 in the JRE flavor)
   */
  @J2ktIncompatible
  @GwtIncompatible // TODO
  @IgnoreJRERequirement // Users will use this only if they're already using Duration.
  public static ExecutorService getExitingExecutorService(

   * @throws IllegalStateException if the service manager reaches a state from which it cannot
   *     become {@linkplain #isHealthy() healthy}.
   * @since 33.4.0 (but since 28.0 in the JRE flavor)
   */
  @IgnoreJRERequirement // Users will use this only if they're already using Duration.
  public void awaitHealthy(Duration timeout) throws TimeoutException {
    awaitHealthy(toNanosSaturated(timeout), NANOSECONDS);

/oauth_callback" # Can leave empty claimPrefix: "" comment: "" displayName: "" networkPolicy: enabled: false # Specifies whether the policies created will be standard Network Policies (flavor: kubernetes) # or Cilium Network Policies (flavor: cilium) flavor: kubernetes allowExternal: true # only when using flavor: cilium egressEntities: - kube-apiserver ## PodDisruptionBudget settings ## ref: https://kubernetes.io/docs/concepts/workloads/pods/disruptions/ ## podDisruptionBudget: enabled: false maxUnavailable:...

     * @param initialDelay the time to delay first execution
     * @param delay the delay between the termination of one execution and the commencement of the
     *     next
     * @since 33.4.0 (but since 28.0 in the JRE flavor)
     */
    @IgnoreJRERequirement // Users will use this only if they're already using Duration
    public static Scheduler newFixedDelaySchedule(Duration initialDelay, Duration delay) {
      return newFixedDelaySchedule(

   * @param timeout how long to wait before giving up
   * @return the number of elements transferred
   * @throws InterruptedException if interrupted while waiting
   * @since 28.0 (but only since 33.4.0 in the Android flavor)
   */
  @CanIgnoreReturnValue
  @J2ktIncompatible
  @GwtIncompatible // BlockingQueue
  public static <E> int drain(
      BlockingQueue<E> q, Collection<? super E> buffer, int numElements, Duration timeout)

 *     .expectCollects(3, "1", "2")
 *     .expectCollects(10, "1", "4", "3", "2")
 *     .expectCollects(5, "-3", "0", "8");
 * </pre>
 *
 * @author Louis Wasserman
 * @since 33.5.0 (but since 21.0 in the JRE flavor)
 */
@GwtCompatible
@NullMarked
@IgnoreJRERequirement // Users will use this only if they're already using Collector.
public final class CollectorTester<

     */
    public static String getSyntax() {
        return "4fc742e0-4a10-11cf-8273-00aa004ae673:3.0";
    }

    /**
     * DFS volume flavor indicating standalone DFS
     */
    public static final int DFS_VOLUME_FLAVOR_STANDALONE = 0x100;
    /**
     * DFS volume flavor indicating Active Directory blob storage
     */
    public static final int DFS_VOLUME_FLAVOR_AD_BLOB = 0x200;
    /**

/oauth_callback" # Can leave empty claimPrefix: "" comment: "" displayName: "" networkPolicy: enabled: false # Specifies whether the policies created will be standard Network Policies (flavor: kubernetes) # or Cilium Network Policies (flavor: cilium) flavor: kubernetes allowExternal: true # only when using flavor: cilium egressEntities: - kube-apiserver ## PodDisruptionBudget settings ## ref: https://kubernetes.io/docs/concepts/workloads/pods/disruptions/ ## podDisruptionBudget: enabled: false maxUnavailable:...

   * @param timeout how long to wait before giving up
   * @return the number of elements transferred
   * @throws InterruptedException if interrupted while waiting
   * @since 33.4.0 (but since 28.0 in the JRE flavor)
   */
  @CanIgnoreReturnValue
  @J2ktIncompatible
  @GwtIncompatible // BlockingQueue
  @IgnoreJRERequirement // Users will use this only if they're already using Duration
  public static <E> int drain(