assertNull(k);
                      return v3();
                    }));
    expectUnchanged();
    expectNullKeyMissingWhenNullKeysUnsupported(
        "Should not contain null key after unsupported computeIfAbsent(null, function)");
  }

    return Sets.newHashSetWithExpectedSize(expectedSize);
  }

  static <E extends @Nullable Object> Set<E> newConcurrentHashSet() {
    // GWT's ConcurrentHashMap is a wrapper around HashMap, but it rejects null keys, which matches
    // the behaviour of the non-GWT implementation of newConcurrentHashSet().
    // On the other hand HashSet might be better for code size if apps aren't

- Kubeadm: warn but do not error out on missing "ca.key" files for root CA, front-proxy CA and etcd CA, during "kubeadm join --control-plane" if the user has provided all certificates, keys and kubeconfig files which require signing with the given CA keys. ([#94988](https://github.com/kubernetes/kubernetes/pull/94988), [@neolit123](https://github.com/neolit123)) [SIG Cluster Lifecycle]

  public void testPutAllNullValueSingle_unsupported() {
    multimap().putAll(k1(), newArrayList((V) null));
    expectUnchanged();
  }

  // In principle, it would be nice to apply these two tests to keys with existing values, too.

  @MapFeature.Require(value = SUPPORTS_PUT, absent = ALLOWS_NULL_VALUES)
  public void testPutAllNullValueNullLast_unsupported() {
    int size = getNumElements();

    assertThrows(

   * @throws UnsupportedOperationException always
   */
  @CanIgnoreReturnValue
  @Deprecated
  @Override
  @DoNotCall("Always throws UnsupportedOperationException")
  public @Nullable B put(TypeToken<? extends @NonNull B> key, @ParametricNullness B value) {
    throw new UnsupportedOperationException("Please use putInstance() instead.");
  }

  /**
   * Not supported. Use {@link #putInstance} instead.
   *

     *
     * @param key   The key for the JSP file.
     * @param value The file name.
     */
    public void addDesignJspFileName(final String key, final String value) {
        designJspFileNameMap.put(key, value);
    }

    /**
     * Gets the design JSP file name for a given key.
     *
     * @param fileName The key for the JSP file.
     * @return The file name.
     */

   * {@code key} using the binary search algorithm. The list must be sorted using this ordering.
   *
   * @param sortedList the list to be searched
   * @param key the key to be searched for
   * @deprecated Use {@link Collections#binarySearch(List, Object, Comparator)} directly.
   */
  @InlineMe(
      replacement = "Collections.binarySearch(sortedList, key, this)",
      imports = "java.util.Collections")

 * Provides functionality for setting and retrieving objects from request attributes,
 * error handling, and validation in web API context.
 */
public final class WebApiUtil {

    /**
     * Request attribute key for storing web API exceptions.
     */
    private static final String WEB_API_EXCEPTION = "webApiException";

    /**
     * Private constructor to prevent instantiation.
     */
    private WebApiUtil() {
    }

            }
        }));
    }

    /**
     * Imports crawling information and parameters from a CSV file.
     * The CSV format expected is: SessionId, SessionCreatedTime, Key, Value, CreatedTime.
     * Creates new crawling sessions if they don't exist and adds parameters to them.
     *
     * @param reader the Reader containing CSV data to import
     */

 * @since 20.0
 */
public interface MutableValueGraph<N, V> extends ValueGraph<N, V> {

  /**
   * Adds {@code node} if it is not already present.
   *
   * <p><b>Nodes must be unique</b>, just as {@code Map} keys must be. They must also be non-null.
   *
   * @return {@code true} if the graph was modified as a result of this call
   */
  @CanIgnoreReturnValue
  boolean addNode(N node);

  /**