assertThrows(UnsupportedOperationException.class, () -> navigableSet.pollFirst());
  }

  @CollectionSize.Require(SEVERAL)
  public void testLowerHole() {
    resetWithHole();
    assertEquals(null, navigableSet.lower(a));
    assertEquals(a, navigableSet.lower(b));
    assertEquals(a, navigableSet.lower(c));
  }

  @CollectionSize.Require(SEVERAL)
  public void testFloorHole() {
    resetWithHole();

        boolean isAsync = request.isResponseAsync();

        // Then
        assertFalse(isAsync, "Cancel requests should not expect async responses");
    }

    @Test
    @DisplayName("Test getNext returns null")
    void testGetNext() {
        // Given
        Smb2CancelRequest request = new Smb2CancelRequest(mockConfig, 1L, 0L);

        // When
        ServerMessageBlock2Request<?> next = request.getNext();

    public synchronized void close() throws SmbException {
        try {
            if (this.handle != null) {
                try {
                    this.handle.close();
                } catch (final CIFSException e) {
                    throw SmbException.wrap(e);
                }
                this.handle = null;
            }
        } finally {
            this.file.clearAttributeCache();

        return System.getProperty(TEST_TOKEN, DEFAULT_TEST_TOKEN);
    }

    public static String settingTestToken() {
        final String testToken = System.getProperty(TEST_TOKEN);
        if (testToken != null) {
            logger.info("Token: {}", testToken);
            return testToken;
        }

        given().contentType("application/json")

            url.scheme,
            challenge.realm,
            challenge.scheme,
            url.toUrl(),
            Authenticator.RequestorType.SERVER,
          )
        }

      if (auth != null) {
        val credentialHeader = if (proxyAuthorization) "Proxy-Authorization" else "Authorization"
        val credential =
          Credentials.basic(
            auth.userName,
            String(auth.password),

import com.google.common.annotations.J2ktIncompatible;
import java.util.AbstractMap.SimpleImmutableEntry;
import org.jspecify.annotations.Nullable;

/**
 * A notification of the removal of a single entry. The key and/or value may be null if they were
 * already garbage collected.
 *
 * <p>Like other {@code Entry} instances associated with {@code CacheBuilder}, this class holds

  protected InternalFutureFailureAccess() {}

  /**
   * Usually returns {@code null} but, if this {@code Future} has failed, may <i>optionally</i>
   * return the cause of the failure. "Failure" means specifically "completed with an exception"; it
   * does not include "was cancelled." To be explicit: If this method returns a non-null value,
   * then:
   *
   * <ul>
   *   <li>{@code isDone()} must return {@code true}

 * support even a "normal" `TypeParameter<T>` when `<T>` has a nullable bound. (See the discussion
 * on TypeToken.where.) So, in the interest of failing fast and encouraging the user to switch to a
 * non-null bound if possible, let's require a non-null bound here.
 *
 * TODO(cpovirk): Elaborate on "wouldn't behave as users might expect."
 */
public abstract class TypeParameter<T> extends TypeCapture<T> {

  final TypeVariable<?> typeVariable;

    return requireNonNull(incidentEdgeMap.get(edge));
  }

  @Override
  public @Nullable N removeInEdge(E edge, boolean isSelfLoop) {
    if (!isSelfLoop) {
      return removeOutEdge(edge);
    }
    return null;
  }

  @Override
  public N removeOutEdge(E edge) {
    N previousNode = incidentEdgeMap.remove(edge);
    // We're relying on callers to call this method only with an edge that's in the graph.

     * @param server the server name (null defaults to local server)
     * @param access the desired access rights
     * @throws IOException if an I/O error occurs during handle creation
     */
    public SamrPolicyHandle(final DcerpcHandle handle, String server, final int access) throws IOException {
        this.handle = handle;
        if (server == null) {
            server = "\\\\";
        }