}
  }

  static <E extends @Nullable Object> Collection<E> filterCollection(
      Collection<E> collection, Predicate<? super E> predicate) {
    if (collection instanceof Set) {
      return Sets.filter((Set<E>) collection, predicate);
    } else {
      return Collections2.filter(collection, predicate);
    }
  }

  @Override
  public boolean containsKey(@Nullable Object key) {

        // Act + Assert
        assertThrows(PACDecodingException.class, () -> new KerberosApRequest(notASequence, null));
    }

    @Test
    @DisplayName("seq ctor: valid minimal sequence sets apOptions and leaves ticket null")
    void sequenceConstructor_minimal_valid_setsApOptions_noTicket() throws Exception {
        // Arrange
        byte ap = (byte) 0x7A;
        ASN1Sequence seq = buildMinimalApReqSeq(ap);

    /**
     * Default constructor.
     */
    public PopularWordHelper() {
        // Default constructor
    }

    /**
     * Initializes the PopularWordHelper after dependency injection.
     * Sets up the cache with configured size and expiration settings.
     */
    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {
            logger.debug("Initialize {}", this.getClass().getSimpleName());

   * Executor#execute(Runnable) execute()} method is called when this service is started, and should
   * return promptly.
   *
   * <p>The default implementation returns a new {@link Executor} that sets the name of its threads
   * to the string returned by {@link #serviceName}
   */
  protected Executor executor() {
    return command -> newThread(serviceName(), command).start();
  }

  @Override

    addEdge(N1, N2, E12);
    Set<Integer> n1AdjacentNodes = network.adjacentNodes(N1);
    Set<Integer> n2AdjacentNodes = network.adjacentNodes(N2);
    Set<Integer> n1Predecessors = network.predecessors(N1);
    Set<Integer> n2Predecessors = network.predecessors(N2);
    Set<Integer> n1Successors = network.successors(N1);
    Set<Integer> n2Successors = network.successors(N2);
    Set<String> n1IncidentEdges = network.incidentEdges(N1);

import java.util.Optional;
import java.util.Set;
import org.jspecify.annotations.Nullable;

/**
 * An interface for <a
 * href="https://en.wikipedia.org/wiki/Graph_(discrete_mathematics)">graph</a>-structured data,
 * whose edges are <a
 * href="https://github.com/google/guava/wiki/GraphsExplained#uniqueness">unique</a> objects.
 *
 * <p>A graph is composed of a set of nodes and a set of edges connecting pairs of nodes.
 *

@ExtendWith(MockitoExtension.class)
public class SmbCopyUtilTest {

    // --- Tests for openCopyTargetFile ---

    @ParameterizedTest
    @ValueSource(booleans = { true, false })
    @DisplayName("openCopyTargetFile sets correct access flags depending on alsoRead")
    void openCopyTargetFile_accessMask_respectsAlsoRead(boolean alsoRead) throws Exception {
        // Arrange
        SmbFile dest = mock(SmbFile.class);

		v, ok = r.Header[xhttp.AmzContentSha256]
	}

	// Skip if no header was set.
	if !ok {
		return true
	}

	// If x-amz-content-sha256 is set and the value is not
	// 'UNSIGNED-PAYLOAD' we should validate the content sha256.
	switch v[0] {
	case unsignedPayload, unsignedPayloadTrailer:
		return true
	case emptySHA256:
		// some broken clients set empty-sha256
		// with > 0 content-length in the body,

        // Verify that the constructor correctly sets the delegate (inherited from CIFSContextWrapper)
        // and the credentials. The delegate is tested implicitly by calling super's methods.
        // We can directly test getCredentials() to ensure it returns the initial credentials.
        assertEquals(mockCredentials, wrapper.getCredentials(), "Initial credentials should be set by constructor");
    }

    @Test

	return ipList
}

func mustGetLocalLoopbacks() (ipList set.StringSet) {
	ipList = set.NewStringSet()
	for _, ip := range mustGetLocalIPs() {
		if ip != nil && ip.IsLoopback() {
			ipList.Add(ip.String())
		}
	}
	return
}

// mustGetLocalIP4 returns IPv4 addresses of localhost.  It panics on error.
func mustGetLocalIP4() (ipList set.StringSet) {
	ipList = set.NewStringSet()
	for _, ip := range mustGetLocalIPs() {