* @param key The key of the setting.
     * @return The setting value, or null if not found.
     */
    public Object get(final String key) {
        final GetResponse getResponse =
                client.prepareGet().setIndex(settingsIndexName).setId(settingsId).execute().actionGet(getSearchTimeout());
        if (!getResponse.isExists()) {
            return null;
        }
        final Map<String, Object> map = getResponse.getSource();

        if (pointer == 0) {
            return null; // NULL pointer
        }

        int maxCount = buf.dec_ndr_long();
        int offset = buf.dec_ndr_long();
        int actualCount = buf.dec_ndr_long();

        if (actualCount <= 0) {
            return "";
        }

        // Read wide string data (UTF-16LE)
        int byteCount = (actualCount - 1) * 2; // Exclude null terminator

        }

        @Test
        @DisplayName("Should handle null root cause")
        void testConstructorWithNullRootCause() {
            TransportException exception = new TransportException((Throwable) null);

            assertNotNull(exception);
            assertNull(exception.getRootCause());
        }

        @Test
        @DisplayName("Should handle null message with root cause")

    /*
     * (non-Javadoc)
     *
     * @see org.seasar.extension.timer.TimeoutTarget#expired()
     */
    @Override
    public void expired() {
        if (clientConnectionManager == null) {
            logger.warn("clientConnectionManager is null.");
            return;
        }

        try {
            // Close expired connections
            clientConnectionManager.closeExpiredConnections();

      assertThrows(NullPointerException.class, () -> entry.setValue(null));
      expectUnchanged();
    }
  }

  @MapFeature.Require({SUPPORTS_PUT, ALLOWS_NULL_VALUES})
  @CollectionSize.Require(absent = ZERO)
  public void testSetValueNullSupported() {
    for (Entry<K, V> entry : getMap().entrySet()) {
      if (entry.getKey().equals(k0())) {
        entry.setValue(null);
      }
    }
    expectReplacement(entry(k0(), (V) null));

    }

    int getId() {
        return id;
    }

    /**
     * Helper method to simplify null processing
     *
     * @param scope a scope or {@code null}
     * @return the provided scope or DEFAULT_SCOPE
     */
    public static ArtifactScopeEnum checkScope(ArtifactScopeEnum scope) {
        return scope == null ? DEFAULT_SCOPE : scope;
    }

    /**
     *

    this.slackApi = slackApi;
  }

  /** Shows a browser URL to authorize this app to act as this user. */
  public void requestOauthSession(String scopes, String team) throws Exception {
    if (sessionFactory == null) {
      sessionFactory = new OAuthSessionFactory(slackApi);
      sessionFactory.start();
    }

    HttpUrl authorizeUrl = sessionFactory.newAuthorizeUrl(scopes, team, session -> {
      initOauthSession(session);

    private final RepositorySystemSession session;

    private final RepositoryCache cache;

    public static ModelCache newInstance(RepositorySystemSession session) {
        if (session.getCache() == null) {
            return null;
        } else {
            return new DefaultModelCache(session);
        }
    }

    private DefaultModelCache(RepositorySystemSession session) {
        this.session = session;

/**
 * A node pointer for JXPath to support <code>Xpp3Dom</code>.
 *
 */
class Xpp3DomNodePointer extends NodePointer {

    private XmlNode node;

    Xpp3DomNodePointer(XmlNode node) {
        super(null);
        this.node = node;
    }

    Xpp3DomNodePointer(NodePointer parent, XmlNode node) {
        super(parent);
        this.node = node;
    }

    @Override

        try {
            if (dirtyGraph == null || dirtyGraph.isEmpty()) {
                return null;
            }

            MetadataGraph cleanGraph = conflictResolver.resolveConflicts(dirtyGraph, scope);

            if (cleanGraph == null || cleanGraph.isEmpty()) {
                return null;
            }

            ClasspathContainer cpc = new ClasspathContainer(scope);