protected volatile Map<String, Map<String, AccessResultImpl<Long>>> sessionMap = new HashMap<>();

    /** Map of session IDs to include URL patterns for filtering URLs. */
    protected volatile Map<String, List<Pattern>> includeUrlPatternMap = new HashMap<>();

    /** Map of session IDs to exclude URL patterns for filtering URLs. */

    private final Settings settings;

    private final boolean expand;

    private long reloadInterval = 0;

    private final Environment env;

    private volatile long lastModified;

    private volatile long lastChecked;

    private volatile SynonymMap synonymMap;

    public SynonymLoader(final Environment env, final Settings settings, final boolean expand, final Analyzer analyzer) {
        this.env = env;

		// Valid bucket names, but they do not exist (Test number 5-7).
		{"volatile-bucket-1", "", "", "", "", 0, ListMultipartsInfo{}, BucketNotFound{Bucket: "volatile-bucket-1"}, false},
		{"volatile-bucket-2", "", "", "", "", 0, ListMultipartsInfo{}, BucketNotFound{Bucket: "volatile-bucket-2"}, false},
		{"volatile-bucket-3", "", "", "", "", 0, ListMultipartsInfo{}, BucketNotFound{Bucket: "volatile-bucket-3"}, false},

    private final String classifier;

    private volatile String scope;

    private volatile File file;

    private ArtifactRepository repository;

    private String downloadUrl;

    private ArtifactFilter dependencyFilter;

    private ArtifactHandler artifactHandler;

    private List<String> dependencyTrail;

    private volatile String version;

    private VersionRange versionRange;

    protected final Transliterator transliterator = Transliterator.getInstance("Hiragana-Katakana");

    /** Flag indicating if the converter is initialized. */
    protected volatile boolean initialized = false;

    /** Tokenizer factory. */
    protected TokenizerFactory tokenizerFactory = null;

    /**
     * Default constructor.
     */
    public KatakanaConverter() {

		// Valid bucket names, but they do not exist (6-8).
		{"volatile-bucket-1", "", "", "", 1000, ListObjectsInfo{}, BucketNotFound{Bucket: "volatile-bucket-1"}, false},
		{"volatile-bucket-2", "", "", "", 1000, ListObjectsInfo{}, BucketNotFound{Bucket: "volatile-bucket-2"}, false},
		{"volatile-bucket-3", "", "", "", 1000, ListObjectsInfo{}, BucketNotFound{Bucket: "volatile-bucket-3"}, false},

 * </p>
 *
 */
public class DataServiceImpl implements DataService<AccessResultImpl<Long>> {

    /** Counter for generating unique IDs */
    protected static volatile long idCount = 0L;

    /** Lock object for synchronizing access to idCount */
    private static Object idCountLock = new Object();

    /** Helper for managing access result data in memory */
    @Resource

    /**
     * Atomic counter for tracking the number of accesses made.
     */
    protected AtomicLong accessCount = new AtomicLong(0);

    /**
     * Current status of the crawler.
     */
    protected volatile CrawlerStatus status = CrawlerStatus.INITIALIZING;

    /**
     * Filter for URLs to control which URLs are processed.
     */
    protected UrlFilter urlFilter;

    /**

    protected boolean resolveSids = true;

    /** The content length helper. */
    @Resource
    protected ContentLengthHelper contentLengthHelper;

    /** The SMB authentication holder. */
    protected volatile SmbAuthenticationHolder smbAuthenticationHolder;

    /**
     * Creates a new SmbClient instance.
     */
    public SmbClient() {
        super();
    }

    @Override

        for (int i = 0; i < 500; i++) {
            crawlerContext.decrementAndGetAccessCount();
        }
        assertEquals(501L, crawlerContext.getAccessCount());
    }

    /**
     * Test volatile status field behavior
     */
    public void test_statusVolatile() throws Exception {
        final CountDownLatch statusSetLatch = new CountDownLatch(1);