}

        private static class WindowBucket {
            private volatile long requestCount = 0;
            private volatile long failureCount = 0;
            private volatile long totalResponseTime = 0;
            private volatile long minResponseTime = Long.MAX_VALUE;
            private volatile long maxResponseTime = 0;
            private volatile long lastUpdateTime = System.currentTimeMillis();

      implements Supplier<T>, Serializable {
    private transient Object lock = new Object();

    final Supplier<T> delegate;
    transient volatile boolean initialized;
    // "value" does not need to be volatile; visibility piggy-backs
    // on volatile read of "initialized".
    transient @Nullable T value;

    MemoizingSupplier(Supplier<T> delegate) {
      this.delegate = checkNotNull(delegate);
    }

    private volatile boolean includeStackTrace = false;
    private volatile Severity minLogLevel = Severity.INFO;

    // Performance optimization for sensitive data masking
    private volatile boolean enableHighPerformanceMode = false;
    private volatile boolean skipMaskingForDebugLevel = false;

    // Rate limiting
    private final Map<String, AtomicLong> rateLimitCounters = new ConcurrentHashMap<>();

     */
    protected volatile String[] dataStoreNames = StringUtil.EMPTY_STRINGS;

    /**
     * Timestamp of the last time data store names were loaded from plugin files.
     * Used to implement a time-based cache refresh mechanism.
     * Volatile to ensure visibility across threads.
     */
    protected volatile long lastLoadedTime = 0;

    /**

    /** Register for IP address change notifications */
    public static final int WITNESS_REGISTER_IP_NOTIFICATION = 0x00000001;

    // Registration state
    private volatile WitnessRegistrationState state;
    private volatile long lastHeartbeat;
    private volatile int heartbeatFailures;
    private int flags;

    /**
     * Enumeration of possible witness registration states.
     */
    public enum WitnessRegistrationState {

    private static final int SALT_SIZE = 32;
    private static final int PBKDF2_ITERATIONS = 100_000;

    private final SecureRandom secureRandom = new SecureRandom();
    private volatile SecretKey masterKey;
    private volatile byte[] salt;
    private volatile boolean destroyed = false;

    /**
     * Initialize secure credential storage with a master password
     *
     * @param masterPassword the master password for encryption

		// 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},

     * respect to reads.
     *
     * As a guide, all critical volatile reads and writes to the count field are marked in code
     * comments.
     */

    @Weak final LocalCache<K, V> map;

    /** The number of live elements in this segment's region. */
    volatile int count;

    /** The weight of the live elements in this segment's region. */
    @GuardedBy("this")

     */
    private static class IpAttempts {
        private final AtomicInteger recentAttempts = new AtomicInteger(0);
        private volatile Instant lastAttempt = Instant.now();
        private volatile Instant windowStart = Instant.now();
        private volatile Instant blockExpiry = null;
        private final AtomicBoolean blocked = new AtomicBoolean(false);

        void recordAttempt() {

        private static final long serialVersionUID = 1L;

        /** User's group memberships. */
        protected volatile String[] groups;

        /** User's role assignments. */
        protected volatile String[] roles;

        /** User's computed permissions. */
        protected volatile String[] permissions;

        /** Entra ID authentication result. */
        protected IAuthenticationResult authResult;