defer wg.Done()
		// signal the calling goroutine that the worker is ready tor receive tasks
		close(readyCh)
		var expired []ObjectToDelete
		for t := range taskCh {
			switch v := t.(type) {
			case noncurrentVersionsTask:
				expired = append(expired, v.versions...)
			case expiryTask:
				expired = append(expired, ObjectToDelete{
					ObjectV: ObjectV{
						ObjectName: v.objInfo.Name,
						VersionID:  v.objInfo.VersionID,

                    .forEach(sessionCache::remove);
        }
    }

    /**
     * Checks if a session is expired.
     *
     * @param session the session to check
     * @return true if the session is expired
     */
    protected boolean isExpired(final ChatSession session) {
        final int timeoutMinutes = getSessionTimeoutMinutes();

		c.onEvict(e.Key, e.Value)
	}
}

// deleteExpired deletes expired records from the oldest bucket, waiting for the newest entry
// in it to expire first.
func (c *LRU[K, V]) deleteExpired() {
	c.mu.Lock()
	bucketIdx := c.nextCleanupBucket
	timeToExpire := time.Until(c.buckets[bucketIdx].newestEntry)
	// wait for newest entry to expire before cleanup without holding lock
	if timeToExpire > 0 {
		c.mu.Unlock()

                    pathToLease.remove(entry.getValue().getPath());
                    cleaned++;
                    log.debug("Cleaned up expired lease: {}", entry.getKey());
                }
            }

            if (cleaned > 0) {
                log.info("Cleaned up {} expired leases", cleaned);
            }

            return cleaned;
        } finally {
            lock.writeLock().unlock();
        }

		name    string
		fv      formValues
		expired bool
		wantErr string
	}

	// Test case just contains fields we override from defaultFormVals.
	testCases := []testCase{
		{
			name:    "happy path no errors",
			fv:      defaultFormVals.Clone(),
			wantErr: "",
		},
		{
			name:    "expired policy document",
			fv:      defaultFormVals.Clone(),
			expired: true,

        // Should still not be expired
        assertFalse(auth.isExpired());

        // Wait for original TTL to pass
        Thread.sleep(600);

        // Should still not be expired because we reset
        assertFalse(auth.isExpired());

        // Wait for the full TTL since reset
        Thread.sleep(500);

        // Now it should be expired
        assertTrue(auth.isExpired());
    }

        try {
            // Clean up expired handles
            handles.entrySet().removeIf(entry -> {
                HandleInfo info = entry.getValue();
                if (info.isExpired() && !info.isReconnecting()) {
                    guidToHandle.remove(info.getCreateGuid());
                    removePersistedHandle(info);
                    log.debug("Removed expired handle: {}", info.getPath());

    }

    /**
     * Checks for expired registrations based on heartbeat timeouts.
     */
    private void checkHeartbeats() {
        long timeout = context.getConfig().getWitnessHeartbeatTimeout();

        for (WitnessRegistration registration : registrations.values()) {
            if (registration.isExpired(timeout)) {
                log.warn("Witness registration expired: {}", registration.getRegistrationId());

                if (deleted != null && deleted.longValue() > 0 && logger.isDebugEnabled()) {
                    logger.debug("Cleaned up expired documents: count={}", deleted);
                }
            }
        } catch (final Exception e) {
            logger.debug("Failed to cleanup expired documents.", e);
        }
    }

    // ===================================================================================

    }

    @Test
    public void test_getType_immutability() {
        // Test that getType returns the same value consistently
        String type = "ApiKey";
        String message = "API key expired";
        InvalidAccessTokenException exception = new InvalidAccessTokenException(type, message);

        String firstCall = exception.getType();
        String secondCall = exception.getType();