* is computed from the monotonic duration since system start to ensure consistency
 * between time measurements.
 * <p>
 * This implementation is singleton-based and always uses UTC timezone. The clock
 * cannot be adjusted to different timezones to maintain consistent monotonic behavior.
 * Users needing local time representation should convert the result of {@link #instant()}

    /**
     * Removes a stored crawling configuration from the session-based storage.
     *
     * @param sessionCountId the session count ID of the configuration to remove
     */
    public void remove(final String sessionCountId) {
        crawlingConfigMap.remove(sessionCountId);
    }

    /**
     * Retrieves a stored crawling configuration from the session-based storage.
     *

    /** Field name for site information in search results */
    public static final String SITE_FIELD = "site";

    /** Field name for URL-based search queries */
    public static final String INURL_FIELD = "inurl";

    /** Sort value for score-based sorting */
    protected static final String SCORE_SORT_VALUE = "score";

    /** Array of fields to be included in standard search response */

# Generating SDKs { #generating-sdks }

Because **FastAPI** is based on the **OpenAPI** specification, its APIs can be described in a standard format that many tools understand.

This makes it easy to generate up-to-date **documentation**, client libraries (<abbr title="Software Development Kits">**SDKs**</abbr>) in multiple languages, and **testing** or **automation workflows** that stay in sync with your code.

     * Used to access various configuration settings like paging parameters.
     */
    @Resource
    protected FessConfig fessConfig;

    /**
     * Retrieves a paginated list of related queries based on the provided pager parameters.
     * This method performs a database query with pagination and updates the pager with result information.
     *

	maxDuration                        = math.MaxInt64
	maxDynamicTimeout                  = 24 * time.Hour // Never set timeout bigger than this.
)

// timeouts that are dynamically adapted based on actual usage results
type dynamicTimeout struct {
	timeout       int64
	minimum       int64
	entries       int64
	log           [dynamicTimeoutLogSize]time.Duration
	mutex         sync.Mutex

///

## Read the Tutorial first { #read-the-tutorial-first }

The next sections assume you already read the main [Tutorial - User Guide: Security](../../tutorial/security/index.md){.internal-link target=_blank}.

    /**
     * If the module path contains at least one filename-based auto-module, prepares a warning message.
     * The module path is the collection of dependencies associated with {@link JavaPathType#MODULES}.
     * It is caller's responsibility to send the message to a logger.
     *
     * @return warning message if at least one filename-based auto-module was found
     */

        if (responseTimeMs > 0) {
            updateResponseTimeMetrics(responseTimeMs);
        }

        rollingWindow.recordFailure();

        // Dynamic threshold adjustment based on failure patterns
        if (dynamicThresholdEnabled) {
            adjustThresholdBasedOnMetrics();
        }

        if (currentState == State.HALF_OPEN) {

This is based on RFC 4253, section 6.4, but with hmac-md5 variants removed because they have 
reached the end of their useful life.

Valid values: 

```
******@****.***
******@****.***
hmac-sha2-256
hmac-sha2-512
hmac-sha1
hmac-sha1-96
```

### Certificate-based authentication