* <ul>
 *   <li>When a cache lookup encounters an existing cache entry {@code hitCount} is incremented.
 *   <li>When a cache lookup first encounters a missing cache entry, a new entry is loaded.
 *       <ul>
 *         <li>After successfully loading an entry {@code missCount} and {@code loadSuccessCount}
 *             are incremented, and the total loading time, in nanoseconds, is added to {@code
 *             totalLoadTime}.

 * <ul>
 *   <li>When a cache lookup encounters an existing cache entry {@code hitCount} is incremented.
 *   <li>When a cache lookup first encounters a missing cache entry, a new entry is loaded.
 *       <ul>
 *         <li>After successfully loading an entry {@code missCount} and {@code loadSuccessCount}
 *             are incremented, and the total loading time, in nanoseconds, is added to {@code
 *             totalLoadTime}.

	cacheStore *sync.Map
}

// Apply update config to new config
func (c *Config) Apply(config *Config) error {
	if config != c {
		*config = *c
	}
	return nil
}

// AfterInitialize initialize plugins after db connected
func (c *Config) AfterInitialize(db *DB) error {
	if db != nil {
		for _, plugin := range c.Plugins {
			if err := plugin.Initialize(db); err != nil {
				return err
			}
		}
	}
	return nil
}

	if errMetaCode != ErrNone {
		return errMetaCode
	}

	// If the host which signed the request is slightly ahead in time (by less than globalMaxSkewTime) the
	// request should still be allowed.
	if pSignValues.Date.After(UTCNow().Add(globalMaxSkewTime)) {
		return ErrRequestNotReadyYet
	}

	if UTCNow().Sub(pSignValues.Date) > pSignValues.Expires {
		return ErrExpiredPresignRequest
	}

	// Save the date and expires.

   * cartesian product is constructed, the input lists are merely copied. Only as the resulting list
   * is iterated are the individual lists created, and these are not retained after iteration.
   *
   * @param lists the lists to choose elements from, in the order that the elements chosen from
   *     those lists should appear in the resulting lists

      }
    }

    @ParametricNullness
    K getKey() {
      return key;
    }

    /**
     * Add the delegate to the map. Other {@code WrappedCollection} methods should call this method
     * after adding elements to a previously empty collection.
     *
     * <p>Subcollection add the ancestor's delegate instead.
     */
    void addToMap() {
      if (ancestor != null) {
        ancestor.addToMap();

        assertEquals(3, ruleManager.getRuleCount());

        // Remove rule
        assertTrue(ruleManager.removeRule(rule2));
        assertEquals(2, ruleManager.getRuleCount());

        // Get rule after removal
        matched = ruleManager.getRule(responseData);
        assertNull(matched); // No matching rule now

        // Add rule4 which matches
        ruleManager.addRule(rule4);

        /** The index indicating the current style. */
        protected int index;

        /**
         * Constructs an instance.
         *
         * @param src the string after conversion
         * @param locale the locale
         */
        public PlainDateFormatIterator(final String src, final Locale locale) {
            this.src = src;
            this.locale = locale;
        }

 *    IP address (`74.122.190.80`), or a hostname pattern (`*.api.squareup.com`).
 *
 *  * **A validity interval.** A certificate should not be used before its validity interval starts
 *    or after it ends.
 *
 *  * **A public key.** This cryptographic key is used for asymmetric encryption digital signatures.
 *    Note that the private key is not a part of the certificate!
 *

     * Creates a new document helper instance.
     */
    public DocumentHelper() {
        // Default constructor
    }

    /**
     * Initializes the document helper after construction.
     * Sets up the TikaExtractor with configuration parameters for text processing.
     */
    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {