this.lastmod = lastmod;
    }

    /**
     * Returns the change frequency of this sitemap entry.
     * @return the change frequency
     */
    public String getChangefreq() {
        return changefreq;
    }

    /**
     * Sets the change frequency of this sitemap entry.
     * @param changefreq the change frequency to set
     */
    public void setChangefreq(final String changefreq) {

      checkArgument(occurrences >= 0);
      Integer frequency = backingMap.getOrDefault(element, 0);
      if (occurrences == 0) {
        return frequency;
      }
      checkArgument(occurrences <= Integer.MAX_VALUE - frequency);
      backingMap.put(element, frequency + occurrences);
      return frequency;
    }

    @Override
    Iterator<E> elementIterator() {

 * <li>{@link #READING_PREFIX} - The prefix for reading fields.</li>
 * <li>{@link #SCORE} - The score field.</li>
 * <li>{@link #QUERY_FREQ} - The query frequency field.</li>
 * <li>{@link #DOC_FREQ} - The document frequency field.</li>
 * <li>{@link #USER_BOOST} - The user boost field.</li>
 * <li>{@link #KINDS} - The kinds field.</li>
 * <li>{@link #TIMESTAMP} - The timestamp field.</li>

        request.addExcludeWord(excludeWord);
        return this;
    }

    /**
     * Sets the query frequency threshold.
     * @param queryFreqThreshold The query frequency threshold.
     * @return This builder instance.
     */
    public PopularWordsRequestBuilder setQueryFreqThreshold(final int queryFreqThreshold) {

        this.responseSequenceNumber = responseSequenceNumber;
    }

    /**
     * Gets the heartbeat interval recommended by the server (in milliseconds).
     * The client can use this to adjust the heartbeat frequency.
     *
     * @return the heartbeat interval in milliseconds
     */
    public long getHeartbeatInterval() {
        return heartbeatInterval;
    }

    /**
     * Sets the heartbeat interval.

     */
    public void addExcludeWord(final String excludeWord) {
        excludeWords.add(excludeWord);
    }

    /**
     * Sets the query frequency threshold.
     * @param queryFreqThreshold The query frequency threshold.
     */
    public void setQueryFreqThreshold(final int queryFreqThreshold) {
        this.queryFreqThreshold = queryFreqThreshold;
    }

    @Override

Events
======

Events allow you to capture metrics on your application’s HTTP calls. Use events to monitor:

 * The size and frequency of the HTTP calls your application makes. If you’re making too many calls, or your calls are too large, you should know about it!
 * The performance of these calls on the underlying network. If the network’s performance isn’t sufficient, you need to either improve the network or use less of it.

### EventListener

of this functionality is to improve efficiency: manually freeing memory
before a garbage collection delays that cycle. Less frequent cycles means
the CPU cost of the garbage collector is incurred less frequently.

This functionality in this package is mostly captured in the Arena type.
Arenas allocate large chunks of memory for Go values, so they're likely to

Existem métodos muito simples de ajudar (A maioria das ajudas podem ser feitas com um ou dois cliques).

E também existem vários modos de se conseguir ajuda.

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 * It uses a ConcurrentMap to store the last access time for each host.
 * The delayBeforeProcessing method is overridden to introduce a delay before processing a URL,
 * ensuring that requests to the same host are not made too frequently.
 * The delay is calculated based on the configured delayMillisBeforeProcessing parameter.
 * If the time since the last request to the host is less than the configured delay,
 * the thread waits until the delay has elapsed.