return words;
    }

    /**
     * Returns the number of popular words.
     *
     * @return the number of popular words
     */
    public int getNum() {
        return num;
    }

    /**
     * Returns the total number of words.
     *
     * @return the total number of words
     */
    public long getTotal() {
        return total;
    }

     *
     * @param bytes number of bytes sent
     * @param durationNanos operation duration in nanoseconds
     */
    public void recordRdmaSend(int bytes, long durationNanos) {
        rdmaSends.incrementAndGet();
        bytesTransferred.addAndGet(bytes);
        totalSendTime.addAndGet(durationNanos);
    }

    /**
     * Record an RDMA receive operation
     *
     * @param bytes number of bytes received

 */
public class IndexingHelper {
    /** Logger for this class */
    private static final Logger logger = LogManager.getLogger(IndexingHelper.class);

    /** Maximum number of retry attempts for failed operations */
    protected int maxRetryCount = 5;

    /** Default number of rows to process in a single batch */
    protected int defaultRowSize = 100;

    /**
     * Default constructor for indexing helper.

		"Total number of bytes failed at least once to replicate in the last hour on a bucket",
		bucketL, targetArnL)
	bucketReplLastHrFailedCountMD = NewGaugeMD(bucketReplLastHrFailedCount,
		"Total number of objects which failed replication in the last hour on a bucket",
		bucketL, targetArnL)
	bucketReplLastMinFailedBytesMD = NewGaugeMD(bucketReplLastMinFailedBytes,

    }

    /**
     * Gets the number of shards for the queue index.
     *
     * @return the number of queue shards
     */
    @Override
    public int getQueueShards() {
        return ComponentUtil.getFessConfig().getIndexDocumentCrawlerQueueNumberOfShardsAsInteger();
    }

    /**
     * Gets the number of shards for the data index.
     *
     * @return the number of data shards
     */
    @Override

    protected int dataDisplacement;

    /** Total number of parameter bytes to be sent */
    protected int totalParameterCount;
    /** Total number of data bytes to be sent */
    protected int totalDataCount;
    /** Maximum number of parameter bytes the server should return */
    protected int maxParameterCount;
    /** Maximum number of data bytes the server should return */
    protected int maxDataCount;

		"Total number of invalid requests", "type")

	apiRequestsWaitingTotalMD = NewGaugeMD(apiRequestsWaitingTotal,
		"Total number of requests in the waiting queue", "type")
	apiRequestsIncomingTotalMD = NewGaugeMD(apiRequestsIncomingTotal,
		"Total number of incoming requests", "type")

	apiRequestsInFlightTotalMD = NewGaugeMD(apiRequestsInFlightTotal,
		"Total number of requests currently in flight", "name", "type")

        receiveCredits.incrementAndGet();
    }

    /**
     * Get number of available send credits
     *
     * @return available send credits
     */
    public int getAvailableSendCredits() {
        return sendCredits.get();
    }

    /**
     * Get number of available receive credits
     *
     * @return available receive credits
     */

regatable\":true,\"readFromDocValues\":true},{\"name\":\"order\",\"type\":\"number\",\"esTypes\":[\"integer\"],\"count\":0,\"scripted\":false,\"searchable\":true,\"aggregatable\":true,\"readFromDocValues\":true},{\"name\":\"queryId\",\"type\":\"string\",\"esTypes\":[\"keyword\"],\"count\":0,\"scripted\":false,\"searchable\":true,\"aggregatable\":true,\"readFromDocValues\":true},{\"name\":\"queryOffset\",\"type\":\"number\",\"esTypes\":[\"integer\"],\"count\":0,\"scripted\":false,\"searchable\":t...

     */
    public List<String> getWords() {
        return words;
    }

    /**
     * Returns the number of suggested words.
     * @return The number of words.
     */
    public int getNum() {
        return num;
    }

    /**
     * Returns the total number of hits.
     * @return The total number of hits.
     */
    public long getTotal() {
        return total;
    }

    /**