this.manager = manager;
        this.strategy = LoadBalancingStrategy.ADAPTIVE;
        this.roundRobinCounter = new AtomicInteger(0);
    }

    /**
     * Get current load balancing strategy
     *
     * @return current strategy
     */
    public LoadBalancingStrategy getStrategy() {
        return strategy;
    }

    /**
     * Set load balancing strategy
     *

     * @param parentKey the parent key path
     * @param textBuilder the string builder for text content
     * @param metadataMap the map for metadata extraction
     * @param depth the current depth in the JSON structure
     */
    protected void extractContent(final JsonNode node, final String parentKey, final StringBuilder textBuilder,
            final Map<String, List<String>> metadataMap, final int depth) {

    }

  /**
   * Asserts that the current response was redirected and returns the prior response.
   */
  fun priorResponse(): RecordedResponse {
    val priorResponse = response!!.priorResponse!!
    return RecordedResponse(priorResponse.request, priorResponse, null, null, null)
  }

  /**
   * Asserts that the current response used the network and returns the network response.
   */

	formatConfigFile = "format.json"
)

const (
	// Version of the formatMetaV1
	formatMetaVersionV1 = "1"
)

// format.json currently has the format:
// {
//   "version": "1",
//   "format": "XXXXX",
//   "XXXXX": {
//
//   }
// }
// Here "XXXXX" depends on the backend, currently we have "fs" and "xl" implementations.
// formatMetaV1 should be inherited by backend format structs. Please look at format-fs.go

    segment = cache.segments[0];
    chain = null;
    for (int i = 0; i < length; i++) {
      Object key = new Object();
      // TODO(b/145386688): This access should be guarded by 'this.segment', which is not currently
      // held
      chain = segment.newEntry(key, cache.hash(key), chain);
      if (i == 0) {
        head = chain;
      }
    }
  }

  @SuppressWarnings("GuardedBy")
  @Benchmark

    return new TopKSelector<>(Ordering.from(comparator).reverse(), k);
  }

  private final int k;
  private final Comparator<? super T> comparator;

  /*
   * We are currently considering the elements in buffer in the range [0, bufferSize) as candidates
   * for the top k elements. Whenever the buffer is filled, we quickselect the top k elements to the
   * range [0, k) and ignore the remaining elements.

	for len(r.current) <= r.recordsRead {
		if r.err != nil {
			return nil, r.err
		}
		// Move to next block
		item, ok := <-r.queue
		if !ok {
			r.err = io.EOF
			return nil, r.err
		}

		r.csvDstPool.Put(r.current)
		r.current = <-item.dst
		r.err = item.err
		r.recordsRead = 0
	}
	csvRecord := r.current[r.recordsRead]
	r.recordsRead++

        int count = 0;
        int prev = -1;
        Map<String, Object> source;
        while ((source = reader.read()) != null) {
            int current = Integer.parseInt(source.get("field2").toString());
            assertTrue(prev < current);
            prev = current;
            count++;
        }
        assertEquals(num, count);

        reader = new ESSourceReader(client, settings, indexName);

*----+------+------+
| <<<maven.home>>> | The path to the current Maven home. | <<<$\{maven.home\}>>> |
*----+------+------+
| <<<maven.version>>> | The version number of the current Maven execution <(since 3.0.4)>. For example, "<<<3.0.5>>>". | <<<$\{maven.version\}>>> |
*----+------+------+

MINIO_CONFIG_DIR="$WORK_DIR/.minio"
MINIO=("$PWD/minio" --config-dir "$MINIO_CONFIG_DIR" server)

if [ ! -x "$PWD/minio" ]; then
	echo "minio executable binary not found in current directory"
	exit 1
fi

if [ ! -x "$PWD/minio" ]; then
	echo "minio executable binary not found in current directory"
	exit 1
fi

function start_minio_4drive() {
	start_port=$1

	export MINIO_ROOT_USER=minio
	export MINIO_ROOT_PASSWORD=minio123