* Response entity for ping operations.
 */
public class PingResponse {
    private static final String CLUSTER_NAME = "cluster_name";
    private static final String STATUS = "status";
    private static final String TIMED_OUT = "timed_out";
    private static final String NUMBER_OF_NODES = "number_of_nodes";
    private static final String NUMBER_OF_DATA_NODES = "number_of_data_nodes";

        assertTrue(mockConfig.getApiPingEsFieldSet().contains("cluster_name"));
        assertTrue(mockConfig.getApiPingEsFieldSet().contains("status"));
        assertTrue(mockConfig.getApiPingEsFieldSet().contains("timed_out"));
        assertTrue(mockConfig.getApiPingEsFieldSet().contains("number_of_nodes"));
        assertTrue(mockConfig.getApiPingEsFieldSet().contains("number_of_data_nodes"));

        private static final long serialVersionUID = 1L;

        @Override
        public String getApiPingSearchEngineFields() {

index.admin.required.fields=url,title,role,boost

# timeout

# Timeout for index search operations.
index.search.timeout=3m
# Timeout for scroll search operations.
index.scroll.search.timeout=3m
# Timeout for index operations.
index.index.timeout=3m
# Timeout for bulk index operations.
index.bulk.timeout=3m
# Timeout for delete operations in the index.
index.delete.timeout=3m
# Timeout for index health checks.

```
mc cp myphoto.jpg myminio/images
```

Use curl to view contents of `minio_events` index.

```
$ curl  "http://localhost:9200/minio_events/_search?pretty=true"
{
  "took" : 40,
  "timed_out" : false,
  "_shards" : {
    "total" : 5,
    "successful" : 5,
    "failed" : 0
  },
  "hits" : {
    "total" : 1,
    "max_score" : 1.0,
    "hits" : [
      {

    String INDEX_SEARCH_TIMEOUT = "index.search.timeout";

    /** The key of the configuration. e.g. 3m */
    String INDEX_SCROLL_SEARCH_TIMEOUT = "index.scroll.search.timeout";

    /** The key of the configuration. e.g. 3m */
    String INDEX_INDEX_TIMEOUT = "index.index.timeout";

    /** The key of the configuration. e.g. 3m */
    String INDEX_BULK_TIMEOUT = "index.bulk.timeout";

            doSend(request);
            response.expiration = System.currentTimeMillis() + timeout;
            while (!response.isReceived) {
                wait(timeout);
                timeout = response.expiration - System.currentTimeMillis();
                if (timeout <= 0) {
                    throw new TransportException(name + " timedout waiting for response to " + request);
                }
            }

      throw InterruptedIOException()
    }
  }

  /**
   * The Okio timeout watchdog will call [timedOut] if the timeout is reached. In that case we close
   * the stream (asynchronously) which will notify the waiting thread.
   */
  internal inner class StreamTimeout : AsyncTimeout() {
    override fun timedOut() {
      closeLater(ErrorCode.CANCEL)
      connection.sendDegradedPingLater()
    }

                        }
                        timeout = curResp.getExpiration() - System.currentTimeMillis();
                        if (timeout <= 0) {
                            if (log.isDebugEnabled()) {
                                log.debug("State is " + this.state);
                            }
                            throw new RequestTimeoutException(this.name + " timedout waiting for response to " + curReq);

    if (timeoutEarlyExit) return cause
    if (!timeout.exit()) return cause

    val e = InterruptedIOException("timeout")
    if (cause != null) e.initCause(cause)
    return e
  }

  /**
   * Stops applying the timeout before the call is entirely complete. This is used for WebSockets
   * and duplex calls where the timeout only applies to the initial setup.
   */
  fun timeoutEarlyExit() {