* successful (non-null parameters), or failed (non-null throwable). The first common parameters of
 * each event pair are used to link the event in case of concurrent or repeated events e.g.
 * `dnsStart(call, domainName)` → `dnsEnd(call, domainName, inetAddressList)`.
 *
 * Events are typically nested with this structure:
 *
 *  * call ([callStart], [callEnd], [callFailed])

            throw new IllegalArgumentException(
                "Overflow adding " + occurrences + " occurrences to a count of " + oldValue);
          }
        } else {
          // In the case of a concurrent remove, we might observe a zero value, which means another
          // thread is about to remove (element, existingCounter) from the map. Rather than wait,
          // we can just do that work here.

			}
			for j := range disks[:test.offDisks] {
				if bitrotReaders[j] == nil {
					continue
				}
				switch r := bitrotReaders[j].(type) {
				case *wholeBitrotReader:
					r.disk = badDisk{nil}
				case *streamingBitrotReader:
					r.disk = badDisk{nil}
				}
			}
			if test.offDisks > 0 {
				bitrotReaders[0] = nil
			}
			writer.Reset()

  // 1. In the listener that performs the callback. In this case it is fine since inputFuture is
  //    assigned prior to calling addListener, and addListener happens-before any invocation of the
  //    listener. Notably, this means that 'volatile' is unnecessary to make 'inputFuture' visible
  //    to the listener.
  //
  // 2. In done() where we may propagate cancellation to the input. In this case it is _not_ fine.

		if r := cmp.Compare(a.Revision, b.Revision); r != 0 {
			return r
		}
		return cmp.Compare(a.Tag, b.Tag)
	})

	switch outputFormat {
	case util.JSONFormat, util.YamlFormat:
		return printJSONYAML(writer, tags, outputFormat)
	case util.TableFormat:
	default:
		return fmt.Errorf("unknown format: %s", outputFormat)
	}
	w := new(tabwriter.Writer).Init(writer, 0, 8, 1, ' ', 0)

        ALLOWS_NULL_KEYS);
  }

  /**
   * Map generator that verifies that {@code setUp()} methods are called in all the test cases. The
   * {@code setUpRan} parameter is set true by the {@code setUp} that every test case is supposed to
   * have registered, and set false by the {@code tearDown}. We use a dynamic proxy to intercept all
   * of the {@code Map} method calls and check that {@code setUpRan} is true.
   */

        </parameter>
      </parameters>

- we need to know what came from the POM, and validate those
- plugin in any default values
- check to see if anything is missing

		return errTagsDeleteMarkerReplicationDisallowed
	}
	return r.ExistingObjectReplication.Validate()
}

// MetadataReplicate  returns true if object is not a replica or in the case of replicas,
// replica modification sync is enabled.
func (r Rule) MetadataReplicate(obj ObjectOpts) bool {
	if !obj.Replica {
		return true
	}

}

// Validate MQTTArgs fields
func (m MQTTArgs) Validate() error {
	if !m.Enable {
		return nil
	}
	u, err := xnet.ParseURL(m.Broker.String())
	if err != nil {
		return err
	}
	switch u.Scheme {
	case "ws", "wss", "tcp", "ssl", "tls", "tcps":
	default:
		return errors.New("unknown protocol in broker address")
	}
	if m.QueueDir != "" {
		if !filepath.IsAbs(m.QueueDir) {

                  <div class="well">
                      Sometimes, the change was made on the `release` branch but hasn't yet been published to the baseline version.
                      In that case, you can publish a new snapshot from the release branch. This will update `released-versions.json` on `master`.