afe.initCause(t);
      throw afe;
    }
  }

  /**
   * Delays, via Thread.sleep, for the given millisecond delay, but if the sleep is shorter than
   * specified, may re-sleep or yield until time elapses.
   */
  @SuppressWarnings("ThreadPriorityCheck") // TODO: b/175898629 - Consider onSpinWait?
  static void delay(long millis) throws InterruptedException {
    long startTime = System.nanoTime();

	"istio.io/istio/pkg/slices"
)

type EndpointFilter struct {
	Address string
	Port    uint32
	Cluster string
	Status  string
}

// Verify returns true if the passed host matches the filter fields
func (e *EndpointFilter) Verify(ep *endpoint.LbEndpoint, cluster string) bool {
	if e.Address == "" && e.Port == 0 && e.Cluster == "" && e.Status == "" {
		return true
	}
	if e.Address != "" {

// If no more entries are in the listing io.EOF is returned,
// otherwise nil or an unexpected error is returned.
// The listPathOptions given will be checked and modified internally.
// Required important fields are Bucket, Prefix, Separator.
// Other important fields are Limit, Marker.
// List ID always derived from the Marker.
func (z *erasureServerPools) listPath(ctx context.Context, o *listPathOptions) (entries metaCacheEntriesSorted, err error) {

// BucketUsageInfo - bucket usage info provides
// - total size of the bucket
// - total objects in a bucket
// - object size histogram per bucket
type BucketUsageInfo struct {
	Size uint64 `json:"size"`
	// Following five fields suffixed with V1 are here for backward compatibility
	// Total Size for objects that have not yet been replicated
	ReplicationPendingSizeV1 uint64 `json:"objectsPendingReplicationTotalSize"`

			logger.LogWithTime(istiolog.WarnLevel, m.Msg, m.Time)
		case "error":
			logger.LogWithTime(istiolog.ErrorLevel, m.Msg, m.Time)
		}
	}
}

// parseCniLog is tricky because we have known and arbitrary fields in the log, and Go doesn't make that very easy
func parseCniLog(l string) (cniLog, bool) {
	var raw map[string]json.RawMessage
	if err := json.Unmarshal([]byte(l), &raw); err != nil {

/**
 * Reads lines from `IdnaMappingTable.txt`.
 *
 * Comment lines are either blank or start with a `#` character. Lines may also end with a comment.
 * All comments are ignored.
 *
 * Regular lines contain fields separated by semicolons.
 *
 * The first element on each line is a single hex code point (like 0041) or a hex code point range
 * (like 0030..0039).
 *

}

func retrieveFailedOutlierCheck(l *admin.HostStatus) bool {
	return l.HealthStatus.GetFailedOutlierCheck()
}

// Verify returns true if the passed host matches the filter fields
func (e *EndpointFilter) Verify(host *admin.HostStatus, cluster string) bool {
	if e.Address == "" && e.Port == 0 && e.Cluster == "" && e.Status == "" {
		return true
	}

	"Upgrade Required":                http.StatusUpgradeRequired,
	"Precondition Required":           http.StatusPreconditionRequired,
	"Too Many Requests":               http.StatusTooManyRequests,
	"Request Header Fields Too Large": http.StatusRequestHeaderFieldsTooLarge,
	"Unavailable For Legal Reasons":   http.StatusUnavailableForLegalReasons,
	"Internal Server Error":           http.StatusInternalServerError,

	DeadlineMS uint32    // If non-zero, milliseconds until deadline (max 1193h2m47.295s, ~49 days)
	Handler    HandlerID // ID of handler if invoking a remote handler.
	Op         Op        // Operation. Other fields change based on this value.
	Flags      Flags     // Optional flags.
	Payload    []byte    // Optional payload.
}

// Flags is a set of flags set on a message.
type Flags uint8

```

1. Essa é a função geradora. É definida como "função geradora" porque contém declarações `yield` nela.
2. Ao utilizar o bloco `with`, nós garantimos que o objeto semelhante a um arquivo é fechado após a função geradora ser finalizada. Isto é, após a resposta terminar de ser enivada.