- Write and Read quorum are required to be satisfied only across the erasure set for an object. Healing is also done per object within the erasure set which contains the object.

	r := rand.New(rand.NewSource(time.Now().UnixNano()))

	retryCtx, cancel := context.WithTimeout(ctx, timeout)
	defer cancel()

	for {
		select {
		case <-retryCtx.Done():
			// Caller context canceled or we timedout,
			// return false anyways for both situations.
			return false
		default:
			if lm.lock(id, source, isWriteLock) {
				return true
			}

	select {
	case <-writer.doneCh:
		return fmt.Errorf("messageWriter is done")
	default:
		writer.finBytesScanned = bytesScanned
		writer.finBytesProcessed = bytesProcessed
		close(writer.payloadCh)
		// Wait until the `start` go-routine is done.
		<-writer.doneCh
		return nil
	}
}

		hostMap = make(map[string]struct{}, len(hosts))
		for _, k := range hosts {
			if k != "" {
				hostMap[k] = struct{}{}
			}
		}
	}
	dID := r.Form.Get("by-depID")
	done := ctx.Done()
	ticker := time.NewTicker(interval)
	defer ticker.Stop()
	w.Header().Set(xhttp.ContentType, string(mimeJSON))

	enc := json.NewEncoder(w)
	for n > 0 {
		var m madmin.RealtimeMetrics

      if (currentSubscribers == null || !currentSubscribers.removeAll(listenerMethodsForType)) {
        // if removeAll returns true, all we really know is that at least one subscriber was
        // removed... however, barring something very strange we can assume that if at least one
        // subscriber was removed, all subscribers on listener for that event type were... after

        }

        String s = stripBasedirToken(path);

        File file = new File(s);
        if (file.isAbsolute()) {
            // path was already absolute, just normalize file separator and we're done
            s = file.getPath();
        } else if (file.getPath().startsWith(File.separator)) {
            // drive-relative Windows path, don't align with project directory but with drive root

      static final int CANCELLED = 4;
      static final int INTERRUPTED = 8;

      private V value;
      private Throwable exception;

      /*
       * Acquisition succeeds if the future is done, otherwise it fails.
       */
      @Override
      protected int tryAcquireShared(int ignored) {
        if (isDone()) {
          return 1;
        }
        return -1;
      }

      /*

    [ -h "$app_path" ]
do
    ls=$( ls -ld "$app_path" )
    link=${ls#*' -> '}
    case $link in             #(
      /*)   app_path=$link ;; #(
      *)    app_path=$APP_HOME$link ;;
    esac
done

# This is normally unused
# shellcheck disable=SC2034
APP_BASE_NAME=${0##*/}
# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)

 but is ready to use other logging implementations: SLF4J is responsible for loading the implementation, referred to as
 {{{http://www.slf4j.org/manual.html#swapping}"SLF4J bindings"}}.

 Logging configuration loading is actually done by logging implementation, without any Maven extensions to support merging
 Maven installation configuration with per-user configuration for example:

	}
}

// IsPresent reports whether a KMS configuration is present.
// It returns an error if multiple KMS configurations are
// present or if one configuration is incomplete.
func IsPresent() (bool, error) {
	// isPresent reports whether at least one of the
	// given env. variables is present.
	isPresent := func(vars ...string) bool {
		for _, v := range vars {
			if _, ok := os.LookupEnv(v); ok {
				return ok