// finished, if any.
  //
  // `cancellation_manager` must live until after `Join` finishes and pending
  // `is_async` operations finish. In addition to allowing the caller to cancel
  // the operation, its `StartCancel` method will be called if op execution
  // fails on any device in order to cancel the others.
  void StartExecute(TFE_Context* context, const char* operation_name,

				errFileNotFound,
				errFileNotFound,
				nil,
			},
			dataErrs:         nil,
			expectedMeta:     ifi,
			expectedDangling: true,
		},
		{
			name: "FileInfoDecided-case2-delete-marker",
			metaArr: []FileInfo{
				{},
				{},
				{},
				{Deleted: true},
			},
			errs: []error{
				errFileNotFound,
				errFileNotFound,
				errFileNotFound,
				nil,
			},

		// invalid worker size.
		return err
	}

	ctx, cancel := context.WithCancel(ctx)

	results := make(chan itemOrErr[ObjectInfo], 100)
	if err := api.Walk(ctx, r.Bucket, r.Prefix, results, WalkOptions{
		Marker: lastObject,
		Filter: selectObj,
	}); err != nil {
		cancel()
		// Do not need to retry if we can't list objects on source.
		return err
	}
	failed := false
	for res := range results {

   * auth param in the challenge at key null. Invalid headers and challenges are ignored.
   * No semantic validation is done, for example that `Basic` auth must have a `realm`
   * auth param, this is up to the caller that interprets these challenges.
   */
  fun challenges(): List<Challenge> {
    return headers.parseChallenges(
      when (code) {
        HTTP_UNAUTHORIZED -> "WWW-Authenticate"

	return valid
}

// isTierNameInUse returns tier type and true if there exists a remote tier by
// name tierName, otherwise returns madmin.Unsupported and false. N B this
// function is meant for internal use, where the caller is expected to take
// appropriate locks.
func (config *TierConfigMgr) isTierNameInUse(tierName string) (madmin.TierType, bool) {
	if t, ok := config.Tiers[tierName]; ok {
		return t.Type, true
	}

			return
		}
		return
	}
}

// listObjectsV2InArchive generates S3 listing result ListObjectsV2Info from zip file, all parameters are already validated by the caller.
func listObjectsV2InArchive(ctx context.Context, objectAPI ObjectLayer, bucket, prefix, token, delimiter string, maxKeys int, startAfter string, h http.Header) (ListObjectsV2Info, error) {

// When the config has no selector labels, this method will treat it as qualified namespace level
// config. So configs passed into this method should only contains workload's namespaces configs
// and rootNamespaces configs, caller should be responsible for controlling configs passed
// in.
func findMatchedConfigs(podsLabels klabels.Set, configs []*config.Config) []*config.Config {
	var cfgs []*config.Config

	for _, cfg := range configs {

    this.futures = checkNotNull(futures);
    this.allMustSucceed = allMustSucceed;
    this.collectsValues = collectsValues;
  }

  @Override
  @SuppressWarnings("Interruption") // We are propagating an interrupt from a caller.
  protected final void afterDone() {
    super.afterDone();

    @RetainedLocalRef ImmutableCollection<? extends Future<?>> localFutures = futures;
    releaseResources(OUTPUT_FUTURE_DONE); // nulls out `futures`

        return disconnect(hard, true);
    }


    /**
     * Disconnect the transport
     * 
     * @param hard
     * @param inUse
     *            whether the caller is holding a usage reference on the transport
     * @return whether conenction was in use
     * @throws IOException
     */
    public synchronized boolean disconnect ( boolean hard, boolean inUse ) throws IOException {

                sch.setMaximumCompressionRatio(maxCompressionRatio);
                sch.setOutputThreshold(maxUncompressionSize);

                //pass self to handle embedded documents if
                //the caller hasn't specified one.
                if (context.get(EmbeddedDocumentExtractor.class) == null) {
                    final Parser p = context.get(Parser.class);
                    if (p == null) {