// Other combinations are inherited from SortedMapTestSuiteBuilder.
      derivedSuites.add(createSubmapSuite(parentBuilder, Bound.NO_BOUND, Bound.INCLUSIVE));
      derivedSuites.add(createSubmapSuite(parentBuilder, Bound.EXCLUSIVE, Bound.NO_BOUND));
      derivedSuites.add(createSubmapSuite(parentBuilder, Bound.EXCLUSIVE, Bound.EXCLUSIVE));

    if (!parentBuilder.getFeatures().contains(NoRecurse.SUBMAP)) {
      derivedSuites.add(createSubmapSuite(parentBuilder, Bound.NO_BOUND, Bound.EXCLUSIVE));
      derivedSuites.add(createSubmapSuite(parentBuilder, Bound.INCLUSIVE, Bound.NO_BOUND));
      derivedSuites.add(createSubmapSuite(parentBuilder, Bound.INCLUSIVE, Bound.EXCLUSIVE));
    }

    return derivedSuites;
  }

  @Override

    if (!parentBuilder.getFeatures().contains(NoRecurse.SUBMAP)) {
      derivedSuites.add(createSubmapSuite(parentBuilder, Bound.NO_BOUND, Bound.EXCLUSIVE));
      derivedSuites.add(createSubmapSuite(parentBuilder, Bound.INCLUSIVE, Bound.NO_BOUND));
      derivedSuites.add(createSubmapSuite(parentBuilder, Bound.INCLUSIVE, Bound.EXCLUSIVE));
    }

    return derivedSuites;
  }

  @Override

    if (!parentBuilder.getFeatures().contains(CollectionFeature.SUBSET_VIEW)) {
      derivedSuites.add(createSubsetSuite(parentBuilder, Bound.NO_BOUND, Bound.EXCLUSIVE));
      derivedSuites.add(createSubsetSuite(parentBuilder, Bound.INCLUSIVE, Bound.NO_BOUND));
      derivedSuites.add(createSubsetSuite(parentBuilder, Bound.INCLUSIVE, Bound.EXCLUSIVE));
    }

    return derivedSuites;
  }

  /**

		fallthrough
	case "forbidden":
		err = PrefixAccessDenied{
			Bucket: bucket,
			Object: object,
		}
	case "invalid":
		err = BucketNameInvalid{
			Bucket: bucket,
		}
	case "notFound":
		if object != "" {
			err = ObjectNotFound{
				Bucket: bucket,
				Object: object,
			}
			break
		}
		err = BucketNotFound{Bucket: bucket}
	case "conflict":

		Scopes:      scopes,
	}

	state := randomState()

	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
		log.Printf("%s %s", r.Method, r.RequestURI)
		if r.RequestURI != "/" {
			http.NotFound(w, r)
			return
		}
		if clientSec != "" {
			http.Redirect(w, r, config.AuthCodeURL(state), http.StatusFound)
		} else {
			http.Redirect(w, r, implicitFlowURL(config, state), http.StatusFound)
		}
	})

		lastHandout:  metaCacheTestsetTimestamp,
		dataVersion:  metacacheStreamVersion,
	},
	5: {
		id:           "case-6-404notfound",
		bucket:       "bucket",
		root:         "folder/notfound",
		recursive:    true,
		status:       scanStateSuccess,
		fileNotFound: true,
		error:        "",
		started:      metaCacheTestsetTimestamp,
		ended:        metaCacheTestsetTimestamp.Add(time.Minute),

	return OpConnectResponse
}

type muxConnectError struct {
	Error string
}

func (muxConnectError) Op() Op {
	return OpMuxConnectError
}

type pongMsg struct {
	NotFound bool      `msg:"nf"`
	Err      *string   `msg:"e,allownil"`
	T        time.Time `msg:"t"`
}

func (pongMsg) Op() Op {
	return OpPong
}

type pingMsg struct {
	T time.Time `msg:"t"`
}

// If no files were found false will be returned.
func isObjectDirDangling(errs []error) (ok bool) {
	var found int
	var notFound int
	var foundNotEmpty int
	var otherFound int
	for _, readErr := range errs {
		switch readErr {
		case nil:
			found++
		case errFileNotFound, errVolumeNotFound:
			notFound++
		case errVolumeNotEmpty:
			foundNotEmpty++
		default:
			otherFound++
		}
	}

		return
	}
	select {
	case m.outBlock <- struct{}{}:
	default:
		gridLogIf(m.ctx, errors.New("output unblocked overflow"))
	}
}

func (m *muxClient) pong(msg pongMsg) {
	if msg.NotFound || msg.Err != nil {
		err := errors.New("remote terminated call")
		if msg.Err != nil {
			err = fmt.Errorf("remove pong failed: %v", &msg.Err)
		}
		m.addResponse(Response{Err: err})
		return
	}