public interface BlockStore {
    /**
     * Opens this store, calling the given action if the store is empty.
     */
    void open(Runnable initAction, Factory factory);

    /**
     * Closes this store.
     */
    void close();

    /**
     * Discards all blocks from this store.
     */
    void clear();

    /**
     * Removes the given block from this store.
     */
    void remove(BlockPayload block);

    }

    @Override
    public void enqueue(Runnable task) {
        addToQueue(task);
    }

    private void addToQueue(Runnable task) {
        if (closed) {
            throw new IllegalStateException("The worker has already been closed. Cannot add more work to queue.");
        }
        try {
            workQueue.put(task);
        } catch (InterruptedException e) {

		channel := make(chan struct{})
		to.terminated[c.Name] = channel
		mainContainerChannels = append(mainContainerChannels, channel)

		// if its not a running container, pre-close the channel so nothing waits on it
		if _, isRunning := runningContainers[c.Name]; !isRunning {
			close(channel)
		}
	}

	var previousSidecarName string
	for i := range pod.Spec.InitContainers {
		// get the init containers in reverse order

		c, err := d.Dial("tcp", a.String())
		if err == nil {
			Println("did dial")
			go func() {
				time.Sleep(time.Duration(rand.Intn(500)) * time.Millisecond)
				c.Close()
				Println("closed dial")
			}()
		}
		// Don't run out of ephemeral ports too quickly:
		time.Sleep(250 * time.Millisecond)
	}
}

func stressNet() {

    assert response.status_code == 200, response.text
    assert response.json() == {"filename": "test.txt"}

    assert testing_file_store
    assert testing_file_store[0].file.closed


# For UploadFile coverage, segments copied from Starlette tests


@pytest.mark.anyio
async def test_upload_file():
    stream = io.BytesIO(b"data")
    file = UploadFile(filename="file", file=stream, size=4)

    }

    def "can receive request for lock that is already closed"() {
        when:
        int port = handler.reservePort()
        handler.start(10, { assert false })
        sleep(300) //so that it starts receiving

        //close the lock
        handler.stop(10)

        //receive request for lock that is already closed
        client.maybePingOwner(port, 10, "lock 1", 50000, null)

	}
	defer resp.Body.Close()
	body, err := io.ReadAll(resp.Body)
	if err != nil {
		return nil, err
	}
	traces, err := extractTraces(body)
	if err != nil {
		return nil, err
	}
	return traces, nil
}

// Close implements io.Closer.
func (c *kubeComponent) Close() error {
	if c.forwarder != nil {
		c.forwarder.Close()
	}
	return nil
}

	}

	return n, nil
}

// Close closes the connection.
func (c *Conn) Close() error {
	// Interlock with Conn.Write above.
	var x int32
	for {
		x = c.activeCall.Load()
		if x&1 != 0 {
			return net.ErrClosed
		}
		if c.activeCall.CompareAndSwap(x, x|1) {
			break
		}
	}
	if x != 0 {
		// io.Writer and io.Closer should not be used concurrently.

      return multiset().subMultiset(fromElement, CLOSED, toElement, OPEN).elementSet();
    }

    @Override
    public SortedSet<E> headSet(@ParametricNullness E toElement) {
      return multiset().headMultiset(toElement, OPEN).elementSet();
    }

    @Override
    public SortedSet<E> tailSet(@ParametricNullness E fromElement) {
      return multiset().tailMultiset(fromElement, CLOSED).elementSet();
    }

    @Override

func (c *lockRESTClient) IsOnline() bool {
	return c.connection.State() == grid.StateConnected
}

// Not a local locker
func (c *lockRESTClient) IsLocal() bool {
	return false
}

// Close - marks the client as closed.
func (c *lockRESTClient) Close() error {
	return nil
}

// String - returns the remote host of the connection.
func (c *lockRESTClient) String() string {
	return c.connection.Remote
}