func (pr *progressReader) Close() error {
	pr.closedMu.Lock()
	defer pr.closedMu.Unlock()
	if pr.closed {
		return nil
	}
	pr.closed = true
	if pr.closer != nil {
		pr.closer.Close()
	}
	return pr.rc.Close()
}

func (pr *progressReader) Stats() (bytesScanned, bytesProcessed int64) {
	if pr == nil {
		return 0, 0
	}
	return pr.scannedReader.BytesRead(), pr.processedReader.BytesRead()
}

	// wg counts the number of outstanding HTTP requests on this server.
	// Close blocks until all requests are finished.
	wg sync.WaitGroup

	mu     sync.Mutex // guards closed and conns
	closed bool
	conns  map[net.Conn]http.ConnState // except terminal states

	// client is configured for use with the server.
	// Its transport is automatically closed when Close is called.
	client *http.Client
}

    checkNotNull(charSequence);

    Closer closer = Closer.create();
    try {
      Writer out = closer.register(openStream());
      out.append(charSequence);
      out.flush(); // https://code.google.com/p/guava-libraries/issues/detail?id=1330
    } catch (Throwable e) {
      throw closer.rethrow(e);
    } finally {
      closer.close();
    }
  }

  /**

        homeDirServices.release(services1)

        then:
        !homeDir2Service.closed
        !homeDir1Service.closed

        when:
        homeDirServices.release(services2)

        then:
        homeDir2Service.closed
        !homeDir1Service.closed
    }

    def "closes services when registry closed"() {
        def dir = new File("home-dir")

        given:

    checkNotNull(bytes);

    Closer closer = Closer.create();
    try {
      OutputStream out = closer.register(openStream());
      out.write(bytes);
      out.flush(); // https://code.google.com/p/guava-libraries/issues/detail?id=1330
    } catch (Throwable e) {
      throw closer.rethrow(e);
    } finally {
      closer.close();
    }
  }

  /**

    checkNotNull(bytes);

    Closer closer = Closer.create();
    try {
      OutputStream out = closer.register(openStream());
      out.write(bytes);
      out.flush(); // https://code.google.com/p/guava-libraries/issues/detail?id=1330
    } catch (Throwable e) {
      throw closer.rethrow(e);
    } finally {
      closer.close();
    }
  }

  /**

        0 * opened._

        when:
        factory.close()

        then:
        1 * closed.accept(implementation)
        0 * _
    }

    void "closes cache instance when reference is closed"() {
        def implementation

        when:
        def cache1 = factory.open(tmpDir.testDirectory, null, [prop: 'value'], mode(Exclusive), null, null)

// arrives or the write end is closed.
// If the write end is closed with an error, that error is
// returned as err; otherwise err is EOF.
func (r *PipeReader) Read(data []byte) (n int, err error) {
	return r.pipe.read(data)
}

// Close closes the reader; subsequent writes to the
// write half of the pipe will return the error [ErrClosedPipe].
func (r *PipeReader) Close() error {
	return r.CloseWithError(nil)
}

	return len(buf), nil
}

func (rc *signalingNopWriteCloser) Close() error {
	close(rc.closed)
	return rc.ReadCloser.Close()
}

// Test whether server properly closes connection when processing slow
// requests
func TestSlowRequest(t *testing.T) {
	pr, pw := io.Pipe()

	writerDone := make(chan struct{})
	go func() {
		for _, buf := range [][]byte{
			streamBeginTypeStdin,

 *
 * <pre>{@code
 * FluentFuture<UserName> userName =
 *     ClosingFuture.submit(
 *             closer -> closer.eventuallyClose(database.newTransaction(), closingExecutor),
 *             executor)
 *         .transformAsync((closer, transaction) -> transaction.queryClosingFuture("..."), executor)
 *         .transform((closer, result) -> result.get("userName"), directExecutor())