// TODO(b/144055243): This should use `fsync`/`sync`.
  Flush(file, status);
}

static void Close(const TF_WritableFile* file, TF_Status* status) {
  auto posix_file = static_cast<PosixFile*>(file->plugin_file);

  if (fclose(posix_file->handle) != 0)
    TF_SetStatusFromIOError(status, errno, posix_file->filename);
  else
    TF_SetStatus(status, TF_OK, "");
}

  @VisibleForTesting
  Closer(Suppressor suppressor) {
    this.suppressor = checkNotNull(suppressor); // checkNotNull to satisfy null tests
  }

  /**
   * Registers the given {@code closeable} to be closed when this {@code Closer} is {@linkplain
   * #close closed}.
   *
   * @return the given {@code closeable}
   */
  // close. this word no longer has any meaning to me.

)

// DrainBody close non nil response with any response Body.
// convenient wrapper to drain any remaining data on response body.
//
// Subsequently this allows golang http RoundTripper
// to reuse the same connection for future requests.
func DrainBody(respBody io.ReadCloser) {
	// Callers should close resp.Body when done reading from it.
	// If resp.Body is not closed, the Client's underlying RoundTripper

		w.wLimit -= int64(n1)
		return n, err
	}
	n1, err = w.Writer.Write(p)
	w.wLimit -= int64(n1)
	return n, err
}

// Close closes the LimitWriter. It behaves like io.Closer.
func (w *LimitWriter) Close() error {
	if closer, ok := w.Writer.(io.Closer); ok {
		return closer.Close()
	}
	return nil
}

// LimitedWriter takes an io.Writer and returns an ioutil.LimitWriter.

    Closer closer = new Closer(suppressor);

    IOException exception = new IOException();

    // c2 is added last, closed first
    TestCloseable c1 = closer.register(TestCloseable.normal());
    TestCloseable c2 = closer.register(TestCloseable.throwsOnClose(exception));

    try {
      closer.close();
    } catch (Throwable expected) {

      // the hook to close this connection if it's no longer in use.
      val noNewExchangesEvent: Boolean
      val toClose: Socket? =
        connection.withLock {
          noNewExchangesEvent = !connection.noNewExchanges
          connection.noNewExchanges = true
          connectionUser.releaseConnectionNoEvents()
        }
      if (toClose != null) {
        toClose.closeQuietly()

    Closer closer = new Closer(suppressor);

    IOException exception = new IOException();

    // c2 is added last, closed first
    TestCloseable c1 = closer.register(TestCloseable.normal());
    TestCloseable c2 = closer.register(TestCloseable.throwsOnClose(exception));

    try {
      closer.close();
    } catch (Throwable expected) {

    if (compareAndUpdateState(OPEN, WILL_CLOSE)) {
      logger.get().log(FINER, "will close {0}", this);
      future.addListener(
          new Runnable() {
            @Override
            public void run() {
              checkAndUpdateState(WILL_CLOSE, CLOSING);
              close();
              checkAndUpdateState(CLOSING, CLOSED);
            }
          },

    if (exchange != this.exchange) return e // This exchange was detached violently!

    var bothStreamsDone = false
    var callDone = false
    this.withLock {
      if (requestDone && requestBodyOpen || responseDone && responseBodyOpen) {
        if (requestDone) requestBodyOpen = false
        if (responseDone) responseBodyOpen = false
        bothStreamsDone = !requestBodyOpen && !responseBodyOpen

    }
  }

  // Avoid infinite recursion if a closeable's close() method throws RejectedExecutionException and
  // is closed using the direct executor.
  public void testCloseThrowsRejectedExecutionException() throws Exception {
    doThrow(new RejectedExecutionException()).when(mockCloseable).close();
    ClosingFuture<Closeable> closingFuture =
        ClosingFuture.submit(