.when(mockFlushable)
          .flush();
    }
  }

  // Flush the flushable using the Flushables, passing in the swallowException
  // parameter. expectThrown determines whether we expect an exception to
  // be thrown by Flushables.flush;
  private void doFlush(Flushable flushable, boolean swallowException, boolean expectThrown)
      throws IOException {
    try {
      Flushables.flush(flushable, swallowException);

          .when(mockFlushable)
          .flush();
    }
  }

  // Flush the flushable using the Flushables, passing in the swallowException
  // parameter. expectThrown determines whether we expect an exception to
  // be thrown by Flushables.flush;
  private void doFlush(Flushable flushable, boolean swallowException, boolean expectThrown)
      throws IOException {
    try {
      Flushables.flush(flushable, swallowException);

/**
 * SMB2 Flush request message.
 *
 * This command is used to flush buffered data to the
 * underlying storage device for a given file handle.
 *
 * @author mbechler
 */
public class Smb2FlushRequest extends ServerMessageBlock2Request<Smb2FlushResponse> implements RequestWithFileId {

    private byte[] fileId;

    /**
     * Constructs an SMB2 flush request

    checkNotClosed();
    // tricky: append takes start, end pair...
    target.append(str, off, off + len);
  }

  @Override
  public void flush() throws IOException {
    checkNotClosed();
    if (target instanceof Flushable) {
      ((Flushable) target).flush();
    }
  }

  @Override
  public void close() throws IOException {
    this.closed = true;
    if (target instanceof Closeable) {

        logNotificationTarget.expired();
    }

    @Test
    public void test_flush_callsExpired() {
        // flush() delegates to expired(); with empty buffer, no-op (no exception)
        logNotificationTarget.flush();
    }

    @Test
    public void test_expired_withEvents_drainsBuffer() {
        // Add events to buffer
        ComponentUtil.getLogNotificationHelper()

                }
            }
        } catch (final Exception e) {
            logger.debug("Failed to flush log notifications to OpenSearch.", e);
        }
    }

    /**
     * Flushes all buffered log notification events immediately.
     */
    public void flush() {
        expired();
    }

    private String resolveIndexName() {

import jcifs.internal.util.SMBUtil;

/**
 * SMB2 Flush response message.
 *
 * This response confirms that buffered data has been
 * successfully flushed to the storage device.
 *
 * @author mbechler
 */
public class Smb2FlushResponse extends ServerMessageBlock2Response {

    /**
     * Constructs an SMB2 flush response
     * @param config the client configuration
     */

    return CharBuffer.allocate(DEFAULT_BUF_SIZE);
  }

  private CharStreams() {}

  /**
   * Copies all characters between the {@link Readable} and {@link Appendable} objects. Does not
   * close or flush either object.
   *
   * @param from the object to read from
   * @param to the object to write to
   * @return the number of characters copied
   * @throws IOException if an I/O error occurs
   */

        }
    }

    /**
     * Flushes the {@link OutputStream}.
     *
     * @param out the output stream
     */
    public static void flush(final OutputStream out) {
        if (out == null) {
            return;
        }
        try {
            out.flush();
        } catch (final IOException e) {
            throw new IORuntimeException(e);
        }
    }

  ): Sink

  /** This should update the HTTP engine's sentRequestMillis field. */
  @Throws(IOException::class)
  fun writeRequestHeaders(request: Request)

  /** Flush the request to the underlying socket. */
  @Throws(IOException::class)
  fun flushRequest()

  /** Flush the request to the underlying socket and signal no more bytes will be transmitted. */
  @Throws(IOException::class)
  fun finishRequest()

  /**