@Override
  public String quit() {
    checkIsInMultiOrPipeline();
    client.quit();
    String quitReturn = client.getStatusCodeReply();
    client.disconnect();
    return quitReturn;
  }
@ Override public String quit ( ) { checkIsInMultiOrPipeline ( ) ; client . quit ( ) ; String quitReturn = client . getStatusCodeReply ( ) ; client . disconnect ( ) ; return quitReturn ; }
Ask the server to silently close the connection.