docs: @Override
      public void removeAllAppenders() {
          if (aai != null) {
              Vector appenders = new Vector();
              Enumeration iter = aai.getAllAppenders();
              if (iter == null) {
                  return;
              }
              while (iter.hasMoreElements()) {
                  appenders.add(iter.nextElement());
              }
              aai.removeAllAppenders();
              iter = appenders.elements();
              while (iter.hasMoreElements()) {
                  fireRemoveAppenderEvent((Appender) iter.nextElement());
              }
          }
      }