docs: def handle_special(self, send_body, method_str):
          """Handles a dynamic request. If this method returns False the request
             is interpreted as static file request. Methods can be registered
             using the `add_TYPE_METHOD_mask` methods of QuickServer.
  
          Parameters
          ----------
          send_body : bool
              Whether to actually send the result body. This is False if the URL
              was requested as HEAD.
  
          method_str : string
              The method as string: POST, GET, or HEAD.
  
          Returns
          -------
          A bool whether the request was handled. If it was not handled the
          requested URL is interpreted as static file.
          """
          ongoing = True
          if self.server.report_slow_requests:
              path = self.path
  
              def do_report():
                  if not ongoing:
                      return
                  msg("request takes longer than expected: \"{0} {1}\"",
                      method_str, path)
  
              alarm = threading.Timer(5.0, do_report)
              alarm.start()
          else:
              alarm = None
          try:
              return self._handle_special(send_body, method_str)
          finally:
              if alarm is not None:
                  alarm.cancel()
              ongoing = False