protected function summary($signal, $time_start, $time_end, $query_exec_time, $exec_queries)
  {
      $this->newLine();
      $this->text(sprintf(
        '<info>%s</info> query process (%s s)', $signal, number_format($query_exec_time, 4)
      ));
      $this->newLine();
      $this->text(sprintf('<comment>%s</comment>', str_repeat('-', 30)));
      $this->newLine();
      $this->text(sprintf(
        '<info>++</info> finished in %s s', number_format(($time_end - $time_start), 4)
      ));
      $this->text(sprintf('<info>++</info> %s sql queries', $exec_queries));
  }