protected function getRetryTime(): ?int
    {
        $retry = $this->option('retry');

        return \is_numeric($retry) && $retry > 0 ? (int) $retry : null;
    }
protected function getRetryTime(): ?int
    {
        $retry = $this->option('retry');

        return \is_numeric($retry) && $retry > 0 ? (int) $retry : null;
    }
protected function getRetryTime ( ) : ? int { $ retry = $ this -> option ( 'retry' ) ; return \ is_numeric ( $ retry ) && $ retry > 0 ? ( int ) $ retry : null ; }
Get the number of seconds the client should wait before retrying their request.

@return null|int
Get the number of seconds the client should wait before retrying their request .