protected function configure()
{
$this->setName('worker:pause')->setDefinition($this->mergeDefinitions(array(new InputArgument('id', InputArgument::OPTIONAL, 'The id of the worker to pause (optional; if not present pauses all workers).'))))->setDescription('Pause a running worker. If no worker id set then pauses all workers')->setHelp('Pause a running worker. If no worker id set then pauses all workers');
}