protected function execute(InputInterface $input, OutputInterface $output)
{
$this->output = $output;
$method = $this->method;
$this->setHelperSet($this->getApplication()->getHelperSet());
if ($this->argument != null) {
$argument = $input->getArgument($this->argument);
$this->{$method}($argument);
return;
}
$this->{$method}($input, $output);
}