protected function writeWarmingMessage($type, $types)
{
$output = sprintf('Warming <comment>%s</comment> cache', $type);
if (null !== $types && count($types) > 0) {
$output .= sprintf(' for types %s', $this->humanList($types, 'and', '<info>%s</info>'));
} else {
$output .= sprintf(' for <info>all</info> types');
}
$output .= '...';
$this->output->writeln($output);
}