/**
* {@inheritdoc}
*/
public function benchmarkStart(BenchmarkMetadata $benchmark)
{
static $first = true;
if (false === $first) {
$this->output->write(PHP_EOL);
}
$first = false;
$this->output->writeln(sprintf('<comment>%s</comment>', $benchmark->getClass()));
$this->output->write(PHP_EOL);
}