/**
* Increment a metric
*
* @param string|array $metrics
* @param int $delta Value to decrement the metric by
* @param int $sampleRate Sample rate of metric
* @return $this
*/
public function increment($metrics, $delta = 1, $sampleRate = 1)
{
$this->client->increment($metrics, $delta, $sampleRate);
return $this;
}
