logger.Error(err, "metrics are not registered?")
		return -1
	}
	return int(numRulesFloat)
}

// findAllMatches takes an array of lines and a pattern with one parenthesized group, and
// returns a sorted array of all of the unique matches of the parenthesized group.
func findAllMatches(lines []string, pattern string) []string {
	regex := regexp.MustCompile(pattern)
	allMatches := sets.New[string]()