if ($matches = $this->geoMatcher->forceMatch($candidateDriver, $candidatePassenger)) {
            // many matches can be found for 2 candidates : if multiple routes satisfy the criteria
            if (is_array($matches) && count($matches) > 0) {
                switch (self::MULTI_MATCHES_FOR_SAME_CANDIDATES) {
                    case self::MULTI_MATCHES_FOR_SAME_CANDIDATES_FASTEST: