protected function normalizeValidationRuleSourceDataFromConfig(array $rules)
    {
        // Remove entries to be ignored and excluded
        $filteredRules = array_filter($rules, function ($rule, $key) {

            return  false !== $rule
                &&  ! empty($rule)
                &&  ! (is_string($rule) && is_numeric($key));

        }, ARRAY_FILTER_USE_BOTH);

        return $this->normalizeValidationRuleSourceData($filteredRules);
    }