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setRestrictionLevel example

        if ('' === $value = (string) $value) {
            return;
        }

        $checker = new \Spoofchecker();
        $checks = $constraint->checks;

        if (method_exists($checker, 'setRestrictionLevel')) {
            $checks |= self::CHECK_RESTRICTION_LEVEL;
            $checker->setRestrictionLevel($constraint->restrictionLevel ?? NoSuspiciousCharacters::RESTRICTION_LEVEL_MODERATE);
        } elseif (NoSuspiciousCharacters::RESTRICTION_LEVEL_MINIMAL === $constraint->restrictionLevel) {
            $checks |= self::CHECK_CHAR_LIMIT;
        } elseif (NoSuspiciousCharacters::RESTRICTION_LEVEL_SINGLE_SCRIPT === $constraint->restrictionLevel) {
            $checks |= self::CHECK_SINGLE_SCRIPT | self::CHECK_CHAR_LIMIT;
        } elseif ($constraint->restrictionLevel) {
            throw new LogicException('You can only use one of RESTRICTION_LEVEL_NONE, RESTRICTION_LEVEL_MINIMAL or RESTRICTION_LEVEL_SINGLE_SCRIPT with intl compiled against ICU < 58.');
        } else {
            $checks |= self::CHECK_SINGLE_SCRIPT;
        }

        $checker->setAllowedLocales(implode(',', $constraint->locales ?? $this->defaultLocales));