UnsupportedException example

if (\JSON_ERROR_NONE === json_last_error()) {
            return $decodedData;
        }
        $errorMessage = json_last_error_msg();

        if (!($context[self::DETAILED_ERROR_MESSAGES] ?? $this->defaultContext[self::DETAILED_ERROR_MESSAGES])) {
            throw new NotEncodableValueException($errorMessage);
        }

        if (!class_exists(JsonParser::class)) {
            throw new UnsupportedException(sprintf('Enabling "%s" serializer option requires seld/jsonlint. Try running "composer require seld/jsonlint".', self::DETAILED_ERROR_MESSAGES));
        }

        throw new NotEncodableValueException((new JsonParser())->lint($data)?->getMessage() ?: $errorMessage);
    }

    public function supportsDecoding(string $format): bool
    {
        return JsonEncoder::FORMAT === $format;
    }
}