| 1: | <?php |
| 2: | |
| 3: | declare(strict_types=1); |
| 4: | |
| 5: | /** |
| 6: | * This file is part of the Nexus MCP SDK package. |
| 7: | * |
| 8: | * (c) 2026 John Paul E. Balandan, CPA <paulbalandan@gmail.com> |
| 9: | * |
| 10: | * For the full copyright and license information, please view |
| 11: | * the LICENSE file that was distributed with this source code. |
| 12: | */ |
| 13: | |
| 14: | namespace Nexus\Mcp\Core\Schema; |
| 15: | |
| 16: | use Nexus\Assert\Assert; |
| 17: | |
| 18: | /** |
| 19: | * A progress token, used to associate progress notifications with the original request. |
| 20: | * |
| 21: | * @see https://modelcontextprotocol.io/specification/2025-11-25/schema#progresstoken |
| 22: | */ |
| 23: | final readonly class ProgressToken |
| 24: | { |
| 25: | /** |
| 26: | * @var int|non-empty-string |
| 27: | */ |
| 28: | public int|string $token; |
| 29: | |
| 30: | public function __construct(int|string $token) |
| 31: | { |
| 32: | if (\is_string($token)) { |
| 33: | Assert::that($token)->isNonEmptyString('"progressToken" must be a non-empty string.'); |
| 34: | } |
| 35: | |
| 36: | $this->token = $token; |
| 37: | } |
| 38: | } |
| 39: |