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\MetaObject;
15:
16: use Nexus\Mcp\Core\Schema\MetaObject;
17:
18: /**
19: * The `_meta` of a payload nested inside an envelope rather than of the envelope
20: * itself, such as a tool, a resource, a prompt, or a content block. It reserves no
21: * keys of its own, so every entry is an extra.
22: *
23: * @extends MetaObject<array<string, mixed>>
24: */
25: final readonly class PayloadMetaObject extends MetaObject
26: {
27: #[\Override]
28: public static function fromArray(array $data): static
29: {
30: return new self(extras: $data);
31: }
32:
33: #[\Override]
34: public function toArray(): array
35: {
36: return $this->extras;
37: }
38: }
39: