1: <?php
2:
3: declare(strict_types=1);
4:
5: /**
6: * This file is part of the Nexus MCP SDK package.
7: *
8: * (c) 2025 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\Schema\Message;
15:
16: use Nexus\Mcp\Schema\Arrayable;
17:
18: /**
19: * Interface marker that refers to any valid JSON-RPC object that can be decoded off the wire, or encoded to be sent.
20: *
21: * @template TArray of array<string, mixed>
22: * @template TJson of array<string, mixed>
23: *
24: * @extends Arrayable<TArray>
25: */
26: interface JsonRpcMessage extends \JsonSerializable, Arrayable
27: {
28: public const string JSON_RPC_VERSION = '2.0';
29:
30: /**
31: * @return TJson
32: */
33: #[\Override]
34: public function jsonSerialize(): array;
35: }
36: