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: /**
17: * Marker for a content block that can be embedded in a prompt message or tool
18: * call result. Each variant carries its own `type` discriminator.
19: *
20: * @see https://modelcontextprotocol.io/specification/2025-11-25/schema#contentblock
21: */
22: interface ContentBlock
23: {
24: }
25: