File Schema/Result/InitializeResult.php

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\Result;
15:
16:	use Nexus\Mcp\Schema\Arrayable;
17:	use Nexus\Mcp\Schema\Implementation;
18:	use Nexus\Mcp\Schema\ProtocolVersion;
19:	use Nexus\Mcp\Schema\ServerCapabilities;
20:
21:	/**
22:	* After receiving an initialize request from the client, the server sends this response.
23:	*
24:	* @extends Result<array{
25:	* _meta?: array<string, mixed>,
26:	* capabilities: template-type<ServerCapabilities, Arrayable, 'T'>,
27:	* instructions?: string,
28:	* protocolVersion: string,
29:	* serverInfo: template-type<Implementation, Arrayable, 'T'>,
30:	* }>
31:	*/
32:	final readonly class InitializeResult extends Result implements ServerResult
33:	{
34:	/**
35:	* @param null\|non-empty-string $instructions Instructions describing how to use the server and its features.
36:	*/
37:	public function __construct(
38:	public ProtocolVersion $protocolVersion,
39:	public ServerCapabilities $capabilities,
40:	public Implementation $serverInfo,
41:	public ?string $instructions = null,
42:	?array $meta = null,
43:	) {
44:	parent::__construct($meta);
45:	}
46:
47:	#[\Override]
48:	public function toArray(): array
49:	{
50:	return array_filter([
51:	'_meta' => $this->meta,
52:	'capabilities' => $this->capabilities->toArray(),
53:	'instructions' => $this->instructions,
54:	'protocolVersion' => $this->protocolVersion->__toString(),
55:	'serverInfo' => $this->serverInfo->toArray(),
56:	], static fn(mixed $value): bool => null !== $value);
57:	}
58:	}
59:

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