Class Nexus\Mcp\Core\Schema\RequestMetaObject

`final`
`readonly`
`implements`	`Arrayable<array{io.modelcontextprotocol/protocolVersion: non-empty-string, io.modelcontextprotocol/clientInfo: template-type<Implementation, Arrayable, 'T'>, io.modelcontextprotocol/clientCapabilities: template-type<ClientCapabilities, Arrayable, 'T'>, io.modelcontextprotocol/logLevel?: value-of<LoggingLevel>, progressToken?: (int\|non-empty-string), ...}>`

Extends MetaObject with additional request-specific fields. All key naming rules from MetaObject apply.

Located at Core/Schema/RequestMetaObject.php

Methods
`public`	`__construct( ProtocolVersion $protocolVersion, Implementation $clientInfo, ClientCapabilities $clientCapabilities, ?LoggingLevel $logLevel = null, ?ProgressToken $progressToken = null, array<string, mixed> $extras = [], )`	#
`public static`	`fromArray(array $data): static` Create an instance of the class from an array. Create an instance of the class from an array. Implements `Nexus\Mcp\Core\Schema\Arrayable::fromArray()`	#
`public`	`toArray(): array` Convert the instance to an array. Convert the instance to an array. Implements `Nexus\Mcp\Core\Schema\Arrayable::toArray()`	#
`public`	`jsonSerialize(): array` Implementations substitute `\stdClass` for the empty-object case so `json_encode` emits `{}` rather than `[]`. Implementations substitute `\stdClass` for the empty-object case so `json_encode` emits `{}` rather than `[]`. Implements `Nexus\Mcp\Core\Schema\Arrayable::jsonSerialize()`	#

Constants
`public`	`string`	`PROTOCOL_VERSION_KEY = 'io.modelcontextprotocol/protocolVersion'`	#
`public`	`string`	`CLIENT_INFO_KEY = 'io.modelcontextprotocol/clientInfo'`	#
`public`	`string`	`CLIENT_CAPABILITIES_KEY = 'io.modelcontextprotocol/clientCapabilities'`	#
`public`	`string`	`LOG_LEVEL_KEY = 'io.modelcontextprotocol/logLevel'`	#

Properties
`public`	`ProtocolVersion`	`$protocolVersion`	#
`public`	`Implementation`	`$clientInfo`	#
`public`	`ClientCapabilities`	`$clientCapabilities`	#
`public`	`?LoggingLevel`	`$logLevel`	#
`public`	`?ProgressToken`	`$progressToken`	#
`public`	`array<string, mixed>`	`$extras`	#