Class Nexus\Mcp\Core\Schema\RequestMetaObject

`final`
`readonly`
`implements`	`Arrayable<array<string, mixed>>`

The _meta extension slot carried by request params. Adds a typed progressToken alongside open-ended extras.

Located at Core/Schema/RequestMetaObject.php

Methods
`public`	`__construct(?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\|stdClass` 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()`	#

Properties
`public`	`?ProgressToken`	`$progressToken`	#
`public`	`array<string, mixed>`	`$extras`	#