Interface Nexus\Mcp\Core\Extension\ExtensionInterface

`<TContext is AbstractContext>`

One MCP extension declaration (SEP-2133).

Nexus\Mcp\Core\Extension\ExtensionInterface
- Nexus\Mcp\Server\Extension\ServerExtensionInterface extends ExtensionInterface<ServerContext>
- Nexus\Mcp\Client\Extension\ClientExtensionInterface extends ExtensionInterface<ClientContext>

Located at Core/Extension/ExtensionInterface.php

Methods
`public`	`getIdentifier(): non-empty-string` The `{vendor-prefix}/{name}` capability identifier, e.g. "io.modelcontextprotocol/tasks". The `{vendor-prefix}/{name}` capability identifier, e.g. "io.modelcontextprotocol/tasks". Implemented by `Nexus\Mcp\Extension\Apps\Server\AppsServerExtension::getIdentifier()` `Nexus\Mcp\Extension\Apps\Client\AppsClientExtension::getIdentifier()` `Nexus\Mcp\Extension\Tasks\Client\TasksClientExtension::getIdentifier()` `Nexus\Mcp\Extension\Auth\ClientCredentials\ClientCredentialsServerExtension::getIdentifier()` `Nexus\Mcp\Extension\Auth\Enterprise\EnterpriseAuthorizationClientExtension::getIdentifier()` `Nexus\Mcp\Extension\Auth\Enterprise\EnterpriseAuthorizationServerExtension::getIdentifier()` `Nexus\Mcp\Extension\Tasks\Server\TasksServerExtension::getIdentifier()` `Nexus\Mcp\Extension\Auth\ClientCredentials\ClientCredentialsClientExtension::getIdentifier()`	#
`public`	`getSettings(): array<string, mixed>` Settings advertised under `capabilities.extensions[identifier]`, empty meaning supported with none. Settings advertised under `capabilities.extensions[identifier]`, empty meaning supported with none. Implemented by `Nexus\Mcp\Extension\Apps\Server\AppsServerExtension::getSettings()` `Nexus\Mcp\Extension\Apps\Client\AppsClientExtension::getSettings()` `Nexus\Mcp\Extension\Tasks\Client\TasksClientExtension::getSettings()` `Nexus\Mcp\Extension\Auth\ClientCredentials\ClientCredentialsServerExtension::getSettings()` `Nexus\Mcp\Extension\Auth\Enterprise\EnterpriseAuthorizationClientExtension::getSettings()` `Nexus\Mcp\Extension\Auth\Enterprise\EnterpriseAuthorizationServerExtension::getSettings()` `Nexus\Mcp\Extension\Tasks\Server\TasksServerExtension::getSettings()` `Nexus\Mcp\Extension\Auth\ClientCredentials\ClientCredentialsClientExtension::getSettings()`	#
`public`	`getRequests(): list<class-string<JsonRpcRequest<non-empty-string>>>` Implemented by `Nexus\Mcp\Extension\Apps\Server\AppsServerExtension::getRequests()` `Nexus\Mcp\Extension\Apps\Client\AppsClientExtension::getRequests()` `Nexus\Mcp\Extension\Tasks\Client\TasksClientExtension::getRequests()` `Nexus\Mcp\Extension\Auth\ClientCredentials\ClientCredentialsServerExtension::getRequests()` `Nexus\Mcp\Extension\Auth\Enterprise\EnterpriseAuthorizationClientExtension::getRequests()` `Nexus\Mcp\Extension\Auth\Enterprise\EnterpriseAuthorizationServerExtension::getRequests()` `Nexus\Mcp\Extension\Tasks\Server\TasksServerExtension::getRequests()` `Nexus\Mcp\Extension\Auth\ClientCredentials\ClientCredentialsClientExtension::getRequests()`	#
`public`	`getNotifications(): list<class-string<JsonRpcNotification<non-empty-string>>>` Implemented by `Nexus\Mcp\Extension\Apps\Server\AppsServerExtension::getNotifications()` `Nexus\Mcp\Extension\Apps\Client\AppsClientExtension::getNotifications()` `Nexus\Mcp\Extension\Tasks\Client\TasksClientExtension::getNotifications()` `Nexus\Mcp\Extension\Auth\ClientCredentials\ClientCredentialsServerExtension::getNotifications()` `Nexus\Mcp\Extension\Auth\Enterprise\EnterpriseAuthorizationClientExtension::getNotifications()` `Nexus\Mcp\Extension\Auth\Enterprise\EnterpriseAuthorizationServerExtension::getNotifications()` `Nexus\Mcp\Extension\Tasks\Server\TasksServerExtension::getNotifications()` `Nexus\Mcp\Extension\Auth\ClientCredentials\ClientCredentialsClientExtension::getNotifications()`	#
`public`	`getRequestHandlers(): array<non-empty-string, RequestHandlerInterface<non-empty-string, Result, TContext>>` Handlers for `getRequests()`, keyed by the method each class declares. Handlers for `getRequests()`, keyed by the method each class declares. Implemented by `Nexus\Mcp\Extension\Apps\Server\AppsServerExtension::getRequestHandlers()` `Nexus\Mcp\Extension\Apps\Client\AppsClientExtension::getRequestHandlers()` `Nexus\Mcp\Extension\Tasks\Client\TasksClientExtension::getRequestHandlers()` `Nexus\Mcp\Extension\Auth\ClientCredentials\ClientCredentialsServerExtension::getRequestHandlers()` `Nexus\Mcp\Extension\Auth\Enterprise\EnterpriseAuthorizationClientExtension::getRequestHandlers()` `Nexus\Mcp\Extension\Auth\Enterprise\EnterpriseAuthorizationServerExtension::getRequestHandlers()` `Nexus\Mcp\Extension\Tasks\Server\TasksServerExtension::getRequestHandlers()` `Nexus\Mcp\Extension\Auth\ClientCredentials\ClientCredentialsClientExtension::getRequestHandlers()`	#
`public`	`getNotificationHandlers(): array<non-empty-string, NotificationHandlerInterface<non-empty-string>>` Handlers for `getNotifications()`, keyed by the method each class declares. Handlers for `getNotifications()`, keyed by the method each class declares. Implemented by `Nexus\Mcp\Extension\Apps\Server\AppsServerExtension::getNotificationHandlers()` `Nexus\Mcp\Extension\Apps\Client\AppsClientExtension::getNotificationHandlers()` `Nexus\Mcp\Extension\Tasks\Client\TasksClientExtension::getNotificationHandlers()` `Nexus\Mcp\Extension\Auth\ClientCredentials\ClientCredentialsServerExtension::getNotificationHandlers()` `Nexus\Mcp\Extension\Auth\Enterprise\EnterpriseAuthorizationClientExtension::getNotificationHandlers()` `Nexus\Mcp\Extension\Auth\Enterprise\EnterpriseAuthorizationServerExtension::getNotificationHandlers()` `Nexus\Mcp\Extension\Tasks\Server\TasksServerExtension::getNotificationHandlers()` `Nexus\Mcp\Extension\Auth\ClientCredentials\ClientCredentialsClientExtension::getNotificationHandlers()`	#