OptionalparamsOptional_meta?: { progressToken?: ProgressToken; [key: string]: unknown }See General fields: _meta for notes on _meta usage.
OptionalprogressToken?: ProgressTokenIf specified, the caller is requesting out-of-band progress notifications for this request (as represented by notifications/progress). The value of this parameter is an opaque token that will be attached to any subsequent notifications. The receiver is not obligated to provide these notifications.
A ping, issued by either the server or the client, to check that the other party is still alive. The receiver must promptly respond, or else may be disconnected.