The set of change-notification types a draft client opts into when opening a
subscriptions/listen stream (draft basic/utilities/subscriptions). The three
list-changed booleans request notifications/tools|prompts|resources/list_changed;
resourceSubscriptions lists the resource URIs the client wants
notifications/resources/updated for. This is serialised under
params.notifications (a SubscriptionFilter) by subscriptionsListen.
The set of change-notification types a draft client opts into when opening a subscriptions/listen stream (draft basic/utilities/subscriptions). The three list-changed booleans request notifications/tools|prompts|resources/list_changed; resourceSubscriptions lists the resource URIs the client wants notifications/resources/updated for. This is serialised under params.notifications (a SubscriptionFilter) by subscriptionsListen.