Type Alias MetaEventData<TEventData>

type MetaEventData<TEventData extends EventData> = {
    listenerAdded: {
        eventName?: keyof TEventData;
        listener:
            | EventListener<TEventData[keyof TEventData]>
            | EventAnyListener<TEventData[keyof TEventData]>;
    };
    listenerRemoved: {
        eventName?: keyof TEventData;
        listener: | EventListener<TEventData[keyof TEventData]>
        | EventAnyListener<TEventData[keyof TEventData]>;
    };
}