type EventNameType = keyof DocumentEventMap | keyof WindowEventMap; type EventHandlerType = (evt: any) => void; type EventOptionsType = boolean | AddEventListenerOptions | undefined; export type EventStoreType = { add: (node: EventTarget, type: EventNameType, handler: EventHandlerType, options?: EventOptionsType) => EventStoreType; clear: () => void; }; export declare function EventStore(): EventStoreType; export {};