export type ArkmeCalendarInvalidationHint = {
    dateKey: string;
    dateStamp?: never;
} | {
    dateStamp: number;
    dateKey?: never;
};
type Listener = () => void;
export interface CalendarInvalidation {
    dates?: string[];
    hard: boolean;
}
/** Browser-local owner for coalesced, date-scoped Calendar invalidation hints. */
export declare class ArkmeCalendarInvalidationStore {
    private readonly observers;
    private hard;
    subscribe(listener: (event: CalendarInvalidation) => void): () => void;
    private readonly dateListeners;
    private readonly monthListeners;
    private readonly pendingDateKeys;
    private pendingAllDates;
    private flushScheduled;
    subscribeDate(dateKey: string, listener: Listener): () => void;
    subscribeMonth(monthKey: string, listener: Listener): () => void;
    publish(hint: ArkmeCalendarInvalidationHint): void;
    publishAll(options?: {
        hard?: boolean;
    }): void;
    listenerCount(): number;
    private scheduleFlush;
    private flush;
}
export declare const arkmeCalendarInvalidations: ArkmeCalendarInvalidationStore;
export {};
//# sourceMappingURL=calendar-invalidation-store.d.ts.map