import type { ResolvedWidgetOptions, WeatherPayload } from "../types";
interface CacheEntry {
    expiresAt: number;
    payload: WeatherPayload;
}
export declare const createCacheKey: (options: ResolvedWidgetOptions, providerKey: string) => string;
export declare const readCache: (key: string) => CacheEntry | null;
export declare const writeCache: (key: string, payload: WeatherPayload, ttlMinutes: number) => void;
export {};