/**
 * Sets a new cache expiry duration, in ms.
 * Setting this to a value <= 0 will disable the caching logic altogether
 * and not store cache entries at all
 * @param value Duration in ms
 */
export declare function setCacheExpiryDuration(value: number): void;
/**
 * Returns the current cache expiry duration in ms
 */
export declare function getCacheExpiryDuration(): number;
export declare function getCache(): Promise<Cache>;
export declare function _resetCache(): void;
export declare function storeCacheEntry(object: unknown, ...keys: string[]): Promise<void>;
export declare function hasValidCacheEntry(...keys: string[]): Promise<boolean>;
export declare function readCacheEntry(...keys: string[]): Promise<any>;
/**
 * This will skip a long/expensive task and use a cached value if available,
 * otherwise the task will be run normally
 * Note: outside of a browser's main thread, caching will never happen!
 * @param factory A function encapsulating
 * the long/expensive task; non-serializable properties of the returned object
 * will be set to null
 * @param keys Keys will be concatenated for storage
 * @return Resolves to either a cached object or a fresh one
 */
export declare function useCache<T>(factory: () => T | Promise<T>, ...keys: string[]): Promise<T>;
/**
 * Removes all expired entries from the cache
 */
export declare function purgeOutdatedEntries(): Promise<void>;
/**
 * Remove all cache entries; will not prevent the creation of new ones
 */
export declare function clearCache(): Promise<void>;
//# sourceMappingURL=cache.d.ts.map