export type CacheController = {
    start: () => Promise<void> | void;
    stop: () => Promise<void> | void;
    isCachedAndStillValid: (token: string) => Promise<boolean> | boolean;
    cacheValidToken: (token: string, expiration: number) => Promise<void> | void;
    cleanValidTokensExpirationCache: () => Promise<void> | void;
};
export declare const createDefaultCacheController: ({ maxCacheSize, maxCacheTime, }: {
    maxCacheSize?: number | undefined;
    maxCacheTime?: number | undefined;
}) => CacheController;