export declare function cleanupCache(limit?: number): void;
export declare function getResource<T>(key: string, loader: () => Promise<T>, ttl?: number, forceReload?: boolean): {
    read(): unknown;
    update(newData: unknown): void;
    get(): unknown;
};
export declare function createResource<T>(promise: Promise<T>, existing?: T): {
    read(): T | null;
    update(newData: T): void;
    get(): T | null;
};