import NodeCache from 'node-cache';
export declare function getCacheInstance(options?: NodeCache.Options): {
    get: <T>(key: NodeCache.Key) => T | undefined;
    set: {
        <T>(key: NodeCache.Key, value: T, ttl: number | string): boolean;
        <T>(key: NodeCache.Key, value: T): boolean;
    };
    delete: (keys: NodeCache.Key | NodeCache.Key[]) => number;
    clear: () => void;
};