import { ICache } from "../types";
import LRU from "lru-cache";
export type LruCacheOptions = {
    size?: number;
    ttl?: number;
};
export declare class LruCache implements ICache {
    constructor(options: LruCacheOptions);
    readonly provider: InstanceType<typeof LRU<string, any>>;
    keys(): Generator<string, any, unknown>;
    has(key: string): boolean;
    get<T extends any = any>(key: string): T | undefined;
    set<T extends any = any>(key: string, value: T): void;
    delete(key: string): void;
    clear(): void;
}