import { CacheOptions } from "../types";
import { BasicCache } from "./BasicCache";
export declare class DiskCache extends BasicCache {
    readonly rootPath: string;
    readonly pathSegments: number;
    readonly segmentLength: number;
    constructor(rootPath: string, pathSegments?: number, segmentLength?: number);
    private getPath;
    exists(key: string): Promise<boolean>;
    get(key: string): Promise<any>;
    set(key: string, value: any, ttl: number): Promise<void>;
    delete(key: string): Promise<void>;
    deleteAll(): Promise<void>;
    createKey(prefix: CacheOptions["prefix"], key: any): string;
}