import { Adapter } from "../Adapter";
export declare class Filesystem implements Adapter {
    protected path: string;
    constructor(path: string);
    load(key: string, ttl: number, hash?: string): Promise<any>;
    save(key: string, data: any, hash?: string): Promise<boolean | string | any[]>;
    list(key: string): Promise<string[]>;
    purge(key: string, hash?: string): Promise<boolean>;
    flush(): Promise<boolean>;
    ping(): Promise<boolean>;
    getSize(): Promise<number>;
    private getDirectorySize;
    getPath(filename: string): string;
    protected deleteDirectory(dirPath: string): boolean;
    delWithStart(pattern: string): Promise<number>;
}