import { FileAdapter } from "./FileAdapter";
import { CipherKey } from 'crypto';
interface CipheredData {
    iv: string;
    tag: string;
    data: string;
}
export declare class CipheredFileAdapter extends FileAdapter {
    private key;
    constructor(key: CipherKey, filename: string, fsync: boolean);
    decrypt(data: CipheredData): string;
    readAsync(): Promise<string | null>;
    encrypt(data: string): {
        iv: string;
        tag: string;
        data: string;
    };
    writeAsync(data: string): Promise<void>;
}
export {};