import { EncryptedData } from 'src/Types';
export declare class CryptoUtils {
    private static generateKey;
    private static exportKey;
    private static importKey;
    static encrypt(data: string, key?: string): Promise<EncryptedData>;
    static decrypt(encryptedData: EncryptedData): Promise<string>;
    static hash(data: string): Promise<string>;
    static generateRandomId(length?: number): string;
}