import * as crypto from 'node:crypto';
export declare class CryptoWrapper {
    private readonly encryptionKey?;
    static cryptoAlgo: "aes-256-gcm";
    static cryptoVersion: number;
    constructor(encryptionKey?: crypto.KeyObject | undefined);
    encrypt(value: Buffer): Promise<{
        value: Buffer;
        version: number;
    }>;
    decrypt(value: Buffer, version: number): Promise<{
        value: Buffer;
        needsReEncrypt: boolean;
    }>;
}
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