import { WebCryptoStrategy, EncryptionResult, DecryptionParams } from '../encryption-strategy.interface';
/**
 * AES-256-GCM Encryption Strategy
 *
 * Authenticated Encryption with Associated Data (AEAD)
 * - Provides both confidentiality and authenticity
 * - Recommended for most use cases
 * - Built into Web Crypto API
 */
export declare class AesGcmStrategy extends WebCryptoStrategy {
    readonly algorithmName = "AES-256-GCM";
    getIvSize(): number;
    encrypt(data: ArrayBuffer, password: string, salt: string, ivHex: string): Promise<EncryptionResult>;
    decrypt(params: DecryptionParams): Promise<Blob>;
}
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