import { EncryptionOptions, EncryptionResult, DecryptionOptions, CryptoConfig } from './types';
/**
 * Main encryption/decryption class
 */
export declare class EncryptionManager {
    private config;
    private defaultOptions;
    constructor(config?: CryptoConfig);
    /**
     * Encrypt a string using AES encryption
     */
    encrypt(plaintext: string, password?: string, options?: EncryptionOptions): EncryptionResult;
    /**
     * Decrypt a string using AES decryption
     */
    decrypt(encryptedData: string | EncryptionResult, password?: string, options?: DecryptionOptions): string;
    /**
     * Encrypt data with a simple API (uses default key)
     */
    encryptSimple(plaintext: string): string;
    /**
     * Decrypt data with a simple API (uses default key)
     */
    decryptSimple(encryptedString: string): string;
    /**
     * Set or update the secret key
     */
    setSecretKey(key: string): void;
    /**
     * Update configuration
     */
    updateConfig(newConfig: Partial<CryptoConfig>): void;
}