export { K as KeychainStorageAdapter, a as KeystoreStorageAdapter, M as MemoryStorageAdapter, S as SecureStorageAdapter, W as WebEncryptedStorageAdapter, c as createSecureStorage } from '../SecureStorage-jO783AhC.js';

/**
 * Backup metadata
 */
interface BackupMetadata {
    version: number;
    createdAt: string;
    checksum: string;
    networks: string[];
}
/**
 * Backup Service
 * Handles encrypted seed backup to S3 and recovery
 */
declare class BackupService {
    private apiUrl;
    private accessToken;
    constructor(apiUrl: string, accessToken: string);
    /**
     * Export encrypted seed to S3
     */
    exportSeedEncrypted(seed: string, password: string, networks?: string[]): Promise<{
        backupId: string;
        checksum: string;
    }>;
    /**
     * Import encrypted seed from S3
     */
    importSeedEncrypted(password: string): Promise<string>;
    /**
     * List all backups
     */
    listBackups(): Promise<BackupMetadata[]>;
    /**
     * Delete a backup
     */
    deleteBackup(backupId: string): Promise<void>;
    /**
     * Verify backup can be decrypted
     */
    verifyBackup(password: string): Promise<boolean>;
    /**
     * Generate SHA-256 checksum
     */
    private generateChecksum;
    /**
     * Extract salt from encrypted data (first 32 hex chars)
     */
    private extractSalt;
    /**
     * Extract IV from encrypted data (chars 32-56)
     */
    private extractIV;
}

export { BackupService };