import { AccountLockoutStorage, StorageAdapter } from '../interfaces/storage-adapter.interface';
/**
 * Account lockout storage implementation using StorageAdapter (Platform-Agnostic)
 *
 * SECURITY: Uses IP addresses instead of user identifiers to prevent
 * attackers from locking out legitimate users by guessing their email/username.
 */
export declare class AccountLockoutStorageService implements AccountLockoutStorage {
    private readonly storageAdapter;
    private readonly keyPrefix;
    private readonly lockKeyPrefix;
    constructor(storageAdapter: StorageAdapter);
    /**
     * Record failed login attempt for an IP address
     * @param ipAddress - IP address that made the failed attempt
     * @param ttlSeconds - Optional TTL (seconds) for the attempt counter window
     * @returns Number of failed attempts for this IP
     */
    recordFailedAttempt(ipAddress: string, ttlSeconds?: number): Promise<number>;
    /**
     * Get failed attempts count for an IP address
     * @param ipAddress - IP address to check
     * @returns Number of failed attempts
     */
    getFailedAttempts(ipAddress: string): Promise<number>;
    /**
     * Check if an IP address is locked out
     * @param ipAddress - IP address to check
     * @returns True if IP is locked out
     */
    isAccountLocked(ipAddress: string): Promise<boolean>;
    /**
     * Lock an IP address for a specified duration
     * @param ipAddress - IP address to lock
     * @param duration - Lock duration in seconds
     * @param reason - Reason for lockout
     */
    lockIpAddress(ipAddress: string, duration: number, reason: string): Promise<void>;
    /**
     * Unlock an IP address and reset failed attempts
     * @param ipAddress - IP address to unlock
     */
    unlockIpAddress(ipAddress: string): Promise<void>;
    /**
     * Reset failed attempts counter for an IP address
     * @param ipAddress - IP address to reset
     */
    resetFailedAttempts(ipAddress: string): Promise<void>;
    private getKey;
    private getLockKey;
}
//# sourceMappingURL=account-lockout-storage.service.d.ts.map