import { RedisService } from './redis.service';
export interface LockOptions {
    ttl?: number;
    retryDelay?: number;
    maxRetries?: number;
    timeout?: number;
    fallback?: (attempt: number) => Promise<unknown>;
}
export declare class DistributedLockService {
    private readonly redisService;
    private readonly logger;
    private readonly LOCK_PREFIX;
    constructor(redisService: RedisService);
    acquireLock(resource: string, options?: LockOptions): Promise<{
        success: boolean;
        identifier?: string;
    }>;
    releaseLock(resource: string, identifier: string): Promise<boolean>;
    renewLock(resource: string, identifier: string, ttl: number): Promise<boolean>;
    withLock<T>(resource: string, task: () => Promise<T>, options?: LockOptions): Promise<T>;
    private delay;
}