import type { RedisAdapter } from './redis-adapter';
export declare interface PersistenceConfig {
  enabled?: boolean
  ttl?: number
  maxMessages?: number
  excludeEvents?: string[]
}
export declare interface PersistedMessage {
  id: string
  event: string
  data: unknown
  timestamp: number
  socketId?: string
}
export declare class PersistenceManager {
  constructor(config?: PersistenceConfig, redis?: RedisAdapter);
  store(channel: string, event: string, data: unknown, socketId?: string): Promise<void>;
  getHistory(channel: string, since?: number, limit?: number): Promise<PersistedMessage[]>;
  clear(channel: string): Promise<void>;
  getStats(): Promise<{ totalChannels: number, totalMessages: number, channels: Record<string, number> }>;
}