/****
 * Redis Memory Backend
 *
 * Distributed memory implementation using Redis for multi-process deployments.
 * Enables conversation persistence across server restarts and horizontal scaling.
 */
import { type Memory, type MemoryConfigBase, type MemoryStats, type MinimalMessage } from "./memory-interface.js";
/**
 * Redis client interface (compatible with ioredis and node-redis)
 */
export interface RedisEvalOptions {
    keys: string[];
    arguments: string[];
}
export interface RedisClient {
    get(key: string): Promise<string | null>;
    set(key: string, value: string, options?: {
        EX?: number;
    }): Promise<unknown>;
    del(key: string): Promise<number>;
    expire(key: string, seconds: number): Promise<number>;
    eval?(script: string, options: RedisEvalOptions): Promise<unknown>;
    sendCommand?(args: string[]): Promise<unknown>;
    call?(command: string, ...args: string[]): Promise<unknown>;
}
/**
 * Redis memory configuration
 */
export interface RedisMemoryConfig extends MemoryConfigBase {
    type: "redis";
    /** Redis client instance */
    client: RedisClient;
    /** Key prefix for namespacing */
    keyPrefix?: string;
    /** User ID for per-user memory isolation */
    userId?: string;
    /** TTL in seconds (default: 24 hours) */
    ttl?: number;
}
/** Implement redis memory. */
export declare class RedisMemory<M extends MinimalMessage = MinimalMessage> implements Memory<M> {
    private client;
    private agentId;
    private userId;
    private keyPrefix;
    private ttl;
    private config;
    constructor(agentId: string, config: RedisMemoryConfig);
    private getKey;
    private parseMessages;
    add(message: M): Promise<void>;
    getMessages(): Promise<M[]>;
    clear(): Promise<void>;
    getStats(): Promise<MemoryStats>;
    touch(): Promise<void>;
    private atomicAdd;
}
/** Create redis memory. */
export declare function createRedisMemory<M extends MinimalMessage = MinimalMessage>(agentId: string, config: RedisMemoryConfig): RedisMemory<M>;
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