import { RedisClientOptions, RedisClientType, RedisModules, RedisFunctions, RedisScripts } from "redis";
import { BaseListChatMessageHistory } from "@langchain/core/chat_history";
import { BaseMessage } from "@langchain/core/messages";
/**
 * @deprecated Install and import from the "@langchain/redis" integration package instead.
 * Type for the input to the `RedisChatMessageHistory` constructor.
 */
export type RedisChatMessageHistoryInput = {
    sessionId: string;
    sessionTTL?: number;
    config?: RedisClientOptions;
    client?: any;
};
/**
 * @deprecated Install and import from the "@langchain/redis" integration package instead.
 * Class for storing chat message history using Redis. Extends the
 * `BaseListChatMessageHistory` class.
 * @example
 * ```typescript
 * const chatHistory = new RedisChatMessageHistory({
 *   sessionId: new Date().toISOString(),
 *   sessionTTL: 300,
 *   url: "redis:
 * });
 *
 * const chain = new ConversationChain({
 *   llm: new ChatOpenAI({ model: "gpt-3.5-turbo", temperature: 0 }),
 *   memory: { chatHistory },
 * });
 *
 * const response = await chain.invoke({
 *   input: "What did I just say my name was?",
 * });
 * console.log({ response });
 * ```
 */
export declare class RedisChatMessageHistory extends BaseListChatMessageHistory {
    lc_namespace: string[];
    get lc_secrets(): {
        "config.url": string;
        "config.username": string;
        "config.password": string;
    };
    client: RedisClientType<RedisModules, RedisFunctions, RedisScripts>;
    private sessionId;
    private sessionTTL?;
    constructor(fields: RedisChatMessageHistoryInput);
    /**
     * Ensures the Redis client is ready to perform operations. If the client
     * is not ready, it attempts to connect to the Redis database.
     * @returns Promise resolving to true when the client is ready.
     */
    ensureReadiness(): Promise<boolean>;
    /**
     * Retrieves all chat messages from the Redis database for the current
     * session.
     * @returns Promise resolving to an array of `BaseMessage` instances.
     */
    getMessages(): Promise<BaseMessage[]>;
    /**
     * Adds a new chat message to the Redis database for the current session.
     * @param message The `BaseMessage` instance to add.
     * @returns Promise resolving when the message has been added.
     */
    addMessage(message: BaseMessage): Promise<void>;
    /**
     * Deletes all chat messages from the Redis database for the current
     * session.
     * @returns Promise resolving when the messages have been deleted.
     */
    clear(): Promise<void>;
}
