import { Redis as UpstashRedis, type RedisConfigNodejs } from "@upstash/redis";
import { BaseStore } from "@langchain/core/stores";
/**
 * Type definition for the input parameters required to initialize an
 * instance of the UpstashStoreInput class.
 */
export interface UpstashRedisStoreInput {
    sessionTTL?: number;
    config?: RedisConfigNodejs;
    client?: UpstashRedis;
    /**
     * The amount of keys to retrieve per batch when yielding keys.
     * @default 1000
     */
    yieldKeysScanBatchSize?: number;
    /**
     * The namespace to use for the keys in the database.
     */
    namespace?: string;
}
/**
 * Class that extends the BaseStore class to interact with an Upstash Redis
 * database. It provides methods for getting, setting, and deleting data,
 * as well as yielding keys from the database.
 * @example
 * ```typescript
 * const store = new UpstashRedisStore({
 *   client: new Redis({
 *     url: "your-upstash-redis-url",
 *     token: "your-upstash-redis-token",
 *   }),
 * });
 * await store.mset([
 *   ["message:id:0", "encoded-ai-message"],
 *   ["message:id:1", "encoded-human-message"],
 * ]);
 * const retrievedMessages = await store.mget(["message:id:0", "message:id:1"]);
 * const yieldedKeys = [];
 * for await (const key of store.yieldKeys("message:id")) {
 *   yieldedKeys.push(key);
 * }
 * await store.mdelete(yieldedKeys);
 * ```
 */
export declare class UpstashRedisStore extends BaseStore<string, Uint8Array> {
    lc_namespace: string[];
    protected client: UpstashRedis;
    protected namespace?: string;
    protected yieldKeysScanBatchSize: number;
    private sessionTTL?;
    constructor(fields: UpstashRedisStoreInput);
    _getPrefixedKey(key: string): string;
    _getDeprefixedKey(key: string): string;
    /**
     * Gets multiple keys from the Upstash Redis database.
     * @param keys Array of keys to be retrieved.
     * @returns An array of retrieved values.
     */
    mget(keys: string[]): Promise<(Uint8Array | undefined)[]>;
    /**
     * Sets multiple keys in the Upstash Redis database.
     * @param keyValuePairs Array of key-value pairs to be set.
     * @returns Promise that resolves when all keys have been set.
     */
    mset(keyValuePairs: [string, Uint8Array][]): Promise<void>;
    /**
     * Deletes multiple keys from the Upstash Redis database.
     * @param keys Array of keys to be deleted.
     * @returns Promise that resolves when all keys have been deleted.
     */
    mdelete(keys: string[]): Promise<void>;
    /**
     * Yields keys from the Upstash Redis database.
     * @param prefix Optional prefix to filter the keys. A wildcard (*) is always appended to the end.
     * @returns An AsyncGenerator that yields keys from the Upstash Redis database.
     */
    yieldKeys(prefix?: string): AsyncGenerator<string>;
}