import type { Message } from '#src/modules/types.js';
import { GthConfig } from '#src/config.js';
import { BaseCheckpointSaver } from '@langchain/langgraph';
import { GthAgentInterface, GthCommand } from '#src/core/types.js';
import { StatusUpdateCallback } from '#src/core/GthLangChainAgent.js';
/**
 * Agent simplifies interaction with LLM and reduces it to calling a few methods
 * {@link GthAgentRunner#init} and {@link GthAgentRunner#processMessages}.
 */
export declare class GthAgentRunner {
    private statusUpdate;
    private agent;
    private config;
    private runConfig;
    constructor(statusUpdate: StatusUpdateCallback);
    /**
     * Init is split into a separate method. This may create a number of connections,
     * and we'd better have an instance by that moment, for the case things will go wrong,
     * so we can wrap init into try-catch and then call {@link #cleanup} within finally.
     */
    init(command: GthCommand | undefined, configIn: GthConfig, checkpointSaver?: BaseCheckpointSaver | undefined): Promise<void>;
    /**
     * processMessages deals with both streaming and non-streaming approaches.
     */
    processMessages(messages: Message[]): Promise<string>;
    getAgent(): GthAgentInterface | null;
    cleanup(): Promise<void>;
}