import { Model } from "../models/base";
import { Message } from "../core/types";
import { BaseTool } from "../tools/base";
export declare class Agent {
    private model;
    private tools;
    private history;
    constructor({ model, tools, systemPrompt, messages }: {
        model: Model;
        tools: BaseTool[];
        systemPrompt: string;
        messages?: Message[];
    });
    chat(input: string): Promise<string>;
}