/**
 * The following code is modified based on
 * https://github.com/nanobrowser/nanobrowser/blob/master/chrome-extension/src/background/agent/prompts/validator.ts
 *
 * Apache-2.0 License
 * Copyright (c) 2024 alexchenzl
 * https://github.com/nanobrowser/nanobrowser/blob/master/LICENSE
 */
import { BasePrompt } from './base';
import { type HumanMessage, SystemMessage } from '@langchain/core/messages';
import type { AgentContext } from '../types';
export declare class ValidatorPrompt extends BasePrompt {
    private tasks;
    constructor(task: string);
    private tasksToValidate;
    getSystemMessage(): SystemMessage;
    /**
     * Get the user message for the validator prompt
     * @param context - The agent context
     * @returns The user message
     */
    getUserMessage(context: AgentContext): Promise<HumanMessage>;
    addFollowUpTask(task: string): void;
}
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