import { OutputParserArgs } from "../agent.js";
import { AgentActionOutputParser } from "../types.js";
export declare const FINAL_ANSWER_ACTION = "Final Answer:";
/**
 * A class that extends `AgentActionOutputParser` to provide a custom
 * implementation for parsing the output of a ZeroShotAgent action.
 */
export declare class ZeroShotAgentOutputParser extends AgentActionOutputParser {
    lc_namespace: string[];
    finishToolName: string;
    constructor(fields?: OutputParserArgs);
    /**
     * Parses the text output of an agent action, extracting the tool, tool
     * input, and output.
     * @param text The text output of an agent action.
     * @returns An object containing the tool, tool input, and output extracted from the text, along with the original text as a log.
     */
    parse(text: string): Promise<{
        returnValues: {
            output: string;
        };
        log: string;
        tool?: undefined;
        toolInput?: undefined;
    } | {
        tool: string;
        toolInput: string;
        log: string;
        returnValues?: undefined;
    }>;
    /**
     * Returns the format instructions for parsing the output of an agent
     * action in the style of the ZeroShotAgent.
     * @returns The format instructions for parsing the output.
     */
    getFormatInstructions(): string;
}