import { z } from "zod";
import { LLM, LLMResponse } from "./base";
import { LLMConfig, Message } from "../types";
/**
 * OpenAI LLM implementation with structured output support.
 * This is the default implementation for the "openai" provider.
 */
export declare class OpenAIStructuredLLM implements LLM {
    private openai;
    private model;
    constructor(config: LLMConfig);
    generateResponse(messages: Message[], responseFormat?: {
        type: string;
    } | null, tools?: any[], zodSchema?: z.ZodType<any>): Promise<string | LLMResponse>;
    private generatePlainResponse;
    generateChat(messages: Message[]): Promise<LLMResponse>;
}