import { OpenAIMessage, OpenAIResponse } from '../typing/openai';
export declare class OpenAIAPI {
    private httpClient;
    /**
     * Initializes the OpenAIAPI client.
     * @param apiKey Your OpenAI API key.
     * @param baseUrl The base URL for the OpenAI API. Defaults to the official endpoint.
     */
    constructor(apiKey: string, baseUrl?: string);
    /**
     * Generates a chat completion response from the OpenAI model.
     * @param {object} params The parameters for the chat completion.
     * @param {OpenAIMessage[]} params.messages The history of the conversation.
     * @param {string} [params.model] The model to use (e.g., 'gpt-3.5-turbo').
     * @param {number} [params.temperature] The sampling temperature.
     * @returns A promise that resolves with the model's response.
     * @throws {HttpError} If the API returns an error.
     */
    chatCompletion({ messages, model, temperature }: {
        messages: OpenAIMessage[];
        model?: string;
        temperature?: number;
    }): Promise<OpenAIResponse>;
}