import { ApiClient } from "..";
import { Usage } from ".";
type ChatRole = "user" | "system" | "assistant";
type ChatMessage = {
    role: ChatRole;
    content: string;
};
type ChatRequest = {
    model: string;
    messages: ChatMessage[];
    temperature?: number;
    top_p?: number;
    n?: number;
    stream?: boolean;
    stop?: string[];
    max_tokens?: number;
    presence_penalty?: number;
    frequency_penalty?: number;
    logit_bias?: {
        [key: string]: number;
    };
    user?: string;
};
type Choice = {
    index: number;
    message: ChatMessage;
    finish_reason: string;
};
type Chat = {
    id: string;
    object: "chat.completion";
    created: number;
    choices: Choice[];
    usage: Usage;
};
export declare function createChat(client: ApiClient): (data: ChatRequest) => Promise<Chat>;
export {};