import {Stream} from "stream";

export interface Response {
    text: string | null;
    other: any;
}

export interface ResponseStream {
    text: Stream;
    other: any;
}

export interface Request {
    prompt: string;
    history?: HistoryItem[];
    options?: any;
}

export interface HistoryItem {
    question?: string;
    answer?: string;
}


export abstract class Chat {
    public abstract ask(req: Request): Promise<Response>
    public abstract askStream(req: Request): Promise<ResponseStream>
}