import type { ChatProvider } from "@xsai-ext/shared-providers";
import { Context } from "koishi";
import type { GenerateTextResult, Message, ToolResult } from "xsai";
import { Model, ModelSetting } from "./config";
interface RequestOptions {
    debug?: boolean;
    logger?: Context["logger"];
    abortSignal?: AbortSignal;
}
export declare class ChatModel {
    private chatProvider;
    private model;
    private modelSetting;
    private fetch;
    private ability;
    private customParameters;
    constructor(chatProvider: ChatProvider, model: Model, modelSetting: ModelSetting, fetch: typeof globalThis.fetch);
    get metadata(): {
        provider: ChatProvider<string>;
        model: Model;
    };
    chat(messages: Message[], tools?: ToolResult[], option?: RequestOptions): Promise<GenerateTextResult>;
}
export {};