import { Context, Service } from 'koishi';
import { Config } from '..';
import { PresetTemplate } from 'koishi-plugin-chatluna/llm-core/prompt';
import { AIMessageChunk } from '@langchain/core/messages';
import { ChatLunaChatPromptFormat } from 'koishi-plugin-chatluna/llm-core/chain/prompt';
import { Runnable, RunnableConfig } from '@langchain/core/runnables';
export declare class ModelService extends Service {
    private _chains;
    constructor(ctx: Context, config: Config);
    getChain(key: string, model: string, prompt: (() => Promise<PresetTemplate>) | string, chatMode?: 'chat' | 'plugin'): Promise<Runnable<ChatLunaChatPromptFormat, AIMessageChunk, RunnableConfig<Record<string, any>>>>;
    private _createEmbeddings;
}
declare module 'koishi' {
    interface Context {
        chatluna_action_model: ModelService;
    }
}