import { AIMessage, HumanMessage, ToolMessage } from '@langchain/core/messages';
import { Getter } from '@loopback/core';
import { AnyObject, Filter, FilterExcludingWhere } from '@loopback/repository';
import { IAuthUserWithPermissions } from '@sourceloop/core';
import { Chat, Message } from '../../models';
import { ChatRepository } from '../../repositories';
import { TokenMetadata } from '../../types';
import { SavedMessage } from '../types';
import { MessageMetadata } from './chat-metadata.type';
export declare class ChatStore {
    private readonly getCurrentUser;
    private readonly chatRepository;
    constructor(getCurrentUser: Getter<IAuthUserWithPermissions>, chatRepository: ChatRepository);
    findById(id: string, filter?: FilterExcludingWhere<Chat>): Promise<Chat>;
    find(filter?: Filter<Chat>): Promise<Chat[]>;
    updateCounts(chatId: string, inputTokens: number, outputTokens: number, newCountMap: TokenMetadata): Promise<void>;
    init(prompt: string, threadId?: string): Promise<Chat & {
        id: string;
    }>;
    addMessage(chatId: string, message: string, metadata: MessageMetadata, fromAi?: boolean, parentMessageId?: string): Promise<Message>;
    addHumanMessage(chatId: string, message: HumanMessage): Promise<Message>;
    addAttachmentMessage(chatId: string, userMessage: Message, file: Express.Multer.File, summary: string): Promise<Message>;
    addAIMessage(chatId: string, message: AIMessage): Promise<Message>;
    addToolMessage(chatId: string, message: ToolMessage, metadata: AnyObject, aiMessage: Message, args?: AnyObject): Promise<Message>;
    toMessage(message: Message): Promise<SavedMessage | undefined>;
    private mergeCountMap;
    private _updateFilterWithUserId;
}