import { EventEmitter } from 'events';
import type { ReadStream } from 'fs';
import { type FeishuCardActionEvent, type FeishuCardActionResponse } from './client-utils.js';
declare class FeishuClient extends EventEmitter {
    private client;
    private wsClient;
    private eventDispatcher;
    private cardActionHandler?;
    private cardUpdateQueue;
    private connectionState;
    private heartbeatTimer;
    private lastHeartbeatAt;
    private heartbeatFailureCount;
    private readonly HEARTBEAT_INTERVAL_MS;
    private readonly HEARTBEAT_FAILURE_THRESHOLD;
    private botOpenId;
    constructor();
    private createEventDispatcher;
    getBotOpenId(): string | null;
    getLastHeartbeatAt(): number;
    private startHeartbeat;
    private stopHeartbeat;
    private performHeartbeat;
    private fetchBotInfo;
    start(): Promise<void>;
    onMemberLeft(callback: (chatId: string, memberId: string) => void): void;
    onChatDisbanded(callback: (chatId: string) => void): void;
    onMessageRecalled(callback: (event: any) => void): void;
    private handleMessage;
    setCardActionHandler(handler: (event: FeishuCardActionEvent) => Promise<FeishuCardActionResponse | void>): void;
    private handleCardAction;
    downloadMessageResource(messageId: string, fileKey: string, type: 'image' | 'file' | 'audio' | 'video'): Promise<{
        writeFile: (filePath: string) => Promise<unknown>;
        headers: Record<string, unknown>;
    } | null>;
    sendText(chatId: string, text: string): Promise<string | null>;
    reply(messageId: string, text: string): Promise<string | null>;
    replyCard(messageId: string, card: object): Promise<string | null>;
    updateCard(messageId: string, card: object): Promise<boolean>;
    private doUpdateCard;
    updateMessage(messageId: string, text: string): Promise<boolean>;
    sendCard(chatId: string, card: object): Promise<string | null>;
    deleteMessage(messageId: string): Promise<boolean>;
    addChatManager(chatId: string, managerId: string, idType: 'open_id' | 'app_id'): Promise<boolean>;
    createChat(name: string, userIds: string[], description?: string): Promise<{
        chatId: string | null;
        invalidUserIds: string[];
    }>;
    disbandChat(chatId: string): Promise<boolean>;
    getChatMembers(chatId: string): Promise<string[]>;
    getUserChats(): Promise<string[]>;
    getChat(chatId: string): Promise<{
        ownerId: string;
        name: string;
    } | null>;
    addChatMembers(chatId: string, userIds: string[]): Promise<boolean>;
    uploadImage(imageData: Buffer | ReadStream): Promise<string | null>;
    uploadFile(fileData: Buffer | ReadStream, fileName: string, fileType: 'opus' | 'mp4' | 'pdf' | 'doc' | 'xls' | 'ppt' | 'stream'): Promise<string | null>;
    sendImageMessage(chatId: string, imageKey: string): Promise<string | null>;
    sendFileMessage(chatId: string, fileKey: string): Promise<string | null>;
    stop(): void;
}
export declare const feishuClient: FeishuClient;
export type { FeishuMessageEvent, FeishuCardActionEvent, FeishuCardActionResponse, FeishuAttachment } from './client-utils.js';
export { isCompletionNotFoundError } from './client-utils.js';
//# sourceMappingURL=client.d.ts.map