export declare class BielWebSocketService {
    private ws;
    private messageHandlers;
    private isConnected;
    private projectId;
    private chatId;
    private email;
    private apiKey;
    private errorMessage;
    private loadingStartHandler;
    private loadingEndHandler;
    private connectionStatusHandlers;
    private wsUrl;
    private thinkMode;
    private metadata;
    constructor(projectId: string, errorMessage: string, email: string, apiKey?: string, baseUrl?: string, initialChatId?: string, thinkMode?: boolean, metadata?: string);
    private connect;
    sendMessage(message: string): void;
    closeSocket(): void;
    onMessage(handler: (message: any) => void): void;
    onLoadingStart(handler: () => void): void;
    onLoadingEnd(handler: () => void): void;
    onConnectionStatusChange(handler: (isConnected: boolean) => void): void;
    getChatId(): string;
    isWebSocketConnected(): boolean;
    getConnectionInfo(): {
        isConnected: boolean;
        chatId: string;
        wsUrl: string;
    };
    setThinkMode(enabled: boolean): void;
}