import { ActivityEvent } from '../utils/activity';
export declare class BielWebSocketService {
    private readonly pageUrl;
    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 retrievalMode;
    private adaptiveChat;
    private lastAdaptiveRequest?;
    private metadata;
    private activityHandlers;
    private interruptionHandlers;
    private activeRequestId;
    private turnPending;
    private restoreToken;
    private lastActivitySequence;
    private turnCounter;
    private readonly requestPrefix;
    private reconnectAttempts;
    private maxReconnectAttempts;
    private reconnectTimer;
    private isClosing;
    private static readonly PROVEN_CONNECTION_MS;
    private provenTimer;
    private isConnectionProven;
    private hasSentOnCurrentSocket;
    private unsolicitedOnCurrentSocket;
    private unsolicitedBeforeReconnect;
    constructor(projectId: string, errorMessage: string, email: string, apiKey?: string, baseUrl?: string, initialChatId?: string, thinkMode?: boolean, metadata?: string, restoreToken?: string, retrievalMode?: 'auto' | 'instant', pageUrl?: () => string);
    private clearProvenTimer;
    private teardownSocket;
    private connect;
    private interruptTurn;
    private clearBackoffIfSocketWasHealthy;
    private scheduleReconnect;
    sendMessage(message: string, options?: {
        retry?: boolean;
    }): void;
    closeSocket(): void;
    onMessage(handler: (message: any) => void): void;
    onActivity(handler: (event: ActivityEvent) => void): void;
    onInterrupted(handler: () => void): void;
    onLoadingStart(handler: () => void): void;
    onLoadingEnd(handler: () => void): void;
    onConnectionStatusChange(handler: (isConnected: boolean) => void): void;
    getChatId(): string;
    getRestoreToken(): string;
    isWebSocketConnected(): boolean;
    getConnectionInfo(): {
        isConnected: boolean;
        chatId: string;
        wsUrl: string;
    };
    setAdaptiveChat(enabled: boolean): void;
    setRetrievalMode(mode: 'auto' | 'instant' | undefined): void;
    setThinkMode(enabled: boolean): void;
}