/**
 * WebSocket client for real-time Sequence0 agent events
 *
 * Connects to the agent node's /ws endpoint, receives typed events
 * for signing progress, DKG status, and fee collection.
 */
/** WebSocket event types — mirrors agent-node WsEvent enum */
export type WsEventType = 'SigningStarted' | 'CommitmentReceived' | 'PartialSignatureReceived' | 'SigningComplete' | 'SigningFailed' | 'DkgStarted' | 'DkgRoundProgress' | 'WalletCreated' | 'FeeCollected' | 'FeeCollectionFailed' | 'Heartbeat';
export interface WsMessage {
    type: WsEventType;
    [key: string]: unknown;
}
export type WsEventHandler = (event: WsMessage) => void;
export interface WsClientOptions {
    /** WebSocket URL (e.g. ws://host:8080/ws) */
    url: string;
    /** Filter events by wallet_id (optional) */
    walletId?: string;
    /** Auto-reconnect on disconnect (default: true) */
    autoReconnect?: boolean;
    /** Reconnect delay in ms (default: 3000) */
    reconnectDelay?: number;
}
export declare class WsClient {
    private ws;
    private handlers;
    private options;
    private reconnectTimer;
    private _connected;
    constructor(options: WsClientOptions);
    get connected(): boolean;
    /** Connect to the agent WebSocket */
    connect(): Promise<void>;
    /** Disconnect and stop reconnecting */
    disconnect(): void;
    /** Subscribe to a specific event type, or '*' for all */
    on(event: WsEventType | 'connected' | 'disconnected' | '*', handler: WsEventHandler): void;
    /** Remove an event handler */
    off(event: string, handler: WsEventHandler): void;
    /** Wait for a specific event matching a predicate (with timeout) */
    waitFor(eventType: WsEventType, predicate: (event: WsMessage) => boolean, timeoutMs?: number): Promise<WsMessage>;
    private emit;
    private scheduleReconnect;
}
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