/**
 * WebSocket Server for aurasecurity
 *
 * Provides real-time updates to connected clients:
 * - Audit started/completed events
 * - Finding notifications
 * - Settings changes
 * - Server status updates
 */
export interface WSMessage {
    type: 'audit_started' | 'audit_completed' | 'finding' | 'settings_changed' | 'status' | 'ping' | 'pong';
    payload: unknown;
    timestamp: string;
}
export interface AuditStartedPayload {
    auditId: string;
    type: string;
    target: string;
}
export interface AuditCompletedPayload {
    auditId: string;
    type: string;
    target: string;
    summary: {
        critical: number;
        high: number;
        medium: number;
        low: number;
    };
    duration?: number;
}
export interface FindingPayload {
    auditId: string;
    severity: 'critical' | 'high' | 'medium' | 'low';
    type: string;
    message: string;
    file?: string;
    line?: number;
}
export declare class AuditorWebSocket {
    private port;
    private wss;
    private clients;
    private pingInterval;
    constructor(port?: number);
    /**
     * Start the WebSocket server
     */
    start(): Promise<void>;
    /**
     * Stop the WebSocket server
     */
    stop(): Promise<void>;
    /**
     * Handle incoming messages from clients
     */
    private handleMessage;
    /**
     * Send message to a specific client
     */
    private sendTo;
    /**
     * Broadcast message to all connected clients
     */
    broadcast(message: WSMessage): void;
    /**
     * Notify clients that an audit has started
     */
    notifyAuditStarted(payload: AuditStartedPayload): void;
    /**
     * Notify clients that an audit has completed
     */
    notifyAuditCompleted(payload: AuditCompletedPayload): void;
    /**
     * Notify clients of a finding during an audit
     */
    notifyFinding(payload: FindingPayload): void;
    /**
     * Notify clients that settings have changed
     */
    notifySettingsChanged(section?: string): void;
    /**
     * Get the number of connected clients
     */
    getClientCount(): number;
}
export declare function getWebSocketServer(port?: number): AuditorWebSocket;
export declare function closeWebSocketServer(): Promise<void>;