import type { ReactiveController, LitElement } from 'lit';
import type { Call } from '../types/index.js';
/**
 * Reactive controller that subscribes to `user_event` on a Call and routes
 * each event by its `type` field:
 *
 * - `display_content` → dispatches `sw-display-content` on the host so the
 *   call-widget can open the content drawer.
 *
 * - everything else   → dispatches `signalwire-address:event` on the host
 *   so the embedding page can handle custom agent events.
 *
 * Always active once `setCall()` is called — no opt-in required.
 */
export declare class UserEventController implements ReactiveController {
    private _host;
    private _subscription?;
    constructor(host: LitElement);
    hostConnected(): void;
    hostDisconnected(): void;
    setCall(call: Call | undefined): void;
    private _route;
    private _handleDisplayContent;
    private _handlePassThrough;
}
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