import type { Call } from '../types/index.js';
import type { ContextHost } from './types.js';
/**
 * ReactiveController that flattens all Call observables into a plain CallState
 * object provided via Lit context. Consumer components get automatic re-renders
 * on any change.
 *
 * Usage in a provider component:
 *
 *   private _callState = new CallStateContextController(this);
 *
 *   // When a call arrives:
 *   this._callState.connect(call);
 *
 *   // When the call ends:
 *   this._callState.disconnect();
 */
export declare class CallStateContextController {
    private _provider;
    private _subscriptions;
    private _state;
    private _batching;
    constructor(host: ContextHost);
    hostConnected(): void;
    hostDisconnected(): void;
    connect(call: Call): void;
    disconnect(): void;
    private _patch;
    private _publish;
}
//# sourceMappingURL=CallStateContextController.d.ts.map