import type { DeviceController, Call } from '../types/index.js';
import type { ContextHost } from './types.js';
/**
 * ReactiveController that bridges DeviceController + Call into a clean
 * DevicesState provided via Lit context. Consumers need zero RxJS.
 *
 * Usage in a provider component:
 *
 *   private _devices = new DevicesContextController(this);
 *
 *   // Wire up devices (can be done before a call exists):
 *   this._devices.connectDevices(deviceController);
 *
 *   // Wire up call (mute state, server-driven changes):
 *   this._devices.connectCall(call);
 *
 *   // Tear down individually or all at once:
 *   this._devices.disconnectCall();
 *   this._devices.disconnect();
 */
export declare class DevicesContextController {
    private _provider;
    private _dc;
    private _deviceSubs;
    private _callSubs;
    private _state;
    constructor(host: ContextHost);
    hostConnected(): void;
    hostDisconnected(): void;
    connectDevices(dc: DeviceController): void;
    /** Force device re-enumeration (call after getUserMedia grants permission). */
    refreshDevices(): void;
    connectCall(call: Call): void;
    disconnectCall(): void;
    disconnect(): void;
    private _patch;
}
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