import type { Disposable, HostEvent, JsonValue } from '../types.js';
/**
 * Framework-internal event bus。
 *
 * 责任：
 * - `bindDeclaredEvents(events)`：在 Bind 阶段调；对每个声明的 HostEvent，调用
 *   framework binder，让该 event 的 `publish()` 走 bus。
 * - `publish(name, payload)`：通知 `subscribe(name, ...)` 注册的所有 listener。
 * - `subscribe(name, listener)`：返回 `Disposable`，dispose 后停止通知。
 * - `unbindAll()`：解绑所有 declared event publisher + 清空 subscribers。
 *
 * @internal
 */
export declare class EventBus {
    private readonly subscribers;
    private readonly allSubscribers;
    private readonly inFlight;
    private boundEvents;
    bindDeclaredEvents(events: readonly HostEvent<JsonValue>[]): void;
    publish(name: string, payload: JsonValue): void;
    subscribe(name: string, listener: (payload: JsonValue) => void): Disposable;
    /**
     * 订阅所有 channel 的 publish —— framework wire-transport 把 declared
     * HostEvent.publish() 桥到 webContents.send 时用。
     */
    subscribeAll(listener: (name: string, payload: JsonValue) => void): Disposable;
    unbindAll(): void;
}
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