import { BRIDGE_PROTOCOL_VERSION, DEFAULT_BRIDGE_GLOBAL, DEFAULT_LAYOUT_BRIDGE_GLOBAL, DeckChannel } from '../shared/protocol.js';
import type { EventEnvelope, InvokeRequest, InvokeResponse, ProbeResponse, DeckBridge } from '../shared/protocol.js';
import type { LayoutBridge, SlotGrant } from '../client/layout-client.js';
export interface ExposeBridgeOptions {
    /** 暴露到 window 的全局名，默认 `__electronDeckBridge` */
    readonly globalName?: string;
}
/**
 * 在 host preload 内调用，把 framework typed RPC + event push bridge 暴露到
 * webview window：
 *
 * ```ts
 * import { contextBridge, ipcRenderer } from 'electron'
 * import { exposeDeckBridge } from '@dimina-kit/electron-deck/preload'
 * exposeDeckBridge()
 * ```
 *
 * 见 `DeckBridge` 接口（`shared/protocol.ts`）。
 *
 * `@experimental` No production consumer yet — pairs with `createDeckClient` /
 * `DeckConfig.hostServices` / `events`, which only `examples/` / `spike/` use;
 * no host in this repo calls `exposeDeckBridge`. Contract may change until a
 * second real consumer adopts it.
 */
export declare function exposeDeckBridge(options?: ExposeBridgeOptions): void;
export interface ExposeLayoutBridgeOptions {
    /** 暴露到 window 的全局名，默认 `__electronDeckLayoutBridge` */
    readonly globalName?: string;
}
/**
 * 在 host preload 内调用，把三条 slot-token LAYOUT channel（`slot-grant` PUSH /
 * `snapshot` send / `layout-subscribe` invoke）封装成一个 `LayoutBridge`-shaped
 * 对象暴露到 webview window，供 renderer：
 *
 * ```ts
 * import { exposeDeckLayoutBridge } from '@dimina-kit/electron-deck/preload'
 * exposeDeckLayoutBridge()
 * // renderer:
 * createDeckLayoutClient({ bridge: window.__electronDeckLayoutBridge })
 * ```
 *
 * channel 名一律取自框架 `DeckChannel`（不手抄字符串）。`onSlotGrant` 返回一个
 * 纯 unsubscribe 函数（可跨 contextBridge），不是 Disposable 对象。
 */
export declare function exposeDeckLayoutBridge(options?: ExposeLayoutBridgeOptions): void;
export type { EventEnvelope, InvokeRequest, InvokeResponse, ProbeResponse, DeckBridge, LayoutBridge, SlotGrant, };
export { BRIDGE_PROTOCOL_VERSION, DEFAULT_BRIDGE_GLOBAL, DEFAULT_LAYOUT_BRIDGE_GLOBAL, DeckChannel };
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