import { FC, ReactNode } from 'react';
import { AssistantPreviewController } from './types';
export interface AssistantPreviewBridgeHostProps {
    /**
     * The product's preview controller — the SAME object passed to the panel as
     * `preview`, or the panel runs a second bridge. Keep it stable across renders
     * (see `AssistantPreviewController`). Absent: nothing is bridged here.
     */
    preview?: AssistantPreviewController | null;
    children?: ReactNode;
}
/**
 * Run the preview bridge for `preview` for as long as THIS is mounted, and tell
 * any panel below that it need not run one.
 *
 * `AssistantOverlay` mounts one for `panelProps.preview`, so a product that
 * passes its controller that way gets a preview that keeps following a run
 * after the assistant is closed. A host that mounts the panel itself can do the
 * same by wrapping the place the panel comes and goes in this.
 *
 * ★ Unmounting THIS is still an ending: a run in flight gets `end(abandoned)`,
 * as it did when the panel unmounted — the host has gone, and with it the only
 * thing following the run.
 */
export declare const AssistantPreviewBridgeHost: FC<AssistantPreviewBridgeHostProps>;
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