/**
 * Creates a stable `<div style="display:contents">` DOM element on first
 * render and returns the same element on every subsequent render.
 *
 * The element is created lazily on first access via `useRef`, not via
 * `useMemo`, so StrictMode / cache-eviction cannot cause it to be recreated
 * and break referential stability for callers that capture it
 * (e.g. `createPortal`).
 *
 * @internal
 */
export declare function useStableHost(): HTMLDivElement;
/**
 * Places a host node from `useStableHost` into the DOM at this component's
 * mount point. Uses `appendChild` in a `useLayoutEffect` so the host node is
 * moved (not cloned) when `TeleportTarget` remounts in a different position,
 * preserving the React subtree portaled into the host.
 *
 * Together with `createPortal(children, host)` this lets a subtree survive the
 * layout switching between split / overlay / collapsed / drawer modes: React
 * never unmounts it, because only the DOM node moves.
 *
 * @internal
 */
export declare function TeleportTarget({ host }: {
    host: HTMLDivElement;
}): import("react").JSX.Element;
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