import * as React from 'react';
/**
 * Scopes a cross-instance preload cache (typically at a layout). Descendants
 * call `usePreload` to start dynamic imports of shared helpers keyed by a
 * stable string; the first call per key runs the factory and every other
 * instance reuses its promise - so a helper a chunk's data implies (a transform
 * fn, say) is fetched once, in parallel with the content, across the page.
 */
export declare function PreloadProvider({
  children
}: {
  children: React.ReactNode;
}): React.ReactElement;