import React from 'react';
/**
 * Primes the current page's threads as soon as the editor is up, so the first block a
 * reader hovers already shows its count instead of fetching on demand, and folds in
 * changes pushed from other editors for as long as the page is open.
 *
 * Renders nothing. Mounted where it outlives any one block overlay, and only once
 * threads are on, so a reader without the feature makes no request.
 */
export declare function DocumentThreadsLoader(): React.ReactElement | null;