import { PdfTextRun, PdfPageTextRuns } from '@embedpdf/models';
import { LayoutBlock, PageLayout } from './types';
/**
 * A layout block enriched with the text runs that spatially overlap it.
 */
export interface EnrichedLayoutBlock extends LayoutBlock {
    textRuns: PdfTextRun[];
}
/**
 * Merge text runs with layout blocks based on spatial overlap.
 *
 * For each block, collects all text runs whose bounding rect intersects
 * the block's rect. Both are in PDF page coordinates (points).
 */
export declare function mergeTextRunsWithLayout(layout: PageLayout, textRuns: PdfPageTextRuns): EnrichedLayoutBlock[];