import type { jsPDF as JsPdf } from 'jspdf';
import { type WorkPdfStyledTextRun } from './work-pdf-vector-text';
/** One extractable PDF text run in page-local CSS pixels (origin: page top-left). */
export interface WorkPdfTextRun {
    fontSize: number;
    height: number;
    text: string;
    width: number;
    x: number;
    y: number;
}
export interface WorkPdfPageBounds {
    height: number;
    left: number;
    top: number;
    width: number;
}
export interface WorkPdfPagePoints {
    pageHeightPoints: number;
    pageWidthPoints: number;
}
/**
 * Maps measured client rectangles into page-local PDF text runs. Rectangles
 * outside the page, empty text, or glyphs the active PDF font set cannot encode
 * are omitted (fail soft) rather than inventing geometry.
 */
export declare function workPdfTextRunsFromClientRects(text: string, rects: ReadonlyArray<{
    height: number;
    left: number;
    top: number;
    width: number;
}>, page: WorkPdfPageBounds, fontSize: number): WorkPdfTextRun[];
/**
 * Collects searchable Latin text from a live capture root that has already been
 * positioned for one physical page. Missing layout geometry yields no runs.
 * Color and font style travel with each run for vector paint.
 */
export declare function collectWorkPdfTextRuns(root: HTMLElement, page: WorkPdfPageBounds): WorkPdfStyledTextRun[];
/**
 * Invisible Helvetica overlay for search/select. Prefer
 * {@link appendWorkPdfVectorTextLayer} after clearing raster text regions for
 * production export; this helper remains for encoding regression tests.
 */
export declare function appendWorkPdfInvisibleTextLayer(pdf: JsPdf, runs: readonly WorkPdfTextRun[], pageCss: Pick<WorkPdfPageBounds, 'height' | 'width'>, pagePoints: WorkPdfPagePoints): void;