import { type DeletedAnnotationData } from "@vue-pdf-viewer/shared";
import type { Annotation } from "../types";
export declare class AnnotationPdfSerializer {
    /**
     * Serialize annotations into a PDF document
     * @param originalBytes - The original PDF bytes
     * @param annotations - Annotations to add to the PDF
     * @param deletedAnnotations - Annotation data for removal (supports both string IDs and full objects)
     */
    static serializeAnnotationsToPdf(originalBytes: Uint8Array, annotations: Annotation[], deletedAnnotations?: DeletedAnnotationData[] | string[]): Promise<Uint8Array>;
    /**
     * Remove annotations from the PDF
     * Supports both ID-based matching (via /NM field) and position-based matching as fallback
     */
    private static removeAnnotations;
    /**
     * Check if a PDF annotation matches any of the deleted annotations
     * First tries to match by /NM (ID), then falls back to position matching
     */
    private static matchesDeletedAnnotation;
    private static addTextMarkupAnnotation;
    /**
     * Format a JavaScript Date object to PDF date string format
     * PDF spec format: D:YYYYMMDDHHmmSSOHH'mm
     * @param date - JavaScript Date object
     * @returns PDF date string
     */
    private static formatPdfDate;
    /**
     * Add a rectangle (square) annotation to the PDF
     * Rectangle annotations are PDF annotation type 5 (Square)
     */
    private static addRectangleAnnotation;
    private static convertRectToPdfCoords;
    private static convertQuadPointsToPdfCoords;
}