import type { PdfRedaction } from "./pdf-redaction.js";
type RelativeRect = {
    rx: number;
    ry: number;
    rw: number;
    rh: number;
};
/**
 * Render all redacted pages to PNG via PDF.js, burning black boxes permanently
 * onto the canvas so no text survives in the output image.
 * Returns an empty map when canvas is unavailable (SSR / unit-test environments).
 */
export declare function rasterizeRedactedPages(source: ArrayBuffer, redactionsByPage: Map<number, RelativeRect[]>, password?: string): Promise<Map<number, Uint8Array>>;
/**
 * Export a PDF with redactions truly removed.
 *
 * Pages containing redactions are rasterized to PNG via PDF.js and rebuilt as
 * image-only PDF pages — the original text content stream is discarded so the
 * redacted content cannot be extracted by copy/paste, pdftotext, or any other
 * tool.  Non-redacted pages are copied verbatim, preserving text and vector
 * fidelity.
 *
 * Falls back to visual-only black rectangles when canvas rendering is
 * unavailable (SSR / test environments).
 */
export declare function exportRedactedPdfBytes(source: ArrayBuffer, redactions: readonly PdfRedaction[], options?: {
    password?: string;
}): Promise<Uint8Array>;
export declare function downloadRedactedPdf(bytes: Uint8Array, fileName: string): void;
export {};
//# sourceMappingURL=pdf-redaction-export.d.ts.map