/** PDF bytes registered for high-resolution print (not tied to on-screen zoom). */
export type PdfPrintSource = {
    data: ArrayBuffer;
    password?: string;
};
export declare function registerPdfPrintSource(holder: HTMLElement, source: PdfPrintSource): void;
export declare function unregisterPdfPrintSource(holder: HTMLElement): void;
export declare function getPdfPrintSource(holder: HTMLElement): PdfPrintSource | undefined;
/** Resolve print source from the preview root (pages track or viewer wrapper). */
export declare function findPdfPrintSource(previewRoot: HTMLElement): {
    holder: HTMLElement;
    source: PdfPrintSource;
} | null;
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