import { FC } from 'react';
/**
 * Props for the PDF preview loading skeleton overlay.
 */
export interface PdfPreviewLoaderProps {
    /** Additional class name for the loader wrapper. */
    className?: string;
    /** Accessible label announced by assistive technologies. */
    ariaLabel?: string;
}
/**
 * Skeleton placeholder used while PDF content is loading.
 */
export declare const PdfPreviewLoader: FC<PdfPreviewLoaderProps>;