/**
 * Generate a safe local rendition on macOS, Windows, or Linux. Native preview
 * is preferred; PDF/Office tools are used when available; a neutral SVG card is
 * the universal final fallback so every file remains inspectable.
 */
export declare function generateFilePreview(filePath: string, options?: {
    preferNative?: boolean;
}): Promise<string>;
/** Remove only preview directories created by this module. */
export declare function cleanupGeneratedFilePreview(generatedPath: string): Promise<void>;