/**
 * Downloads an XLSX file using base64 data
 * @param {string | Blob}  data - Base64 encoded file data
 * @param {string} fileName - Name for the downloaded file (without extension)
 * @returns {void}
 * @example
 * ```ts
 * downloadXlsxFileByUrl('base64String...', 'report') // Downloads 'report.xlsx'
 * ```
 */
export declare const downloadXlsxFileByUrl: (data: string | Blob, fileName: string) => void;