/**
 * Lazy-loaded xlsx-js-style module
 * This module provides dynamic imports for xlsx-js-style to reduce initial bundle size
 */
/**
 * Get the XLSX module from xlsx-js-style
 * @returns Promise that resolves to the XLSX module
 */
export declare const getXLSX: () => Promise<any>;
/**
 * Utility functions that mirror the XLSX API but load the module dynamically
 */
export declare const utils: {
    json_to_sheet: (data: any, options?: any) => Promise<any>;
    book_new: () => Promise<any>;
    book_append_sheet: (wb: any, ws: any, name: string) => Promise<any>;
    encode_col: (col: number) => Promise<any>;
};
/**
 * Write function that mirrors the XLSX.write API but loads the module dynamically
 */
export declare const write: (wb: any, options: any) => Promise<any>;