export type BorderSide = {
    style: number;
    color?: string;
};
export declare const BORDER_STYLE_MAP: Record<number, string>;
/** Convert a fortune border side descriptor to an xlsx-js-style border entry. */
export declare const toBorderSide: (style: unknown, color: unknown) => {
    style: string;
    color: {
        rgb: string;
    };
} | undefined;
/**
 * Reads `borderInfo` from a fortune sheet config and writes the corresponding
 * border styles into the xlsx-js-style worksheet object.
 *
 * Handles two rangeTypes:
 *  - "cell"  → per-cell border entries produced by luckyexcel on import
 *  - "range" → range border commands produced when the user draws borders in the UI
 */
export declare const applyBordersToWorksheet: (worksheet: Record<string, unknown>, borderInfo: any[]) => void;