import type { Sheet } from '@fortune-sheet/core';
export type XlsxCellBorderStyle = 'dashDot' | 'dashDotDot' | 'dashed' | 'dotted' | 'double' | 'hair' | 'medium' | 'mediumDashDot' | 'mediumDashDotDot' | 'mediumDashed' | 'slantDashDot' | 'thick' | 'thin';
export interface XlsxCellBorderLine {
    color: string;
    style: XlsxCellBorderStyle;
}
export interface XlsxCellBorder {
    bottom?: XlsxCellBorderLine | null;
    diagonal?: XlsxCellBorderLine | null;
    diagonalDown?: boolean;
    diagonalUp?: boolean;
    left?: XlsxCellBorderLine | null;
    right?: XlsxCellBorderLine | null;
    top?: XlsxCellBorderLine | null;
}
export interface XlsxPositionedCellBorder {
    border?: XlsxCellBorder;
    column: number;
    row: number;
}
export declare function collectXlsxCellBorders(sheet: Sheet): ReadonlyMap<string, XlsxCellBorder>;
export declare function fortuneBorderInfoFromXlsxCells(entries: readonly XlsxPositionedCellBorder[]): unknown[];
export declare function xlsxCellBorderKey(row: number, column: number): string;
export declare function xlsxCellBorderLineFromFortune(value: unknown): XlsxCellBorderLine | null | undefined;
export declare function fortuneBorderStyle(style: XlsxCellBorderStyle): string;