export interface WorkSpreadsheetDiagonalBorderLine {
    color: string;
    style: string;
}
export interface WorkSpreadsheetDiagonalBorder {
    down: boolean;
    line: WorkSpreadsheetDiagonalBorderLine;
    up: boolean;
}
type UnknownRecord = Record<string, unknown>;
export declare function spreadsheetDiagonalBorderFromCellValue(value: unknown): WorkSpreadsheetDiagonalBorder | null | undefined;
export declare function spreadsheetCellValueWithDiagonalBorder(value: UnknownRecord, border: WorkSpreadsheetDiagonalBorder | null): UnknownRecord;
export {};