export type CellFormat = {
    fontId?: number;
    fillId?: number;
    borderId?: number;
    numFmtId?: number;
    horizontalAlignment?: string;
    verticalAlignment?: string;
    wrapText: boolean;
    indent?: number;
    textRotation?: number;
    shrinkToFit: boolean;
    justifyLastLine: boolean;
    readingOrder?: number;
};