export declare function serializeTsv(rows: (string | null)[][]): string;
export declare function parseTsv(text: string): string[][];
export type CellHtmlCell = {
    label: string;
    value: string;
    hole?: boolean;
};
export declare function serializeCellHtml(rows: CellHtmlCell[][]): string | null;
export declare function parseCellHtml(html: string): (string | null)[][] | null;