horizontalBorderRows property
Properties of horizontal cell borders.
A table's horizontal cell borders are represented as a grid. The grid has one more row than the number of rows in the table and the same number of columns as the table. For example, if the table is 3 x 3, its horizontal borders will be represented as a grid with 4 rows and 3 columns.
Implementation
core.List<TableBorderRow>? horizontalBorderRows;