def col_id=(column_index)
      column_index = column_index.col if column_index.is_a?(Cell)
      Axlsx.validate_unsigned_int column_index
      @col_id = column_index
    end
def col_id=(column_index)
      column_index = column_index.col if column_index.is_a?(Cell)
      Axlsx.validate_unsigned_int column_index
      @col_id = column_index
    end
Sets the col_id attribute for this filter column.
 @param [Integer | Cell] column_index The zero based index of the column to which this filter applies.
                         When you specify a cell, the column index will be read off the cell
 @return [Integer]