code: public void setColumnStyle(final int col, final TableColumnStyle ts) throws FastOdsException {
          TableBuilder.checkCol(col);
          this.stylesContainer.addContentFontFaceContainerStyle(ts);
          ts.addToContentStyles(this.stylesContainer);
          this.columnStyles.set(col, ts);
      }
docs: Set the style of a column.
  
  @param col The column number
  @param ts  The style to be used, make sure the style is of type
  TableFamilyStyle.STYLEFAMILY_TABLECOLUMN
  @throws FastOdsException Thrown if col has an invalid value.