code: public void addRow(String leftText, String rightText, String styleName) {
  
          ensureTable();
          ensureNoEmptyLabel();
          int row = m_table.getRowCount();
          m_table.setWidget(row, 0, new Label(leftText));
          Label rightLabel = new Label(rightText);
          rightLabel.addStyleName(styleName);
          rightLabel.addStyleName(RESOURCES.css().rightLabel());
          m_table.setWidget(row, 1, rightLabel);
      }
docs: Adds a single line of the import result to the widget.<p>
  
  @param leftText the text to display on the left
  @param rightText the text to display on the right
  @param styleName the style which should be applied to the right text