Column<T, ?> column = getTable().getColumn(0);
int prevColspan = 1;
boolean isSortable = false;
boolean isSorted = false;
StringBuilder classesBuilder = new StringBuilder(className);
classesBuilder.append(" " + (isFooter ? style.firstColumnFooter() : style.firstColumnHeader()));
if (!isFooter && column.isSortable()) {
isSortable = true;
isSorted = (column == sortedColumn);
}