code: public void addDeleteColumn() {
          if (alreadyContainsColumn(SPUIDefinitions.DELETE_FILTER_BUTTON_COLUMN)) {
              return;
          }
          deleteColumnIfVisible(SPUIDefinitions.UPDATE_FILTER_BUTTON_COLUMN);
          addGeneratedColumn(SPUIDefinitions.DELETE_FILTER_BUTTON_COLUMN,
                  (source, itemId, columnId) -> addDeleteCell(itemId));
      }
docs: Insert the delete icons next to the filter tags in target, distribution
  and software module tags/types tables