code: public DynaFormLabel addLabel(final String value, final boolean escape, final int colspan, final int rowspan) {
          final DynaFormLabel dynaFormLabel = new DynaFormLabel(value, escape, colspan, rowspan, row, elements.size() + 1, extended);
  
          elements.add(dynaFormLabel);
          dynaFormModel.getLabels().add(dynaFormLabel);
          totalColspan = totalColspan + colspan;
  
          return dynaFormLabel;
      }
docs: Adds a label with given text, escape flag, colspan and rowspan.
  
  @param value label text
  @param escape boolean flag if the label text should escaped or not
  @param colspan colspan
  @param rowspan rowspan
  @return DynaFormLabel added label