code: public Collection<String> getSelectedModules() {
  
          List<String> result = Lists.newArrayList();
          for (Map.Entry<String, CheckBox> entry : m_moduleCheckboxes.entrySet()) {
              if (entry.getValue().getValue().booleanValue()) {
                  result.add(entry.getKey());
              }
          }
          return result;
      }
docs: Gets the modules which are selected for check-in.<p>
  
  @return the selected modules