docs: public String processNested(Properties attributes) throws XDocletException
      {
          String    name      = OjbMemberTagsHandler.getMemberName();
          XClass    type      = OjbMemberTagsHandler.getMemberType();
          int       dim       = OjbMemberTagsHandler.getMemberDimension();
          NestedDef nestedDef = _curClassDef.getNested(name);
  
          if (type == null)
          {
              throw new XDocletException(Translator.getString(XDocletModulesOjbMessages.class,
                                            XDocletModulesOjbMessages.COULD_NOT_DETERMINE_TYPE_OF_MEMBER,
                                            new String[]{name}));
          }
          if (dim > 0)
          {
              throw new XDocletException(Translator.getString(XDocletModulesOjbMessages.class,
                                            XDocletModulesOjbMessages.MEMBER_CANNOT_BE_NESTED,
                                            new String[]{name, _curClassDef.getName()}));
          }
  
          ClassDescriptorDef nestedTypeDef = _model.getClass(type.getQualifiedName());
  
          if (nestedTypeDef == null)
          {
              throw new XDocletException(Translator.getString(XDocletModulesOjbMessages.class,
                                            XDocletModulesOjbMessages.COULD_NOT_DETERMINE_TYPE_OF_MEMBER,
                                            new String[]{name}));
          }
          if (nestedDef == null)
          {
              nestedDef = new NestedDef(name, nestedTypeDef);
              _curClassDef.addNested(nestedDef);
          }
          LogHelper.debug(false, OjbTagsHandler.class, "processNested", "  Processing nested object "+nestedDef.getName()+" of type "+nestedTypeDef.getName());
  
          String attrName;
          
          for (Enumeration attrNames = attributes.propertyNames(); attrNames.hasMoreElements(); )
          {
              attrName = (String)attrNames.nextElement();
              nestedDef.setProperty(attrName, attributes.getProperty(attrName));
          }
          return "";
      }