docs: public String processPortType(TDefinitions descriptionType, TPortType interfaceType, boolean addAddress)
      {
          String interfaceName = interfaceType.getName();
          String allAddress = DBConstants.BLANK;
          
          for (TOperation nextElement : interfaceType.getOperation())
          {
              {
                  String address = this.processInterfaceOperationType(descriptionType, interfaceName, nextElement, addAddress);
                  if (allAddress != null)
                  {
                      if (allAddress == DBConstants.BLANK)
                          allAddress = address;
                      else if (!allAddress.equalsIgnoreCase(address))
                          allAddress = null;  // null = not all address are the same
                  }
              }
          }
          
          return allAddress;
      }