code: private <T extends ServiceType> Properties getNVPairs(T service) {
  		SortedProperties result = new SortedProperties();
  
  		String serviceKey = getElementKey(service) + "[" + service.getName() + "]";
  		
  		List<NVPairs> nvPairsList = new ArrayList<NVPairs>();
  		nvPairsList = service.getNVPairs();
  		
  		String variablesKey;
  
  		for (NVPairs nvPairs : nvPairsList) {
  			variablesKey = serviceKey + "/variables[" + nvPairs.getName() + "]"; 
  			String key;
  			for (JAXBElement<? extends NVPairType> nvPair : nvPairs.getNVPair()) {
  				key = variablesKey + "/variable[" + nvPair.getValue().getName() + "]";
  				result.setProperty(key, nvPair.getValue().getValue());
  			}			
  		}
  
  		return result;
  	}
docs: <p>
  This method focuses on Global Variables found in this path :
  "/application/services/bw/NVPairs"
  "/application/services/adapter/NVPairs"
  </p>