code: @SuppressWarnings("unchecked")
      public final List<RegisteredService> loadServices() {
          logger.info("Loading Registered Services from: [ {} ]...", this.servicesConfigFile);
          final List<RegisteredService> resolvedServices = new ArrayList<RegisteredService>();
          
          try {
              
              final Map<String, List> m = unmarshalServicesRegistryResourceIntoMap();
              
              if (m != null) {
                final Iterator<Map> i = m.get(SERVICES_KEY).iterator();
                while (i.hasNext()) {
                    final Map<?, ?> record = i.next();
                    final String svcId = ((String) record.get(SERVICES_ID_KEY));
                    final RegisteredService svc = getRegisteredServiceInstance(svcId);
                    if (svc != null) {
                        resolvedServices.add(this.objectMapper.convertValue(record, svc.getClass()));
                        logger.debug("Unmarshaled {}: {}", svc.getClass().getSimpleName(), record);
                    }
                }
    
                synchronized (this.mutexMonitor) {
                    this.delegateServiceRegistryDao.setRegisteredServices(resolvedServices);
                }
              }
          } catch (final Throwable e) {
              throw new RuntimeException(e);
          }
          return resolvedServices;
      }
docs: This method is used as a Spring bean loadServices-method
  as well as the reloading method when the change in the services definition resource is detected at runtime