code: @Override
      public String getRegion() {
          DynamicStringProperty defaultEurekaRegion = configInstance.getStringProperty(CLIENT_REGION_FALLBACK_KEY, Values.DEFAULT_CLIENT_REGION);
          return configInstance.getStringProperty(namespace + CLIENT_REGION_KEY, defaultEurekaRegion.get()).get();
      }
docs: /*
  (non-Javadoc)
  
  @see com.netflix.discovery.EurekaClientConfig#getRegion()