code: public com.google.appengine.v1.NetworkUtilization getNetworkUtilization() {
      return networkUtilization_ == null ? com.google.appengine.v1.NetworkUtilization.getDefaultInstance() : networkUtilization_;
    }
docs: <pre>
  Target scaling by network usage.
  </pre>
  
  <code>.google.appengine.v1.NetworkUtilization network_utilization = 12;</code>