@java.lang.Override
  public com.google.cloud.tpu.v2.NetworkConfig getNetworkConfig() {
    return networkConfig_ == null
        ? com.google.cloud.tpu.v2.NetworkConfig.getDefaultInstance()
        : networkConfig_;
  }
<pre>
Network configurations for the TPU node. network_config and network_configs
are mutually exclusive, you can only specify one of them. If both are
specified, an error will be returned.
</pre>

<code>.google.cloud.tpu.v2.NetworkConfig network_config = 36;</code>

@return The networkConfig.
java-tpu/proto-google-cloud-tpu-v2/src/main/java/com/google/cloud/tpu/v2/Node.java