@java.lang.Override
  public java.util.List<com.google.cloud.tpu.v2alpha1.NetworkConfig> getNetworkConfigsList() {
    return networkConfigs_;
  }
<pre>
Optional. Repeated network configurations for the TPU node. This field is
used to specify multiple networks configs 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>
repeated .google.cloud.tpu.v2alpha1.NetworkConfig network_configs = 50 [(.google.api.field_behavior) = OPTIONAL];
</code>
java-tpu/proto-google-cloud-tpu-v2alpha1/src/main/java/com/google/cloud/tpu/v2alpha1/Node.java