public boolean hasNetworkConfig() {
      return ((bitField0_ & 0x00000040) != 0);
    }
<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.v2alpha1.NetworkConfig network_config = 36;</code>

@return Whether the networkConfig field is set.
java-tpu/proto-google-cloud-tpu-v2alpha1/src/main/java/com/google/cloud/tpu/v2alpha1/Node.java