@java.lang.Override
  public int getApiVersionValue() {
    return apiVersion_;
  }
<pre>
Output only. The API version that created this Node.
</pre>

<code>
.google.cloud.tpu.v2.Node.ApiVersion api_version = 38 [(.google.api.field_behavior) = OUTPUT_ONLY];
</code>

@return The enum numeric value on the wire for apiVersion.
java-tpu/proto-google-cloud-tpu-v2/src/main/java/com/google/cloud/tpu/v2/Node.java