@java.lang.Override
    public com.google.cloud.tpu.v2alpha1.Node.ApiVersion getApiVersion() {
      com.google.cloud.tpu.v2alpha1.Node.ApiVersion result =
          com.google.cloud.tpu.v2alpha1.Node.ApiVersion.forNumber(apiVersion_);
      return result == null ? com.google.cloud.tpu.v2alpha1.Node.ApiVersion.UNRECOGNIZED : result;
    }
<pre>
Output only. The API version that created this Node.
</pre>

<code>
.google.cloud.tpu.v2alpha1.Node.ApiVersion api_version = 38 [(.google.api.field_behavior) = OUTPUT_ONLY];
</code>

@return The apiVersion.
java-tpu/proto-google-cloud-tpu-v2alpha1/src/main/java/com/google/cloud/tpu/v2alpha1/Node.java