public com.google.cloud.tpu.v2alpha1.AccessConfigOrBuilder getAccessConfigOrBuilder() {
      if (accessConfigBuilder_ != null) {
        return accessConfigBuilder_.getMessageOrBuilder();
      } else {
        return accessConfig_ == null
            ? com.google.cloud.tpu.v2alpha1.AccessConfig.getDefaultInstance()
            : accessConfig_;
      }
    }
<pre>
The access config for the TPU worker.
</pre>

<code>.google.cloud.tpu.v2alpha1.AccessConfig access_config = 5;</code>
java-tpu/proto-google-cloud-tpu-v2alpha1/src/main/java/com/google/cloud/tpu/v2alpha1/NetworkEndpoint.java