public com.google.cloud.tpu.v2alpha1.AcceleratorConfig.Builder getAcceleratorConfigBuilder() {
      bitField0_ |= 0x00400000;
      onChanged();
      return getAcceleratorConfigFieldBuilder().getBuilder();
    }
<pre>
The AccleratorConfig for the TPU Node.
</pre>

<code>.google.cloud.tpu.v2alpha1.AcceleratorConfig accelerator_config = 44;</code>
java-tpu/proto-google-cloud-tpu-v2alpha1/src/main/java/com/google/cloud/tpu/v2alpha1/Node.java