public Builder setAcceleratorConfigs(
        int index, com.google.cloud.tpu.v2.AcceleratorConfig.Builder builderForValue) {
      if (acceleratorConfigsBuilder_ == null) {
        ensureAcceleratorConfigsIsMutable();
        acceleratorConfigs_.set(index, builderForValue.build());
        onChanged();
      } else {
        acceleratorConfigsBuilder_.setMessage(index, builderForValue.build());
      }
      return this;
    }
<pre>
The accelerator config.
</pre>

<code>repeated .google.cloud.tpu.v2.AcceleratorConfig accelerator_configs = 3;</code>
java-tpu/proto-google-cloud-tpu-v2/src/main/java/com/google/cloud/tpu/v2/AcceleratorType.java