private com.google.protobuf.RepeatedFieldBuilderV3<
            com.google.cloud.tpu.v2.AcceleratorConfig,
            com.google.cloud.tpu.v2.AcceleratorConfig.Builder,
            com.google.cloud.tpu.v2.AcceleratorConfigOrBuilder>
        getAcceleratorConfigsFieldBuilder() {
      if (acceleratorConfigsBuilder_ == null) {
        acceleratorConfigsBuilder_ =
            new com.google.protobuf.RepeatedFieldBuilderV3<
                com.google.cloud.tpu.v2.AcceleratorConfig,
                com.google.cloud.tpu.v2.AcceleratorConfig.Builder,
                com.google.cloud.tpu.v2.AcceleratorConfigOrBuilder>(
                acceleratorConfigs_,
                ((bitField0_ & 0x00000004) != 0),
                getParentForChildren(),
                isClean());
        acceleratorConfigs_ = null;
      }
      return acceleratorConfigsBuilder_;
    }
<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