private com.google.protobuf.RepeatedFieldBuilderV3<
            com.google.cloud.tpu.v2.AttachedDisk,
            com.google.cloud.tpu.v2.AttachedDisk.Builder,
            com.google.cloud.tpu.v2.AttachedDiskOrBuilder>
        getDataDisksFieldBuilder() {
      if (dataDisksBuilder_ == null) {
        dataDisksBuilder_ =
            new com.google.protobuf.RepeatedFieldBuilderV3<
                com.google.cloud.tpu.v2.AttachedDisk,
                com.google.cloud.tpu.v2.AttachedDisk.Builder,
                com.google.cloud.tpu.v2.AttachedDiskOrBuilder>(
                dataDisks_, ((bitField0_ & 0x00040000) != 0), getParentForChildren(), isClean());
        dataDisks_ = null;
      }
      return dataDisksBuilder_;
    }
<pre>
The additional data disks for the Node.
</pre>

<code>repeated .google.cloud.tpu.v2.AttachedDisk data_disks = 41;</code>
java-tpu/proto-google-cloud-tpu-v2/src/main/java/com/google/cloud/tpu/v2/Node.java