private com.google.protobuf.RepeatedFieldBuilderV3<
            com.google.cloud.tpu.v2.GuestAttributes,
            com.google.cloud.tpu.v2.GuestAttributes.Builder,
            com.google.cloud.tpu.v2.GuestAttributesOrBuilder>
        getGuestAttributesFieldBuilder() {
      if (guestAttributesBuilder_ == null) {
        guestAttributesBuilder_ =
            new com.google.protobuf.RepeatedFieldBuilderV3<
                com.google.cloud.tpu.v2.GuestAttributes,
                com.google.cloud.tpu.v2.GuestAttributes.Builder,
                com.google.cloud.tpu.v2.GuestAttributesOrBuilder>(
                guestAttributes_,
                ((bitField0_ & 0x00000001) != 0),
                getParentForChildren(),
                isClean());
        guestAttributes_ = null;
      }
      return guestAttributesBuilder_;
    }
<pre>
The guest attributes for the TPU workers.
</pre>

<code>repeated .google.cloud.tpu.v2.GuestAttributes guest_attributes = 1;</code>
java-tpu/proto-google-cloud-tpu-v2/src/main/java/com/google/cloud/tpu/v2/GetGuestAttributesResponse.java