@java.lang.Override
    public com.google.cloud.tpu.v2alpha1.QueuedResource.SpotOrBuilder getSpotOrBuilder() {
      if ((tierCase_ == 9) && (spotBuilder_ != null)) {
        return spotBuilder_.getMessageOrBuilder();
      } else {
        if (tierCase_ == 9) {
          return (com.google.cloud.tpu.v2alpha1.QueuedResource.Spot) tier_;
        }
        return com.google.cloud.tpu.v2alpha1.QueuedResource.Spot.getDefaultInstance();
      }
    }
<pre>
Optional. The Spot tier.
</pre>

<code>
.google.cloud.tpu.v2alpha1.QueuedResource.Spot spot = 9 [(.google.api.field_behavior) = OPTIONAL];
</code>
java-tpu/proto-google-cloud-tpu-v2alpha1/src/main/java/com/google/cloud/tpu/v2alpha1/QueuedResource.java