public Builder clearGuaranteed() {
      if (guaranteedBuilder_ == null) {
        if (tierCase_ == 4) {
          tierCase_ = 0;
          tier_ = null;
          onChanged();
        }
      } else {
        if (tierCase_ == 4) {
          tierCase_ = 0;
          tier_ = null;
        }
        guaranteedBuilder_.clear();
      }
      return this;
    }
<pre>
The Guaranteed tier.
</pre>

<code>.google.cloud.tpu.v2alpha1.QueuedResource.Guaranteed guaranteed = 4;</code>
java-tpu/proto-google-cloud-tpu-v2alpha1/src/main/java/com/google/cloud/tpu/v2alpha1/QueuedResource.java