public static com.google.protobuf.Parser<Guaranteed> parser() {
      return PARSER;
    }
<pre>
Optional. Specifies the request should be scheduled on reserved capacity.
</pre>

<code>bool reserved = 2 [(.google.api.field_behavior) = OPTIONAL];</code>

@return This builder for chaining.
java-tpu/proto-google-cloud-tpu-v2alpha1/src/main/java/com/google/cloud/tpu/v2alpha1/QueuedResource.java