public com.google.cloud.tpu.v2alpha1.Reservation.Standard.Builder getStandardBuilder() {
      return getStandardFieldBuilder().getBuilder();
    }
<pre>
A standard reservation.
</pre>

<code>.google.cloud.tpu.v2alpha1.Reservation.Standard standard = 2;</code>
java-tpu/proto-google-cloud-tpu-v2alpha1/src/main/java/com/google/cloud/tpu/v2alpha1/Reservation.java