public Builder setStandard(
        com.google.cloud.tpu.v2alpha1.Reservation.Standard.Builder builderForValue) {
      if (standardBuilder_ == null) {
        kind_ = builderForValue.build();
        onChanged();
      } else {
        standardBuilder_.setMessage(builderForValue.build());
      }
      kindCase_ = 2;
      return this;
    }
<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