public Builder setStandard(com.google.cloud.tpu.v2alpha1.Reservation.Standard value) {
      if (standardBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        kind_ = value;
        onChanged();
      } else {
        standardBuilder_.setMessage(value);
      }
      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