@java.lang.Override
        public Builder clear() {
          super.clear();
          bitField0_ = 0;
          total_ = 0L;
          return this;
        }
<pre>
Usage details of a reservation.
</pre>

Protobuf type {@code google.cloud.tpu.v2alpha1.Reservation.Standard.Usage}
java-tpu/proto-google-cloud-tpu-v2alpha1/src/main/java/com/google/cloud/tpu/v2alpha1/Reservation.java