@java.lang.Override
      public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
        if (total_ != 0L) {
          output.writeInt64(1, total_);
        }
        getUnknownFields().writeTo(output);
      }
<pre>
The real-time value of usage within the reservation, with the unit
specified in field capacity_units.
</pre>

<code>int64 total = 1;</code>

@return The total.
java-tpu/proto-google-cloud-tpu-v2alpha1/src/main/java/com/google/cloud/tpu/v2alpha1/Reservation.java