@java.lang.Override
  public int getSerializedSize() {
    int size = memoizedSize;
    if (size != -1) return size;

    size = 0;
    if (totalBytes_ != 0L) {
      size += com.google.protobuf.CodedOutputStream.computeInt64Size(1, totalBytes_);
    }
    if (replicatedBytes_ != 0L) {
      size += com.google.protobuf.CodedOutputStream.computeInt64Size(2, replicatedBytes_);
    }
    if (lastTwoMinutesAverageBytesPerSecond_ != 0L) {
      size +=
          com.google.protobuf.CodedOutputStream.computeInt64Size(
              3, lastTwoMinutesAverageBytesPerSecond_);
    }
    if (lastThirtyMinutesAverageBytesPerSecond_ != 0L) {
      size +=
          com.google.protobuf.CodedOutputStream.computeInt64Size(
              4, lastThirtyMinutesAverageBytesPerSecond_);
    }
    size += getUnknownFields().getSerializedSize();
    memoizedSize = size;
    return size;
  }
<pre>
The source disks replication rate for the last 30 minutes in bytes per
second.
</pre>

<code>int64 last_thirty_minutes_average_bytes_per_second = 4;</code>

@return The lastThirtyMinutesAverageBytesPerSecond.
java-vmmigration/proto-google-cloud-vmmigration-v1/src/main/java/com/google/cloud/vmmigration/v1/ReplicatingStep.java