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

      size = 0;
      if (scaleOut_ != 0) {
        size += com.google.protobuf.CodedOutputStream.computeInt32Size(1, scaleOut_);
      }
      if (scaleIn_ != 0) {
        size += com.google.protobuf.CodedOutputStream.computeInt32Size(2, scaleIn_);
      }
      size += getUnknownFields().getSerializedSize();
      memoizedSize = size;
      return size;
    }
<pre>
Required. The utilization triggering the scale-in operation in percent.
</pre>

<code>int32 scale_in = 2 [(.google.api.field_behavior) = REQUIRED];</code>

@return The scaleIn.
java-vmwareengine/proto-google-cloud-vmwareengine-v1/src/main/java/com/google/cloud/vmwareengine/v1/AutoscalingSettings.java