@java.lang.Override
      public int getScaleOutSize() {
        return scaleOutSize_;
      }
<pre>
Required. Number of nodes to add to a cluster during a scale-out
operation. Must be divisible by 2 for stretched clusters. During a
scale-in operation only one node (or 2 for stretched clusters) are
removed in a single iteration.
</pre>

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

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