@java.lang.Override
  public Builder newBuilderForType() {
    return newBuilder();
  }
<pre>
Optional. The minimum duration between consecutive autoscale operations.
It starts once addition or removal of nodes is fully completed.
Defaults to 30 minutes if not specified. Cool down period must be in whole
minutes (for example, 30, 31, 50, 180 minutes).
</pre>

<code>.google.protobuf.Duration cool_down_period = 4 [(.google.api.field_behavior) = OPTIONAL];
</code>
java-vmwareengine/proto-google-cloud-vmwareengine-v1/src/main/java/com/google/cloud/vmwareengine/v1/AutoscalingSettings.java