public Integer getCheckpointDelay() {
        return this.checkpointDelay;
    }
<p>
(Optional) The amount of time, in seconds, to wait after a checkpoint before continuing. This property is
optional, but if you specify a value for it, you must also specify a value for <code>CheckpointPercentages</code>
. If you specify a value for <code>CheckpointPercentages</code> and not for <code>CheckpointDelay</code>, the
<code>CheckpointDelay</code> defaults to <code>3600</code> (1 hour).
</p>

@return (Optional) The amount of time, in seconds, to wait after a checkpoint before continuing. This property is
        optional, but if you specify a value for it, you must also specify a value for
        <code>CheckpointPercentages</code>. If you specify a value for <code>CheckpointPercentages</code> and not
        for <code>CheckpointDelay</code>, the <code>CheckpointDelay</code> defaults to <code>3600</code> (1
        hour).
aws-java-sdk-autoscaling/src/main/java/com/amazonaws/services/autoscaling/model/RefreshPreferences.java