public String getUpgradeStepStatus() {
        return this.upgradeStepStatus;
    }
<p>
The status of a particular step during an upgrade. The status can take one of the following values:
<ul>
<li>In Progress</li>
<li>Succeeded</li>
<li>Succeeded with Issues</li>
<li>Failed</li>
</ul>
</p>

@return The status of a particular step during an upgrade. The status can take one of the following values:
        <ul>
        <li>In Progress</li>
        <li>Succeeded</li>
        <li>Succeeded with Issues</li>
        <li>Failed</li>
        </ul>
@see UpgradeStatus
aws-java-sdk-elasticsearch/src/main/java/com/amazonaws/services/elasticsearch/model/UpgradeStepItem.java