public AutoTuneStatus withUpdateDate(java.util.Date updateDate) {
        setUpdateDate(updateDate);
        return this;
    }
<p>
Date and time when the Auto-Tune options were last updated for the domain.
</p>

@param updateDate
       Date and time when the Auto-Tune options were last updated for the domain.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-opensearch/src/main/java/com/amazonaws/services/opensearch/model/AutoTuneStatus.java