public void setLastUpdatedDateTime(java.util.Date lastUpdatedDateTime) {
        this.lastUpdatedDateTime = lastUpdatedDateTime;
    }
<p>
The date and time that the Region description was last updated.
</p>

@param lastUpdatedDateTime
       The date and time that the Region description was last updated.
aws-java-sdk-directory/src/main/java/com/amazonaws/services/directory/model/RegionDescription.java