public void setUpdatedEarlierThan(java.util.Date updatedEarlierThan) {
        this.updatedEarlierThan = updatedEarlierThan;
    }
<p>
The timestamp identifier used for the latest <code>PUT</code> or <code>DELETE</code> action for mapping users to
their groups.
</p>

@param updatedEarlierThan
       The timestamp identifier used for the latest <code>PUT</code> or <code>DELETE</code> action for mapping
       users to their groups.
aws-java-sdk-qbusiness/src/main/java/com/amazonaws/services/qbusiness/model/ListGroupsRequest.java