public SubjectDetail withLastSeenAt(java.util.Date lastSeenAt) {
        setLastSeenAt(lastSeenAt);
        return this;
    }
<p>
The ISO-8601 timestamp of the last time this subject requested temporary session credentials.
</p>

@param lastSeenAt
       The ISO-8601 timestamp of the last time this subject requested temporary session credentials.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-iamrolesanywhere/src/main/java/com/amazonaws/services/iamrolesanywhere/model/SubjectDetail.java