public Date getLastActive() {
        return lastActive;
    }
Returns the date and time that this user was last logged in, or null if
this user has never logged in or this information is unavailable.

@return
    The date and time that this user was last logged in, or null if this
    user has never logged in or this information is unavailable.
guacamole/src/main/java/org/apache/guacamole/rest/user/APIUser.java