@Override
    protected Action getExecuteAction(@Nonnull final SessionData data) {
        return Action.complete;
    }
Command that allows to retrieve a list of all active users.

@author Gaston Dombiak
@see <a href="https://xmpp.org/extensions/xep-0133.html#get-active-users-list">XEP-0133 Service Administration: Get List of Active Users</a>
xmppserver/src/main/java/org/jivesoftware/openfire/commands/admin/GetListActiveUsers.java