 an account will export a wildcard service but then coordinate with a client account on specific subjects where requests will be answered. On our example, account <code>C</code> access the service on <code>pubq.C</code> (but has mapped it for simplicity to <code>Q</code>).</li>
<li>stream <code>b.&gt;</code> is private, only account <code>B</code> can receive messages from the stream.</li>
<li>service <code>q.b</code> is private; only account <code>B</code> can send requests to the service.</li>
<li>When <c