erverAuthConfig object establishes the request and response MessagePolicy objects that are passed to the
 encapsulated modules when they are initialized by the returned ServerAuthContext instance. It is the modules'
 responsibility to enforce these policies when invoked.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>authContextID</code> - An identifier used to index the provided <i>config</i>, or null. This value must be identical to
 the value returned by the <code>getAuthContex