ations on the declaration of the artifact that will be initialized with the
 produced instance. E.g. if the message body is to be converted into a method parameter, this will be the annotations
 on that parameter returned by <code>Class.getParameterAnnotations</code>.</dd>
<dd><code>mediaType</code> - the media type of the data that will be read.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a MessageBodyReader that matches the supplied criteria or <code>null</code> if none is found.</dd>
</dl