,
 or <a href="../../../javax/ws/rs/HeaderParam.html" title="annotation in javax.ws.rs"><code>HeaderParam</code></a>.
 The default value is used if the corresponding meta-data is not present in the
 request.
 <p>
 If the type of the annotated parameter is <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util"><code>List</code></a>,
 <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or