@Target(value=METHOD)
@Retention(value=RUNTIME)
public @interface XmlHeader

Allows to specify XML header for XML output produced by a resource method it is attached to.

Example usage:

 @GET
 @Produces("application/xml")
 @XmlHeader("<?xml-stylesheet type='text/xsl' href='foobar.xsl' ?>")
 public JaxbBean get() {
     ...
 }