e.
 <p>
 A property allows filters and interceptors to exchange
 additional custom information not already provided by this interface.
 </p>
 <p>
 A list of supported properties can be retrieved using <a href="../../../../javax/ws/rs/container/ContainerRequestContext.html#getPropertyNames--"><code>getPropertyNames()</code></a>.
 Custom property names should follow the same convention as package names.
 </p>
 <p>
 In a Servlet container, the properties are synchronized with the <code>ServletRequest</code>
 a