s--"><code>getPropertyNames()</code></a>.
 Custom property names should follow the same convention as package names.
 </p>
 <p>
 If a <code>null</code> value is passed, the effect is the same as calling the
 <a href="../../../../javax/ws/rs/container/ContainerRequestContext.html#removeProperty-java.lang.String-"><code>removeProperty(String)</code></a> method.
 </p>
 <p>
 In a Servlet container, the properties are synchronized with the <code>ServletRequest</code>
 and expose all the attributes available in t