title: Alternative of richfaces components in primefaces
body: <p>I am currently trying to migrate out project from RichFaces 3.0 to PrimeFaces 6.0, but I did not find some components in PrimeFaces like these.</p>
  
  <ul>
  <li><a href="https://docs.jboss.org/richfaces/latest_3_3_X/en/devguide/html/a4j_region.html" rel="noreferrer">a4j:region</a> </li>
  <li><a href="https://docs.jboss.org/richfaces/latest_3_3_X/en/devguide/html/rich_componentControl.html" rel="noreferrer">rich:componentControl</a></li>
  <li><a href="http://showcase.richfaces.org/richfaces/component-sample.jsf?demo=hashParam&amp;skin=wine" rel="noreferrer">rich:hashParam</a></li>
  </ul>