.getFacesConfigurationProviderFactory(externalContext).getFacesConfigurationProvider(externalContext);
FacesConfigDispenser dispenser = new DigesterFacesConfigDispenserImpl();
// standard-faces-config.xml
dispenser.feed(facesConfigProvider.getStandardFacesConfig(externalContext));
// META-INF/services/[factory name] factory definitions
dispenser.feed(facesConfigProvider.getMetaInfServicesFacesConfig(externalContext));
// WEB-INF/faces-config.xml