public void tryCreateAnonymousClient(final Collection<Client> clients) {
        val anonymous = getProperty(ANONYMOUS);
        if (StringUtils.isNotBlank(anonymous)) {
            clients.add(new AnonymousClient());
        }
    }
<p>tryCreateAnonymousClient.</p>

@param clients a {@link java.util.List} object
pac4j-config/src/main/java/org/pac4j/config/builder/DirectClientBuilder.java