modules/jooby-pac4j/src/main/java/org/jooby/pac4j/Auth.java
@SuppressWarnings("rawtypes")
  public Auth authorizer(final String name, final String pattern,
      final Class<? extends Authorizer> authorizer) {
    authorizer(authorizer, name, pattern);
    return this;
  }
@SuppressWarnings("rawtypes")
  public Auth authorizer(final String name, final String pattern,
      final Class<? extends Authorizer> authorizer) {
    authorizer(authorizer, name, pattern);
    return this;
  }
Protect one or more urls with an {@link Authorizer}. For example:
<pre>
{
use(new Auth()
.form("*")
.authorizer("admin", "/admin/**", MyAuthorizer.class)
);
}
</pre>
<p>
Previous example will protect any url with form authentication and require and admin role for
<code>/admin/</code> or subpath of it.
</p>
<p>
NOTE: make sure url is protected by one pac4j client.
</p>

@param name Authorizer name.
@param pattern URL pattern to protected.
@param authorizer Authorizer to apply.
@return This module.