Deny access to guests to search on customers
$acl->deny('guests', 'customers', 'search');
Deny access to guests to search or create on customers
$acl->deny('guests', 'customers', ['search', 'create']);
Deny access to any role to browse on products
$acl->deny('*', 'products', 'browse');
Deny access to any role to browse on any resource
$acl->deny('*', '*', 'browse');
public function deny($roleName, $resourceName, $access, $func = null)
{
$this->allowOrDeny($roleName, $resourceName, $access, Acl::DENY);
}