acl.deny(Acl.Group.OWNER, Acl.Permission.WRITE);
Assert.assertTrue(acl.isDenied(Acl.Group.OWNER, Acl.Permission.WRITE));
// Allow rights
Acl.Permission[] rights = {Acl.Permission.READ, Acl.Permission.WRITE};
acl.allow(Acl.Group.AUTHORIZED, rights);
Assert.assertTrue(acl.isAllowed(Acl.Group.AUTHORIZED, Acl.Permission.WRITE));
Assert.assertTrue(acl.isAllowed(Acl.Group.AUTHORIZED, Acl.Permission.READ));
// Deny rights
acl.deny(Acl.Group.AUTHORIZED, rights);