foo::registerFilter('baz', 'PARAMS', function($params) { $params['data'][] = 'FILTER DATA #1'; return $params; });
	foo::registerFilter('baz', 'RETURN', function($result) { $result[] = 'FILTER RESULT #1'; return $result; });
	foo::registerMethod('baz', function($data)
	{
		$data = 'called baz('.$data.')';
		$data = (array) $data;
		return static::aspectable('baz', get_defined_vars(), function($data, $bla = NULL)
		{
			$data[] = __METHOD__;
			return $data;
		});
	});

	var_dump(foo::baz('hello'));
/*
array(4) {
  [0]=>
  string(17) "called baz(hello)"
  [1]=>
  string(14) "FILTER DATA #1"
  [2]=>
  string(14) "root\{closure}"
  [3]=>
  string(16) "FILTER RESULT #1"
}
*/
	
	foo::registerMethodProto('baz', function($data, $bla = NULL)
	{
		$data[] = 'new proto: '.__METHOD__;
		return $data;
	});

	var_dump(foo::baz('hello'));
/*
array(4) {
  [0]=>
  string(17) "called baz(hello)"
  [1]=>
  string(14) "FILTER DATA #1"
  [2]=>
  string(25) "new proto: root\{closure}"
  [3]=>
  string(16) "FILTER RESULT #1"
}
*/