protected static function _items($class, $method, $options) {
		$defaults = ['names' => [], 'self' => true, 'public' => true];
		$options += $defaults;

		$params = [
			'getProperties' => ReflectionProperty::IS_PUBLIC | (
				$options['public'] ? 0 : ReflectionProperty::IS_PROTECTED
			)
		];
		$data = isset($params[$method]) ? $class->{$method}($params[$method]) : $class->{$method}();

		if (!empty($options['names'])) {
			$data = array_filter($data, function($item) use ($options) {
				return in_array($item->getName(), (array) $options['names']);
			});
		}

		if ($options['self']) {
			$data = array_filter($data, function($item) use ($class) {
				return ($item->getDeclaringClass()->getName() === $class->getName());
			});
		}

		if ($options['public']) {
			$data = array_filter($data, function($item) { return $item->isPublic(); });
		}
		return static::_instance('collection', compact('data'));
	}