FriendsOfSymfony / FOSElasticaBundle

            'order' => $this->getSortDirection($sortField, $options),

        ];

        if (isset($options['sortNestedPath'])) {

            $path = is_callable($options['sortNestedPath']) ?

                $options['sortNestedPath']($sortField) : $options['sortNestedPath'];

            if (!empty($path)) {

                $sort['nested_path'] = $path;

            }

        }

        if (isset($options['sortNestedFilter'])) {

            $filter = is_callable($options['sortNestedFilter']) ?

            }

        }

        if (isset($options['sortNestedFilter'])) {

            $filter = is_callable($options['sortNestedFilter']) ?

                $options['sortNestedFilter']($sortField) : $options['sortNestedFilter'];

            if (!empty($filter)) {

                $sort['nested_filter'] = $filter;

            }

        }

        return $sort;

    }