wikimedia/mediawiki-extensions-CirrusSearch

<?php

namespace CirrusSearch\Search;

/**
 * Base class for result type implementations.
 */
abstract class BaseResultsType implements ResultsType {

    /**
     * @return false|string|array corresponding to Elasticsearch source filtering syntax
     */
    public function getSourceFiltering() {
        return [ 'namespace', 'title', 'namespace_text', 'wiki' ];
    }
}