wikimedia/mediawiki-extensions-Wikibase

<?php

namespace Wikibase\Repo\ParserOutput\PlaceholderExpander;

/**
 * @license GPL-2.0-or-later
 */
interface PlaceholderExpander {

    /**
     * @param string $placeholderName
     *
     * @return string html
     */
    public function getHtmlForPlaceholder( $placeholderName ): string;

}