/**
	 * Returns an array of multi-language sites
	 * db suffix => db suffix, iw prefix, hostname
	 * @returns array
	 */
	protected function getSites() {
		return array(
			'wiki' => new WMFSite( 'wiki', 'w', 'wikipedia.org' ),
			'wiktionary' => new WMFSite( 'wiktionary', 'wikt', 'wiktionary.org' ),
			'wikiquote' => new WMFSite( 'wikiquote', 'q', 'wikiquote.org' ),
			'wikibooks' => new WMFSite( 'wikibooks', 'b', 'wikibooks.org' ),
			'wikinews' => new WMFSite( 'wikinews', 'n', 'wikinews.org' ),
			'wikisource' => new WMFSite( 'wikisource', 's', 'wikisource.org' ),
			'wikimedia' => new WMFSite( 'wikimedia', 'chapter', 'wikimedia.org' ),
			'wikiversity' => new WMFSite( 'wikiversity', 'v', 'wikiversity.org' ),
			'wikivoyage' => new WMFSite( 'wikivoyage', 'voy', 'wikivoyage.org' ),
		);
	}

	/**
	 * Returns an array of extra global interwiki links that can't be in the
	 * intermap for some reason
	 * @returns array
	 */
	protected function getExtraLinks() {
		return array(
			array( 'm', $this->urlprotocol . '//meta.wikimedia.org/wiki/$1', 1 ),
			array( 'meta', $this->urlprotocol . '//meta.wikimedia.org/wiki/$1', 1 ),
			array( 'sep11', $this->urlprotocol . '//sep11.wikipedia.org/wiki/$1', 1 ),
			array( 'd', $this->urlprotocol . '//www.wikidata.org/wiki/$1', 1 ),
		);
	}

	/**
	 * Additional links to provide for the needs of the different projects
	 * @param string $project The site (e.g. wikibooks)
	 * @returns array
	 */
	protected function getAdditionalLinks( $project ) {
		switch( $project ) {
			case 'wikisource':
				return array(
					array( 'mul', $this->urlprotocol . '//wikisource.org/wiki/$1', 1 ),
				);
			case 'wikiversity':
				return array(
					array( 'mul', $this->urlprotocol . '//beta.wikiversity.org/wiki/$1', 1 ),
				);
			case 'wiki':
				return array(
					array( 'w', $this->urlprotocol . '//en.wikipedia.org/wiki/$1', 1 ),
				);
			default:
				return array();
		}
	}