/**
* Converts a dimensions array about a potentially multipage document from an
* exhaustive list of ordered page numbers to a list of page ranges
- * @param Array $pagesByDimensions
- * @return String
+ * @param array $pagesByDimensions
+ * @return string
* @since 1.30
*/
public static function getPageRangesByDimensions( $pagesByDimensions ) {