Version 5.0.13

system/Extensions/OverviewStatisticsAbstract.php

@@ -82,4 +82,17 @@ abstract class OverviewStatisticsAbstract
 
 		return null;
 	}
+
+	/**
+	 * Note: this method must be overridden in extension instances. Returning an empty array will exclude this block from the CSV download.
+	 *
+	 * @param null|array|string     $dateRange=null
+	 * @param null|string           $subBlock=null
+	 *
+	 * @return array|null
+	 */
+	public function getBlockNumbers( array|string $dateRange = null, string $subBlock = null ) : array|null
+	{
+		return null;
+	}
 }