The number of records is mandatory, so should never be null.

danmichaelo · danmichaelo · commit cb751e84c09a · 2019-01-28T15:25:14.000+01:00
diff --git a/src/Records.php b/src/Records.php
@@ -48,7 +48,7 @@ public function __construct($cql, Client $client, $count = 10, $extraParams = ar
     /**
      * Return the number of records
      *
-     * @return int|null
+     * @return int
      */
     public function numberOfRecords()
     {

Original file line number	Diff line number	Diff line change
`@@ -48,7 +48,7 @@ public function __construct($cql, Client $client, $count = 10, $extraParams = ar`
`48`	`48`	`/**`
`49`	`49`	`* Return the number of records`
`50`	`50`	`*`
`51`		`- * @return int\|null`
	`51`	`+ * @return int`
`52`	`52`	`*/`
`53`	`53`	`public function numberOfRecords()`
`54`	`54`	`{`