trying to fix phpstan errors

Author: OzanKurt

composer.json

@@ -23,8 +23,7 @@
   },
   "require-dev": {
     "nunomaduro/larastan": "^2.1",
-    "orchestra/testbench": "^7.3",
-    "yajra/laravel-datatables-html": "^9.0"
+    "orchestra/testbench": "^7.3"
   },
   "suggest": {
     "yajra/laravel-datatables-buttons": "Plugin for server-side exporting of dataTables.",

src/DataTables.php

@@ -112,6 +112,7 @@ public function getConfig()
      */
     public function query(QueryBuilder $builder): QueryDataTable
     {
+        /** @var string */
         $dataTable = config('datatables.engines.query');
 
         $this->validateDataTable($dataTable, QueryDataTable::class);
@@ -127,6 +128,7 @@ public function query(QueryBuilder $builder): QueryDataTable
      */
     public function eloquent(EloquentBuilder $builder): EloquentDataTable
     {
+        /** @var string */
         $dataTable = config('datatables.engines.eloquent');
 
         $this->validateDataTable($dataTable, EloquentDataTable::class);
@@ -142,6 +144,7 @@ public function eloquent(EloquentBuilder $builder): EloquentDataTable
      */
     public function collection($collection): CollectionDataTable
     {
+        /** @var string */
         $dataTable = config('datatables.engines.collection');
 
         $this->validateDataTable($dataTable, CollectionDataTable::class);
@@ -173,7 +176,7 @@ public function getHtmlBuilder()
      *
      * @throws \Yajra\DataTables\Exceptions\Exception
      */
-    public function validateDataTable(string $engine, string $parent)
+    public function validateDataTable(string $engine, string $parent): void
     {
         if (! ($engine == $parent || is_subclass_of($engine, $parent))) {
             $this->throwInvalidEngineException($engine, $parent);
@@ -184,9 +187,11 @@ public function validateDataTable(string $engine, string $parent)
      * @param string $engine
      * @param string $parent
      *
+     * @return void
+     *
      * @throws \Yajra\DataTables\Exceptions\Exception
      */
-    public function throwInvalidEngineException(string $engine, string $parent)
+    public function throwInvalidEngineException(string $engine, string $parent): void
     {
         throw new Exception("The given datatable engine `{$engine}` is not compatible with `{$parent}`.");
     }