Resolve #3427215 "Address phpstan and"

.cspell-project-words.txt

+Elementtype
+GABB
+gabb
+getelementtype
+getwrapperelement
+rudiedirkx
+Wrapperelement

src/Plugin/views/field/Fieldset.php

@@ -28,6 +28,7 @@ class Fieldset extends FieldPluginBase {
       $parents[] = $parent;
       $current_field = $parent;
     }
+
     return $parents;
   }
 

src/RowFieldset.php

@@ -48,7 +48,7 @@ class RowFieldset {
    * @param string $name
    *   Method's name.
    */
-  public function __isset($name) {
+  public function __isset(string $name) {
     return TRUE;
   }
 
@@ -58,7 +58,7 @@ class RowFieldset {
    * @param string $name
    *   Method's name.
    */
-  public function __get($name) {
+  public function __get(string $name) {
     $method_name = 'get' . Unicode::ucwords($name);
     if (is_callable($method = [$this, $method_name])) {
       return call_user_func($method);
@@ -118,7 +118,7 @@ class RowFieldset {
     if ($this->handler->options['collapsed'] && $this->getWrapperType() != 'div') {
       $element['#attributes']['class'][] = 'collapsed';
     }
-
+    // @phpstan-ignore-next-line
     return \Drupal::service('renderer')->render($element);
   }
 

views_fieldsets.module

@@ -94,7 +94,7 @@ function views_fieldsets_views_ui_display_tab_alter(&$build, ViewUI $ui_view, $d
   if (Fieldset::isFieldsetView($view)) {
     $fieldsets = Fieldset::getAllFieldsets($view);
     foreach ($build['details']['columns']['first']['fields']['fields'] as $field_name => &$renderable) {
-      // Noticable fieldsets.
+      // Noticeable fieldsets.
       if (isset($fieldsets[$field_name])) {
         $renderable['#class'][] = 'views-fieldsets-fieldset';
       }