Issue #3483299 by tstoeckler, mstrelan, nicxvan: Add void return type to all preprocess hook implementations

1 files changed, 4 insertions, 4 deletions

diff --git a/core/modules/file/file.module b/core/modules/file/file.module
index 9ade447d83e..724be28393c 100644
--- a/core/modules/file/file.module
+++ b/core/modules/file/file.module
@@ -402,7 +402,7 @@ function file_managed_file_save_upload($element, FormStateInterface $form_state)
  *   An associative array containing:
  *   - element: A render element representing the file.
  */
-function template_preprocess_file_managed_file(&$variables) {
+function template_preprocess_file_managed_file(&$variables): void {
   $element = $variables['element'];
 
   $variables['attributes'] = [];
@@ -427,7 +427,7 @@ function template_preprocess_file_managed_file(&$variables) {
  *   - description: A description to be displayed instead of the filename.
  *   - attributes: An associative array of attributes to be placed in the a tag.
  */
-function template_preprocess_file_link(&$variables) {
+function template_preprocess_file_link(&$variables): void {
   $file = $variables['file'];
   $options = [];
 
@@ -473,7 +473,7 @@ function template_preprocess_file_link(&$variables) {
  *   An associative array containing:
  *   - element: A render element representing the widgets.
  */
-function template_preprocess_file_widget_multiple(&$variables) {
+function template_preprocess_file_widget_multiple(&$variables): void {
   $element = $variables['element'];
   // Special ID and classes for draggable tables.
   $weight_class = $element['#id'] . '-weight';
@@ -589,7 +589,7 @@ function template_preprocess_file_widget_multiple(&$variables) {
  *   - upload_validators: An array of upload validators as used in
  *     $element['#upload_validators'].
  */
-function template_preprocess_file_upload_help(&$variables) {
+function template_preprocess_file_upload_help(&$variables): void {
   $description = $variables['description'];
   $upload_validators = $variables['upload_validators'];
   $cardinality = $variables['cardinality'];