Issue #3249405 by Malgoroth, Grimreaper: Phpstan Errors Fix

/**

 * Implements template_preprocess_image_formatter().

 */

function animated_gif_preprocess_image_formatter(&$variables) {

function animated_gif_preprocess_image_formatter(array &$variables) : void {

  $image = $variables['item'];

  $imageValues = $image->getValue();

  $file = File::load($imageValues['target_id']);

/**

 * Implements template_preprocess_responsive_image_formatter().

 */

function animated_gif_preprocess_responsive_image_formatter(&$variables) {

function animated_gif_preprocess_responsive_image_formatter(array &$variables) : void {

  $image = $variables['item'];

  $imageValues = $image->getValue();

  $file = File::load($imageValues['target_id']);

/**

 * Implements template_preprocess_image_style().

 */

function animated_gif_preprocess_image_style(&$variables) {

function animated_gif_preprocess_image_style(array &$variables) : void {

  // File entity ID is not available here so we need to load it by URI.

  $files = \Drupal::entityTypeManager()

    ->getStorage('file')

/**

 * Implements template_preprocess_responsive_image().

 */

function animated_gif_preprocess_responsive_image(&$variables) {

function animated_gif_preprocess_responsive_image(array &$variables) : void {

  // File entity ID is not available here so we need to load it by URI.

  $files = \Drupal::entityTypeManager()

    ->getStorage('file')

/**

 * Implements hook_field_widget_WIDGET_TYPE_form_alter().

 */

function animated_gif_field_widget_image_image_form_alter(&$element, FormStateInterface $form_state, $context) {

function animated_gif_field_widget_image_image_form_alter(array &$element, FormStateInterface $form_state, array $context) : void {

  if (!empty($element['#default_value']['fids'])) {

    $fid = reset($element['#default_value']['fids']);

    $file = File::load($fid);