Fixed some deprecations.

src/Services/Attachments/AttachmentManager.php

@@ -163,11 +163,11 @@ class AttachmentManager
      * Returns a human readable version of the attachment file size.
      * For external attachments, null is returned.
      *
-     * @param int $decimals The number of decimals numbers that should be printed
+     * @param  int  $decimals The number of decimals numbers that should be printed
      *
      * @return string|null A string like 1.3M
      */
-    public function getHumanFileSize(Attachment $attachment, $decimals = 2): ?string
+    public function getHumanFileSize(Attachment $attachment, int $decimals = 2): ?string
     {
         $bytes = $this->getFileSize($attachment);
 

src/Services/CustomEnvVarProcessor.php

@@ -48,7 +48,7 @@ use Symfony\Component\DependencyInjection\Exception\EnvNotFoundException;
 
 final class CustomEnvVarProcessor implements EnvVarProcessorInterface
 {
-    public function getEnv($prefix, $name, Closure $getEnv)
+    public function getEnv($prefix, $name, Closure $getEnv): bool
     {
         if ('validMailDSN' === $prefix) {
             try {

src/Services/EntityImporter.php

@@ -228,9 +228,9 @@ class EntityImporter
      * This functions corrects the parent setting based on the children value of the parent.
      *
      * @param iterable                         $entities the list of entities that should be fixed
-     * @param AbstractStructuralDBElement|null $parent   the parent, to which the entity should be set
+     * @param  AbstractStructuralDBElement|null  $parent   the parent, to which the entity should be set
      */
-    protected function correctParentEntites(iterable $entities, $parent = null): void
+    protected function correctParentEntites(iterable $entities, AbstractStructuralDBElement $parent = null): void
     {
         foreach ($entities as $entity) {
             /** @var AbstractStructuralDBElement $entity */

src/Services/MoneyFormatter.php

@@ -62,10 +62,10 @@ class MoneyFormatter
      *
      * @param string|float  $value           the value that should be formatted
      * @param Currency|null $currency        The currency that should be used for formatting. If null the global one is used
-     * @param int           $decimals        the number of decimals that should be shown
+     * @param  int  $decimals        the number of decimals that should be shown
      * @param bool          $show_all_digits if set to true, all digits are shown, even if they are null
      */
-    public function format($value, ?Currency $currency = null, $decimals = 5, bool $show_all_digits = false): string
+    public function format($value, ?Currency $currency = null, int $decimals = 5, bool $show_all_digits = false): string
     {
         $iso_code = $this->base_currency;
         if (null !== $currency && !empty($currency->getIsoCode())) {

src/Services/StructuralElementRecursionHelper.php

@@ -62,10 +62,10 @@ class StructuralElementRecursionHelper
      *                                                      $func has the signature function(StructuralDBElement $element) : void
      * @param int                         $max_depth        The maximum depth for which should be recursivly called. So if this is set to 5, after the
      *                                                      5th level the execution is stopped.
-     * @param bool                        $call_from_bottom If set to true the bottom elements (elements with high level) will be called first.
+     * @param  bool  $call_from_bottom If set to true the bottom elements (elements with high level) will be called first.
      *                                                      Set to false if you want to call the top elements first.
      */
-    public function execute(AbstractStructuralDBElement $element, callable $func, int $max_depth = -1, $call_from_bottom = true): void
+    public function execute(AbstractStructuralDBElement $element, callable $func, int $max_depth = -1, bool $call_from_bottom = true): void
     {
         //Cancel if we reached our maximal allowed level. Must be zero because -1 is infinity levels
         if (0 === $max_depth) {

src/Services/TranslationExtractor/PermissionExtractor.php

@@ -103,9 +103,9 @@ final class PermissionExtractor implements ExtractorInterface
     /**
      * Sets the prefix that should be used for new found messages.
      *
-     * @param string $prefix The prefix
+     * @param  string  $prefix The prefix
      */
-    public function setPrefix($prefix)
+    public function setPrefix(string $prefix): string
     {
         return '';
     }