[Components] Convert to native return types

Author: wouterj

OptionsResolver.php

@@ -490,7 +490,7 @@ public function isDeprecated(string $option): bool
      * @throws UndefinedOptionsException If the option is undefined
      * @throws AccessException           If called from a lazy option or normalizer
      */
-    public function setNormalizer(string $option, \Closure $normalizer)
+    public function setNormalizer(string $option, \Closure $normalizer): static
     {
         if ($this->locked) {
             throw new AccessException('Normalizers cannot be set from a lazy option or normalizer.');
@@ -574,7 +574,7 @@ public function addNormalizer(string $option, \Closure $normalizer, bool $forceP
      * @throws UndefinedOptionsException If the option is undefined
      * @throws AccessException           If called from a lazy option or normalizer
      */
-    public function setAllowedValues(string $option, mixed $allowedValues)
+    public function setAllowedValues(string $option, mixed $allowedValues): static
     {
         if ($this->locked) {
             throw new AccessException('Allowed values cannot be set from a lazy option or normalizer.');
@@ -614,7 +614,7 @@ public function setAllowedValues(string $option, mixed $allowedValues)
      * @throws UndefinedOptionsException If the option is undefined
      * @throws AccessException           If called from a lazy option or normalizer
      */
-    public function addAllowedValues(string $option, mixed $allowedValues)
+    public function addAllowedValues(string $option, mixed $allowedValues): static
     {
         if ($this->locked) {
             throw new AccessException('Allowed values cannot be added from a lazy option or normalizer.');
@@ -654,7 +654,7 @@ public function addAllowedValues(string $option, mixed $allowedValues)
      * @throws UndefinedOptionsException If the option is undefined
      * @throws AccessException           If called from a lazy option or normalizer
      */
-    public function setAllowedTypes(string $option, string|array $allowedTypes)
+    public function setAllowedTypes(string $option, string|array $allowedTypes): static
     {
         if ($this->locked) {
             throw new AccessException('Allowed types cannot be set from a lazy option or normalizer.');
@@ -688,7 +688,7 @@ public function setAllowedTypes(string $option, string|array $allowedTypes)
      * @throws UndefinedOptionsException If the option is undefined
      * @throws AccessException           If called from a lazy option or normalizer
      */
-    public function addAllowedTypes(string $option, string|array $allowedTypes)
+    public function addAllowedTypes(string $option, string|array $allowedTypes): static
     {
         if ($this->locked) {
             throw new AccessException('Allowed types cannot be added from a lazy option or normalizer.');