Issue #3232832 by daffie, longwave: [Symfony 6] Add various type hints to...

Issue #3232832 by daffie, longwave: [Symfony 6] Add various type hints to Drupal\serialization\Encoder\JsonEncoder::supportsEncoding() and ::supportsDecoding() and Drupal\serialization\Encoder\XmlEncoder::supportsEncoding(), ::encode(), ::decode() and ::supportsDecoding()

core/modules/serialization/src/Encoder/JsonEncoder.php

@@ -37,14 +37,14 @@ public function __construct(JsonEncode $encodingImpl = NULL, JsonDecode $decodin
   /**
    * {@inheritdoc}
    */
-  public function supportsEncoding($format) {
+  public function supportsEncoding($format): bool {
     return in_array($format, static::$format);
   }
 
   /**
    * {@inheritdoc}
    */
-  public function supportsDecoding($format) {
+  public function supportsDecoding($format): bool {
     return in_array($format, static::$format);
   }
 

core/modules/serialization/src/Encoder/XmlEncoder.php

@@ -64,28 +64,28 @@ public function setBaseEncoder($encoder) {
   /**
    * {@inheritdoc}
    */
-  public function encode($data, $format, array $context = []) {
+  public function encode($data, $format, array $context = []): string {
     return $this->getBaseEncoder()->encode($data, $format, $context);
   }
 
   /**
    * {@inheritdoc}
    */
-  public function supportsEncoding($format) {
+  public function supportsEncoding($format): bool {
     return in_array($format, static::$format);
   }
 
   /**
    * {@inheritdoc}
    */
-  public function decode($data, $format, array $context = []) {
+  public function decode($data, $format, array $context = []): mixed {
     return $this->getBaseEncoder()->decode($data, $format, $context);
   }
 
   /**
    * {@inheritdoc}
    */
-  public function supportsDecoding($format) {
+  public function supportsDecoding($format): bool {
     return in_array($format, static::$format);
   }