Code cleanup

- Add missing return type
- Remove unneeded doc-blocks
- Add missing param in doc-block

Author: Potherca

src/Config/Keys.php

@@ -10,44 +10,31 @@ class Keys
 {
     ////////////////////////////// CLASS PROPERTIES \\\\\\\\\\\\\\\\\\\\\\\\\\\\
 
-    /** @var string|CryptoKey */
-    private $encryptionKey;
-    /** @var CryptKey*/
-    private $privateKey;
-    /** @var Key */
-    private $publicKey;
+    private string|CryptoKey $encryptionKey;
+    private CryptKey $privateKey;
+    private Key $publicKey;
 
     //////////////////////////// GETTERS AND SETTERS \\\\\\\\\\\\\\\\\\\\\\\\\\\
 
-    /** @return CryptoKey|string */
-    final public function getEncryptionKey()
+    final public function getEncryptionKey(): CryptoKey|string
     {
         return $this->encryptionKey;
     }
 
-    /** @return CryptKey */
-    final public function getPrivateKey() : CryptKey
+    final public function getPrivateKey(): CryptKey
     {
         return $this->privateKey;
     }
 
-    /*** @return Key */
-    public function getPublicKey() : Key
+    public function getPublicKey(): Key
     {
         return $this->publicKey;
     }
 
     //////////////////////////////// PUBLIC API \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
 
-    /**
-     * Keys constructor.
-     *
-     * @param CryptKey $privateKey
-     * @param string|CryptoKey $encryptionKey
-     */
-    final public function __construct(CryptKey $privateKey, Key $publicKey, $encryptionKey)
+    final public function __construct(CryptKey $privateKey, Key $publicKey, CryptoKey|string $encryptionKey)
     {
-        // @FIXME: Add type-check for $encryptionKey (or an extending class with different parameter type?)
         $this->encryptionKey = $encryptionKey;
         $this->privateKey = $privateKey;
         $this->publicKey = $publicKey;

src/Utils/Jwks.php

@@ -26,7 +26,7 @@ final public function __toString() : string
         return (string) json_encode($this);
     }
 
-    final public function jsonSerialize()
+    final public function jsonSerialize(): array
     {
         return $this->create();
     }