Removed unneccessary used libraries

src/DocScan/Session/Retrieve/GetSessionResult.php

@@ -313,10 +313,11 @@ function ($checkResponse) use ($class): bool {
 
     public function getIdentityProfile(): ?IdentityProfileResponse
     {
-        if (isset($this->identityProfile))
+        if (isset($this->identityProfile)) {
             return $this->identityProfile;
-        else
+        } else {
             return null;
+        }
     }
 
     public function getIdentityProfilePreview(): ?IdentityProfilePreviewResponse

src/Identity/Policy/Policy.php

@@ -37,7 +37,7 @@ class Policy implements \JsonSerializable
      * @param int[] $wantedAuthTypes
      *   Auth types represents the authentication type to be used.
      * @param object $identityProfileRequirements
-     * @param object $advancedidentityProfileRequirements
+     * @param object $advancedIdentityProfileRequirements
      */
     public function __construct(
         array $wantedAttributes,

src/Identity/Receipt.php

@@ -58,20 +58,28 @@ public function getTimestamp(): \DateTime
 
     public function getProfile(): ?UserProfile
     {
-        return $this->userContent->getProfile();
+        if ($this->userContent !== null) {
+            return $this->userContent->getProfile();
+        } else {
+            return null;
+        }
     }
 
     public function getExtraData(): ?ExtraData
     {
-        return $this->userContent->getExtraData();
+        if ($this->userContent !== null) {
+            return $this->userContent->getExtraData();
+        } else {
+            return null;
+        }
     }
 
-    public function getApplicationContent(): ApplicationContent
+    public function getApplicationContent(): ?ApplicationContent
     {
         return $this->applicationContent;
     }
 
-    public function getUserContent(): UserContent
+    public function getUserContent(): ?UserContent
     {
         return $this->userContent;
     }

src/Identity/ReceiptParser.php

@@ -93,8 +93,11 @@ public function createFailure(WrappedReceipt $wrappedReceipt): Receipt
             ->build();
     }
 
-    private function decryptReceiptKey(string $wrappedKey, ReceiptItemKey $wrappedItemKey, PemFile $pemFile): string
+    private function decryptReceiptKey(?string $wrappedKey, ReceiptItemKey $wrappedItemKey, PemFile $pemFile): string
     {
+        if ($wrappedKey == null) {
+            throw new EncryptedDataException('Wrapped is null');
+        }
         // Convert 'iv' and 'value' from base64 to binary
         $iv = (string)base64_decode($wrappedItemKey->getIv(), true);
         $encryptedItemKey = (string)base64_decode($wrappedItemKey->getValue(), true);

src/Identity/WrappedReceipt.php

@@ -115,12 +115,12 @@ public function getOtherPartyExtraData(): ?string
         return $this->otherPartyContent->getExtraData();
     }
 
-    public function getWrappedItemKeyId(): string
+    public function getWrappedItemKeyId(): ?string
     {
         return $this->wrappedItemKeyId;
     }
 
-    public function getWrappedKey(): string
+    public function getWrappedKey(): ?string
     {
         return $this->wrappedKey;
     }