diff --git a/src/Model/ASN.php b/src/Model/ASN.php
index 530505cb..216f7923 100644
--- a/src/Model/ASN.php
+++ b/src/Model/ASN.php
@@ -213,7 +213,7 @@ public function valid(): bool
     /**
      * Gets asn.
      */
-    public function getAsn(): ?string
+    public function getAsn(): string
     {
         return $this->container['asn'];
     }
@@ -235,7 +235,7 @@ public function setAsn(string $asn): self
     /**
      * Gets network.
      */
-    public function getNetwork(): ?string
+    public function getNetwork(): string
     {
         return $this->container['network'];
     }
diff --git a/src/Model/BotdDetectionResult.php b/src/Model/BotdDetectionResult.php
index f6bea206..bc2c4524 100644
--- a/src/Model/BotdDetectionResult.php
+++ b/src/Model/BotdDetectionResult.php
@@ -230,7 +230,7 @@ public function valid(): bool
     /**
      * Gets result.
      */
-    public function getResult(): ?string
+    public function getResult(): string
     {
         return $this->container['result'];
     }
diff --git a/src/Model/BotdResult.php b/src/Model/BotdResult.php
index f39e516f..a5d0ccf6 100644
--- a/src/Model/BotdResult.php
+++ b/src/Model/BotdResult.php
@@ -251,7 +251,7 @@ public function valid(): bool
     /**
      * Gets ip.
      */
-    public function getIp(): ?string
+    public function getIp(): string
     {
         return $this->container['ip'];
     }
@@ -273,7 +273,7 @@ public function setIp(string $ip): self
     /**
      * Gets time.
      */
-    public function getTime(): ?\DateTime
+    public function getTime(): \DateTime
     {
         return $this->container['time'];
     }
@@ -295,7 +295,7 @@ public function setTime(\DateTime $time): self
     /**
      * Gets url.
      */
-    public function getUrl(): ?string
+    public function getUrl(): string
     {
         return $this->container['url'];
     }
@@ -317,7 +317,7 @@ public function setUrl(string $url): self
     /**
      * Gets user_agent.
      */
-    public function getUserAgent(): ?string
+    public function getUserAgent(): string
     {
         return $this->container['user_agent'];
     }
@@ -339,7 +339,7 @@ public function setUserAgent(string $user_agent): self
     /**
      * Gets request_id.
      */
-    public function getRequestId(): ?string
+    public function getRequestId(): string
     {
         return $this->container['request_id'];
     }
@@ -383,7 +383,7 @@ public function setLinkedId(string $linked_id): self
     /**
      * Gets bot.
      */
-    public function getBot(): ?BotdDetectionResult
+    public function getBot(): BotdDetectionResult
     {
         return $this->container['bot'];
     }
diff --git a/src/Model/BrowserDetails.php b/src/Model/BrowserDetails.php
index bfd50fb0..e5190554 100644
--- a/src/Model/BrowserDetails.php
+++ b/src/Model/BrowserDetails.php
@@ -258,7 +258,7 @@ public function valid(): bool
     /**
      * Gets browser_name.
      */
-    public function getBrowserName(): ?string
+    public function getBrowserName(): string
     {
         return $this->container['browser_name'];
     }
@@ -280,7 +280,7 @@ public function setBrowserName(string $browser_name): self
     /**
      * Gets browser_major_version.
      */
-    public function getBrowserMajorVersion(): ?string
+    public function getBrowserMajorVersion(): string
     {
         return $this->container['browser_major_version'];
     }
@@ -302,7 +302,7 @@ public function setBrowserMajorVersion(string $browser_major_version): self
     /**
      * Gets browser_full_version.
      */
-    public function getBrowserFullVersion(): ?string
+    public function getBrowserFullVersion(): string
     {
         return $this->container['browser_full_version'];
     }
@@ -324,7 +324,7 @@ public function setBrowserFullVersion(string $browser_full_version): self
     /**
      * Gets os.
      */
-    public function getOs(): ?string
+    public function getOs(): string
     {
         return $this->container['os'];
     }
@@ -346,7 +346,7 @@ public function setOs(string $os): self
     /**
      * Gets os_version.
      */
-    public function getOsVersion(): ?string
+    public function getOsVersion(): string
     {
         return $this->container['os_version'];
     }
@@ -368,7 +368,7 @@ public function setOsVersion(string $os_version): self
     /**
      * Gets device.
      */
-    public function getDevice(): ?string
+    public function getDevice(): string
     {
         return $this->container['device'];
     }
@@ -390,7 +390,7 @@ public function setDevice(string $device): self
     /**
      * Gets user_agent.
      */
-    public function getUserAgent(): ?string
+    public function getUserAgent(): string
     {
         return $this->container['user_agent'];
     }
diff --git a/src/Model/ClonedAppResult.php b/src/Model/ClonedAppResult.php
index e09b176a..61fd7c2d 100644
--- a/src/Model/ClonedAppResult.php
+++ b/src/Model/ClonedAppResult.php
@@ -198,7 +198,7 @@ public function valid(): bool
     /**
      * Gets result.
      */
-    public function getResult(): ?bool
+    public function getResult(): bool
     {
         return $this->container['result'];
     }
diff --git a/src/Model/Confidence.php b/src/Model/Confidence.php
index a66a2d90..ac489b0d 100644
--- a/src/Model/Confidence.php
+++ b/src/Model/Confidence.php
@@ -198,7 +198,7 @@ public function valid(): bool
     /**
      * Gets score.
      */
-    public function getScore(): ?float
+    public function getScore(): float
     {
         return $this->container['score'];
     }
diff --git a/src/Model/DataCenter.php b/src/Model/DataCenter.php
index b8565a33..d3f65818 100644
--- a/src/Model/DataCenter.php
+++ b/src/Model/DataCenter.php
@@ -204,7 +204,7 @@ public function valid(): bool
     /**
      * Gets result.
      */
-    public function getResult(): ?bool
+    public function getResult(): bool
     {
         return $this->container['result'];
     }
diff --git a/src/Model/EmulatorResult.php b/src/Model/EmulatorResult.php
index eb39b047..0a4398fd 100644
--- a/src/Model/EmulatorResult.php
+++ b/src/Model/EmulatorResult.php
@@ -198,7 +198,7 @@ public function valid(): bool
     /**
      * Gets result.
      */
-    public function getResult(): ?bool
+    public function getResult(): bool
     {
         return $this->container['result'];
     }
diff --git a/src/Model/ErrorEvent403ResponseError.php b/src/Model/ErrorEvent403ResponseError.php
index e714bd2c..702c754c 100644
--- a/src/Model/ErrorEvent403ResponseError.php
+++ b/src/Model/ErrorEvent403ResponseError.php
@@ -234,7 +234,7 @@ public function valid(): bool
     /**
      * Gets code.
      */
-    public function getCode(): ?string
+    public function getCode(): string
     {
         return $this->container['code'];
     }
@@ -265,7 +265,7 @@ public function setCode(string $code): self
     /**
      * Gets message.
      */
-    public function getMessage(): ?string
+    public function getMessage(): string
     {
         return $this->container['message'];
     }
diff --git a/src/Model/ErrorEvent404ResponseError.php b/src/Model/ErrorEvent404ResponseError.php
index 1993400b..607b1924 100644
--- a/src/Model/ErrorEvent404ResponseError.php
+++ b/src/Model/ErrorEvent404ResponseError.php
@@ -228,7 +228,7 @@ public function valid(): bool
     /**
      * Gets code.
      */
-    public function getCode(): ?string
+    public function getCode(): string
     {
         return $this->container['code'];
     }
@@ -259,7 +259,7 @@ public function setCode(string $code): self
     /**
      * Gets message.
      */
-    public function getMessage(): ?string
+    public function getMessage(): string
     {
         return $this->container['message'];
     }
diff --git a/src/Model/ErrorVisits403.php b/src/Model/ErrorVisits403.php
index 97f37869..297998f3 100644
--- a/src/Model/ErrorVisits403.php
+++ b/src/Model/ErrorVisits403.php
@@ -198,7 +198,7 @@ public function valid(): bool
     /**
      * Gets error.
      */
-    public function getError(): ?string
+    public function getError(): string
     {
         return $this->container['error'];
     }
diff --git a/src/Model/EventResponse.php b/src/Model/EventResponse.php
index 6ecd6eec..cceb4a49 100644
--- a/src/Model/EventResponse.php
+++ b/src/Model/EventResponse.php
@@ -206,7 +206,7 @@ public function valid(): bool
     /**
      * Gets products.
      */
-    public function getProducts(): ?ProductsResponse
+    public function getProducts(): ProductsResponse
     {
         return $this->container['products'];
     }
diff --git a/src/Model/FactoryResetResult.php b/src/Model/FactoryResetResult.php
index f06871d0..fbf1834d 100644
--- a/src/Model/FactoryResetResult.php
+++ b/src/Model/FactoryResetResult.php
@@ -207,7 +207,7 @@ public function valid(): bool
     /**
      * Gets time.
      */
-    public function getTime(): ?\DateTime
+    public function getTime(): \DateTime
     {
         return $this->container['time'];
     }
@@ -229,7 +229,7 @@ public function setTime(\DateTime $time): self
     /**
      * Gets timestamp.
      */
-    public function getTimestamp(): ?int
+    public function getTimestamp(): int
     {
         return $this->container['timestamp'];
     }
diff --git a/src/Model/FridaResult.php b/src/Model/FridaResult.php
index 29fdb492..ad511bad 100644
--- a/src/Model/FridaResult.php
+++ b/src/Model/FridaResult.php
@@ -198,7 +198,7 @@ public function valid(): bool
     /**
      * Gets result.
      */
-    public function getResult(): ?bool
+    public function getResult(): bool
     {
         return $this->container['result'];
     }
diff --git a/src/Model/HighActivityResult.php b/src/Model/HighActivityResult.php
index e381e1ce..503dc337 100644
--- a/src/Model/HighActivityResult.php
+++ b/src/Model/HighActivityResult.php
@@ -204,7 +204,7 @@ public function valid(): bool
     /**
      * Gets result.
      */
-    public function getResult(): ?bool
+    public function getResult(): bool
     {
         return $this->container['result'];
     }
diff --git a/src/Model/IdentificationError.php b/src/Model/IdentificationError.php
index 47d5157e..c8890cc4 100644
--- a/src/Model/IdentificationError.php
+++ b/src/Model/IdentificationError.php
@@ -230,7 +230,7 @@ public function valid(): bool
     /**
      * Gets code.
      */
-    public function getCode(): ?string
+    public function getCode(): string
     {
         return $this->container['code'];
     }
@@ -261,7 +261,7 @@ public function setCode(string $code): self
     /**
      * Gets message.
      */
-    public function getMessage(): ?string
+    public function getMessage(): string
     {
         return $this->container['message'];
     }
diff --git a/src/Model/IncognitoResult.php b/src/Model/IncognitoResult.php
index 27db01f7..6299cc93 100644
--- a/src/Model/IncognitoResult.php
+++ b/src/Model/IncognitoResult.php
@@ -198,7 +198,7 @@ public function valid(): bool
     /**
      * Gets result.
      */
-    public function getResult(): ?bool
+    public function getResult(): bool
     {
         return $this->container['result'];
     }
diff --git a/src/Model/IpBlockListResult.php b/src/Model/IpBlockListResult.php
index 8c5435e2..c6131829 100644
--- a/src/Model/IpBlockListResult.php
+++ b/src/Model/IpBlockListResult.php
@@ -207,7 +207,7 @@ public function valid(): bool
     /**
      * Gets result.
      */
-    public function getResult(): ?bool
+    public function getResult(): bool
     {
         return $this->container['result'];
     }
@@ -229,7 +229,7 @@ public function setResult(bool $result): self
     /**
      * Gets details.
      */
-    public function getDetails(): ?IpBlockListResultDetails
+    public function getDetails(): IpBlockListResultDetails
     {
         return $this->container['details'];
     }
diff --git a/src/Model/IpBlockListResultDetails.php b/src/Model/IpBlockListResultDetails.php
index cc3823ae..0695fbc1 100644
--- a/src/Model/IpBlockListResultDetails.php
+++ b/src/Model/IpBlockListResultDetails.php
@@ -207,7 +207,7 @@ public function valid(): bool
     /**
      * Gets email_spam.
      */
-    public function getEmailSpam(): ?bool
+    public function getEmailSpam(): bool
     {
         return $this->container['email_spam'];
     }
@@ -229,7 +229,7 @@ public function setEmailSpam(bool $email_spam): self
     /**
      * Gets attack_source.
      */
-    public function getAttackSource(): ?bool
+    public function getAttackSource(): bool
     {
         return $this->container['attack_source'];
     }
diff --git a/src/Model/IpInfoResultV4.php b/src/Model/IpInfoResultV4.php
index 53e0e16b..e78f3f23 100644
--- a/src/Model/IpInfoResultV4.php
+++ b/src/Model/IpInfoResultV4.php
@@ -219,7 +219,7 @@ public function valid(): bool
     /**
      * Gets address.
      */
-    public function getAddress(): ?string
+    public function getAddress(): string
     {
         return $this->container['address'];
     }
@@ -241,7 +241,7 @@ public function setAddress(string $address): self
     /**
      * Gets geolocation.
      */
-    public function getGeolocation(): ?IPLocation
+    public function getGeolocation(): IPLocation
     {
         return $this->container['geolocation'];
     }
diff --git a/src/Model/IpInfoResultV6.php b/src/Model/IpInfoResultV6.php
index f28f7929..e19214f2 100644
--- a/src/Model/IpInfoResultV6.php
+++ b/src/Model/IpInfoResultV6.php
@@ -219,7 +219,7 @@ public function valid(): bool
     /**
      * Gets address.
      */
-    public function getAddress(): ?string
+    public function getAddress(): string
     {
         return $this->container['address'];
     }
@@ -241,7 +241,7 @@ public function setAddress(string $address): self
     /**
      * Gets geolocation.
      */
-    public function getGeolocation(): ?IPLocation
+    public function getGeolocation(): IPLocation
     {
         return $this->container['geolocation'];
     }
diff --git a/src/Model/JailbrokenResult.php b/src/Model/JailbrokenResult.php
index 6e7190d7..fa94ca4d 100644
--- a/src/Model/JailbrokenResult.php
+++ b/src/Model/JailbrokenResult.php
@@ -198,7 +198,7 @@ public function valid(): bool
     /**
      * Gets result.
      */
-    public function getResult(): ?bool
+    public function getResult(): bool
     {
         return $this->container['result'];
     }
diff --git a/src/Model/Location.php b/src/Model/Location.php
index ffdd5597..10af00e7 100644
--- a/src/Model/Location.php
+++ b/src/Model/Location.php
@@ -207,7 +207,7 @@ public function valid(): bool
     /**
      * Gets code.
      */
-    public function getCode(): ?string
+    public function getCode(): string
     {
         return $this->container['code'];
     }
@@ -229,7 +229,7 @@ public function setCode(string $code): self
     /**
      * Gets name.
      */
-    public function getName(): ?string
+    public function getName(): string
     {
         return $this->container['name'];
     }
diff --git a/src/Model/LocationSpoofingResult.php b/src/Model/LocationSpoofingResult.php
index 5da5bf66..fb7e697c 100644
--- a/src/Model/LocationSpoofingResult.php
+++ b/src/Model/LocationSpoofingResult.php
@@ -198,7 +198,7 @@ public function valid(): bool
     /**
      * Gets result.
      */
-    public function getResult(): ?bool
+    public function getResult(): bool
     {
         return $this->container['result'];
     }
diff --git a/src/Model/ManyRequestsResponse.php b/src/Model/ManyRequestsResponse.php
index 9fe7fc0d..f2c782c5 100644
--- a/src/Model/ManyRequestsResponse.php
+++ b/src/Model/ManyRequestsResponse.php
@@ -198,7 +198,7 @@ public function valid(): bool
     /**
      * Gets error.
      */
-    public function getError(): ?string
+    public function getError(): string
     {
         return $this->container['error'];
     }
diff --git a/src/Model/PrivacySettingsResult.php b/src/Model/PrivacySettingsResult.php
index db425e5e..28bcb9a6 100644
--- a/src/Model/PrivacySettingsResult.php
+++ b/src/Model/PrivacySettingsResult.php
@@ -198,7 +198,7 @@ public function valid(): bool
     /**
      * Gets result.
      */
-    public function getResult(): ?bool
+    public function getResult(): bool
     {
         return $this->container['result'];
     }
diff --git a/src/Model/ProductError.php b/src/Model/ProductError.php
index 3dfc1c36..5a0879e9 100644
--- a/src/Model/ProductError.php
+++ b/src/Model/ProductError.php
@@ -230,7 +230,7 @@ public function valid(): bool
     /**
      * Gets code.
      */
-    public function getCode(): ?string
+    public function getCode(): string
     {
         return $this->container['code'];
     }
@@ -261,7 +261,7 @@ public function setCode(string $code): self
     /**
      * Gets message.
      */
-    public function getMessage(): ?string
+    public function getMessage(): string
     {
         return $this->container['message'];
     }
diff --git a/src/Model/ProductsResponseIdentificationData.php b/src/Model/ProductsResponseIdentificationData.php
index 9fa2101d..07762091 100644
--- a/src/Model/ProductsResponseIdentificationData.php
+++ b/src/Model/ProductsResponseIdentificationData.php
@@ -315,7 +315,7 @@ public function valid(): bool
     /**
      * Gets request_id.
      */
-    public function getRequestId(): ?string
+    public function getRequestId(): string
     {
         return $this->container['request_id'];
     }
@@ -337,7 +337,7 @@ public function setRequestId(string $request_id): self
     /**
      * Gets browser_details.
      */
-    public function getBrowserDetails(): ?BrowserDetails
+    public function getBrowserDetails(): BrowserDetails
     {
         return $this->container['browser_details'];
     }
@@ -359,7 +359,7 @@ public function setBrowserDetails(BrowserDetails $browser_details): self
     /**
      * Gets incognito.
      */
-    public function getIncognito(): ?bool
+    public function getIncognito(): bool
     {
         return $this->container['incognito'];
     }
@@ -381,7 +381,7 @@ public function setIncognito(bool $incognito): self
     /**
      * Gets ip.
      */
-    public function getIp(): ?string
+    public function getIp(): string
     {
         return $this->container['ip'];
     }
@@ -425,7 +425,7 @@ public function setIpLocation(DeprecatedIPLocation $ip_location): self
     /**
      * Gets timestamp.
      */
-    public function getTimestamp(): ?int
+    public function getTimestamp(): int
     {
         return $this->container['timestamp'];
     }
@@ -447,7 +447,7 @@ public function setTimestamp(int $timestamp): self
     /**
      * Gets time.
      */
-    public function getTime(): ?\DateTime
+    public function getTime(): \DateTime
     {
         return $this->container['time'];
     }
@@ -469,7 +469,7 @@ public function setTime(\DateTime $time): self
     /**
      * Gets url.
      */
-    public function getUrl(): ?string
+    public function getUrl(): string
     {
         return $this->container['url'];
     }
@@ -493,7 +493,7 @@ public function setUrl(string $url): self
      *
      * @return map[string,object]
      */
-    public function getTag(): ?array
+    public function getTag(): array
     {
         return $this->container['tag'];
     }
@@ -559,7 +559,7 @@ public function setConfidence(Confidence $confidence): self
     /**
      * Gets visitor_found.
      */
-    public function getVisitorFound(): ?bool
+    public function getVisitorFound(): bool
     {
         return $this->container['visitor_found'];
     }
@@ -581,7 +581,7 @@ public function setVisitorFound(bool $visitor_found): self
     /**
      * Gets first_seen_at.
      */
-    public function getFirstSeenAt(): ?SeenAt
+    public function getFirstSeenAt(): SeenAt
     {
         return $this->container['first_seen_at'];
     }
@@ -603,7 +603,7 @@ public function setFirstSeenAt(SeenAt $first_seen_at): self
     /**
      * Gets last_seen_at.
      */
-    public function getLastSeenAt(): ?SeenAt
+    public function getLastSeenAt(): SeenAt
     {
         return $this->container['last_seen_at'];
     }
@@ -625,7 +625,7 @@ public function setLastSeenAt(SeenAt $last_seen_at): self
     /**
      * Gets visitor_id.
      */
-    public function getVisitorId(): ?string
+    public function getVisitorId(): string
     {
         return $this->container['visitor_id'];
     }
diff --git a/src/Model/ProxyResult.php b/src/Model/ProxyResult.php
index 9d6c88b1..0ba7fc50 100644
--- a/src/Model/ProxyResult.php
+++ b/src/Model/ProxyResult.php
@@ -198,7 +198,7 @@ public function valid(): bool
     /**
      * Gets result.
      */
-    public function getResult(): ?bool
+    public function getResult(): bool
     {
         return $this->container['result'];
     }
diff --git a/src/Model/Response.php b/src/Model/Response.php
index 46f63c1d..b054c409 100644
--- a/src/Model/Response.php
+++ b/src/Model/Response.php
@@ -221,7 +221,7 @@ public function valid(): bool
     /**
      * Gets visitor_id.
      */
-    public function getVisitorId(): ?string
+    public function getVisitorId(): string
     {
         return $this->container['visitor_id'];
     }
@@ -245,7 +245,7 @@ public function setVisitorId(string $visitor_id): self
      *
      * @return \Fingerprint\ServerAPI\Model\ResponseVisits[]
      */
-    public function getVisits(): ?array
+    public function getVisits(): array
     {
         return $this->container['visits'];
     }
diff --git a/src/Model/ResponseVisits.php b/src/Model/ResponseVisits.php
index b1871685..63c7135e 100644
--- a/src/Model/ResponseVisits.php
+++ b/src/Model/ResponseVisits.php
@@ -306,7 +306,7 @@ public function valid(): bool
     /**
      * Gets request_id.
      */
-    public function getRequestId(): ?string
+    public function getRequestId(): string
     {
         return $this->container['request_id'];
     }
@@ -328,7 +328,7 @@ public function setRequestId(string $request_id): self
     /**
      * Gets browser_details.
      */
-    public function getBrowserDetails(): ?BrowserDetails
+    public function getBrowserDetails(): BrowserDetails
     {
         return $this->container['browser_details'];
     }
@@ -350,7 +350,7 @@ public function setBrowserDetails(BrowserDetails $browser_details): self
     /**
      * Gets incognito.
      */
-    public function getIncognito(): ?bool
+    public function getIncognito(): bool
     {
         return $this->container['incognito'];
     }
@@ -372,7 +372,7 @@ public function setIncognito(bool $incognito): self
     /**
      * Gets ip.
      */
-    public function getIp(): ?string
+    public function getIp(): string
     {
         return $this->container['ip'];
     }
@@ -416,7 +416,7 @@ public function setIpLocation(DeprecatedIPLocation $ip_location): self
     /**
      * Gets timestamp.
      */
-    public function getTimestamp(): ?int
+    public function getTimestamp(): int
     {
         return $this->container['timestamp'];
     }
@@ -438,7 +438,7 @@ public function setTimestamp(int $timestamp): self
     /**
      * Gets time.
      */
-    public function getTime(): ?\DateTime
+    public function getTime(): \DateTime
     {
         return $this->container['time'];
     }
@@ -460,7 +460,7 @@ public function setTime(\DateTime $time): self
     /**
      * Gets url.
      */
-    public function getUrl(): ?string
+    public function getUrl(): string
     {
         return $this->container['url'];
     }
@@ -484,7 +484,7 @@ public function setUrl(string $url): self
      *
      * @return map[string,object]
      */
-    public function getTag(): ?array
+    public function getTag(): array
     {
         return $this->container['tag'];
     }
@@ -550,7 +550,7 @@ public function setConfidence(Confidence $confidence): self
     /**
      * Gets visitor_found.
      */
-    public function getVisitorFound(): ?bool
+    public function getVisitorFound(): bool
     {
         return $this->container['visitor_found'];
     }
@@ -572,7 +572,7 @@ public function setVisitorFound(bool $visitor_found): self
     /**
      * Gets first_seen_at.
      */
-    public function getFirstSeenAt(): ?SeenAt
+    public function getFirstSeenAt(): SeenAt
     {
         return $this->container['first_seen_at'];
     }
@@ -594,7 +594,7 @@ public function setFirstSeenAt(SeenAt $first_seen_at): self
     /**
      * Gets last_seen_at.
      */
-    public function getLastSeenAt(): ?SeenAt
+    public function getLastSeenAt(): SeenAt
     {
         return $this->container['last_seen_at'];
     }
diff --git a/src/Model/RootAppsResult.php b/src/Model/RootAppsResult.php
index 0c0fe279..6c1c82cf 100644
--- a/src/Model/RootAppsResult.php
+++ b/src/Model/RootAppsResult.php
@@ -198,7 +198,7 @@ public function valid(): bool
     /**
      * Gets result.
      */
-    public function getResult(): ?bool
+    public function getResult(): bool
     {
         return $this->container['result'];
     }
diff --git a/src/Model/SeenAt.php b/src/Model/SeenAt.php
index 0d5fe032..29de802d 100644
--- a/src/Model/SeenAt.php
+++ b/src/Model/SeenAt.php
@@ -207,7 +207,7 @@ public function valid(): bool
     /**
      * Gets global.
      */
-    public function getGlobal(): ?\DateTime
+    public function getGlobal(): \DateTime
     {
         return $this->container['global'];
     }
@@ -229,7 +229,7 @@ public function setGlobal(\DateTime $global): self
     /**
      * Gets subscription.
      */
-    public function getSubscription(): ?\DateTime
+    public function getSubscription(): \DateTime
     {
         return $this->container['subscription'];
     }
diff --git a/src/Model/SuspectScoreResult.php b/src/Model/SuspectScoreResult.php
index dfcc6b63..3225bda1 100644
--- a/src/Model/SuspectScoreResult.php
+++ b/src/Model/SuspectScoreResult.php
@@ -198,7 +198,7 @@ public function valid(): bool
     /**
      * Gets result.
      */
-    public function getResult(): ?int
+    public function getResult(): int
     {
         return $this->container['result'];
     }
diff --git a/src/Model/TamperingResult.php b/src/Model/TamperingResult.php
index a6504cf5..e642bcd4 100644
--- a/src/Model/TamperingResult.php
+++ b/src/Model/TamperingResult.php
@@ -207,7 +207,7 @@ public function valid(): bool
     /**
      * Gets result.
      */
-    public function getResult(): ?bool
+    public function getResult(): bool
     {
         return $this->container['result'];
     }
@@ -229,7 +229,7 @@ public function setResult(bool $result): self
     /**
      * Gets anomaly_score.
      */
-    public function getAnomalyScore(): ?float
+    public function getAnomalyScore(): float
     {
         return $this->container['anomaly_score'];
     }
diff --git a/src/Model/TorResult.php b/src/Model/TorResult.php
index 55bad9d6..c09aeaaf 100644
--- a/src/Model/TorResult.php
+++ b/src/Model/TorResult.php
@@ -198,7 +198,7 @@ public function valid(): bool
     /**
      * Gets result.
      */
-    public function getResult(): ?bool
+    public function getResult(): bool
     {
         return $this->container['result'];
     }
diff --git a/src/Model/VirtualMachineResult.php b/src/Model/VirtualMachineResult.php
index b4ab2899..644f9144 100644
--- a/src/Model/VirtualMachineResult.php
+++ b/src/Model/VirtualMachineResult.php
@@ -198,7 +198,7 @@ public function valid(): bool
     /**
      * Gets result.
      */
-    public function getResult(): ?bool
+    public function getResult(): bool
     {
         return $this->container['result'];
     }
diff --git a/src/Model/Visit.php b/src/Model/Visit.php
index 1705250d..72c306a6 100644
--- a/src/Model/Visit.php
+++ b/src/Model/Visit.php
@@ -306,7 +306,7 @@ public function valid(): bool
     /**
      * Gets request_id.
      */
-    public function getRequestId(): ?string
+    public function getRequestId(): string
     {
         return $this->container['request_id'];
     }
@@ -328,7 +328,7 @@ public function setRequestId(string $request_id): self
     /**
      * Gets browser_details.
      */
-    public function getBrowserDetails(): ?BrowserDetails
+    public function getBrowserDetails(): BrowserDetails
     {
         return $this->container['browser_details'];
     }
@@ -350,7 +350,7 @@ public function setBrowserDetails(BrowserDetails $browser_details): self
     /**
      * Gets incognito.
      */
-    public function getIncognito(): ?bool
+    public function getIncognito(): bool
     {
         return $this->container['incognito'];
     }
@@ -372,7 +372,7 @@ public function setIncognito(bool $incognito): self
     /**
      * Gets ip.
      */
-    public function getIp(): ?string
+    public function getIp(): string
     {
         return $this->container['ip'];
     }
@@ -416,7 +416,7 @@ public function setIpLocation(DeprecatedIPLocation $ip_location): self
     /**
      * Gets timestamp.
      */
-    public function getTimestamp(): ?int
+    public function getTimestamp(): int
     {
         return $this->container['timestamp'];
     }
@@ -438,7 +438,7 @@ public function setTimestamp(int $timestamp): self
     /**
      * Gets time.
      */
-    public function getTime(): ?\DateTime
+    public function getTime(): \DateTime
     {
         return $this->container['time'];
     }
@@ -460,7 +460,7 @@ public function setTime(\DateTime $time): self
     /**
      * Gets url.
      */
-    public function getUrl(): ?string
+    public function getUrl(): string
     {
         return $this->container['url'];
     }
@@ -484,7 +484,7 @@ public function setUrl(string $url): self
      *
      * @return map[string,object]
      */
-    public function getTag(): ?array
+    public function getTag(): array
     {
         return $this->container['tag'];
     }
@@ -550,7 +550,7 @@ public function setConfidence(Confidence $confidence): self
     /**
      * Gets visitor_found.
      */
-    public function getVisitorFound(): ?bool
+    public function getVisitorFound(): bool
     {
         return $this->container['visitor_found'];
     }
@@ -572,7 +572,7 @@ public function setVisitorFound(bool $visitor_found): self
     /**
      * Gets first_seen_at.
      */
-    public function getFirstSeenAt(): ?SeenAt
+    public function getFirstSeenAt(): SeenAt
     {
         return $this->container['first_seen_at'];
     }
@@ -594,7 +594,7 @@ public function setFirstSeenAt(SeenAt $first_seen_at): self
     /**
      * Gets last_seen_at.
      */
-    public function getLastSeenAt(): ?SeenAt
+    public function getLastSeenAt(): SeenAt
     {
         return $this->container['last_seen_at'];
     }
diff --git a/src/Model/VpnResult.php b/src/Model/VpnResult.php
index f809b168..e320c874 100644
--- a/src/Model/VpnResult.php
+++ b/src/Model/VpnResult.php
@@ -222,7 +222,7 @@ public function valid(): bool
     /**
      * Gets result.
      */
-    public function getResult(): ?bool
+    public function getResult(): bool
     {
         return $this->container['result'];
     }
@@ -244,7 +244,7 @@ public function setResult(bool $result): self
     /**
      * Gets origin_timezone.
      */
-    public function getOriginTimezone(): ?string
+    public function getOriginTimezone(): string
     {
         return $this->container['origin_timezone'];
     }
@@ -288,7 +288,7 @@ public function setOriginCountry(string $origin_country): self
     /**
      * Gets methods.
      */
-    public function getMethods(): ?VpnResultMethods
+    public function getMethods(): VpnResultMethods
     {
         return $this->container['methods'];
     }
diff --git a/src/Model/VpnResultMethods.php b/src/Model/VpnResultMethods.php
index 2426ecae..3c4f1f36 100644
--- a/src/Model/VpnResultMethods.php
+++ b/src/Model/VpnResultMethods.php
@@ -216,7 +216,7 @@ public function valid(): bool
     /**
      * Gets timezone_mismatch.
      */
-    public function getTimezoneMismatch(): ?bool
+    public function getTimezoneMismatch(): bool
     {
         return $this->container['timezone_mismatch'];
     }
@@ -238,7 +238,7 @@ public function setTimezoneMismatch(bool $timezone_mismatch): self
     /**
      * Gets public_vpn.
      */
-    public function getPublicVpn(): ?bool
+    public function getPublicVpn(): bool
     {
         return $this->container['public_vpn'];
     }
@@ -260,7 +260,7 @@ public function setPublicVpn(bool $public_vpn): self
     /**
      * Gets auxiliary_mobile.
      */
-    public function getAuxiliaryMobile(): ?bool
+    public function getAuxiliaryMobile(): bool
     {
         return $this->container['auxiliary_mobile'];
     }
diff --git a/src/Model/WebhookVisit.php b/src/Model/WebhookVisit.php
index 4ef9337a..fe15564a 100644
--- a/src/Model/WebhookVisit.php
+++ b/src/Model/WebhookVisit.php
@@ -441,7 +441,7 @@ public function valid(): bool
     /**
      * Gets visitor_id.
      */
-    public function getVisitorId(): ?string
+    public function getVisitorId(): string
     {
         return $this->container['visitor_id'];
     }
@@ -551,7 +551,7 @@ public function setIpInfo(IpInfoResult $ip_info): self
     /**
      * Gets incognito.
      */
-    public function getIncognito(): ?bool
+    public function getIncognito(): bool
     {
         return $this->container['incognito'];
     }
@@ -947,7 +947,7 @@ public function setSuspectScore(SuspectScoreResult $suspect_score): self
     /**
      * Gets request_id.
      */
-    public function getRequestId(): ?string
+    public function getRequestId(): string
     {
         return $this->container['request_id'];
     }
@@ -969,7 +969,7 @@ public function setRequestId(string $request_id): self
     /**
      * Gets browser_details.
      */
-    public function getBrowserDetails(): ?BrowserDetails
+    public function getBrowserDetails(): BrowserDetails
     {
         return $this->container['browser_details'];
     }
@@ -991,7 +991,7 @@ public function setBrowserDetails(BrowserDetails $browser_details): self
     /**
      * Gets ip.
      */
-    public function getIp(): ?string
+    public function getIp(): string
     {
         return $this->container['ip'];
     }
@@ -1035,7 +1035,7 @@ public function setIpLocation(DeprecatedIPLocation $ip_location): self
     /**
      * Gets timestamp.
      */
-    public function getTimestamp(): ?int
+    public function getTimestamp(): int
     {
         return $this->container['timestamp'];
     }
@@ -1057,7 +1057,7 @@ public function setTimestamp(int $timestamp): self
     /**
      * Gets time.
      */
-    public function getTime(): ?\DateTime
+    public function getTime(): \DateTime
     {
         return $this->container['time'];
     }
@@ -1079,7 +1079,7 @@ public function setTime(\DateTime $time): self
     /**
      * Gets url.
      */
-    public function getUrl(): ?string
+    public function getUrl(): string
     {
         return $this->container['url'];
     }
@@ -1103,7 +1103,7 @@ public function setUrl(string $url): self
      *
      * @return map[string,object]
      */
-    public function getTag(): ?array
+    public function getTag(): array
     {
         return $this->container['tag'];
     }
@@ -1169,7 +1169,7 @@ public function setConfidence(Confidence $confidence): self
     /**
      * Gets visitor_found.
      */
-    public function getVisitorFound(): ?bool
+    public function getVisitorFound(): bool
     {
         return $this->container['visitor_found'];
     }
@@ -1191,7 +1191,7 @@ public function setVisitorFound(bool $visitor_found): self
     /**
      * Gets first_seen_at.
      */
-    public function getFirstSeenAt(): ?SeenAt
+    public function getFirstSeenAt(): SeenAt
     {
         return $this->container['first_seen_at'];
     }
@@ -1213,7 +1213,7 @@ public function setFirstSeenAt(SeenAt $first_seen_at): self
     /**
      * Gets last_seen_at.
      */
-    public function getLastSeenAt(): ?SeenAt
+    public function getLastSeenAt(): SeenAt
     {
         return $this->container['last_seen_at'];
     }
diff --git a/template/model_generic.mustache b/template/model_generic.mustache
index c16a71fd..c4dc68cc 100644
--- a/template/model_generic.mustache
+++ b/template/model_generic.mustache
@@ -248,7 +248,7 @@ class {{classname}} {{#parentSchema}}extends {{{parent}}} {{/parentSchema}}{{^pa
      * Gets {{name}}
      * @return {{datatype}}
      */
-    public function {{getter}}(): {{^isListContainer}}{{^isMapContainer}}{{^isDouble}}{{datatype}}{{/isDouble}}{{/isMapContainer}}{{/isListContainer}}{{#isListContainer}}array{{/isListContainer}}{{#isMapContainer}}array{{/isMapContainer}}{{#isDouble}}float{{/isDouble}}|null
+    public function {{getter}}(): {{^required}}?{{/required}}{{^isListContainer}}{{^isMapContainer}}{{^isDouble}}{{datatype}}{{/isDouble}}{{/isMapContainer}}{{/isListContainer}}{{#isListContainer}}array{{/isListContainer}}{{#isMapContainer}}array{{/isMapContainer}}{{#isDouble}}float{{/isDouble}}
     {
         return $this->container['{{name}}'];
     }