update php samples

samples/client/echo_api/php-nextgen-streaming/phpunit.xml.dist

@@ -2,8 +2,8 @@
 <phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" bootstrap="./vendor/autoload.php" colors="true" convertErrorsToExceptions="true" convertNoticesToExceptions="true" convertWarningsToExceptions="true" stopOnFailure="false" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd">
   <coverage processUncoveredFiles="true">
     <include>
-      <directory suffix=".php">./src/Api</directory>
-      <directory suffix=".php">./src/Model</directory>
+      <directory suffix=".php">./src\/Api</directory>
+      <directory suffix=".php">./src\/Model</directory>
     </include>
   </coverage>
   <testsuites>

samples/client/echo_api/php-nextgen/phpunit.xml.dist

@@ -2,8 +2,8 @@
 <phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" bootstrap="./vendor/autoload.php" colors="true" convertErrorsToExceptions="true" convertNoticesToExceptions="true" convertWarningsToExceptions="true" stopOnFailure="false" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd">
   <coverage processUncoveredFiles="true">
     <include>
-      <directory suffix=".php">./src/Api</directory>
-      <directory suffix=".php">./src/Model</directory>
+      <directory suffix=".php">./src\/Api</directory>
+      <directory suffix=".php">./src\/Model</directory>
     </include>
   </coverage>
   <testsuites>

samples/client/petstore/php-nextgen/OpenAPIClient-php/phpunit.xml.dist

@@ -2,8 +2,8 @@
 <phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" bootstrap="./vendor/autoload.php" colors="true" convertErrorsToExceptions="true" convertNoticesToExceptions="true" convertWarningsToExceptions="true" stopOnFailure="false" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd">
   <coverage processUncoveredFiles="true">
     <include>
-      <directory suffix=".php">./src/Api</directory>
-      <directory suffix=".php">./src/Model</directory>
+      <directory suffix=".php">./src\/Api</directory>
+      <directory suffix=".php">./src\/Model</directory>
     </include>
   </coverage>
   <testsuites>

samples/client/petstore/php/OpenAPIClient-php/lib/Model/AdditionalPropertiesClass.php

@@ -352,11 +352,11 @@ class AdditionalPropertiesClass implements ModelInterface, ArrayAccess, \JsonSer
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -364,12 +364,12 @@ class AdditionalPropertiesClass implements ModelInterface, ArrayAccess, \JsonSer
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -394,11 +394,11 @@ class AdditionalPropertiesClass implements ModelInterface, ArrayAccess, \JsonSer
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/AllOfWithSingleRef.php

@@ -352,11 +352,11 @@ class AllOfWithSingleRef implements ModelInterface, ArrayAccess, \JsonSerializab
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -364,12 +364,12 @@ class AllOfWithSingleRef implements ModelInterface, ArrayAccess, \JsonSerializab
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -394,11 +394,11 @@ class AllOfWithSingleRef implements ModelInterface, ArrayAccess, \JsonSerializab
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/Animal.php

@@ -358,11 +358,11 @@ class Animal implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -370,12 +370,12 @@ class Animal implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -400,11 +400,11 @@ class Animal implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/ApiResponse.php

@@ -386,11 +386,11 @@ class ApiResponse implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -398,12 +398,12 @@ class ApiResponse implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -428,11 +428,11 @@ class ApiResponse implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/ArrayOfArrayOfNumberOnly.php

@@ -318,11 +318,11 @@ class ArrayOfArrayOfNumberOnly implements ModelInterface, ArrayAccess, \JsonSeri
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -330,12 +330,12 @@ class ArrayOfArrayOfNumberOnly implements ModelInterface, ArrayAccess, \JsonSeri
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -360,11 +360,11 @@ class ArrayOfArrayOfNumberOnly implements ModelInterface, ArrayAccess, \JsonSeri
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/ArrayOfNumberOnly.php

@@ -318,11 +318,11 @@ class ArrayOfNumberOnly implements ModelInterface, ArrayAccess, \JsonSerializabl
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -330,12 +330,12 @@ class ArrayOfNumberOnly implements ModelInterface, ArrayAccess, \JsonSerializabl
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -360,11 +360,11 @@ class ArrayOfNumberOnly implements ModelInterface, ArrayAccess, \JsonSerializabl
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/ArrayTest.php

@@ -401,11 +401,11 @@ class ArrayTest implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -413,12 +413,12 @@ class ArrayTest implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -443,11 +443,11 @@ class ArrayTest implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/Capitalization.php

@@ -488,11 +488,11 @@ class Capitalization implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -500,12 +500,12 @@ class Capitalization implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -530,11 +530,11 @@ class Capitalization implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/Cat.php

@@ -312,11 +312,11 @@ class Cat extends Animal
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -324,12 +324,12 @@ class Cat extends Animal
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -354,11 +354,11 @@ class Cat extends Animal
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/Category.php

@@ -355,11 +355,11 @@ class Category implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -367,12 +367,12 @@ class Category implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -397,11 +397,11 @@ class Category implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/ClassModel.php

@@ -319,11 +319,11 @@ class ClassModel implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -331,12 +331,12 @@ class ClassModel implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -361,11 +361,11 @@ class ClassModel implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/Client.php

@@ -318,11 +318,11 @@ class Client implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -330,12 +330,12 @@ class Client implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -360,11 +360,11 @@ class Client implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/DeprecatedObject.php

@@ -318,11 +318,11 @@ class DeprecatedObject implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -330,12 +330,12 @@ class DeprecatedObject implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -360,11 +360,11 @@ class DeprecatedObject implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/Dog.php

@@ -312,11 +312,11 @@ class Dog extends Animal
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -324,12 +324,12 @@ class Dog extends Animal
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -354,11 +354,11 @@ class Dog extends Animal
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/EnumArrays.php

@@ -410,11 +410,11 @@ class EnumArrays implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -422,12 +422,12 @@ class EnumArrays implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -452,11 +452,11 @@ class EnumArrays implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/EnumTest.php

@@ -706,11 +706,11 @@ class EnumTest implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -718,12 +718,12 @@ class EnumTest implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -748,11 +748,11 @@ class EnumTest implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/ErrorResponse.php

@@ -352,11 +352,11 @@ class ErrorResponse implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -364,12 +364,12 @@ class ErrorResponse implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -394,11 +394,11 @@ class ErrorResponse implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/FakeBigDecimalMap200Response.php

@@ -352,11 +352,11 @@ class FakeBigDecimalMap200Response implements ModelInterface, ArrayAccess, \Json
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -364,12 +364,12 @@ class FakeBigDecimalMap200Response implements ModelInterface, ArrayAccess, \Json
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -394,11 +394,11 @@ class FakeBigDecimalMap200Response implements ModelInterface, ArrayAccess, \Json
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/File.php

@@ -319,11 +319,11 @@ class File implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -331,12 +331,12 @@ class File implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -361,11 +361,11 @@ class File implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/FileSchemaTestClass.php

@@ -352,11 +352,11 @@ class FileSchemaTestClass implements ModelInterface, ArrayAccess, \JsonSerializa
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -364,12 +364,12 @@ class FileSchemaTestClass implements ModelInterface, ArrayAccess, \JsonSerializa
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -394,11 +394,11 @@ class FileSchemaTestClass implements ModelInterface, ArrayAccess, \JsonSerializa
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/Foo.php

@@ -318,11 +318,11 @@ class Foo implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -330,12 +330,12 @@ class Foo implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -360,11 +360,11 @@ class Foo implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/FooGetDefaultResponse.php

@@ -318,11 +318,11 @@ class FooGetDefaultResponse implements ModelInterface, ArrayAccess, \JsonSeriali
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -330,12 +330,12 @@ class FooGetDefaultResponse implements ModelInterface, ArrayAccess, \JsonSeriali
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -360,11 +360,11 @@ class FooGetDefaultResponse implements ModelInterface, ArrayAccess, \JsonSeriali
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/FormatTest.php

@@ -962,11 +962,11 @@ class FormatTest implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -974,12 +974,12 @@ class FormatTest implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -1004,11 +1004,11 @@ class FormatTest implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/HasOnlyReadOnly.php

@@ -352,11 +352,11 @@ class HasOnlyReadOnly implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -364,12 +364,12 @@ class HasOnlyReadOnly implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -394,11 +394,11 @@ class HasOnlyReadOnly implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/HealthCheckResult.php

@@ -326,11 +326,11 @@ class HealthCheckResult implements ModelInterface, ArrayAccess, \JsonSerializabl
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -338,12 +338,12 @@ class HealthCheckResult implements ModelInterface, ArrayAccess, \JsonSerializabl
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -368,11 +368,11 @@ class HealthCheckResult implements ModelInterface, ArrayAccess, \JsonSerializabl
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/MapTest.php

@@ -444,11 +444,11 @@ class MapTest implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -456,12 +456,12 @@ class MapTest implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -486,11 +486,11 @@ class MapTest implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/MixedPropertiesAndAdditionalPropertiesClass.php

@@ -386,11 +386,11 @@ class MixedPropertiesAndAdditionalPropertiesClass implements ModelInterface, Arr
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -398,12 +398,12 @@ class MixedPropertiesAndAdditionalPropertiesClass implements ModelInterface, Arr
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -428,11 +428,11 @@ class MixedPropertiesAndAdditionalPropertiesClass implements ModelInterface, Arr
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/Model200Response.php

@@ -353,11 +353,11 @@ class Model200Response implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -365,12 +365,12 @@ class Model200Response implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -395,11 +395,11 @@ class Model200Response implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/ModelList.php

@@ -318,11 +318,11 @@ class ModelList implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -330,12 +330,12 @@ class ModelList implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -360,11 +360,11 @@ class ModelList implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/ModelReturn.php

@@ -319,11 +319,11 @@ class ModelReturn implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -331,12 +331,12 @@ class ModelReturn implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -361,11 +361,11 @@ class ModelReturn implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/Name.php

@@ -424,11 +424,11 @@ class Name implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -436,12 +436,12 @@ class Name implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -466,11 +466,11 @@ class Name implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/NullableClass.php

@@ -762,11 +762,11 @@ class NullableClass implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -774,12 +774,12 @@ class NullableClass implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -804,11 +804,11 @@ class NullableClass implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/NumberOnly.php

@@ -318,11 +318,11 @@ class NumberOnly implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -330,12 +330,12 @@ class NumberOnly implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -360,11 +360,11 @@ class NumberOnly implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/ObjectWithDeprecatedFields.php

@@ -426,11 +426,11 @@ class ObjectWithDeprecatedFields implements ModelInterface, ArrayAccess, \JsonSe
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -438,12 +438,12 @@ class ObjectWithDeprecatedFields implements ModelInterface, ArrayAccess, \JsonSe
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -468,11 +468,11 @@ class ObjectWithDeprecatedFields implements ModelInterface, ArrayAccess, \JsonSe
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/Order.php

@@ -524,11 +524,11 @@ class Order implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -536,12 +536,12 @@ class Order implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -566,11 +566,11 @@ class Order implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/OuterComposite.php

@@ -386,11 +386,11 @@ class OuterComposite implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -398,12 +398,12 @@ class OuterComposite implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -428,11 +428,11 @@ class OuterComposite implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/OuterObjectWithEnumProperty.php

@@ -321,11 +321,11 @@ class OuterObjectWithEnumProperty implements ModelInterface, ArrayAccess, \JsonS
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -333,12 +333,12 @@ class OuterObjectWithEnumProperty implements ModelInterface, ArrayAccess, \JsonS
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -363,11 +363,11 @@ class OuterObjectWithEnumProperty implements ModelInterface, ArrayAccess, \JsonS
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/Pet.php

@@ -532,11 +532,11 @@ class Pet implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -544,12 +544,12 @@ class Pet implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -574,11 +574,11 @@ class Pet implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/PetWithFile.php

@@ -600,11 +600,11 @@ class PetWithFile implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -612,12 +612,12 @@ class PetWithFile implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -642,11 +642,11 @@ class PetWithFile implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/PropertyNameMapping.php

@@ -420,11 +420,11 @@ class PropertyNameMapping implements ModelInterface, ArrayAccess, \JsonSerializa
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -432,12 +432,12 @@ class PropertyNameMapping implements ModelInterface, ArrayAccess, \JsonSerializa
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -462,11 +462,11 @@ class PropertyNameMapping implements ModelInterface, ArrayAccess, \JsonSerializa
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/ReadOnlyFirst.php

@@ -352,11 +352,11 @@ class ReadOnlyFirst implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -364,12 +364,12 @@ class ReadOnlyFirst implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -394,11 +394,11 @@ class ReadOnlyFirst implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/SpecialModelName.php

@@ -318,11 +318,11 @@ class SpecialModelName implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -330,12 +330,12 @@ class SpecialModelName implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -360,11 +360,11 @@ class SpecialModelName implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/Tag.php

@@ -352,11 +352,11 @@ class Tag implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -364,12 +364,12 @@ class Tag implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -394,11 +394,11 @@ class Tag implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/TestInlineFreeformAdditionalPropertiesRequest.php

@@ -318,11 +318,11 @@ class TestInlineFreeformAdditionalPropertiesRequest implements ModelInterface, A
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -330,12 +330,12 @@ class TestInlineFreeformAdditionalPropertiesRequest implements ModelInterface, A
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -360,11 +360,11 @@ class TestInlineFreeformAdditionalPropertiesRequest implements ModelInterface, A
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/OpenAPIClient-php/lib/Model/User.php

@@ -556,11 +556,11 @@ class User implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -568,12 +568,12 @@ class User implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -598,11 +598,11 @@ class User implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/AdditionalPropertiesClass.php

@@ -352,11 +352,11 @@ class AdditionalPropertiesClass implements ModelInterface, ArrayAccess, \JsonSer
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -364,12 +364,12 @@ class AdditionalPropertiesClass implements ModelInterface, ArrayAccess, \JsonSer
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -394,11 +394,11 @@ class AdditionalPropertiesClass implements ModelInterface, ArrayAccess, \JsonSer
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/AllOfWithSingleRef.php

@@ -352,11 +352,11 @@ class AllOfWithSingleRef implements ModelInterface, ArrayAccess, \JsonSerializab
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -364,12 +364,12 @@ class AllOfWithSingleRef implements ModelInterface, ArrayAccess, \JsonSerializab
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -394,11 +394,11 @@ class AllOfWithSingleRef implements ModelInterface, ArrayAccess, \JsonSerializab
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/Animal.php

@@ -358,11 +358,11 @@ class Animal implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -370,12 +370,12 @@ class Animal implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -400,11 +400,11 @@ class Animal implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/ApiResponse.php

@@ -386,11 +386,11 @@ class ApiResponse implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -398,12 +398,12 @@ class ApiResponse implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -428,11 +428,11 @@ class ApiResponse implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/ArrayOfArrayOfNumberOnly.php

@@ -318,11 +318,11 @@ class ArrayOfArrayOfNumberOnly implements ModelInterface, ArrayAccess, \JsonSeri
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -330,12 +330,12 @@ class ArrayOfArrayOfNumberOnly implements ModelInterface, ArrayAccess, \JsonSeri
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -360,11 +360,11 @@ class ArrayOfArrayOfNumberOnly implements ModelInterface, ArrayAccess, \JsonSeri
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/ArrayOfNumberOnly.php

@@ -318,11 +318,11 @@ class ArrayOfNumberOnly implements ModelInterface, ArrayAccess, \JsonSerializabl
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -330,12 +330,12 @@ class ArrayOfNumberOnly implements ModelInterface, ArrayAccess, \JsonSerializabl
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -360,11 +360,11 @@ class ArrayOfNumberOnly implements ModelInterface, ArrayAccess, \JsonSerializabl
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/ArrayTest.php

@@ -401,11 +401,11 @@ class ArrayTest implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -413,12 +413,12 @@ class ArrayTest implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -443,11 +443,11 @@ class ArrayTest implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/Capitalization.php

@@ -488,11 +488,11 @@ class Capitalization implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -500,12 +500,12 @@ class Capitalization implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -530,11 +530,11 @@ class Capitalization implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/Cat.php

@@ -312,11 +312,11 @@ class Cat extends Animal
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -324,12 +324,12 @@ class Cat extends Animal
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -354,11 +354,11 @@ class Cat extends Animal
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/Category.php

@@ -355,11 +355,11 @@ class Category implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -367,12 +367,12 @@ class Category implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -397,11 +397,11 @@ class Category implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/ClassModel.php

@@ -319,11 +319,11 @@ class ClassModel implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -331,12 +331,12 @@ class ClassModel implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -361,11 +361,11 @@ class ClassModel implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/Client.php

@@ -318,11 +318,11 @@ class Client implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -330,12 +330,12 @@ class Client implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -360,11 +360,11 @@ class Client implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/DeprecatedObject.php

@@ -318,11 +318,11 @@ class DeprecatedObject implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -330,12 +330,12 @@ class DeprecatedObject implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -360,11 +360,11 @@ class DeprecatedObject implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/Dog.php

@@ -312,11 +312,11 @@ class Dog extends Animal
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -324,12 +324,12 @@ class Dog extends Animal
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -354,11 +354,11 @@ class Dog extends Animal
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/EnumArrays.php

@@ -410,11 +410,11 @@ class EnumArrays implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -422,12 +422,12 @@ class EnumArrays implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -452,11 +452,11 @@ class EnumArrays implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/EnumTest.php

@@ -706,11 +706,11 @@ class EnumTest implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -718,12 +718,12 @@ class EnumTest implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -748,11 +748,11 @@ class EnumTest implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/ErrorResponse.php

@@ -352,11 +352,11 @@ class ErrorResponse implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -364,12 +364,12 @@ class ErrorResponse implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -394,11 +394,11 @@ class ErrorResponse implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/FakeBigDecimalMap200Response.php

@@ -352,11 +352,11 @@ class FakeBigDecimalMap200Response implements ModelInterface, ArrayAccess, \Json
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -364,12 +364,12 @@ class FakeBigDecimalMap200Response implements ModelInterface, ArrayAccess, \Json
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -394,11 +394,11 @@ class FakeBigDecimalMap200Response implements ModelInterface, ArrayAccess, \Json
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/File.php

@@ -319,11 +319,11 @@ class File implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -331,12 +331,12 @@ class File implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -361,11 +361,11 @@ class File implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/FileSchemaTestClass.php

@@ -352,11 +352,11 @@ class FileSchemaTestClass implements ModelInterface, ArrayAccess, \JsonSerializa
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -364,12 +364,12 @@ class FileSchemaTestClass implements ModelInterface, ArrayAccess, \JsonSerializa
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -394,11 +394,11 @@ class FileSchemaTestClass implements ModelInterface, ArrayAccess, \JsonSerializa
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/Foo.php

@@ -318,11 +318,11 @@ class Foo implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -330,12 +330,12 @@ class Foo implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -360,11 +360,11 @@ class Foo implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/FooGetDefaultResponse.php

@@ -318,11 +318,11 @@ class FooGetDefaultResponse implements ModelInterface, ArrayAccess, \JsonSeriali
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -330,12 +330,12 @@ class FooGetDefaultResponse implements ModelInterface, ArrayAccess, \JsonSeriali
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -360,11 +360,11 @@ class FooGetDefaultResponse implements ModelInterface, ArrayAccess, \JsonSeriali
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/FormatTest.php

@@ -962,11 +962,11 @@ class FormatTest implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -974,12 +974,12 @@ class FormatTest implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -1004,11 +1004,11 @@ class FormatTest implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/HasOnlyReadOnly.php

@@ -352,11 +352,11 @@ class HasOnlyReadOnly implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -364,12 +364,12 @@ class HasOnlyReadOnly implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -394,11 +394,11 @@ class HasOnlyReadOnly implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/HealthCheckResult.php

@@ -326,11 +326,11 @@ class HealthCheckResult implements ModelInterface, ArrayAccess, \JsonSerializabl
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -338,12 +338,12 @@ class HealthCheckResult implements ModelInterface, ArrayAccess, \JsonSerializabl
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -368,11 +368,11 @@ class HealthCheckResult implements ModelInterface, ArrayAccess, \JsonSerializabl
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/MapTest.php

@@ -444,11 +444,11 @@ class MapTest implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -456,12 +456,12 @@ class MapTest implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -486,11 +486,11 @@ class MapTest implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/MixedPropertiesAndAdditionalPropertiesClass.php

@@ -386,11 +386,11 @@ class MixedPropertiesAndAdditionalPropertiesClass implements ModelInterface, Arr
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -398,12 +398,12 @@ class MixedPropertiesAndAdditionalPropertiesClass implements ModelInterface, Arr
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -428,11 +428,11 @@ class MixedPropertiesAndAdditionalPropertiesClass implements ModelInterface, Arr
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/Model200Response.php

@@ -353,11 +353,11 @@ class Model200Response implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -365,12 +365,12 @@ class Model200Response implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -395,11 +395,11 @@ class Model200Response implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/ModelList.php

@@ -318,11 +318,11 @@ class ModelList implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -330,12 +330,12 @@ class ModelList implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -360,11 +360,11 @@ class ModelList implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/ModelReturn.php

@@ -319,11 +319,11 @@ class ModelReturn implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -331,12 +331,12 @@ class ModelReturn implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -361,11 +361,11 @@ class ModelReturn implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/Name.php

@@ -424,11 +424,11 @@ class Name implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -436,12 +436,12 @@ class Name implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -466,11 +466,11 @@ class Name implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/NullableClass.php

@@ -762,11 +762,11 @@ class NullableClass implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -774,12 +774,12 @@ class NullableClass implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -804,11 +804,11 @@ class NullableClass implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/NumberOnly.php

@@ -318,11 +318,11 @@ class NumberOnly implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -330,12 +330,12 @@ class NumberOnly implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -360,11 +360,11 @@ class NumberOnly implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/ObjectWithDeprecatedFields.php

@@ -426,11 +426,11 @@ class ObjectWithDeprecatedFields implements ModelInterface, ArrayAccess, \JsonSe
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -438,12 +438,12 @@ class ObjectWithDeprecatedFields implements ModelInterface, ArrayAccess, \JsonSe
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -468,11 +468,11 @@ class ObjectWithDeprecatedFields implements ModelInterface, ArrayAccess, \JsonSe
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/Order.php

@@ -524,11 +524,11 @@ class Order implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -536,12 +536,12 @@ class Order implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -566,11 +566,11 @@ class Order implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/OuterComposite.php

@@ -386,11 +386,11 @@ class OuterComposite implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -398,12 +398,12 @@ class OuterComposite implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -428,11 +428,11 @@ class OuterComposite implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/OuterObjectWithEnumProperty.php

@@ -321,11 +321,11 @@ class OuterObjectWithEnumProperty implements ModelInterface, ArrayAccess, \JsonS
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -333,12 +333,12 @@ class OuterObjectWithEnumProperty implements ModelInterface, ArrayAccess, \JsonS
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -363,11 +363,11 @@ class OuterObjectWithEnumProperty implements ModelInterface, ArrayAccess, \JsonS
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/Pet.php

@@ -532,11 +532,11 @@ class Pet implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -544,12 +544,12 @@ class Pet implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -574,11 +574,11 @@ class Pet implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/PetWithFile.php

@@ -600,11 +600,11 @@ class PetWithFile implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -612,12 +612,12 @@ class PetWithFile implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -642,11 +642,11 @@ class PetWithFile implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/PropertyNameMapping.php

@@ -420,11 +420,11 @@ class PropertyNameMapping implements ModelInterface, ArrayAccess, \JsonSerializa
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -432,12 +432,12 @@ class PropertyNameMapping implements ModelInterface, ArrayAccess, \JsonSerializa
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -462,11 +462,11 @@ class PropertyNameMapping implements ModelInterface, ArrayAccess, \JsonSerializa
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/ReadOnlyFirst.php

@@ -352,11 +352,11 @@ class ReadOnlyFirst implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -364,12 +364,12 @@ class ReadOnlyFirst implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -394,11 +394,11 @@ class ReadOnlyFirst implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/SpecialModelName.php

@@ -318,11 +318,11 @@ class SpecialModelName implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -330,12 +330,12 @@ class SpecialModelName implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -360,11 +360,11 @@ class SpecialModelName implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/Tag.php

@@ -352,11 +352,11 @@ class Tag implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -364,12 +364,12 @@ class Tag implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -394,11 +394,11 @@ class Tag implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/TestInlineFreeformAdditionalPropertiesRequest.php

@@ -318,11 +318,11 @@ class TestInlineFreeformAdditionalPropertiesRequest implements ModelInterface, A
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -330,12 +330,12 @@ class TestInlineFreeformAdditionalPropertiesRequest implements ModelInterface, A
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -360,11 +360,11 @@ class TestInlineFreeformAdditionalPropertiesRequest implements ModelInterface, A
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }

samples/client/petstore/php/psr-18/lib/Model/User.php

@@ -556,11 +556,11 @@ class User implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Returns true if offset exists. False otherwise.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return boolean
      */
-    public function offsetExists($offset): bool
+    public function offsetExists(mixed $offset): bool
     {
         return isset($this->container[$offset]);
     }
@@ -568,12 +568,12 @@ class User implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Gets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return mixed|null
      */
     #[\ReturnTypeWillChange]
-    public function offsetGet($offset)
+    public function offsetGet(mixed $offset)
     {
         return $this->container[$offset] ?? null;
     }
@@ -598,11 +598,11 @@ class User implements ModelInterface, ArrayAccess, \JsonSerializable
     /**
      * Unsets offset.
      *
-     * @param integer $offset Offset
+     * @param integer|string $offset Offset
      *
      * @return void
      */
-    public function offsetUnset($offset): void
+    public function offsetUnset(mixed $offset): void
     {
         unset($this->container[$offset]);
     }