chore[PHP-8.4]: Handle php 8.4 deprecations

src/AQL/Functions/AQLFunction.php

@@ -60,7 +60,7 @@ class AQLFunction implements EntityInterface
      * @param bool $isDeterministic Indicates if the function results are deterministic.
      * @param bool $isNew Indicates if the function object is a new one or not.
      */
-    public function __construct(string $name, string $code, Connection $connection = null, bool $isDeterministic = true, bool $isNew = true)
+    public function __construct(string $name, string $code, ?Connection $connection = null, bool $isDeterministic = true, bool $isNew = true)
     {
         $this->name = $name;
         $this->code = $code;

src/Admin/Task/Task.php

@@ -34,7 +34,7 @@ class Task implements EntityInterface
      *
      * @var string
      */
-    protected $type = 'unknown';
+    protected string $type = 'unknown';
 
     /**
      * Attributes of task.
@@ -79,7 +79,7 @@ class Task implements EntityInterface
      *
      * @throws InvalidParameterException|MissingParameterException
      */
-    public function __construct(string $name, string $command, Connection $connection = null, array $options = [])
+    public function __construct(string $name, string $command, ?Connection $connection = null, array $options = [])
     {
         $attributes = array_merge($this->defaultOptions, ['name' => $name, 'command' => $command], $options);
         $validator = new TaskValidator($attributes);
@@ -186,7 +186,7 @@ public function setCommand(string $command): void
      *
      * @param Connection $connection Connection object to use.
      */
-    public function setConnection(Connection $connection)
+    public function setConnection(Connection $connection): void
     {
         $this->connection = $connection;
     }

src/Auth/Exceptions/AuthException.php

@@ -22,7 +22,7 @@ class AuthException extends BaseException
      * @param Throwable|null $previous
      * @param int $code
      */
-    public function __construct(string $message, Throwable $previous = null, $code = 0)
+    public function __construct(string $message, ?Throwable $previous = null, $code = 0)
     {
         parent::__construct($message, $previous, $code);
     }

src/Auth/Exceptions/UserException.php

@@ -22,7 +22,7 @@ class UserException extends BaseException
      * @param Throwable|null $previous
      * @param int $code
      */
-    public function __construct(string $message, Throwable $previous = null, int $code = 0)
+    public function __construct(string $message, ?Throwable $previous = null, int $code = 0)
     {
         parent::__construct($message, $previous, $code);
     }

src/Auth/User.php

@@ -62,7 +62,7 @@ class User implements EntityInterface
      *
      * @throws InvalidParameterException|MissingParameterException
      */
-    public function __construct(array $attributes = [], Connection $connection = null, bool $isNew = true)
+    public function __construct(array $attributes = [], ?Connection $connection = null, bool $isNew = true)
     {
         $validator = new UserValidator($attributes);
         $validator->validate();

src/Document/Document.php

@@ -112,7 +112,7 @@ class Document implements EntityInterface
      *
      * @throws InvalidParameterException
      */
-    public function __construct(array $attributes = [], Collection $collection = null)
+    public function __construct(array $attributes = [], ?Collection $collection = null)
     {
         $this->validator = new DocumentValidator($attributes);
         $this->validator->validate();

src/Document/Edge.php

@@ -49,7 +49,7 @@ class Edge extends Document
      *
      * @throws InvalidParameterException|MissingParameterException
      */
-    public function __construct(array $attributes = [], Collection $collection = null)
+    public function __construct(array $attributes = [], ?Collection $collection = null)
     {
         $validator = new EdgeValidator($attributes);
         $validator->validate();

src/Exceptions/BaseException.php

@@ -21,7 +21,7 @@ abstract class BaseException extends \Exception
      * @param Throwable|null $previous Previous exception or error.
      * @param int $code Error code.
      */
-    public function __construct(string $message, Throwable $previous = null, $code = 0)
+    public function __construct(string $message, ?Throwable $previous = null, $code = 0)
     {
         parent::__construct($message, $code, $previous);
     }

src/Graph/Graph.php

@@ -106,7 +106,7 @@ class Graph implements \JsonSerializable
      *
      * @throws InvalidParameterException|MissingParameterException|ArangoException
      */
-    public function __construct(string $name, array $attributes = [], Database $database = null)
+    public function __construct(string $name, array $attributes = [], ?Database $database = null)
     {
         $this->name = $this->key = $name;
 

src/Graph/Traversal/Traversal.php

@@ -72,7 +72,7 @@ class Traversal
      *
      * @throws CursorException|GuzzleException
      */
-    public function __construct(Statement $statement, Connection $connection = null)
+    public function __construct(Statement $statement, ?Connection $connection = null)
     {
         $this->statement = $statement;
         $this->connection = $connection;

src/Validation/Exceptions/InvalidKeyOptionException.php

@@ -36,7 +36,7 @@ class InvalidKeyOptionException extends BaseException
      * @param string $value Parameter value.
      * @param Throwable|null $previous Previous exception or error.
      */
-    public function __construct(string $parameter, $value, Throwable $previous = null)
+    public function __construct(string $parameter, $value, ?Throwable $previous = null)
     {
         $message = "Parameter '$parameter' can not be used for collection with key type of '$value'.";
         parent::__construct($message, $previous);

src/Validation/Exceptions/InvalidParameterException.php

@@ -36,7 +36,7 @@ class InvalidParameterException extends BaseException
      * @param mixed $value Parameter value.
      * @param Throwable|null $previous Previous exception or error.
      */
-    public function __construct($parameter, $value, Throwable $previous = null)
+    public function __construct($parameter, $value, ?Throwable $previous = null)
     {
         $this->value = is_array($value) ? json_encode($value) : $value;
         $this->parameter = $parameter;

src/Validation/Exceptions/MissingParameterException.php

@@ -28,7 +28,7 @@ class MissingParameterException extends BaseException
      * @param string $parameter Parameter name.
      * @param Throwable|null $previous Previous exception or error.
      */
-    public function __construct(string $parameter, Throwable $previous = null)
+    public function __construct(string $parameter, ?Throwable $previous = null)
     {
         $this->parameter = $parameter;
         $message = "Missing '$parameter' on: " . $this->getFile() . " in line " . $this->getLine();

tests/TestCase.php

@@ -35,7 +35,7 @@ public function loadEnvironment(): void
      * @throws \GuzzleHttp\Exception\GuzzleException
      * @throws \ReflectionException
      */
-    public function getConnectionObject(MockHandler $mock = null): Connection
+    public function getConnectionObject(?MockHandler $mock = null): Connection
     {
         $connection = new Connection([
             'username' => $_ENV['ARANGODB_USERNAME'],