@@ -22,7 +22,7 @@ public function test_it_can_resolve_a_class_with_a_constructor_with_default_valu
 
     self::assertInstanceOf(
       DateTimeImmutable::class,
-      $container->get(DateTimeImmutable::class)
+      @$container->get(DateTimeImmutable::class)
     );
   }
 
@@ -50,7 +50,10 @@ public function test_can_set_a_class(): void
     self::assertSame('2025-03-09 07:29:00', $dateTimeImmutable->format('Y-m-d H:i:s'));
   }
 
-  /** @dataProvider nonInstantiableClassStringsDataProvider */
+  /**
+   * @dataProvider nonInstantiableClassStringsDataProvider
+   * @param class-string $class
+   */
   public function test_it_throws_an_exception_when_the_class_is_not_instantiable(
     string $class
   ): void {
@@ -116,7 +119,7 @@ public function test_can_get_a_class_with_a_non_builtin_constructor_parameter():
 
     self::assertInstanceOf(
       ExampleClassWithAnNonBuiltinConstructorParameter::class,
-      $container->get(ExampleClassWithAnNonBuiltinConstructorParameter::class)
+      @$container->get(ExampleClassWithAnNonBuiltinConstructorParameter::class)
     );
   }
 
@@ -136,6 +139,7 @@ public function test_it_throws_an_exception_when_the_class_has_a_union_type_hint
     $container->get(ExampleClassWithUnionTypeHint::class);
   }
 
+  /** @return array{0: class-string}[] */
   public static function nonInstantiableClassStringsDataProvider(): array
   {
     return [
@@ -164,8 +168,10 @@ public function __construct()
 
 final class ExampleClassWithoutConstructorParameterTypeHint
 {
+  /** @var mixed */
   public $parameter;
 
+  /** @param mixed $parameter */
   public function __construct($parameter)
   {
     $this->parameter = $parameter;
@@ -174,17 +180,23 @@ public function __construct($parameter)
 
 final class ExampleClassWithBuiltinConstructorParameter
 {
+  /** @var int */
+  public $parameter;
+
   public function __construct(int $parameter)
   {
-    // No parameters
+    $this->parameter = $parameter;
   }
 }
 
 final class ExampleClassWithAnNonBuiltinConstructorParameter
 {
+  /** @var DateTimeImmutable */
+  public $dateTime;
+
   public function __construct(DateTimeImmutable $dateTimeImmutable)
   {
-    // No parameters
+    $this->dateTime = $dateTimeImmutable;
   }
 }
Original file line number	Diff line number	Diff line change
`@@ -22,7 +22,7 @@ public function test_it_can_resolve_a_class_with_a_constructor_with_default_valu`
`22`	`22`
`23`	`23`	`self::assertInstanceOf(`
`24`	`24`	`DateTimeImmutable::class,`
`25`		`- $container->get(DateTimeImmutable::class)`
	`25`	`+ @$container->get(DateTimeImmutable::class)`
`26`	`26`	`);`
`27`	`27`	`}`
`28`	`28`
`@@ -50,7 +50,10 @@ public function test_can_set_a_class(): void`
`50`	`50`	`self::assertSame('2025-03-09 07:29:00', $dateTimeImmutable->format('Y-m-d H:i:s'));`
`51`	`51`	`}`
`52`	`52`
`53`		`- /** @dataProvider nonInstantiableClassStringsDataProvider */`
	`53`	`+ /**`
	`54`	`+ * @dataProvider nonInstantiableClassStringsDataProvider`
	`55`	`+ * @param class-string $class`
	`56`	`+ */`
`54`	`57`	`public function test_it_throws_an_exception_when_the_class_is_not_instantiable(`
`55`	`58`	`string $class`
`56`	`59`	`): void {`
`@@ -116,7 +119,7 @@ public function test_can_get_a_class_with_a_non_builtin_constructor_parameter():`
`116`	`119`
`117`	`120`	`self::assertInstanceOf(`
`118`	`121`	`ExampleClassWithAnNonBuiltinConstructorParameter::class,`
`119`		`- $container->get(ExampleClassWithAnNonBuiltinConstructorParameter::class)`
	`122`	`+ @$container->get(ExampleClassWithAnNonBuiltinConstructorParameter::class)`
`120`	`123`	`);`
`121`	`124`	`}`
`122`	`125`
`@@ -136,6 +139,7 @@ public function test_it_throws_an_exception_when_the_class_has_a_union_type_hint`
`136`	`139`	`$container->get(ExampleClassWithUnionTypeHint::class);`
`137`	`140`	`}`
`138`	`141`
	`142`	`+ /** @return array{0: class-string}[] */`
`139`	`143`	`public static function nonInstantiableClassStringsDataProvider(): array`
`140`	`144`	`{`
`141`	`145`	`return [`
`@@ -164,8 +168,10 @@ public function __construct()`
`164`	`168`
`165`	`169`	`final class ExampleClassWithoutConstructorParameterTypeHint`
`166`	`170`	`{`
	`171`	`+ /** @var mixed */`
`167`	`172`	`public $parameter;`
`168`	`173`
	`174`	`+ /** @param mixed $parameter */`
`169`	`175`	`public function __construct($parameter)`
`170`	`176`	`{`
`171`	`177`	`$this->parameter = $parameter;`
`@@ -174,17 +180,23 @@ public function __construct($parameter)`
`174`	`180`
`175`	`181`	`final class ExampleClassWithBuiltinConstructorParameter`
`176`	`182`	`{`
	`183`	`+ /** @var int */`
	`184`	`+ public $parameter;`
	`185`	`+`
`177`	`186`	`public function __construct(int $parameter)`
`178`	`187`	`{`
`179`		`- // No parameters`
	`188`	`+ $this->parameter = $parameter;`
`180`	`189`	`}`
`181`	`190`	`}`
`182`	`191`
`183`	`192`	`final class ExampleClassWithAnNonBuiltinConstructorParameter`
`184`	`193`	`{`
	`194`	`+ /** @var DateTimeImmutable */`
	`195`	`+ public $dateTime;`
	`196`	`+`
`185`	`197`	`public function __construct(DateTimeImmutable $dateTimeImmutable)`
`186`	`198`	`{`
`187`		`- // No parameters`
	`199`	`+ $this->dateTime = $dateTimeImmutable;`
`188`	`200`	`}`
`189`	`201`	`}`
`190`	`202`