diff --git a/CHANGELOG.md b/CHANGELOG.md
index e48d7180..b1470039 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,7 @@ For a full diff see [`5.16.0...main`][5.16.0...main].
 - Extracted `Config\Name` as a value object ([#870]), by [@localheinz]
 - Extracted `Config\PhpVersion` as a value object ([#871]), by [@localheinz]
 - Extracted `Config\Rules` as a value object ([#874]), by [@localheinz]
+- Extracted `Config\Fixers` as a value object ([#883]), by [@localheinz]
 
 ### Changed
 
@@ -1194,6 +1195,7 @@ For a full diff see [`d899e77...1.0.0`][d899e77...1.0.0].
 [#880]: https://github.com/ergebnis/php-cs-fixer-config/pull/880
 [#881]: https://github.com/ergebnis/php-cs-fixer-config/pull/881
 [#882]: https://github.com/ergebnis/php-cs-fixer-config/pull/882
+[#883]: https://github.com/ergebnis/php-cs-fixer-config/pull/883
 
 [@dependabot]: https://github.com/apps/dependabot
 [@linuxjuggler]: https://github.com/linuxjuggler
diff --git a/psalm-baseline.xml b/psalm-baseline.xml
index ac4a0705..066139fd 100644
--- a/psalm-baseline.xml
+++ b/psalm-baseline.xml
@@ -1,5 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <files psalm-version="5.15.0@5c774aca4746caf3d239d9c8cadb9f882ca29352">
+  <file src="src/Fixers.php">
+    <PropertyTypeCoercion>
+      <code>$value</code>
+    </PropertyTypeCoercion>
+  </file>
   <file src="src/Rules.php">
     <MixedArgumentTypeCoercion>
       <code><![CDATA[\array_merge(
@@ -12,12 +17,6 @@
       <code><![CDATA[array<string, array<string, mixed>|bool>]]></code>
     </MixedReturnTypeCoercion>
   </file>
-  <file src="test/Double/Config/RuleSet/DummyRuleSet.php">
-    <MixedReturnTypeCoercion>
-      <code><![CDATA[$this->customFixers]]></code>
-      <code>iterable</code>
-    </MixedReturnTypeCoercion>
-  </file>
   <file src="test/EndToEnd/RuleSet/AbstractRuleSetTestCase.php">
     <InternalClass>
       <code>Command\FixCommandExitStatusCalculator::EXIT_STATUS_FLAG_HAS_INVALID_CONFIG</code>
@@ -28,6 +27,11 @@
       <code>provideTargetPhpVersionLessThanOrEqualToCurrentPhpVersion</code>
     </PossiblyUnusedMethod>
   </file>
+  <file src="test/Unit/FixersTest.php">
+    <InvalidArgument>
+      <code>$value</code>
+    </InvalidArgument>
+  </file>
   <file src="test/Unit/PhpVersion/MinorTest.php">
     <PossiblyUnusedMethod>
       <code>provideValidValue</code>
@@ -49,9 +53,6 @@
       <code>new FixerFactory()</code>
       <code>registerBuiltInFixers</code>
     </InternalMethod>
-    <InvalidArgument>
-      <code><![CDATA[static::createRuleSet()->customFixers()]]></code>
-    </InvalidArgument>
     <PossiblyUnusedMethod>
       <code>provideValidHeader</code>
     </PossiblyUnusedMethod>
diff --git a/src/Factory.php b/src/Factory.php
index b7a3d5dc..2fb80c64 100644
--- a/src/Factory.php
+++ b/src/Factory.php
@@ -38,7 +38,7 @@ public static function fromRuleSet(
 
         $config = new Config($ruleSet->name()->toString());
 
-        $config->registerCustomFixers($ruleSet->customFixers());
+        $config->registerCustomFixers($ruleSet->customFixers()->toArray());
         $config->setRiskyAllowed(true);
         $config->setRules($ruleSet->rules()->toArray());
 
diff --git a/src/Fixers.php b/src/Fixers.php
new file mode 100644
index 00000000..328b9970
--- /dev/null
+++ b/src/Fixers.php
@@ -0,0 +1,71 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * Copyright (c) 2019-2023 Andreas Möller
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE.md file that was distributed with this source code.
+ *
+ * @see https://github.com/ergebnis/php-cs-fixer-config
+ */
+
+namespace Ergebnis\PhpCsFixer\Config;
+
+use PhpCsFixer\Fixer;
+
+final class Fixers
+{
+    /**
+     * @var list<Fixer\FixerInterface>
+     */
+    private readonly array $value;
+
+    private function __construct(Fixer\FixerInterface ...$value)
+    {
+        $this->value = $value;
+    }
+
+    public static function empty(): self
+    {
+        return new self();
+    }
+
+    public static function fromFixers(Fixer\FixerInterface ...$value): self
+    {
+        return new self(...$value);
+    }
+
+    /**
+     * @param iterable<Fixer\FixerInterface> $iterable
+     *
+     * @throws \InvalidArgumentException
+     */
+    public static function fromIterable(iterable $iterable): self
+    {
+        $value = [];
+
+        foreach ($iterable as $iterated) {
+            if (!$iterated instanceof Fixer\FixerInterface) {
+                throw new \InvalidArgumentException(\sprintf(
+                    'Expected iterable to contain only instances of %s, got %s instead.',
+                    Fixer\FixerInterface::class,
+                    \get_debug_type($iterated),
+                ));
+            }
+
+            $value[] = $iterated;
+        }
+
+        return new self(...$value);
+    }
+
+    /**
+     * @return list<Fixer\FixerInterface>
+     */
+    public function toArray(): array
+    {
+        return $this->value;
+    }
+}
diff --git a/src/RuleSet.php b/src/RuleSet.php
index e218a77a..f47cfcc0 100644
--- a/src/RuleSet.php
+++ b/src/RuleSet.php
@@ -13,16 +13,12 @@
 
 namespace Ergebnis\PhpCsFixer\Config;
 
-use PhpCsFixer\Fixer;
-
 interface RuleSet
 {
     /**
      * Returns custom fixers required by this rule set.
-     *
-     * @return iterable<Fixer\FixerInterface>
      */
-    public function customFixers(): iterable;
+    public function customFixers(): Fixers;
 
     /**
      * Returns the name of the rule set.
diff --git a/src/RuleSet/Php53.php b/src/RuleSet/Php53.php
index 3190e8cb..9ea79966 100644
--- a/src/RuleSet/Php53.php
+++ b/src/RuleSet/Php53.php
@@ -14,6 +14,7 @@
 namespace Ergebnis\PhpCsFixer\Config\RuleSet;
 
 use Ergebnis\PhpCsFixer\Config\ExplicitRuleSet;
+use Ergebnis\PhpCsFixer\Config\Fixers;
 use Ergebnis\PhpCsFixer\Config\Name;
 use Ergebnis\PhpCsFixer\Config\PhpVersion;
 use Ergebnis\PhpCsFixer\Config\Rules;
@@ -845,9 +846,9 @@ public function __construct(?string $header = null)
         ];
     }
 
-    public function customFixers(): iterable
+    public function customFixers(): Fixers
     {
-        yield from [];
+        return Fixers::empty();
     }
 
     public function name(): Name
diff --git a/src/RuleSet/Php54.php b/src/RuleSet/Php54.php
index ecd54f0b..f9b09370 100644
--- a/src/RuleSet/Php54.php
+++ b/src/RuleSet/Php54.php
@@ -14,6 +14,7 @@
 namespace Ergebnis\PhpCsFixer\Config\RuleSet;
 
 use Ergebnis\PhpCsFixer\Config\ExplicitRuleSet;
+use Ergebnis\PhpCsFixer\Config\Fixers;
 use Ergebnis\PhpCsFixer\Config\Name;
 use Ergebnis\PhpCsFixer\Config\PhpVersion;
 use Ergebnis\PhpCsFixer\Config\Rules;
@@ -847,9 +848,9 @@ public function __construct(?string $header = null)
         ];
     }
 
-    public function customFixers(): iterable
+    public function customFixers(): Fixers
     {
-        yield from [];
+        return Fixers::empty();
     }
 
     public function name(): Name
diff --git a/src/RuleSet/Php55.php b/src/RuleSet/Php55.php
index 8692319c..a9493f7a 100644
--- a/src/RuleSet/Php55.php
+++ b/src/RuleSet/Php55.php
@@ -14,6 +14,7 @@
 namespace Ergebnis\PhpCsFixer\Config\RuleSet;
 
 use Ergebnis\PhpCsFixer\Config\ExplicitRuleSet;
+use Ergebnis\PhpCsFixer\Config\Fixers;
 use Ergebnis\PhpCsFixer\Config\Name;
 use Ergebnis\PhpCsFixer\Config\PhpVersion;
 use Ergebnis\PhpCsFixer\Config\Rules;
@@ -856,9 +857,9 @@ public function __construct(?string $header = null)
         ];
     }
 
-    public function customFixers(): iterable
+    public function customFixers(): Fixers
     {
-        yield from [];
+        return Fixers::empty();
     }
 
     public function name(): Name
diff --git a/src/RuleSet/Php56.php b/src/RuleSet/Php56.php
index 551f52dc..ec98d3c4 100644
--- a/src/RuleSet/Php56.php
+++ b/src/RuleSet/Php56.php
@@ -14,6 +14,7 @@
 namespace Ergebnis\PhpCsFixer\Config\RuleSet;
 
 use Ergebnis\PhpCsFixer\Config\ExplicitRuleSet;
+use Ergebnis\PhpCsFixer\Config\Fixers;
 use Ergebnis\PhpCsFixer\Config\Name;
 use Ergebnis\PhpCsFixer\Config\PhpVersion;
 use Ergebnis\PhpCsFixer\Config\Rules;
@@ -856,9 +857,9 @@ public function __construct(?string $header = null)
         ];
     }
 
-    public function customFixers(): iterable
+    public function customFixers(): Fixers
     {
-        yield from [];
+        return Fixers::empty();
     }
 
     public function name(): Name
diff --git a/src/RuleSet/Php70.php b/src/RuleSet/Php70.php
index 2ade9949..e8d8bcfa 100644
--- a/src/RuleSet/Php70.php
+++ b/src/RuleSet/Php70.php
@@ -14,6 +14,7 @@
 namespace Ergebnis\PhpCsFixer\Config\RuleSet;
 
 use Ergebnis\PhpCsFixer\Config\ExplicitRuleSet;
+use Ergebnis\PhpCsFixer\Config\Fixers;
 use Ergebnis\PhpCsFixer\Config\Name;
 use Ergebnis\PhpCsFixer\Config\PhpVersion;
 use Ergebnis\PhpCsFixer\Config\Rules;
@@ -857,9 +858,9 @@ public function __construct(?string $header = null)
         ];
     }
 
-    public function customFixers(): iterable
+    public function customFixers(): Fixers
     {
-        yield from [];
+        return Fixers::empty();
     }
 
     public function name(): Name
diff --git a/src/RuleSet/Php71.php b/src/RuleSet/Php71.php
index bab18ace..28e82d88 100644
--- a/src/RuleSet/Php71.php
+++ b/src/RuleSet/Php71.php
@@ -14,6 +14,7 @@
 namespace Ergebnis\PhpCsFixer\Config\RuleSet;
 
 use Ergebnis\PhpCsFixer\Config\ExplicitRuleSet;
+use Ergebnis\PhpCsFixer\Config\Fixers;
 use Ergebnis\PhpCsFixer\Config\Name;
 use Ergebnis\PhpCsFixer\Config\PhpVersion;
 use Ergebnis\PhpCsFixer\Config\Rules;
@@ -859,9 +860,9 @@ public function __construct(?string $header = null)
         ];
     }
 
-    public function customFixers(): iterable
+    public function customFixers(): Fixers
     {
-        yield from [];
+        return Fixers::empty();
     }
 
     public function name(): Name
diff --git a/src/RuleSet/Php72.php b/src/RuleSet/Php72.php
index b1eaf6a5..9cb496df 100644
--- a/src/RuleSet/Php72.php
+++ b/src/RuleSet/Php72.php
@@ -14,6 +14,7 @@
 namespace Ergebnis\PhpCsFixer\Config\RuleSet;
 
 use Ergebnis\PhpCsFixer\Config\ExplicitRuleSet;
+use Ergebnis\PhpCsFixer\Config\Fixers;
 use Ergebnis\PhpCsFixer\Config\Name;
 use Ergebnis\PhpCsFixer\Config\PhpVersion;
 use Ergebnis\PhpCsFixer\Config\Rules;
@@ -859,9 +860,9 @@ public function __construct(?string $header = null)
         ];
     }
 
-    public function customFixers(): iterable
+    public function customFixers(): Fixers
     {
-        yield from [];
+        return Fixers::empty();
     }
 
     public function name(): Name
diff --git a/src/RuleSet/Php73.php b/src/RuleSet/Php73.php
index 3303a8db..7d266173 100644
--- a/src/RuleSet/Php73.php
+++ b/src/RuleSet/Php73.php
@@ -14,6 +14,7 @@
 namespace Ergebnis\PhpCsFixer\Config\RuleSet;
 
 use Ergebnis\PhpCsFixer\Config\ExplicitRuleSet;
+use Ergebnis\PhpCsFixer\Config\Fixers;
 use Ergebnis\PhpCsFixer\Config\Name;
 use Ergebnis\PhpCsFixer\Config\PhpVersion;
 use Ergebnis\PhpCsFixer\Config\Rules;
@@ -860,9 +861,9 @@ public function __construct(?string $header = null)
         ];
     }
 
-    public function customFixers(): iterable
+    public function customFixers(): Fixers
     {
-        yield from [];
+        return Fixers::empty();
     }
 
     public function name(): Name
diff --git a/src/RuleSet/Php74.php b/src/RuleSet/Php74.php
index 8c5530ef..f4bd8624 100644
--- a/src/RuleSet/Php74.php
+++ b/src/RuleSet/Php74.php
@@ -14,6 +14,7 @@
 namespace Ergebnis\PhpCsFixer\Config\RuleSet;
 
 use Ergebnis\PhpCsFixer\Config\ExplicitRuleSet;
+use Ergebnis\PhpCsFixer\Config\Fixers;
 use Ergebnis\PhpCsFixer\Config\Name;
 use Ergebnis\PhpCsFixer\Config\PhpVersion;
 use Ergebnis\PhpCsFixer\Config\Rules;
@@ -863,9 +864,9 @@ public function __construct(?string $header = null)
         ];
     }
 
-    public function customFixers(): iterable
+    public function customFixers(): Fixers
     {
-        yield from [];
+        return Fixers::empty();
     }
 
     public function name(): Name
diff --git a/src/RuleSet/Php80.php b/src/RuleSet/Php80.php
index f0acdafb..a3401800 100644
--- a/src/RuleSet/Php80.php
+++ b/src/RuleSet/Php80.php
@@ -14,6 +14,7 @@
 namespace Ergebnis\PhpCsFixer\Config\RuleSet;
 
 use Ergebnis\PhpCsFixer\Config\ExplicitRuleSet;
+use Ergebnis\PhpCsFixer\Config\Fixers;
 use Ergebnis\PhpCsFixer\Config\Name;
 use Ergebnis\PhpCsFixer\Config\PhpVersion;
 use Ergebnis\PhpCsFixer\Config\Rules;
@@ -872,9 +873,9 @@ public function __construct(?string $header = null)
         ];
     }
 
-    public function customFixers(): iterable
+    public function customFixers(): Fixers
     {
-        yield from [];
+        return Fixers::empty();
     }
 
     public function name(): Name
diff --git a/src/RuleSet/Php81.php b/src/RuleSet/Php81.php
index 020a05e4..0e01b0ce 100644
--- a/src/RuleSet/Php81.php
+++ b/src/RuleSet/Php81.php
@@ -14,6 +14,7 @@
 namespace Ergebnis\PhpCsFixer\Config\RuleSet;
 
 use Ergebnis\PhpCsFixer\Config\ExplicitRuleSet;
+use Ergebnis\PhpCsFixer\Config\Fixers;
 use Ergebnis\PhpCsFixer\Config\Name;
 use Ergebnis\PhpCsFixer\Config\PhpVersion;
 use Ergebnis\PhpCsFixer\Config\Rules;
@@ -874,9 +875,9 @@ public function __construct(?string $header = null)
         ];
     }
 
-    public function customFixers(): iterable
+    public function customFixers(): Fixers
     {
-        yield from [];
+        return Fixers::empty();
     }
 
     public function name(): Name
diff --git a/src/RuleSet/Php82.php b/src/RuleSet/Php82.php
index 48db29ed..75c2600a 100644
--- a/src/RuleSet/Php82.php
+++ b/src/RuleSet/Php82.php
@@ -14,6 +14,7 @@
 namespace Ergebnis\PhpCsFixer\Config\RuleSet;
 
 use Ergebnis\PhpCsFixer\Config\ExplicitRuleSet;
+use Ergebnis\PhpCsFixer\Config\Fixers;
 use Ergebnis\PhpCsFixer\Config\Name;
 use Ergebnis\PhpCsFixer\Config\PhpVersion;
 use Ergebnis\PhpCsFixer\Config\Rules;
@@ -874,9 +875,9 @@ public function __construct(?string $header = null)
         ];
     }
 
-    public function customFixers(): iterable
+    public function customFixers(): Fixers
     {
-        yield from [];
+        return Fixers::empty();
     }
 
     public function name(): Name
diff --git a/test/Double/Config/RuleSet/DummyRuleSet.php b/test/Double/Config/RuleSet/DummyRuleSet.php
index 4424c75f..570ee937 100644
--- a/test/Double/Config/RuleSet/DummyRuleSet.php
+++ b/test/Double/Config/RuleSet/DummyRuleSet.php
@@ -13,6 +13,7 @@
 
 namespace Ergebnis\PhpCsFixer\Config\Test\Double\Config\RuleSet;
 
+use Ergebnis\PhpCsFixer\Config\Fixers;
 use Ergebnis\PhpCsFixer\Config\Name;
 use Ergebnis\PhpCsFixer\Config\PhpVersion;
 use Ergebnis\PhpCsFixer\Config\Rules;
@@ -21,14 +22,14 @@
 final class DummyRuleSet implements RuleSet
 {
     public function __construct(
-        private readonly iterable $customFixers,
+        private readonly Fixers $customFixers,
         private readonly Name $name,
         private readonly PhpVersion $phpVersion,
         private readonly Rules $rules,
     ) {
     }
 
-    public function customFixers(): iterable
+    public function customFixers(): Fixers
     {
         return $this->customFixers;
     }
diff --git a/test/Unit/FactoryTest.php b/test/Unit/FactoryTest.php
index 6d9a3b3f..7fc81639 100644
--- a/test/Unit/FactoryTest.php
+++ b/test/Unit/FactoryTest.php
@@ -14,6 +14,7 @@
 namespace Ergebnis\PhpCsFixer\Config\Test\Unit;
 
 use Ergebnis\PhpCsFixer\Config\Factory;
+use Ergebnis\PhpCsFixer\Config\Fixers;
 use Ergebnis\PhpCsFixer\Config\Name;
 use Ergebnis\PhpCsFixer\Config\PhpVersion;
 use Ergebnis\PhpCsFixer\Config\Rules;
@@ -22,6 +23,7 @@
 use PHPUnit\Framework;
 
 #[Framework\Attributes\CoversClass(Factory::class)]
+#[Framework\Attributes\UsesClass(Fixers::class)]
 #[Framework\Attributes\UsesClass(Name::class)]
 #[Framework\Attributes\UsesClass(PhpVersion::class)]
 #[Framework\Attributes\UsesClass(PhpVersion\Major::class)]
@@ -41,7 +43,7 @@ public function testFromRuleSetThrowsRuntimeExceptionWhenCurrentPhpVersionIsLess
         );
 
         $ruleSet = new Test\Double\Config\RuleSet\DummyRuleSet(
-            [],
+            Fixers::empty(),
             Name::fromString(self::faker()->word()),
             $phpVersion,
             Rules::fromArray([]),
@@ -60,11 +62,11 @@ public function testFromRuleSetThrowsRuntimeExceptionWhenCurrentPhpVersionIsLess
     #[Framework\Attributes\DataProvider('provideTargetPhpVersionLessThanOrEqualToCurrentPhpVersion')]
     public function testFromRuleSetCreatesConfigWhenCurrentPhpVersionIsEqualToOrGreaterThanTargetPhpVersion(PhpVersion $targetPhpVersion): void
     {
-        $customFixers = [
+        $customFixers = Fixers::fromFixers(
             $this->createStub(Fixer\FixerInterface::class),
             $this->createStub(Fixer\FixerInterface::class),
             $this->createStub(Fixer\FixerInterface::class),
-        ];
+        );
 
         $rules = Rules::fromArray([
             'foo' => true,
@@ -82,7 +84,7 @@ public function testFromRuleSetCreatesConfigWhenCurrentPhpVersionIsEqualToOrGrea
 
         $config = Factory::fromRuleSet($ruleSet);
 
-        self::assertEquals($customFixers, $config->getCustomFixers());
+        self::assertEquals($customFixers->toArray(), $config->getCustomFixers());
         self::assertTrue($config->getRiskyAllowed());
         self::assertSame($rules->toArray(), $config->getRules());
         self::assertTrue($config->getUsingCache());
@@ -107,11 +109,11 @@ public static function provideTargetPhpVersionLessThanOrEqualToCurrentPhpVersion
 
     public function testFromRuleSetCreatesConfigWithOverrideRules(): void
     {
-        $customFixers = [
+        $customFixers = Fixers::fromFixers(
             $this->createStub(Fixer\FixerInterface::class),
             $this->createStub(Fixer\FixerInterface::class),
             $this->createStub(Fixer\FixerInterface::class),
-        ];
+        );
 
         $rules = Rules::fromArray([
             'foo' => true,
@@ -140,7 +142,7 @@ public function testFromRuleSetCreatesConfigWithOverrideRules(): void
             $overrideRules,
         );
 
-        self::assertEquals($customFixers, $config->getCustomFixers());
+        self::assertEquals($customFixers->toArray(), $config->getCustomFixers());
         self::assertTrue($config->getRiskyAllowed());
         self::assertEquals($rules->merge($overrideRules)->toArray(), $config->getRules());
         self::assertTrue($config->getUsingCache());
diff --git a/test/Unit/FixersTest.php b/test/Unit/FixersTest.php
new file mode 100644
index 00000000..c5f91088
--- /dev/null
+++ b/test/Unit/FixersTest.php
@@ -0,0 +1,88 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * Copyright (c) 2019-2023 Andreas Möller
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE.md file that was distributed with this source code.
+ *
+ * @see https://github.com/ergebnis/php-cs-fixer-config
+ */
+
+use Ergebnis\PhpCsFixer\Config\Fixers;
+use PhpCsFixer\Fixer;
+use PHPUnit\Framework;
+
+#[Framework\Attributes\CoversClass(Fixers::class)]
+final class FixersTest extends Framework\TestCase
+{
+    public function testEmptyReturnsFixers(): void
+    {
+        $fixers = Fixers::empty();
+
+        self::assertSame([], $fixers->toArray());
+    }
+
+    public function testFromFixersReturnsFixers(): void
+    {
+        $value = [
+            $this->createStub(Fixer\FixerInterface::class),
+            $this->createStub(Fixer\FixerInterface::class),
+            $this->createStub(Fixer\FixerInterface::class),
+        ];
+
+        $fixers = Fixers::fromFixers(...$value);
+
+        self::assertSame($value, $fixers->toArray());
+    }
+
+    public function testFromIterableRejectsInvalidValue(): void
+    {
+        $value = [
+            $this->createStub(Fixer\FixerInterface::class),
+            new \stdClass(),
+            $this->createStub(Fixer\FixerInterface::class),
+        ];
+
+        $this->expectException(\InvalidArgumentException::class);
+        $this->expectExceptionMessage(
+            \sprintf(
+                'Expected iterable to contain only instances of %s, got %s instead.',
+                Fixer\FixerInterface::class,
+                stdClass::class,
+            ),
+        );
+
+        Fixers::fromIterable($value);
+    }
+
+    public function testFromIterableReturnsFixersWhenValueIsArray(): void
+    {
+        $value = [
+            $this->createStub(Fixer\FixerInterface::class),
+            $this->createStub(Fixer\FixerInterface::class),
+            $this->createStub(Fixer\FixerInterface::class),
+        ];
+
+        $fixers = Fixers::fromIterable($value);
+
+        self::assertSame($value, $fixers->toArray());
+    }
+
+    public function testFromIterableReturnsFixersWhenValueIsTraversable(): void
+    {
+        $value = [
+            $this->createStub(Fixer\FixerInterface::class),
+            $this->createStub(Fixer\FixerInterface::class),
+            $this->createStub(Fixer\FixerInterface::class),
+        ];
+
+        $iterable = new ArrayIterator($value);
+
+        $fixers = Fixers::fromIterable($iterable);
+
+        self::assertSame($value, $fixers->toArray());
+    }
+}
diff --git a/test/Unit/RuleSet/AbstractRuleSetTestCase.php b/test/Unit/RuleSet/AbstractRuleSetTestCase.php
index 179c398f..8c22960b 100644
--- a/test/Unit/RuleSet/AbstractRuleSetTestCase.php
+++ b/test/Unit/RuleSet/AbstractRuleSetTestCase.php
@@ -13,6 +13,7 @@
 
 namespace Ergebnis\PhpCsFixer\Config\Test\Unit\RuleSet;
 
+use Ergebnis\PhpCsFixer\Config\Fixers;
 use Ergebnis\PhpCsFixer\Config\Name;
 use Ergebnis\PhpCsFixer\Config\PhpVersion;
 use Ergebnis\PhpCsFixer\Config\Rules;
@@ -216,7 +217,7 @@ final public static function provideValidHeader(): \Generator
         }
     }
 
-    abstract protected function expectedCustomFixers(): iterable;
+    abstract protected function expectedCustomFixers(): Fixers;
 
     abstract protected function expectedName(): Name;
 
@@ -239,7 +240,7 @@ final protected static function fixersThatAreRegistered(): array
         $fixerFactory->registerBuiltInFixers();
 
         $fixersThatAreBuiltIn = $fixerFactory->getFixers();
-        $fixersThatShouldBeRegistered = \iterator_to_array(static::createRuleSet()->customFixers());
+        $fixersThatShouldBeRegistered = static::createRuleSet()->customFixers()->toArray();
 
         /** @var array<Fixer\FixerInterface> $fixers */
         $fixers = \array_merge(
diff --git a/test/Unit/RuleSet/Php53Test.php b/test/Unit/RuleSet/Php53Test.php
index 1f30fb91..9f72b364 100644
--- a/test/Unit/RuleSet/Php53Test.php
+++ b/test/Unit/RuleSet/Php53Test.php
@@ -14,6 +14,7 @@
 namespace Ergebnis\PhpCsFixer\Config\Test\Unit\RuleSet;
 
 use Ergebnis\PhpCsFixer\Config\Factory;
+use Ergebnis\PhpCsFixer\Config\Fixers;
 use Ergebnis\PhpCsFixer\Config\Name;
 use Ergebnis\PhpCsFixer\Config\PhpVersion;
 use Ergebnis\PhpCsFixer\Config\Rules;
@@ -22,6 +23,7 @@
 
 #[Framework\Attributes\CoversClass(RuleSet\Php53::class)]
 #[Framework\Attributes\UsesClass(Factory::class)]
+#[Framework\Attributes\UsesClass(Fixers::class)]
 #[Framework\Attributes\UsesClass(Name::class)]
 #[Framework\Attributes\UsesClass(PhpVersion::class)]
 #[Framework\Attributes\UsesClass(PhpVersion\Major::class)]
@@ -35,9 +37,9 @@ protected static function createRuleSet(?string $header = null): RuleSet
         return new RuleSet\Php53($header);
     }
 
-    protected function expectedCustomFixers(): iterable
+    protected function expectedCustomFixers(): Fixers
     {
-        yield from [];
+        return Fixers::empty();
     }
 
     protected function expectedName(): Name
diff --git a/test/Unit/RuleSet/Php54Test.php b/test/Unit/RuleSet/Php54Test.php
index d2641a10..cc5d7566 100644
--- a/test/Unit/RuleSet/Php54Test.php
+++ b/test/Unit/RuleSet/Php54Test.php
@@ -14,6 +14,7 @@
 namespace Ergebnis\PhpCsFixer\Config\Test\Unit\RuleSet;
 
 use Ergebnis\PhpCsFixer\Config\Factory;
+use Ergebnis\PhpCsFixer\Config\Fixers;
 use Ergebnis\PhpCsFixer\Config\Name;
 use Ergebnis\PhpCsFixer\Config\PhpVersion;
 use Ergebnis\PhpCsFixer\Config\Rules;
@@ -22,6 +23,7 @@
 
 #[Framework\Attributes\CoversClass(RuleSet\Php54::class)]
 #[Framework\Attributes\UsesClass(Factory::class)]
+#[Framework\Attributes\UsesClass(Fixers::class)]
 #[Framework\Attributes\UsesClass(Name::class)]
 #[Framework\Attributes\UsesClass(PhpVersion::class)]
 #[Framework\Attributes\UsesClass(PhpVersion\Major::class)]
@@ -35,9 +37,9 @@ protected static function createRuleSet(?string $header = null): RuleSet
         return new RuleSet\Php54($header);
     }
 
-    protected function expectedCustomFixers(): iterable
+    protected function expectedCustomFixers(): Fixers
     {
-        yield from [];
+        return Fixers::empty();
     }
 
     protected function expectedName(): Name
diff --git a/test/Unit/RuleSet/Php55Test.php b/test/Unit/RuleSet/Php55Test.php
index 94017b11..215b77c9 100644
--- a/test/Unit/RuleSet/Php55Test.php
+++ b/test/Unit/RuleSet/Php55Test.php
@@ -14,6 +14,7 @@
 namespace Ergebnis\PhpCsFixer\Config\Test\Unit\RuleSet;
 
 use Ergebnis\PhpCsFixer\Config\Factory;
+use Ergebnis\PhpCsFixer\Config\Fixers;
 use Ergebnis\PhpCsFixer\Config\Name;
 use Ergebnis\PhpCsFixer\Config\PhpVersion;
 use Ergebnis\PhpCsFixer\Config\Rules;
@@ -22,6 +23,7 @@
 
 #[Framework\Attributes\CoversClass(RuleSet\Php55::class)]
 #[Framework\Attributes\UsesClass(Factory::class)]
+#[Framework\Attributes\UsesClass(Fixers::class)]
 #[Framework\Attributes\UsesClass(Name::class)]
 #[Framework\Attributes\UsesClass(PhpVersion::class)]
 #[Framework\Attributes\UsesClass(PhpVersion\Major::class)]
@@ -30,9 +32,9 @@
 #[Framework\Attributes\UsesClass(Rules::class)]
 final class Php55Test extends ExplicitRuleSetTestCase
 {
-    public function expectedCustomFixers(): iterable
+    protected function expectedCustomFixers(): Fixers
     {
-        yield from [];
+        return Fixers::empty();
     }
 
     protected static function createRuleSet(?string $header = null): RuleSet
diff --git a/test/Unit/RuleSet/Php56Test.php b/test/Unit/RuleSet/Php56Test.php
index d3039553..6e02c0e3 100644
--- a/test/Unit/RuleSet/Php56Test.php
+++ b/test/Unit/RuleSet/Php56Test.php
@@ -14,6 +14,7 @@
 namespace Ergebnis\PhpCsFixer\Config\Test\Unit\RuleSet;
 
 use Ergebnis\PhpCsFixer\Config\Factory;
+use Ergebnis\PhpCsFixer\Config\Fixers;
 use Ergebnis\PhpCsFixer\Config\Name;
 use Ergebnis\PhpCsFixer\Config\PhpVersion;
 use Ergebnis\PhpCsFixer\Config\Rules;
@@ -22,6 +23,7 @@
 
 #[Framework\Attributes\CoversClass(RuleSet\Php56::class)]
 #[Framework\Attributes\UsesClass(Factory::class)]
+#[Framework\Attributes\UsesClass(Fixers::class)]
 #[Framework\Attributes\UsesClass(Name::class)]
 #[Framework\Attributes\UsesClass(PhpVersion::class)]
 #[Framework\Attributes\UsesClass(PhpVersion\Major::class)]
@@ -35,9 +37,9 @@ protected static function createRuleSet(?string $header = null): RuleSet
         return new RuleSet\Php56($header);
     }
 
-    protected function expectedCustomFixers(): iterable
+    protected function expectedCustomFixers(): Fixers
     {
-        yield from [];
+        return Fixers::empty();
     }
 
     protected function expectedName(): Name
diff --git a/test/Unit/RuleSet/Php70Test.php b/test/Unit/RuleSet/Php70Test.php
index dbc1bd31..a1b553bb 100644
--- a/test/Unit/RuleSet/Php70Test.php
+++ b/test/Unit/RuleSet/Php70Test.php
@@ -14,6 +14,7 @@
 namespace Ergebnis\PhpCsFixer\Config\Test\Unit\RuleSet;
 
 use Ergebnis\PhpCsFixer\Config\Factory;
+use Ergebnis\PhpCsFixer\Config\Fixers;
 use Ergebnis\PhpCsFixer\Config\Name;
 use Ergebnis\PhpCsFixer\Config\PhpVersion;
 use Ergebnis\PhpCsFixer\Config\Rules;
@@ -22,6 +23,7 @@
 
 #[Framework\Attributes\CoversClass(RuleSet\Php70::class)]
 #[Framework\Attributes\UsesClass(Factory::class)]
+#[Framework\Attributes\UsesClass(Fixers::class)]
 #[Framework\Attributes\UsesClass(Name::class)]
 #[Framework\Attributes\UsesClass(PhpVersion::class)]
 #[Framework\Attributes\UsesClass(PhpVersion\Major::class)]
@@ -35,9 +37,9 @@ protected static function createRuleSet(?string $header = null): RuleSet
         return new RuleSet\Php70($header);
     }
 
-    protected function expectedCustomFixers(): iterable
+    protected function expectedCustomFixers(): Fixers
     {
-        yield from [];
+        return Fixers::empty();
     }
 
     protected function expectedName(): Name
diff --git a/test/Unit/RuleSet/Php71Test.php b/test/Unit/RuleSet/Php71Test.php
index 8143eb56..1d790421 100644
--- a/test/Unit/RuleSet/Php71Test.php
+++ b/test/Unit/RuleSet/Php71Test.php
@@ -14,6 +14,7 @@
 namespace Ergebnis\PhpCsFixer\Config\Test\Unit\RuleSet;
 
 use Ergebnis\PhpCsFixer\Config\Factory;
+use Ergebnis\PhpCsFixer\Config\Fixers;
 use Ergebnis\PhpCsFixer\Config\Name;
 use Ergebnis\PhpCsFixer\Config\PhpVersion;
 use Ergebnis\PhpCsFixer\Config\Rules;
@@ -22,6 +23,7 @@
 
 #[Framework\Attributes\CoversClass(RuleSet\Php71::class)]
 #[Framework\Attributes\UsesClass(Factory::class)]
+#[Framework\Attributes\UsesClass(Fixers::class)]
 #[Framework\Attributes\UsesClass(Name::class)]
 #[Framework\Attributes\UsesClass(PhpVersion::class)]
 #[Framework\Attributes\UsesClass(PhpVersion\Major::class)]
@@ -35,9 +37,9 @@ protected static function createRuleSet(?string $header = null): RuleSet
         return new RuleSet\Php71($header);
     }
 
-    protected function expectedCustomFixers(): iterable
+    protected function expectedCustomFixers(): Fixers
     {
-        yield from [];
+        return Fixers::empty();
     }
 
     protected function expectedName(): Name
diff --git a/test/Unit/RuleSet/Php72Test.php b/test/Unit/RuleSet/Php72Test.php
index a8f661a0..5c97b4ff 100644
--- a/test/Unit/RuleSet/Php72Test.php
+++ b/test/Unit/RuleSet/Php72Test.php
@@ -14,6 +14,7 @@
 namespace Ergebnis\PhpCsFixer\Config\Test\Unit\RuleSet;
 
 use Ergebnis\PhpCsFixer\Config\Factory;
+use Ergebnis\PhpCsFixer\Config\Fixers;
 use Ergebnis\PhpCsFixer\Config\Name;
 use Ergebnis\PhpCsFixer\Config\PhpVersion;
 use Ergebnis\PhpCsFixer\Config\Rules;
@@ -22,6 +23,7 @@
 
 #[Framework\Attributes\CoversClass(RuleSet\Php72::class)]
 #[Framework\Attributes\UsesClass(Factory::class)]
+#[Framework\Attributes\UsesClass(Fixers::class)]
 #[Framework\Attributes\UsesClass(Name::class)]
 #[Framework\Attributes\UsesClass(PhpVersion::class)]
 #[Framework\Attributes\UsesClass(PhpVersion\Major::class)]
@@ -35,9 +37,9 @@ protected static function createRuleSet(?string $header = null): RuleSet
         return new RuleSet\Php72($header);
     }
 
-    protected function expectedCustomFixers(): iterable
+    protected function expectedCustomFixers(): Fixers
     {
-        yield from [];
+        return Fixers::empty();
     }
 
     protected function expectedName(): Name
diff --git a/test/Unit/RuleSet/Php73Test.php b/test/Unit/RuleSet/Php73Test.php
index 656ef2cf..fd9e5ffc 100644
--- a/test/Unit/RuleSet/Php73Test.php
+++ b/test/Unit/RuleSet/Php73Test.php
@@ -14,6 +14,7 @@
 namespace Ergebnis\PhpCsFixer\Config\Test\Unit\RuleSet;
 
 use Ergebnis\PhpCsFixer\Config\Factory;
+use Ergebnis\PhpCsFixer\Config\Fixers;
 use Ergebnis\PhpCsFixer\Config\Name;
 use Ergebnis\PhpCsFixer\Config\PhpVersion;
 use Ergebnis\PhpCsFixer\Config\Rules;
@@ -22,6 +23,7 @@
 
 #[Framework\Attributes\CoversClass(RuleSet\Php73::class)]
 #[Framework\Attributes\UsesClass(Factory::class)]
+#[Framework\Attributes\UsesClass(Fixers::class)]
 #[Framework\Attributes\UsesClass(Name::class)]
 #[Framework\Attributes\UsesClass(PhpVersion::class)]
 #[Framework\Attributes\UsesClass(PhpVersion\Major::class)]
@@ -35,9 +37,9 @@ protected static function createRuleSet(?string $header = null): RuleSet
         return new RuleSet\Php73($header);
     }
 
-    protected function expectedCustomFixers(): iterable
+    protected function expectedCustomFixers(): Fixers
     {
-        yield from [];
+        return Fixers::empty();
     }
 
     protected function expectedName(): Name
diff --git a/test/Unit/RuleSet/Php74Test.php b/test/Unit/RuleSet/Php74Test.php
index 47ed1b60..eae645ee 100644
--- a/test/Unit/RuleSet/Php74Test.php
+++ b/test/Unit/RuleSet/Php74Test.php
@@ -14,6 +14,7 @@
 namespace Ergebnis\PhpCsFixer\Config\Test\Unit\RuleSet;
 
 use Ergebnis\PhpCsFixer\Config\Factory;
+use Ergebnis\PhpCsFixer\Config\Fixers;
 use Ergebnis\PhpCsFixer\Config\Name;
 use Ergebnis\PhpCsFixer\Config\PhpVersion;
 use Ergebnis\PhpCsFixer\Config\Rules;
@@ -22,6 +23,7 @@
 
 #[Framework\Attributes\CoversClass(RuleSet\Php74::class)]
 #[Framework\Attributes\UsesClass(Factory::class)]
+#[Framework\Attributes\UsesClass(Fixers::class)]
 #[Framework\Attributes\UsesClass(Name::class)]
 #[Framework\Attributes\UsesClass(PhpVersion::class)]
 #[Framework\Attributes\UsesClass(PhpVersion\Major::class)]
@@ -35,9 +37,9 @@ protected static function createRuleSet(?string $header = null): RuleSet
         return new RuleSet\Php74($header);
     }
 
-    protected function expectedCustomFixers(): iterable
+    protected function expectedCustomFixers(): Fixers
     {
-        yield from [];
+        return Fixers::empty();
     }
 
     protected function expectedName(): Name
diff --git a/test/Unit/RuleSet/Php80Test.php b/test/Unit/RuleSet/Php80Test.php
index f8f2e987..5efea246 100644
--- a/test/Unit/RuleSet/Php80Test.php
+++ b/test/Unit/RuleSet/Php80Test.php
@@ -14,6 +14,7 @@
 namespace Ergebnis\PhpCsFixer\Config\Test\Unit\RuleSet;
 
 use Ergebnis\PhpCsFixer\Config\Factory;
+use Ergebnis\PhpCsFixer\Config\Fixers;
 use Ergebnis\PhpCsFixer\Config\Name;
 use Ergebnis\PhpCsFixer\Config\PhpVersion;
 use Ergebnis\PhpCsFixer\Config\Rules;
@@ -22,6 +23,7 @@
 
 #[Framework\Attributes\CoversClass(RuleSet\Php80::class)]
 #[Framework\Attributes\UsesClass(Factory::class)]
+#[Framework\Attributes\UsesClass(Fixers::class)]
 #[Framework\Attributes\UsesClass(Name::class)]
 #[Framework\Attributes\UsesClass(PhpVersion::class)]
 #[Framework\Attributes\UsesClass(PhpVersion\Major::class)]
@@ -35,9 +37,9 @@ protected static function createRuleSet(?string $header = null): RuleSet
         return new RuleSet\Php80($header);
     }
 
-    protected function expectedCustomFixers(): iterable
+    protected function expectedCustomFixers(): Fixers
     {
-        yield from [];
+        return Fixers::empty();
     }
 
     protected function expectedName(): Name
diff --git a/test/Unit/RuleSet/Php81Test.php b/test/Unit/RuleSet/Php81Test.php
index 081c5fa7..58d8d1fc 100644
--- a/test/Unit/RuleSet/Php81Test.php
+++ b/test/Unit/RuleSet/Php81Test.php
@@ -14,6 +14,7 @@
 namespace Ergebnis\PhpCsFixer\Config\Test\Unit\RuleSet;
 
 use Ergebnis\PhpCsFixer\Config\Factory;
+use Ergebnis\PhpCsFixer\Config\Fixers;
 use Ergebnis\PhpCsFixer\Config\Name;
 use Ergebnis\PhpCsFixer\Config\PhpVersion;
 use Ergebnis\PhpCsFixer\Config\Rules;
@@ -22,6 +23,7 @@
 
 #[Framework\Attributes\CoversClass(RuleSet\Php81::class)]
 #[Framework\Attributes\UsesClass(Factory::class)]
+#[Framework\Attributes\UsesClass(Fixers::class)]
 #[Framework\Attributes\UsesClass(Name::class)]
 #[Framework\Attributes\UsesClass(PhpVersion::class)]
 #[Framework\Attributes\UsesClass(PhpVersion\Major::class)]
@@ -35,9 +37,9 @@ protected static function createRuleSet(?string $header = null): RuleSet
         return new RuleSet\Php81($header);
     }
 
-    protected function expectedCustomFixers(): iterable
+    protected function expectedCustomFixers(): Fixers
     {
-        yield from [];
+        return Fixers::empty();
     }
 
     protected function expectedName(): Name
diff --git a/test/Unit/RuleSet/Php82Test.php b/test/Unit/RuleSet/Php82Test.php
index 3575bb2b..fc06a4eb 100644
--- a/test/Unit/RuleSet/Php82Test.php
+++ b/test/Unit/RuleSet/Php82Test.php
@@ -14,6 +14,7 @@
 namespace Ergebnis\PhpCsFixer\Config\Test\Unit\RuleSet;
 
 use Ergebnis\PhpCsFixer\Config\Factory;
+use Ergebnis\PhpCsFixer\Config\Fixers;
 use Ergebnis\PhpCsFixer\Config\Name;
 use Ergebnis\PhpCsFixer\Config\PhpVersion;
 use Ergebnis\PhpCsFixer\Config\Rules;
@@ -22,6 +23,7 @@
 
 #[Framework\Attributes\CoversClass(RuleSet\Php82::class)]
 #[Framework\Attributes\UsesClass(Factory::class)]
+#[Framework\Attributes\UsesClass(Fixers::class)]
 #[Framework\Attributes\UsesClass(Name::class)]
 #[Framework\Attributes\UsesClass(PhpVersion::class)]
 #[Framework\Attributes\UsesClass(PhpVersion\Major::class)]
@@ -35,9 +37,9 @@ protected static function createRuleSet(?string $header = null): RuleSet
         return new RuleSet\Php82($header);
     }
 
-    protected function expectedCustomFixers(): iterable
+    protected function expectedCustomFixers(): Fixers
     {
-        yield from [];
+        return Fixers::empty();
     }
 
     protected function expectedName(): Name