diff --git a/config/set/type-declaration-docblocks.php b/config/set/type-declaration-docblocks.php
index ef4ba27d115..69f0c3d21b7 100644
--- a/config/set/type-declaration-docblocks.php
+++ b/config/set/type-declaration-docblocks.php
@@ -6,6 +6,7 @@
 use Rector\TypeDeclaration\Rector\ClassMethod\AddReturnArrayDocblockBasedOnArrayMapRector;
 use Rector\TypeDeclaration\Rector\ClassMethod\AddReturnDocblockForScalarArrayFromAssignsRector;
 use Rector\TypeDeclarationDocblocks\Rector\Class_\DocblockVarFromParamDocblockInConstructorRector;
+use Rector\TypeDeclarationDocblocks\Rector\ClassMethod\AddReturnDocblockForCommonObjectDenominatorRector;
 use Rector\TypeDeclarationDocblocks\Rector\ClassMethod\DocblockGetterReturnArrayFromPropertyDocblockVarRector;
 
 /**
@@ -18,5 +19,6 @@
         DocblockVarFromParamDocblockInConstructorRector::class,
         DocblockVarFromParamDocblockInConstructorRector::class,
         DocblockGetterReturnArrayFromPropertyDocblockVarRector::class,
+        AddReturnDocblockForCommonObjectDenominatorRector::class,
     ]);
 };
diff --git a/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/AddReturnDocblockForCommonObjectDenominatorRectorTest.php b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/AddReturnDocblockForCommonObjectDenominatorRectorTest.php
new file mode 100644
index 00000000000..d26637482f4
--- /dev/null
+++ b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/AddReturnDocblockForCommonObjectDenominatorRectorTest.php
@@ -0,0 +1,28 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\Tests\TypeDeclarationDocblocks\Rector\ClassMethod\AddReturnDocblockForCommonObjectDenominatorRector;
+
+use Iterator;
+use PHPUnit\Framework\Attributes\DataProvider;
+use Rector\Testing\PHPUnit\AbstractRectorTestCase;
+
+final class AddReturnDocblockForCommonObjectDenominatorRectorTest extends AbstractRectorTestCase
+{
+    #[DataProvider('provideData')]
+    public function test(string $filePath): void
+    {
+        $this->doTestFile($filePath);
+    }
+
+    public static function provideData(): Iterator
+    {
+        return self::yieldFilesFromDirectory(__DIR__ . '/Fixture');
+    }
+
+    public function provideConfigFilePath(): string
+    {
+        return __DIR__ . '/config/configured_rule.php';
+    }
+}
diff --git a/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/Fixture/return_of_objects.php.inc b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/Fixture/return_of_objects.php.inc
new file mode 100644
index 00000000000..b5f4e7c69a7
--- /dev/null
+++ b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/Fixture/return_of_objects.php.inc
@@ -0,0 +1,42 @@
+<?php
+
+namespace Rector\Tests\TypeDeclarationDocblocks\Rector\ClassMethod\AddReturnDocblockForCommonObjectDenominatorRector\Fixture;
+
+use Rector\Tests\TypeDeclarationDocblocks\Rector\ClassMethod\AddReturnDocblockForCommonObjectDenominatorRector\Source\FirstExtension;
+use Rector\Tests\TypeDeclarationDocblocks\Rector\ClassMethod\AddReturnDocblockForCommonObjectDenominatorRector\Source\SecondExtension;
+
+final class ReturnOfObjects
+{
+    public function getExtensions(): array
+    {
+        return [
+            new FirstExtension(),
+            new SecondExtension()
+        ];
+    }
+}
+
+?>
+-----
+<?php
+
+namespace Rector\Tests\TypeDeclarationDocblocks\Rector\ClassMethod\AddReturnDocblockForCommonObjectDenominatorRector\Fixture;
+
+use Rector\Tests\TypeDeclarationDocblocks\Rector\ClassMethod\AddReturnDocblockForCommonObjectDenominatorRector\Source\FirstExtension;
+use Rector\Tests\TypeDeclarationDocblocks\Rector\ClassMethod\AddReturnDocblockForCommonObjectDenominatorRector\Source\SecondExtension;
+
+final class ReturnOfObjects
+{
+    /**
+     * @return \Rector\Tests\TypeDeclarationDocblocks\Rector\ClassMethod\AddReturnDocblockForCommonObjectDenominatorRector\Source\Contract\ExtensionInterface[]
+     */
+    public function getExtensions(): array
+    {
+        return [
+            new FirstExtension(),
+            new SecondExtension()
+        ];
+    }
+}
+
+?>
diff --git a/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/Fixture/skip_mix_of_object_and_scalar.php.inc b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/Fixture/skip_mix_of_object_and_scalar.php.inc
new file mode 100644
index 00000000000..47df3ade2b9
--- /dev/null
+++ b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/Fixture/skip_mix_of_object_and_scalar.php.inc
@@ -0,0 +1,16 @@
+<?php
+
+namespace Rector\Tests\TypeDeclarationDocblocks\Rector\ClassMethod\AddReturnDocblockForCommonObjectDenominatorRector\Fixture;
+
+use Rector\Tests\TypeDeclarationDocblocks\Rector\ClassMethod\AddReturnDocblockForCommonObjectDenominatorRector\Source\FirstExtension;
+
+final class ReturnOfObjects
+{
+    public function getExtensions(): array
+    {
+        return [
+            new FirstExtension(),
+            555
+        ];
+    }
+}
diff --git a/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/Fixture/skip_objects_without_parents.php.inc b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/Fixture/skip_objects_without_parents.php.inc
new file mode 100644
index 00000000000..c1607dbdd14
--- /dev/null
+++ b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/Fixture/skip_objects_without_parents.php.inc
@@ -0,0 +1,17 @@
+<?php
+
+namespace Rector\Tests\TypeDeclarationDocblocks\Rector\ClassMethod\AddReturnDocblockForCommonObjectDenominatorRector\Fixture;
+
+use Rector\Tests\TypeDeclarationDocblocks\Rector\ClassMethod\AddReturnDocblockForCommonObjectDenominatorRector\Source\FirstOrphan;
+use Rector\Tests\TypeDeclarationDocblocks\Rector\ClassMethod\AddReturnDocblockForCommonObjectDenominatorRector\Source\SecondOrphan;
+
+final class SkipObjectsWithoutParents
+{
+    public function getExtensions(): array
+    {
+        return [
+            new FirstOrphan(),
+            new SecondOrphan()
+        ];
+    }
+}
diff --git a/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/Fixture/skip_objects_without_shared_parent.php.inc b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/Fixture/skip_objects_without_shared_parent.php.inc
new file mode 100644
index 00000000000..87be9a19aed
--- /dev/null
+++ b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/Fixture/skip_objects_without_shared_parent.php.inc
@@ -0,0 +1,17 @@
+<?php
+
+namespace Rector\Tests\TypeDeclarationDocblocks\Rector\ClassMethod\AddReturnDocblockForCommonObjectDenominatorRector\Fixture;
+
+use Rector\Tests\TypeDeclarationDocblocks\Rector\ClassMethod\AddReturnDocblockForCommonObjectDenominatorRector\Source\AnotherExtensionWithDifferentInterface;
+use Rector\Tests\TypeDeclarationDocblocks\Rector\ClassMethod\AddReturnDocblockForCommonObjectDenominatorRector\Source\FirstExtension;
+
+final class SkipObjectsWithoutSharedParent
+{
+    public function getExtensions(): array
+    {
+        return [
+            new FirstExtension(),
+            new AnotherExtensionWithDifferentInterface(),
+        ];
+    }
+}
diff --git a/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/Fixture/skip_scalars.php.inc b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/Fixture/skip_scalars.php.inc
new file mode 100644
index 00000000000..93980ed25ef
--- /dev/null
+++ b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/Fixture/skip_scalars.php.inc
@@ -0,0 +1,15 @@
+<?php
+
+namespace Rector\Tests\TypeDeclarationDocblocks\Rector\ClassMethod\AddReturnDocblockForCommonObjectDenominatorRector\Fixture;
+
+final class SkipScalars
+{
+    public function getExtensions(): array
+    {
+        return [
+            'two',
+            'five'
+        ];
+    }
+}
+
diff --git a/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/Source/AnotherExtensionWithDifferentInterface.php b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/Source/AnotherExtensionWithDifferentInterface.php
new file mode 100644
index 00000000000..8c31b52bd5a
--- /dev/null
+++ b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/Source/AnotherExtensionWithDifferentInterface.php
@@ -0,0 +1,9 @@
+<?php
+
+namespace Rector\Tests\TypeDeclarationDocblocks\Rector\ClassMethod\AddReturnDocblockForCommonObjectDenominatorRector\Source;
+
+use Rector\Tests\TypeDeclarationDocblocks\Rector\ClassMethod\AddReturnDocblockForCommonObjectDenominatorRector\Source\Contract\DifferentInterface;
+
+final class AnotherExtensionWithDifferentInterface implements DifferentInterface
+{
+}
diff --git a/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/Source/Contract/DifferentInterface.php b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/Source/Contract/DifferentInterface.php
new file mode 100644
index 00000000000..adba6087db7
--- /dev/null
+++ b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/Source/Contract/DifferentInterface.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace Rector\Tests\TypeDeclarationDocblocks\Rector\ClassMethod\AddReturnDocblockForCommonObjectDenominatorRector\Source\Contract;
+
+interface DifferentInterface
+{
+
+}
diff --git a/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/Source/Contract/ExtensionInterface.php b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/Source/Contract/ExtensionInterface.php
new file mode 100644
index 00000000000..5b65f288473
--- /dev/null
+++ b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/Source/Contract/ExtensionInterface.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace Rector\Tests\TypeDeclarationDocblocks\Rector\ClassMethod\AddReturnDocblockForCommonObjectDenominatorRector\Source\Contract;
+
+interface ExtensionInterface
+{
+
+}
diff --git a/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/Source/FirstExtension.php b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/Source/FirstExtension.php
new file mode 100644
index 00000000000..522f9b332a5
--- /dev/null
+++ b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/Source/FirstExtension.php
@@ -0,0 +1,9 @@
+<?php
+
+namespace Rector\Tests\TypeDeclarationDocblocks\Rector\ClassMethod\AddReturnDocblockForCommonObjectDenominatorRector\Source;
+
+use Rector\Tests\TypeDeclarationDocblocks\Rector\ClassMethod\AddReturnDocblockForCommonObjectDenominatorRector\Source\Contract\ExtensionInterface;
+
+final class FirstExtension implements ExtensionInterface
+{
+}
diff --git a/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/Source/FirstOrphan.php b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/Source/FirstOrphan.php
new file mode 100644
index 00000000000..ccf023dca0d
--- /dev/null
+++ b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/Source/FirstOrphan.php
@@ -0,0 +1,7 @@
+<?php
+
+namespace Rector\Tests\TypeDeclarationDocblocks\Rector\ClassMethod\AddReturnDocblockForCommonObjectDenominatorRector\Source;
+
+final class FirstOrphan
+{
+}
diff --git a/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/Source/SecondExtension.php b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/Source/SecondExtension.php
new file mode 100644
index 00000000000..b75d2d7efb3
--- /dev/null
+++ b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/Source/SecondExtension.php
@@ -0,0 +1,9 @@
+<?php
+
+namespace Rector\Tests\TypeDeclarationDocblocks\Rector\ClassMethod\AddReturnDocblockForCommonObjectDenominatorRector\Source;
+
+use Rector\Tests\TypeDeclarationDocblocks\Rector\ClassMethod\AddReturnDocblockForCommonObjectDenominatorRector\Source\Contract\ExtensionInterface;
+
+final class SecondExtension implements ExtensionInterface
+{
+}
diff --git a/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/Source/SecondOrphan.php b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/Source/SecondOrphan.php
new file mode 100644
index 00000000000..b0d09bd6fbf
--- /dev/null
+++ b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/Source/SecondOrphan.php
@@ -0,0 +1,7 @@
+<?php
+
+namespace Rector\Tests\TypeDeclarationDocblocks\Rector\ClassMethod\AddReturnDocblockForCommonObjectDenominatorRector\Source;
+
+final class SecondOrphan
+{
+}
diff --git a/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/config/configured_rule.php b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/config/configured_rule.php
new file mode 100644
index 00000000000..5a879adcb8d
--- /dev/null
+++ b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector/config/configured_rule.php
@@ -0,0 +1,9 @@
+<?php
+
+declare(strict_types=1);
+
+use Rector\Config\RectorConfig;
+use Rector\TypeDeclarationDocblocks\Rector\ClassMethod\AddReturnDocblockForCommonObjectDenominatorRector;
+
+return RectorConfig::configure()
+    ->withRules([AddReturnDocblockForCommonObjectDenominatorRector::class]);
diff --git a/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/DocblockReturnArrayFromDirectArrayInstanceRector/Fixture/function_return.php.inc b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/DocblockReturnArrayFromDirectArrayInstanceRector/Fixture/function_return.php.inc
new file mode 100644
index 00000000000..a18a5a568fe
--- /dev/null
+++ b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/DocblockReturnArrayFromDirectArrayInstanceRector/Fixture/function_return.php.inc
@@ -0,0 +1,28 @@
+<?php
+
+namespace Rector\Tests\TypeDeclarationDocblocks\Rector\ClassMethod\DocblockReturnArrayFromDirectArrayInstanceRector\Fixture;
+
+function functionReturn()
+{
+    return [
+        'key' => 'value',
+    ];
+}
+
+?>
+-----
+<?php
+
+namespace Rector\Tests\TypeDeclarationDocblocks\Rector\ClassMethod\DocblockReturnArrayFromDirectArrayInstanceRector\Fixture;
+
+/**
+ * @return array<string, string>
+ */
+function functionReturn()
+{
+    return [
+        'key' => 'value',
+    ];
+}
+
+?>
diff --git a/rules/CodingStyle/Rector/FuncCall/ArraySpreadInsteadOfArrayMergeRector.php b/rules/CodingStyle/Rector/FuncCall/ArraySpreadInsteadOfArrayMergeRector.php
index da0cccb5cd4..cdcf424659f 100644
--- a/rules/CodingStyle/Rector/FuncCall/ArraySpreadInsteadOfArrayMergeRector.php
+++ b/rules/CodingStyle/Rector/FuncCall/ArraySpreadInsteadOfArrayMergeRector.php
@@ -140,7 +140,8 @@ private function shouldSkipArrayForInvalidKeys(Expr $expr): bool
             // @see https://3v4l.org/DuYHu#v7.4.33
             if (! $this->phpVersionProvider->isAtLeastPhpVersion(PhpVersionFeature::ARRAY_ON_ARRAY_MERGE)) {
                 $nativeType = $this->nodeTypeResolver->getNativeType($expr);
-                return ! $nativeType->isArray()->yes();
+                return ! $nativeType->isArray()
+                    ->yes();
             }
 
             return false;
diff --git a/rules/TypeDeclarationDocblocks/NodeFinder/ReturnNodeFinder.php b/rules/TypeDeclarationDocblocks/NodeFinder/ReturnNodeFinder.php
new file mode 100644
index 00000000000..4835d8b5111
--- /dev/null
+++ b/rules/TypeDeclarationDocblocks/NodeFinder/ReturnNodeFinder.php
@@ -0,0 +1,30 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\TypeDeclarationDocblocks\NodeFinder;
+
+use PhpParser\Node\Stmt\ClassMethod;
+use PhpParser\Node\Stmt\Function_;
+use PhpParser\Node\Stmt\Return_;
+use Rector\PhpParser\Node\BetterNodeFinder;
+use Rector\TypeDeclaration\NodeAnalyzer\ReturnAnalyzer;
+
+final readonly class ReturnNodeFinder
+{
+    public function __construct(
+        private BetterNodeFinder $betterNodeFinder,
+        private ReturnAnalyzer $returnAnalyzer,
+    ) {
+    }
+
+    public function findOnlyReturnWithExpr(ClassMethod|Function_ $functionLike): ?Return_
+    {
+        $returnsScoped = $this->betterNodeFinder->findReturnsScoped($functionLike);
+        if (! $this->returnAnalyzer->hasOnlyReturnWithExpr($functionLike, $returnsScoped)) {
+            return null;
+        }
+
+        return $returnsScoped[0];
+    }
+}
diff --git a/rules/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector.php b/rules/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector.php
new file mode 100644
index 00000000000..5e61dccd78e
--- /dev/null
+++ b/rules/TypeDeclarationDocblocks/Rector/ClassMethod/AddReturnDocblockForCommonObjectDenominatorRector.php
@@ -0,0 +1,180 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\TypeDeclarationDocblocks\Rector\ClassMethod;
+
+use PhpParser\Node;
+use PhpParser\Node\Expr;
+use PhpParser\Node\Stmt\ClassMethod;
+use PhpParser\Node\Stmt\Function_;
+use PhpParser\Node\Stmt\Return_;
+use PHPStan\Reflection\ReflectionProvider;
+use PHPStan\Type\ArrayType;
+use PHPStan\Type\Constant\ConstantArrayType;
+use PHPStan\Type\MixedType;
+use Rector\BetterPhpDocParser\PhpDocInfo\PhpDocInfoFactory;
+use Rector\BetterPhpDocParser\PhpDocManipulator\PhpDocTypeChanger;
+use Rector\Rector\AbstractRector;
+use Rector\StaticTypeMapper\ValueObject\Type\FullyQualifiedObjectType;
+use Rector\TypeDeclarationDocblocks\NodeFinder\ReturnNodeFinder;
+use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
+use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
+
+/**
+ * @see \Rector\Tests\TypeDeclarationDocblocks\Rector\ClassMethod\AddReturnDocblockForCommonObjectDenominatorRector\AddReturnDocblockForCommonObjectDenominatorRectorTest
+ */
+final class AddReturnDocblockForCommonObjectDenominatorRector extends AbstractRector
+{
+    public function __construct(
+        private readonly PhpDocInfoFactory $phpDocInfoFactory,
+        private readonly ReturnNodeFinder $returnNodeFinder,
+        private readonly ReflectionProvider $reflectionProvider,
+        private readonly PhpDocTypeChanger $phpDocTypeChanger,
+    ) {
+    }
+
+    public function getRuleDefinition(): RuleDefinition
+    {
+        return new RuleDefinition(
+            'Add @return docblock array of objects, that have common denominator interface/parent class',
+            [
+                new CodeSample(
+                    <<<'CODE_SAMPLE'
+final class ExtensionProvider
+{
+    public function getExtensions(): array
+    {
+        return [
+            new FirstExtension(),
+            new SecondExtension(),
+        ];
+    }
+}
+
+class FirstExtension implements ExtensionInterface
+{
+}
+
+class SecondExtension implements ExtensionInterface
+{
+}
+CODE_SAMPLE
+                    ,
+                    <<<'CODE_SAMPLE'
+final class ExtensionProvider
+{
+    /**
+     * @return ExtensionInterface[]
+     */
+    public function getExtensions(): array
+    {
+        return [
+            new FirstExtension(),
+            new SecondExtension(),
+        ];
+    }
+}
+
+class FirstExtension implements ExtensionInterface
+{
+}
+
+class SecondExtension implements ExtensionInterface
+{
+}
+CODE_SAMPLE
+                ),
+
+            ]
+        );
+    }
+
+    /**
+     * @return array<class-string<Node>>
+     */
+    public function getNodeTypes(): array
+    {
+        return [ClassMethod::class, Function_::class];
+    }
+
+    /**
+     * @param ClassMethod|Function_ $node
+     */
+    public function refactor(Node $node): ?Node
+    {
+        $phpDocInfo = $this->phpDocInfoFactory->createFromNodeOrEmpty($node);
+        $returnType = $phpDocInfo->getReturnType();
+
+        if (! $returnType instanceof MixedType || $returnType->isExplicitMixed()) {
+            return null;
+        }
+
+        // definitely not an array return
+        if ($node->returnType instanceof Node && ! $this->isName($node->returnType, 'array')) {
+            return null;
+        }
+
+        $onlyReturnWithExpr = $this->returnNodeFinder->findOnlyReturnWithExpr($node);
+        if (! $onlyReturnWithExpr instanceof Return_ || ! $onlyReturnWithExpr->expr instanceof Expr) {
+            return null;
+        }
+
+        $returnedType = $this->getType($onlyReturnWithExpr->expr);
+        if (! $returnedType instanceof ConstantArrayType) {
+            return null;
+        }
+
+        $referencedClasses = [];
+        foreach ($returnedType->getValueTypes() as $valueType) {
+            // each item must refer some classes
+            if ($valueType->getReferencedClasses() === []) {
+                return null;
+            }
+
+            $referencedClasses = array_merge($referencedClasses, $valueType->getReferencedClasses());
+        }
+
+        // nothing to find here
+        if ($referencedClasses === []) {
+            return null;
+        }
+
+        $parentClassesAndInterfaces = [];
+
+        foreach ($referencedClasses as $referencedClass) {
+            $parentClassesAndInterfaces[] = $this->resolveParentClassesAndInterfaces($referencedClass);
+        }
+
+        $firstSharedTypes = array_intersect(...$parentClassesAndInterfaces);
+        $firstSharedType = $firstSharedTypes[0] ?? null;
+
+        if ($firstSharedType === null) {
+            return null;
+        }
+
+        $objectTypeArrayType = new ArrayType(new MixedType(), new FullyQualifiedObjectType($firstSharedType));
+        $hasChanged = $this->phpDocTypeChanger->changeReturnType($node, $phpDocInfo, $objectTypeArrayType);
+        if (! $hasChanged) {
+            return null;
+        }
+
+        return $node;
+    }
+
+    /**
+     * @return string[]
+     */
+    private function resolveParentClassesAndInterfaces(string $className): array
+    {
+        $referenceClassReflection = $this->reflectionProvider->getClass($className);
+
+        $currentParentClassesAndInterfaces = $referenceClassReflection->getParentClassesNames();
+
+        foreach ($referenceClassReflection->getInterfaces() as $classReflection) {
+            $currentParentClassesAndInterfaces[] = $classReflection->getName();
+        }
+
+        return $currentParentClassesAndInterfaces;
+    }
+}
diff --git a/rules/TypeDeclarationDocblocks/Rector/ClassMethod/DocblockReturnArrayFromDirectArrayInstanceRector.php b/rules/TypeDeclarationDocblocks/Rector/ClassMethod/DocblockReturnArrayFromDirectArrayInstanceRector.php
index 1e5e51fdb2e..a9b42199b82 100644
--- a/rules/TypeDeclarationDocblocks/Rector/ClassMethod/DocblockReturnArrayFromDirectArrayInstanceRector.php
+++ b/rules/TypeDeclarationDocblocks/Rector/ClassMethod/DocblockReturnArrayFromDirectArrayInstanceRector.php
@@ -7,6 +7,7 @@
 use PhpParser\Node;
 use PhpParser\Node\Expr\Array_;
 use PhpParser\Node\Stmt\ClassMethod;
+use PhpParser\Node\Stmt\Function_;
 use PhpParser\Node\Stmt\Return_;
 use PHPStan\PhpDocParser\Ast\PhpDoc\ReturnTagValueNode;
 use PHPStan\PhpDocParser\Ast\Type\GenericTypeNode;
@@ -39,7 +40,7 @@ public function __construct(
 
     public function getNodeTypes(): array
     {
-        return [ClassMethod::class];
+        return [ClassMethod::class, Function_::class];
     }
 
     public function getRuleDefinition(): RuleDefinition
@@ -81,7 +82,7 @@ public function getItems(): array
     }
 
     /**
-     * @param ClassMethod $node
+     * @param ClassMethod|Function_ $node
      */
     public function refactor(Node $node): ?Node
     {