From 4b02caa187605f4b9714030f76f8bdecb6ca1589 Mon Sep 17 00:00:00 2001
From: Tomas Votruba <tomas.vot@gmail.com>
Date: Mon, 15 Sep 2025 12:48:29 +0200
Subject: [PATCH 1/2] add fixture

---
 .../Fixture/Nesting/not_too_complex.php.inc   | 45 +++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/DocblockReturnArrayFromDirectArrayInstanceRector/Fixture/Nesting/not_too_complex.php.inc

diff --git a/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/DocblockReturnArrayFromDirectArrayInstanceRector/Fixture/Nesting/not_too_complex.php.inc b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/DocblockReturnArrayFromDirectArrayInstanceRector/Fixture/Nesting/not_too_complex.php.inc
new file mode 100644
index 00000000000..8d8b4db6c97
--- /dev/null
+++ b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/DocblockReturnArrayFromDirectArrayInstanceRector/Fixture/Nesting/not_too_complex.php.inc
@@ -0,0 +1,45 @@
+<?php
+
+namespace Rector\Tests\TypeDeclarationDocblocks\Rector\ClassMethod\DocblockReturnArrayFromDirectArrayInstanceRector\Fixture\Nesting;
+
+final class AvoidExtremeNesting
+{
+   public function run(): array
+    {
+        return [
+            'receipts' => 1000,
+            'bookStock' => '1000.0',
+            'dipStock' => 100.5,
+            'lossGain' => -1000,
+            'lossGainPercentage' => '1000%',
+            'accumulatedLossGain' => -135000,
+        ];
+    }
+}
+
+?>
+-----
+<?php
+
+namespace Rector\Tests\TypeDeclarationDocblocks\Rector\ClassMethod\DocblockReturnArrayFromDirectArrayInstanceRector\Fixture\Nesting;
+
+final class AvoidExtremeNesting
+{
+   /**
+    * @return array<string, int|string|float>
+    */
+   public function run(): array
+    {
+        return [
+            'receipts' => 1000,
+            'sales' => 1000,
+            'bookStock' => '1000.0',
+            'dipStock' => 100.5,
+            'lossGain' => -1000,
+            'lossGainPercentage' => '1000%',
+            'accumulatedLossGain' => -135000,
+        ];
+    }
+}
+
+?>

From 2f5acd9daeef3d5d9355661422a81a32f8ffca77 Mon Sep 17 00:00:00 2001
From: Tomas Votruba <tomas.vot@gmail.com>
Date: Mon, 15 Sep 2025 12:50:08 +0200
Subject: [PATCH 2/2] fix uniquate

---
 .../Fixture/Nesting/not_too_complex.php.inc   | 25 +++++++++----------
 .../TypeManipulator/TypeNormalizer.php        |  2 +-
 2 files changed, 13 insertions(+), 14 deletions(-)

diff --git a/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/DocblockReturnArrayFromDirectArrayInstanceRector/Fixture/Nesting/not_too_complex.php.inc b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/DocblockReturnArrayFromDirectArrayInstanceRector/Fixture/Nesting/not_too_complex.php.inc
index 8d8b4db6c97..20f86cb5131 100644
--- a/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/DocblockReturnArrayFromDirectArrayInstanceRector/Fixture/Nesting/not_too_complex.php.inc
+++ b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/DocblockReturnArrayFromDirectArrayInstanceRector/Fixture/Nesting/not_too_complex.php.inc
@@ -7,12 +7,12 @@ final class AvoidExtremeNesting
    public function run(): array
     {
         return [
-            'receipts' => 1000,
-            'bookStock' => '1000.0',
-            'dipStock' => 100.5,
-            'lossGain' => -1000,
-            'lossGainPercentage' => '1000%',
-            'accumulatedLossGain' => -135000,
+            'key1' => 123,
+            'key2' => '456.7',
+            'key3' => 89.0,
+            'key4' => -42,
+            'key5' => '12%',
+            'key6' => -9999,
         ];
     }
 }
@@ -31,13 +31,12 @@ final class AvoidExtremeNesting
    public function run(): array
     {
         return [
-            'receipts' => 1000,
-            'sales' => 1000,
-            'bookStock' => '1000.0',
-            'dipStock' => 100.5,
-            'lossGain' => -1000,
-            'lossGainPercentage' => '1000%',
-            'accumulatedLossGain' => -135000,
+            'key1' => 123,
+            'key2' => '456.7',
+            'key3' => 89.0,
+            'key4' => -42,
+            'key5' => '12%',
+            'key6' => -9999,
         ];
     }
 }
diff --git a/rules/Privatization/TypeManipulator/TypeNormalizer.php b/rules/Privatization/TypeManipulator/TypeNormalizer.php
index cf395806d90..90664309bdd 100644
--- a/rules/Privatization/TypeManipulator/TypeNormalizer.php
+++ b/rules/Privatization/TypeManipulator/TypeNormalizer.php
@@ -98,7 +98,7 @@ public function generalizeConstantTypes(Type $type): Type
                 $uniqueGeneralizedUnionTypes = $this->typeFactory->uniquateTypes($generalizedUnionedTypes);
 
                 if (count($uniqueGeneralizedUnionTypes) > 1) {
-                    $generalizedUnionType = new UnionType($generalizedUnionedTypes);
+                    $generalizedUnionType = new UnionType($uniqueGeneralizedUnionTypes);
                     // avoid too huge print in docblock
                     $unionedDocType = $this->staticTypeMapper->mapPHPStanTypeToPHPStanPhpDocTypeNode(
                         $generalizedUnionType