ReturnTypeFromReturnNewRector

Add return type to function like with return new

 final class SomeClass
 {
-    public function create()
+    public function create(): Project
     {
         return new Project();
     }
 }

Configure your rector.php:

<?php

use Rector\Config\RectorConfig;
use Rector\TypeDeclaration\Rector\ClassMethod\ReturnTypeFromReturnNewRector;

return RectorConfig::configure()
    ->withRules([
        ReturnTypeFromReturnNewRector::class,
    ]);