FinalPrivateToPrivateVisibilityRector

Changes method visibility from final private to only private

 class SomeClass
 {
-    final private function getter() {
+    private function getter() {
         return $this;
     }
 }

Configure your rector.php:

<?php

use Rector\Config\RectorConfig;
use Rector\Php80\Rector\ClassMethod\FinalPrivateToPrivateVisibilityRector;

return RectorConfig::configure()
    ->withRules([
        FinalPrivateToPrivateVisibilityRector::class,
    ]);
SETS:  PHP 8.0