ConvertStaticToSelfRector

Change static::* to self::* on final class or private static members

 final class SomeClass
 {
     public function run()
     {
-        static::CONSTANT;
-        static::$property;
-        static::method();
+        self::CONSTANT;
+        self::$property;
+        self::method();
     }
 }

Configure your rector.php:

<?php

use Rector\CodeQuality\Rector\Class_\ConvertStaticToSelfRector;
use Rector\Config\RectorConfig;

return RectorConfig::configure()
    ->withRules([
        ConvertStaticToSelfRector::class,
    ]);
SETS:  Code Quality