rector/rules/RemovingStatic/UniqueObjectOrServiceDetector.php

<?php

declare (strict_types=1);
namespace Rector\RemovingStatic;

final class UniqueObjectOrServiceDetector
{
    public function isUniqueObject() : bool
    {
        // ideas:
        // hook in container?
        // has scalar arguments?
        // is created by new X in the code? → add "NewNodeCollector"
        // fallback for now :)
        return \true;
    }
}