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Configurable

ReplaceCommentManagerGetCountNewCommentsRector

Replaces deprecated CommentManagerInterface::getCountNewComments() with HistoryManager service

-$this->commentManager->getCountNewComments($entity);
+\Drupal::service(\Drupal\history\HistoryManager::class)->getCountNewComments($entity);

Configure your rector.php:

<?php

use DrupalRector\Drupal11\Rector\Deprecation\ReplaceCommentManagerGetCountNewCommentsRector;
use DrupalRector\Rector\ValueObject\DrupalIntroducedVersionConfiguration;
use Rector\Config\RectorConfig;

return RectorConfig::configure()
    ->withConfiguredRule(ReplaceCommentManagerGetCountNewCommentsRector::class, [
        new DrupalIntroducedVersionConfiguration('11.3.0'),
    ]);