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Configurable

DeprecatedFilterFunctionsRector

Replace deprecated _filter_autop(), _filter_html_escape(), and _filter_html_image_secure_process() with plugin manager calls.

-_filter_autop($text)
+\Drupal::service('plugin.manager.filter')->createInstance('filter_autop')->process($text, \Drupal::languageManager()->getCurrentLanguage()->getId())->getProcessedText()

Configure your rector.php:

<?php

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

return RectorConfig::configure()
    ->withConfiguredRule(DeprecatedFilterFunctionsRector::class, [
        new DrupalIntroducedVersionConfiguration('11.4.0'),
    ]);