https://api.drupal.org/api/drupal/core%21modules%21config_translation%21src%21Controller%21ConfigTranslationFieldListBuilder.php/8.9.x
ConfigTranslationFieldListBuilder.php | Drupal API
phpdrupalapi
https://api.drupal.org/api/drupal/core%21modules%21config_translation%21src%21Controller%21ConfigTranslationFieldListBuilder.php/function/ConfigTranslationFieldListBuilder%3A%3AbuildHeader/11.x
function ConfigTranslationFieldListBuilder::buildHeader | Drupal API
functiondrupalapi