https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Core%21Render%21ElementInfoManager.php/function/ElementInfoManager%3A%3AgetInfoProperty/10
function ElementInfoManager::getInfoProperty | Drupal API
functiondrupalapi
https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Core%21Render%21ElementInfoManager.php/class/ElementInfoManager/main
class ElementInfoManager | Drupal API
classdrupalapi