https://api.drupal.org/api/drupal/core%21modules%21user%21src%21UserInterface.php/function/UserInterface%3A%3AsetEmail/11.x
function UserInterface::setEmail | Drupal API
functionuserinterfacedrupalapi
https://api.drupal.org/api/drupal/core%21modules%21user%21src%21UserInterface.php/function/UserInterface%3A%3AsetEmail/10
function UserInterface::setEmail | Drupal API
functionuserinterfacedrupalapi