EmailTypeOptions.php

<?php

namespace Drupal\rules\TypedData\Options;

use Drupal\Core\Session\AccountInterface;

/**
 * Options provider for the types of user account email to send.
 */
class EmailTypeOptions extends OptionsProviderBase {
    
    /**
     * {@inheritdoc}
     */
    public function getPossibleOptions(AccountInterface $account = NULL) {
        return [
            'register_admin_created' => $this->t('Welcome message for user created by the admin'),
            'register_no_approval_required' => $this->t('Welcome message when user self-registers'),
            'register_pending_approval' => $this->t('Welcome message, user pending admin approval'),
            'password_reset' => $this->t('Password recovery request'),
            'status_activated' => $this->t('Account activated'),
            'status_blocked' => $this->t('Account blocked'),
            'cancel_confirm' => $this->t('Account cancellation request'),
            'status_canceled' => $this->t('Account canceled'),
        ];
    }

}