/**
* Grant permissions to a user role.
*
* @param \Drupal\user\RoleInterface $role
* The ID of a user role to alter.
* @param array $permissions
* (optional) A list of permission names to grant.
*/
protected function grantPermissions(RoleInterface $role, array $permissions)
{
foreach ($permissions as $permission) {
$role->grantPermission($permission);
}
$role->trustData()->save();
}
