public AccessibleInterface::access($operation, AccountInterface $account = NULL, $return_as_object = FALSE)
Checks data value access.
Parameters
string $operation: The operation to be performed.
\Drupal\Core\Session\AccountInterface $account: (optional) The user for which to check access, or NULL to check access for the current user. Defaults to NULL.
bool $return_as_object: (optional) Defaults to FALSE.
Return value
bool|\Drupal\Core\Access\AccessResultInterface The access result. Returns a