* WooCommerce Importer Interface
* @package WooCommerce\Interface
* WC_Importer_Interface class.
interface WC_Importer_Interface {
* Returns an array with the imported and failed items.
* 'imported' contains a list of IDs.
* 'failed' contains a list of WP_Error objects.
* ['imported' => [], 'failed' => []]
public function import();
public function get_raw_keys();
* Get file mapped headers.
public function get_mapped_keys();
public function get_raw_data();
public function get_parsed_data();
* Get file pointer position from the last read.
public function get_file_position();
* Get file pointer position as a percentage of file size.
public function get_percent_complete();