Method: Retrieve an instance of the WP_Screen for the import screen

Method: Retrieves the HTML of a view from the views/import directory.

Method: Retrieves a “Success” message providing information about the imported content.

Method: Instantiate and generate raw data via LLMS_Generator

Method: Handle HTML output on the screen

Method: Output an admin notice from a WP_Error object

Method: Handle form submission

Method: Validate the uploaded file

Method: Localize statistic information for display on success.