@retval EFI_SUCCESS The function completed successfully.\r
@retval EFI_NO_MAPPING The AppHandle parameter is not or is no longer a valid\r
application instance handle associated with the EFI_BIS protocol. \r
@retval EFI_SUCCESS The function completed successfully.\r
@retval EFI_NO_MAPPING The AppHandle parameter is not or is no longer a valid\r
application instance handle associated with the EFI_BIS protocol. \r