public function process_callback() {

		// Ready the converter
		$this->check_access();
		$this->maybe_set_memory();
		$this->maybe_restart();
		$this->setup_options();
		$this->maybe_update_options();

		// Bail if no converter
		if ( ! empty( $this->converter ) ) {
			$this->do_steps();
		}
	}