public function add_hooks() {
		// Help save options in a multi-valued meta field.
		add_action( 'pmxi_update_post_meta', array( $this, 'detect_delimited_options' ), 10, 3 );

		// Mark imported vehicles as "For Sale" in the Availability taxonomy.
		add_action( 'pmxi_saved_post', array( $this, 'set_availability_for_sale' ), 10, 1 );

		// Number photos when they are uploaded.
		add_action( 'pmxi_gallery_image', array( $this, 'number_photos' ), 10, 2 );

		add_action( 'pmxi_before_post_import', array( $this, 'do_not_renumber_on_save' ) );
	}