Those were apparently used by an earlier implementation of the foreach directive, but now unused after revision https://github.com/odoo/odoo/commit/b3302398bc79f107588ff755666bf74a2ef4e11a
Those were apparently used by an earlier implementation of the foreach directive, but now unused after revision https://github.com/odoo/odoo/commit/b3302398bc79f107588ff755666bf74a2ef4e11a