allout-parse-item-at-point is a compiled Lisp function in `allout-widgets.el'.

(allout-parse-item-at-point ITEM-WIDGET &optional AT-BEGINNING BLANK-CONTAINER)

Set widget ITEM-WIDGET layout parameters per item-at-point's actual layout.

If optional AT-BEGINNING is t, then point is assumed to be at the start of
the item prefix.

If optional BLANK-CONTAINER is true, then the parameters of a container
which has an empty body are set. (Though the body is blank, the object
may have subitems.)