The list of indexes to Section.noThroughRestrictions the parent section owns. In case the list is not empty, the user must judge all the indexed sdk routing noThroughRestriction's carefully before proceeding. Get the list of indexes to Section.noThroughRestrictions the parent section owns. In case the list is not empty, the user must judge all the indexed Section.noThroughRestrictions's carefully before proceeding.