function Reduce_ConcurrentTo API docTo spec (ATo API docTo spec : Element_ArrayTo API docTo spec) return ElementTo API docTo spec is
begin
return CombineTo API docTo spec (ATo API docTo spec (ATo API docTo spec'First), ATo API docTo spec (ATo API docTo spec'Last));
-- obviously a somewhat approximate solution
--> replace with your concurrent solution.
end Reduce_ConcurrentTo API docTo specTo body;