docs: def pre(fqdn, parent, stackdepth, *argl, **argd):
      """Adds logging for a call to the specified function that is being handled
      by an external module.
  
      Args:
          fqdn (str): fully-qualified domain name of the function being logged.
          parent: *object* that the function belongs to.
          stackdepth (int): maximum stack depth before entries are ignored.
          argl (list): positional arguments passed to the function call.
          argd (dict): keyword arguments passed to the function call.
      """
      global _atdepth_call, _cstack_call
      #We add +1 to stackdepth because this method had to be called in
      #addition to the wrapper method, so we would be off by 1.
      pcres = _pre_call(_atdepth_call, parent, fqdn, stackdepth+1,
                        *argl, **argd)
      entry, _atdepth_call, reduced, bound, ekey = pcres
      _cstack_call.append(fqdn)
      return (entry, bound, ekey)