code: def completions(self):
          
          debug.speed('completions start')
          comps = self._evaluator.complete()
          debug.speed('completions end')
  
          return sorted(comps, key=lambda x: (x.name.lower()))
docs: Return :class:`classes.Completion` objects. Those objects contain
          information about the completions, more than just names.
  
          :return: Completion objects, sorted by name.
          :rtype: list of :class:`classes.Completion`