code: def next(self):
          
          CheckParent(self)
  
          val = _fitz.Annot_next(self)
          if val:
              val.thisown = True
              val.parent = self.parent # copy owning page object from previous annot
              val.parent._annot_refs[id(val)] = val
  
          return val
docs: next(self) -> Annot