code: def returns(self) -> T.Optional[DocstringReturns]:
          
          try:
              return next(
                  DocstringReturns.from_meta(meta)
                  for meta in self.meta
                  if meta.args[0] in {"return", "returns", "yield", "yields"}
              )
          except StopIteration:
              return None
docs: Return return information indicated in docstring.