docs: def copy(self, src, dst, other_system=None):
          """
          Copy object of the same storage.
  
          Args:
              src (str): Path or URL.
              dst (str): Path or URL.
              other_system (pycosio._core.io_system.SystemBase subclass): Unused.
          """
          copy_source = self.get_client_kwargs(src)
          copy_destination = self.get_client_kwargs(dst)
          with _handle_client_error():
              self.client.copy_object(CopySource=copy_source, **copy_destination)