code: def _get_asset_content(self, asset_content_id):
          
          asset_content = None
          for asset in self._asset_lookup_session.get_assets():
              for content in asset.get_asset_contents():
                  if content.get_id() == asset_content_id:
                      asset_content = content
                      break
              if asset_content is not None:
                  break
          if asset_content is None:
              raise NotFound('THe AWS Adapter could not find AssetContent ' +
                             str(asset_content_id))
          return asset_content
docs: stub