docs: def get_asset_admin_session(self, proxy=None):
          """Gets an asset administration session for creating, updating and deleting assets.
  
          arg:    proxy (osid.proxy.Proxy): a proxy
          return: (osid.repository.AssetAdminSession) - an
                  ``AssetAdminSession``
          raise:  NullArgument - ``proxy`` is ``null``
          raise:  OperationFailed - unable to complete request
          raise:  Unimplemented - ``supports_asset_admin()`` is ``false``
          *compliance: optional -- This method must be implemented if
          ``supports_asset_admin()`` is ``true``.*
  
          """
          asset_lookup_session = self._provider_manager.get_asset_lookup_session(proxy)
          return AssetAdminSession(
              self._provider_manager.get_asset_admin_session(proxy),
              self._config_map,
              asset_lookup_session)