code: def get_bin_admin_session(self):
          
          if not self.supports_bin_admin():
              raise errors.Unimplemented()
          # pylint: disable=no-member
          return sessions.BinAdminSession(runtime=self._runtime)
docs: Gets the bin administrative session for creating, updating and deleteing bins.
  
          return: (osid.resource.BinAdminSession) - a ``BinAdminSession``
          raise:  OperationFailed - unable to complete request
          raise:  Unimplemented - ``supports_bin_admin()`` is ``false``
          *compliance: optional -- This method must be implemented if
          ``supports_bin_admin()`` is ``true``.*