code: def scan(cls, filter_builder=None, **scan_filter):
          
          scan_kwargs = {'scan_filter': build_condition(scan_filter)}
          if filter_builder:
              cls._build_filter_expression(filter_builder, scan_kwargs)
          return ResultSet(cls, 'scan', scan_kwargs)
docs: High level scan API.
  
          :param filter_builder: filter expression builder.
          :type filter_builder: :class:`~bynamodb.filterexps.Operator`