docs: def filter(self, data, collection, **kwargs):
          """Filter given collection."""
          if not data or self.filters is None:
              return None, collection
  
          filters = {}
          for f in self.filters:
              if f.name not in data:
                  continue
              ops, collection = f.filter(collection, data, **kwargs)
              filters[f.name] = ops
  
          return filters, collection