code: def add(self, name, value):
          '''Append the name-value pair to the record.'''
          normalized_name = normalize_name(name, self._normalize_overrides)
          self._map[normalized_name].append(valuef add(self, name, value):
          '''Append the name-value pair to the record.'''
          normalized_name = normalize_name(name, self._normalize_overrides)
          self._map[normalized_name].append(value)
docs: Append the name-value pair to the record.