code: def time_partitioning(self):
          
          prop = self._properties.get("timePartitioning")
          if prop is not None:
              return TimePartitioning.from_api_repr(prop)
docs: google.cloud.bigquery.table.TimePartitioning: Configures time-based
          partitioning for a table.
  
          Raises:
              ValueError:
                  If the value is not :class:`TimePartitioning` or :data:`None`.