def get_feedback_defs(
        self,
        feedback_definition_id: Optional[
            types_schema.FeedbackDefinitionID
        ] = None,
    ) -> pd.DataFrame:
        """Retrieve feedback definitions from the database.

        Args:
            feedback_definition_id: if provided, only the
                feedback definition with the given id is returned. Otherwise,
                all feedback definitions are returned.

        Returns:
            A dataframe with the feedback definitions.
        """

        raise NotImplementedError()
Retrieve feedback definitions from the database.

        Args:
            feedback_definition_id: if provided, only the
                feedback definition with the given id is returned. Otherwise,
                all feedback definitions are returned.

        Returns:
            A dataframe with the feedback definitions.
        
src/core/trulens/core/database/base.py