Method _create_desc

lib/sqlalchemy/sql/elements.py:3962–3969

(
        cls, column: _ColumnExpressionOrStrLabelArgument[_T]
    )

    @classmethod
    def _create_desc(
        cls, column: _ColumnExpressionOrStrLabelArgument[_T]
    ) -> UnaryExpression[_T]:

        return UnaryExpression(
            coercions.expect(roles.ByOfRole, column),
            modifier=operators.desc_op,
        )

    @classmethod
    def _create_asc(