def depth_target(cls, slider_pos: int) -> int:
        """Returns mempool depth target in bytes for a fee slider position."""
        slider_pos = max(slider_pos, 0)
        slider_pos = min(slider_pos, len(FEE_DEPTH_TARGETS)-1)
        return FEE_DEPTH_TARGETS[slider_pos]
Returns mempool depth target in bytes for a fee slider position.
electrum/fee_policy.py