[Snippet rust]
```rust
fn get_setup_mandate(&self) -> Option<&MandateData> {
        todo!()
    }
```
Path: hyperswitch/crates/router/src/core/payments.rs :: get_setup_mandate (function, crate=router)

Negatives:
- hyperswitch/crates/router/tests/connectors/breadpay.rs :: should_sync_manually_captured_refund
- hyperswitch/crates/hyperswitch_connectors/src/connectors/stripebilling.rs :: get_url
- hyperswitch/crates/router/src/core/user.rs :: update_user_authentication_method
- hyperswitch/crates/hyperswitch_interfaces/src/connector_integration_interface.rs :: get_webhook_source_verification_merchant_secret
- hyperswitch/crates/hyperswitch_connectors/src/connectors/worldpayvantiv.rs :: build_request