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

Negatives:
- hyperswitch/crates/pm_auth/src/connector/plaid.rs :: get_content_type
- hyperswitch/crates/hyperswitch_connectors/src/connectors/airwallex.rs :: get_content_type
- hyperswitch/crates/router/src/services/kafka.rs :: key
- hyperswitch/crates/hyperswitch_connectors/src/connectors/tokenex.rs :: get_supported_payment_methods
- hyperswitch/crates/external_services/src/email.rs :: get_email_data