[Snippet rust]
```rust
async fn retrieve_and_update_default_fallback_routing_algorithm_if_routable_connector_exists(
```
Path: hyperswitch/crates/router/src/core/admin.rs :: retrieve_and_update_default_fallback_routing_algorithm_if_routable_connector_exists (function, crate=router)

Negatives:
- hyperswitch/crates/hyperswitch_domain_models/src/payment_method_data.rs :: from
- hyperswitch/crates/router/src/core/payments/helpers.rs :: fetch_network_token_details_from_locker
- hyperswitch/crates/hyperswitch_connectors/src/connectors/payload.rs :: get_request_body
- hyperswitch/crates/router/src/connector/utils.rs :: get_expiry_date_as_yymm
- hyperswitch/crates/hyperswitch_connectors/src/connectors/cybersource.rs :: get_http_method