[Snippet rust]
```rust
fn get_metadata(
```
Path: hyperswitch/crates/hyperswitch_connectors/src/connectors/shift4/transformers.rs :: get_metadata (function, crate=hyperswitch_connectors)

Negatives:
- hyperswitch/crates/router/src/db/health_check.rs :: health_check_db
- hyperswitch/crates/router/src/core/payments/operations/payment_cancel_v2.rs :: to_domain
- hyperswitch/crates/hyperswitch_interfaces/src/configs.rs :: get_connector_wallets_details
- hyperswitch/crates/hyperswitch_connectors/src/connectors/paypal.rs :: get_error_response
- hyperswitch/crates/hyperswitch_connectors/src/connectors/cashtocode.rs :: get_headers