[Snippet rust]
```rust
fn to_files_failed_response(self) -> error_stack::Result<T, errors::ApiErrorResponse>;
```
Path: hyperswitch/crates/router/src/core/errors/utils.rs :: to_files_failed_response (function, crate=router)

Negatives:
- hyperswitch/crates/openapi/src/routes/merchant_connector_account.rs :: connector_delete
- hyperswitch/crates/hyperswitch_domain_models/src/lib.rs :: convert_back
- hyperswitch/crates/hyperswitch_connectors/src/connectors/cashtocode.rs :: get_supported_webhook_flows
- hyperswitch/crates/router/tests/connectors/payme.rs :: get_name
- hyperswitch/crates/router/src/db/mandate.rs :: find_mandate_by_merchant_id_connector_mandate_id