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

Negatives:
- hyperswitch/crates/router/src/core/payment_methods/cards.rs :: get_card_details_from_locker
- hyperswitch/crates/router/tests/connectors/fiservemea.rs :: should_capture_authorized_payment
- hyperswitch/crates/hyperswitch_connectors/src/connectors/xendit.rs :: common_get_content_type
- hyperswitch/crates/hyperswitch_domain_models/src/payment_methods.rs :: test_get_common_mandate_reference_payments_only
- hyperswitch/crates/router/tests/connectors/paytm.rs :: should_partially_refund_succeeded_payment