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

Negatives:
- hyperswitch/crates/subscriptions/src/core/billing_processor_handler.rs :: create_subscription_on_connector
- hyperswitch/crates/common_utils/src/pii.rs :: test_invalid_client_secret_masking
- hyperswitch/crates/router/src/routes/subscription.rs :: create_subscription
- hyperswitch/crates/hyperswitch_connectors/src/connectors/worldpay.rs :: get_content_type
- hyperswitch/crates/hyperswitch_connectors/src/connectors/plaid/transformers.rs :: try_from