[Snippet rust]
```rust
pub struct ApiKeyExpiryReminder {
    pub recipient_email: domain::UserEmail,
    pub subject: &'static str,
    pub expires_in: u8,
    pub api_key_name: String,
    pub prefix: String,
    pub theme_id: Option<String>,
    pub theme_config: EmailThemeConfig,
}
```
Path: hyperswitch/crates/router/src/services/email/types.rs :: ApiKeyExpiryReminder (struct, crate=router)

Negatives:
- hyperswitch/crates/hyperswitch_connectors/src/connectors/fiserv/transformers.rs :: FiservOrder
- hyperswitch/crates/hyperswitch_connectors/src/connectors/stripe/transformers.rs :: CancelRequest
- hyperswitch/crates/router/src/types.rs :: CreateOrderResult
- hyperswitch/crates/hyperswitch_connectors/src/connectors/klarna.rs :: Klarna
- hyperswitch/crates/hyperswitch_connectors/src/connectors/adyen/transformers.rs :: PayoutFulfillGenericRequest