[Snippet rust]
```rust
pub struct Storage<'a> {
    /// Hash map to store values.
    pub values: HashMap<&'a str, serde_json::Value>,
}
```
Path: hyperswitch/crates/router_env/src/logger/storage.rs :: Storage (struct, crate=router_env)

Negatives:
- hyperswitch/crates/api_models/src/payouts.rs :: PayoutCreateRequest
- hyperswitch/crates/hyperswitch_connectors/src/connectors/payload/responses.rs :: PayloadWebhookEvent
- hyperswitch/crates/hyperswitch_domain_models/src/payments/payment_attempt.rs :: PaymentListFilters
- hyperswitch/crates/hyperswitch_connectors/src/connectors/worldline/transformers.rs :: Payment
- hyperswitch/crates/hyperswitch_connectors/src/connectors/globalpay/response.rs :: GlobalpayRefreshTokenResponse