//! Built-in implementations of cache backends.
//!
//! There's two built-in cache backends:
//!
//! - [In-Memory](inmemory): Enabled with the `builtin-cache-inmemory` feature flag.
//! - [Redis](redis): Enabled with the `builtin-cache-redis` feature flag.
//!
//! Check their documentations for information on how to use each of them.