//! [`metrics::registry::Storage`] implementations.
//!
//! [`metrics::registry::Storage`]: metrics_util::registry::Storage
use sealed;
pub use ;
/// Name identifying a [`metric::Bundle`] stored in a storage.
///
/// [`metric::Bundle`]: crate::metric::Bundle
pub type KeyName = String;
/// Retrieving a `Collection` of [`metric::Bundle`]s from a storage.
///
/// [`metric::Bundle`]: crate::metric::Bundle