1/// The backing store for [`Config`][crate::Config] 2pub type Map<K, V> = InternalMap<K, V>; 3 4#[cfg(not(feature = "preserve_order"))] 5type InternalMap<K, V> = std::collections::HashMap<K, V>; 6#[cfg(feature = "preserve_order")] 7type InternalMap<K, V> = indexmap::IndexMap<K, V>;