pub trait CacheStore<Value> {
/// Store Value given cache id.
fn store<T: Into<String>>(&mut self, cache_id: T, token: Value);
/// Get Value from cache given matching cache id.
fn get(&self, cache_id: &str) -> Option<Value>;
/// Evict or remove value from cache given cache id.
fn evict(&self, cache_id: &str) -> Option<Value>;
}