class Sprockets::Cache

Returns a JSON serializable object or nil if there was a cache miss.

a different value for the given key has undefined behavior.
value - A consistent JSON serializable object for the given key. Setting
key - JSON serializable key

Cache#fetch API over using this.
with caution, which is why its prefixed with an underscore. Prefer the
depending on the backend store being used. Therefore it must be used
This API may be used publicaly, but may have undefined behavior

store.
Public: Low level API to retrieve item directly from the backend cache

def _get(key)
  @cache_wrapper.get(expand_key(key))
end