class Sprockets::Cache

Returns the value argument.

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

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

def _set(key, value)
  @cache_wrapper.set(expand_key(key), value)
end