class ActiveModel::Serializer

def serializable_hash

object without the root.
Returns a hash representation of the serializable

def serializable_hash
  if perform_caching?
    cache.fetch expand_cache_key([self.class.to_s.underscore, cache_key, 'serializable-hash']) do
      _serializable_hash
    end
  else
    _serializable_hash
  end
end