def raw
      @raw_store ||=
        begin
          store = with(raw: true, only: [:load, :store, :create, :delete])
          store.instance_variable_set(:@raw_store, store)
          store
        end
    end
def raw
      @raw_store ||=
        begin
          store = with(raw: true, only: [:load, :store, :create, :delete])
          store.instance_variable_set(:@raw_store, store)
          store
        end
    end
Return Moneta store with default option raw: true

 @return [OptionMerger]
 @api public