       @setValue key, value  unless (@getValue key)?
 
 
-  unsetKey: (key, callback, group = DEFAULT_GROUP_NAME) ->
+  unsetKey: (key, callback, group = AppStorage.DEFAULT_GROUP_NAME) ->
 
     pack = @zip key, group, 1
 

    , force


  getValue: (key, group = DEFAULT_GROUP_NAME) ->

    return unless @_storage
    return if @_storageData[group]?[key]? then @_storageData[group][key]
    return if @_storage[group]?[key]?     then @_storage[group][key]


  setValue: (key, value, callback, group = DEFAULT_GROUP_NAME) ->

    pack = @zip key, group, value



  @DEFAULT_VERSION: '1.0'

  @DEFAULT_GROUP_NAME = 'bucket'

  constructor: (appId, version = AppStorage.DEFAULT_VERSION) ->

