   See {#publish} for all info
   @return [Array] list of all listened topics 
   ###
-  getListenedTopicsList: ->
+  getListenedTopicsList: =>
     topic for topic, listiners of @_subscriptions_ when listiners.length
 
 

  
  @return [Object] handler { topics: topics, callback: callback, watchdog: undefined, context: context } or throw exception on invalid arguments
  ###
  subscribe: (topics, callback, context = {}) ->
    @subscribeGuarded topics, callback, undefined, context

  ###

  Self-incapsulate @_publishing_counter_ properties to internal methods
  @private
  ###
  _publishingDec: =>
    unless @_isPublishing
      throw Error """
                    Error on decrement publishing counter
