code: public void subscribeWithFilter(String channel, boolean subscribeOnReconnect,
  						  String filter, OnMessageWithFilter onMessage) {
  		resolveSubscriptionChannels(channel, subscribeOnReconnect, onMessage,
  				false, true, filter);
  	}
docs: Subscribe the specified channel in order to receive messages in that
  channel
  
  @param channel
  Channel to be subscribed
  @param subscribeOnReconnect
  Indicates if the channel should be subscribe if the event on
  reconnected is fired
  @param filter
  Indicates the filter for this channel
  @param onMessage
  Event handler that will be called when a message will be
  received on the subscribed channel