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# File test/unit/util/observable.rb, line 75

                                def notify_listeners(channel_name, *arguments)

                                        channel = channels[channel_name]

                                        count = 0

                                        unless (channel.nil?)

                                                channel.each_value {

                                                        |callback|

                                                        callback.call(*arguments)

                                                        count += 1

                                                }

                                        end

                                        return count

                                end