new

# File activesupport/lib/active_support/notifications/fanout.rb, line 234
        def initialize(notifier, name, id, payload) # :nodoc:
          @name = name
          @id = id
          @payload = payload
          @groups = notifier.groups_for(name).map do |group_klass, grouped_listeners|
            group_klass.new(grouped_listeners, name, id, payload)
          end
          @state = :initialized
        end