new

# File actioncable/lib/action_cable/channel/base.rb, line 140
      def initialize(connection, identifier, params = {})
        @connection = connection
        @identifier = identifier
        @params     = params

        # When a channel is streaming via pubsub, we want to delay the confirmation
        # transmission until pubsub subscription is confirmed.
        #
        # The counter starts at 1 because it's awaiting a call to #subscribe_to_channel
        @defer_subscription_confirmation_counter = Concurrent::AtomicFixnum.new(1)

        @reject_subscription = nil
        @subscription_confirmation_sent = nil

        delegate_connection_identifiers
      end