class ActionCable::SubscriptionAdapter::Base

def broadcast(channel, payload)
  raise NotImplementedError
end

def initialize(server)
  @server = server
  @logger = @server.logger
end

def shutdown
  raise NotImplementedError
end

def subscribe(channel, message_callback, success_callback = nil)
  raise NotImplementedError
end

def unsubscribe(channel, message_callback)
  raise NotImplementedError
end