```ruby
require 'singleton'
require 'active_support/dependencies/autoload'
require 'adhearsion/foundation/thread_safety'

class ElectricSlide < Adhearsion::Plugin
  extend ActiveSupport::Autoload

  autoload :QueueStrategy
  autoload :RoundRobin
  autoload :RoundRobinMeetme

  include Singleton

  def initialize
    @queues = {}
  end

  def create(name, queue_type, agent_type = Agent)
    synchronize do
      @queues[name] = const_get(queue_type).new unless @queues.has_key?(name)
      @queues[name].extend agent_type
    end
  end

  def get_queue(name)
    synchronize do
      @queues[name]
    end
  end

  def self.method_missing(method, *args, &block)
    instance.send method, *args, &block
  end

  module Agent
    def work(agent_call)
      loop do
        agent_call.execute 'Bridge', @queue.next_call
      end
    end
  end

  class CalloutAgent
    def work(agent_channel)
      @queue.next_call.each do |next_call|
        next_call.dial agent_channel
      end
    end
  end

  class MeetMeAgent
    include Agent

    def work(agent_call)
      loop do
        agent_call.join agent_conf, @queue.next_call
      end
    end
  end

  class BridgeAgent
    include Agent
  end
end

```

Use the supplied class directly
user
```ruby
require 'singleton'
require 'active_support/dependencies/autoload'
require 'adhearsion/foundation/thread_safety'

class ElectricSlide < Adhearsion::Plugin
  extend ActiveSupport::Autoload

  autoload :QueueStrategy
  autoload :RoundRobin
  autoload :RoundRobinMeetme

  include Singleton

  def initialize
    @queues = {}
  end

  def create(name, queue_type, agent_type = Agent)
    synchronize do
      @queues[name] = queue_type.new unless @queues.has_key?(name)
      @queues[name].extend agent_type
    end
  end

  def get_queue(name)
    synchronize do
      @queues[name]
    end
  end

  def self.method_missing(method, *args, &block)
    instance.send method, *args, &block
  end

  module Agent
    def work(agent_call)
      loop do
        agent_call.execute 'Bridge', @queue.next_call
      end
    end
  end

  class CalloutAgent
    def work(agent_channel)
      @queue.next_call.each do |next_call|
        next_call.dial agent_channel
      end
    end
  end

  class MeetMeAgent
    include Agent

    def work(agent_call)
      loop do
        agent_call.join agent_conf, @queue.next_call
      end
    end
  end

  class BridgeAgent
    include Agent
  end
end

```
assistant