```ruby
require "io_actors/version"

require 'concurrent'

module IOActors
  SelectMessage = Struct.new(:actor)
  RegisterMessage = Struct.new(:io, :actor)
  DeregisterMessage = Struct.new(:io)
  InputMessage = Struct.new(:bytes)
  OutputMessage = Struct.new(:bytes)
  InformMessage = Struct.new(:actor)

  @selector = Concurrent::Delay.new{ SelectActor.spawn 'io_actors_selector' }

  class << self
    def selector
      @selector.value
    end
  end
end

require "io_actors/controller_actor"
require "io_actors/reader_actor"
require "io_actors/select_actor"
require "io_actors/writer_actor"

if ENV['IOACTORS_DEBUG']
  L = Logger.new(STDOUT)

  Concurrent.configure do |c|
    c.logger = lambda do |level, *params|
      return unless level > Logger::DEBUG
      L.add level, *params
    end
  end
end
```

Reduce the code dependency to just the actors code
user
```ruby
require "io_actors/version"

require 'concurrent/actor'

module IOActors
  SelectMessage = Struct.new(:actor)
  RegisterMessage = Struct.new(:io, :actor)
  DeregisterMessage = Struct.new(:io)
  InputMessage = Struct.new(:bytes)
  OutputMessage = Struct.new(:bytes)
  InformMessage = Struct.new(:actor)

  @selector = Concurrent::Delay.new{ SelectActor.spawn 'io_actors_selector' }

  class << self
    def selector
      @selector.value
    end
  end
end

require "io_actors/controller_actor"
require "io_actors/reader_actor"
require "io_actors/select_actor"
require "io_actors/writer_actor"

if ENV['IOACTORS_DEBUG']
  L = Logger.new(STDOUT)

  Concurrent.configure do |c|
    c.logger = lambda do |level, *params|
      return unless level > Logger::DEBUG
      L.add level, *params
    end
  end
end
```
assistant