# File lib/rainbows.rb, line 37
  def self.sleep(seconds)
    case Rainbows.server.use
    when :FiberPool, :FiberSpawn
      Rainbows::Fiber.sleep(seconds)
    when :RevFiberSpawn, :CoolioFiberSpawn
      Rainbows::Fiber::Coolio::Sleeper.new(seconds)
    when :Revactor
      Actor.sleep(seconds)
    else
      Kernel.sleep(seconds)
    end
  end