You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: connection_pool.rb
    path of file: ./repos/sshkit/lib/sshkit/backends
    
    the code of the file until where you have to start completion: require "monitor"
requir
    
  def run_eviction_loop
    loop do
      process_deferred_close

      # Periodically sweep all Caches to evict stale connections
      sleep(5)
      caches.values.each(&:evict)
    end
  end