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: application.rb
    path of file: ./repos/mailcatcher/lib/mail_catcher/web
    
    the code of the file until where you have to start completion: # frozen_st
    
  def stop
    thin_stop
    @connections.each_value do |connection|
      if connection.socket_stream
        connection.socket_stream.close_connection_after_writing
      end
    end