old_contents: var message_states = Object.freeze(
    {
      MESSAGE_FAILED: -1,
      MESSAGE_SENT: 1,
      MESSAGE_DELIVERED_SERVICE: 2,
      MESSAGE_DELIVERED_USER: 3,
      MESSAGE_READ: 4,
      MESSAGE_REPLIED: 5
    }
  )
  
  var Message = {
    body: null,
    servicechain: null
  }
  
  module.exports = {message_states, message}
new_contents: var message_states = Object.freeze(
    {
      MESSAGE_FAILED: -1,
      MESSAGE_SENT: 1,
      MESSAGE_DELIVERED_SERVICE: 2,
      MESSAGE_DELIVERED_USER: 3,
      MESSAGE_READ: 4,
      MESSAGE_REPLIED: 5
    }
  )
  
  var Message = {
    body: null,
    servicechain: null
  }
  
  exports.message_states = message_states
  exports.Message = Message
subject: Set up module exports differently