# File lib/sqs/sqs.rb, line 270
      def initialize(queue, id=nil, rh = nil, body=nil, visibility=nil)
        @queue = queue
        @id = id
        @receipt_handle = rh
        @body = body
        @visibility = visibility
        @sent_at = nil
        @received_at = nil
        @send_checksum = nil
        @receive_checksum = nil
      end