# File lib/sqs/right_sqs_gen2.rb, line 259
      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