This class can be used on the server to send Progress information back to the client if you are using AJAX for messaging. By returning this object to the client you can provide the client the information to decide what to do when each progress or completion event occurs.
|Whether the request has been cancelled
|Whether the request has been completed
|An ID value you can use in your application to identify this progress sequence
|The message for the current state
|The percentage of completion for this request
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