RequestCompletionReason

One of:

solved: Solved - Review Not Required
workaround: Workaround - Review Required
gone: Gone - Issue Can No Longer Be Found
duplicate: Duplicate - Same as Another Request of Customer
withdrawn: Withdrawn - Withdrawn by Requester
no_reply: No Reply - No Reply Received from Customer
rejected: Rejected - Rejected by Approver
conflict: Conflict - In Conflict with Internal Standard or Policy
declined: Declined - Declined by Service Provider
unsolvable: Unsolvable - Unable to Solve