+ my $return_claim = $checkout->claim_returned();
+
+This method sets the checkout as claimed return. It will:
+
+1. Add a new row to the `return_claims` table
+2. Set the item as lost using the 'ClaimReturnedLostValue'
+3. Charge a fee depending on the value of ClaimReturnedChargeFee
+3a. If set to charge, then accruing overdues will be halted
+3b. If set to charge, then any existing transfers will be cancelled
+ and the holding branch will be set back to 'frombranch'.
+4. The issue will be marked as returned as per the 'MarkLostItemsAsReturned' preference