"cmd-comment":"leaseX-del returns a result that indicates a outcome of the operation. It has one of the following values: 0 (success), 1 (error) or 3 (empty). The empty result means that a query has been completed properly, but the object (a lease in this case) has not been found."
}
"cmd-comment":"Specify the lease to be deleted either by IP address, or by identifier-type and identifier value. Currently supported identifiers are \"hw-address\" and \"client-id\"."