clientv3/lease.go: TTL, document expired Lease.
@@ -50,7 +50,7 @@ type LeaseTimeToLiveResponse struct {
*pb.ResponseHeader
ID LeaseID `json:"id"`
- // TTL is the remaining TTL in seconds for the lease; the lease will expire in under TTL+1 seconds.
+ // TTL is the remaining TTL in seconds for the lease; the lease will expire in under TTL+1 seconds. Expired lease will return -1.
TTL int64 `json:"ttl"`
// GrantedTTL is the initial granted time in seconds upon lease creation/renewal.
