@Override
        public String toString() {
            return "Acquirer{" + "id='" + id + '\'' + ", leaseMillis=" + leaseMillis + ", lockingTimestamp="
                   + lockingTimestamp + ", fencingToken=" + fencingToken + ", context=" + BytesUtil.toHex(context)
                   + '}';
        }
Returns the 'lock-context' of current lock owner.
jraft-rheakv/rheakv-core/src/main/java/com/alipay/sofa/jraft/rhea/util/concurrent/DistributedLock.java