public Owner build() {
            return new Owner(this.id, this.deadlineMillis, this.remainingMillis, this.fencingToken, this.acquires,
                this.context, this.success);
        }
Returns the 'lock-context' of current lock owner.
jraft-rheakv/rheakv-core/src/main/java/com/alipay/sofa/jraft/rhea/util/concurrent/DistributedLock.java