@Override
            public void execute(RawKVStore kvStore, KVStoreClosure closure) {
                kvStore.multiGet(keyList, closure);
            }
Test method: {@link RocksRawKVStore#multiGet(List, KVStoreClosure)}
jraft-rheakv/rheakv-core/src/test/java/com/alipay/sofa/jraft/rhea/storage/rocksdb/RocksKVStoreTest.java