private void checkClosed() {
        Preconditions.checkArgument(!closed, "Could not operate a close RocksDB KV Buffer");
    }
Perform a range search according to the prefix of the key, and the KV data of all keys matching the
prefix will be returned
@note This stream must be closed after use, otherwise it will cause a memory leak

@param keyPrefix key prefix binary data
@return
inlong-sort/sort-flink/sort-flink-v1.13/sort-connectors/iceberg/src/main/java/org/apache/inlong/sort/iceberg/sink/collections/RocksDBKVBuffer.java