public List<StreamRecordBatch> get(Long streamId, long startOffset, long endOffset, int maxBytes) {
            StreamCache cache = map.get(streamId);
            if (cache == null) {
                return Collections.emptyList();
            }
            return cache.get(startOffset, endOffset, maxBytes);
        }
Merge the right block to the left block
s3stream/src/main/java/com/automq/stream/s3/cache/LogCache.java