@Override
  public String toString() {
    return "ZstdHFileDecompressionContext{dictId=" + dictId + ", allowByteBuffDecompression="
      + allowByteBuffDecompression + '}';
  }
Holds HFile-level settings used by ZstdByteBuffDecompressor. It's expensive to pull these from a
Configuration object every time we decompress a block, so pull them upon opening an HFile, and
reuse them in every block that gets decompressed.
hbase-compression/hbase-compression-zstd/src/main/java/org/apache/hadoop/hbase/io/compress/zstd/ZstdHFileDecompressionContext.java