public static void returnByteBuffDecompressor(ByteBuffDecompressor decompressor) {
    if (decompressor == null) {
      return;
    }
    // if the decompressor can't be reused, don't pool it.
    if (decompressor.getClass().isAnnotationPresent(DoNotPool.class)) {
      return;
    }
    payback(BYTE_BUFF_DECOMPRESSOR_POOL, decompressor);
  }
Return the {@link Decompressor} to the pool. Copied from hadoop-common without significant
modification.
hbase-common/src/main/java/org/apache/hadoop/hbase/io/compress/CodecPool.java