docs: @Override
      public INDArray get(T key) {
          try {
              if (emulateIsAbsent)
                  lock.readLock().lock();
  
              if (containsKey(key)) {
                  INDArray result = compressedEntries.get(key);
  
                  // TODO: we don't save decompressed entries here, but something like LRU might be good idea
                  return compressor.decompress(result);
              } else {
                  return null;
              }
          } finally {
              if (emulateIsAbsent)
                  lock.readLock().unlock();
          }
      }