@Override
      public DirectBufferWrapper put(long key, @NotNull DirectBufferWrapper wrapper) {
        totalSizeCached += wrapper.getLength();
        DirectBufferWrapper oldShouldBeNull = super.put(key, wrapper);
        myMaxLoadedSize = Math.max(myMaxLoadedSize, totalSizeCached);
        return oldShouldBeNull;
      }
@Override
      public DirectBufferWrapper put(long key, @NotNull DirectBufferWrapper wrapper)