class IndexKeyStorage extends SimpleEntryStorage<KEY,IndexKeyStorage.KeyEntryCursor<KEY>> {

    @Override
    KeyEntryCursor<KEY> reader( PageCursor pageCursor )
    {
        return new KeyEntryCursor<>( pageCursor, layout );
    }

      IndexKeyStorage( FileSystemAbstraction fs, File file, ByteBufferFactory.Allocator byteBufferFactory, int blockSize, Layout<KEY,?> layout );

}