docs: public static MappedByteBuffer create(MapMode mapMode, int maxSize) throws IOException
      {
          Path tmp = Files.createTempFile("dynBB", "tmp");
          try (FileChannel fc = FileChannel.open(tmp, READ, WRITE, CREATE, DELETE_ON_CLOSE))
          {
              return fc.map(MapMode.READ_WRITE, 0, maxSize);
          }
      }