@Override
    public boolean areDataFlavorsAvailable(DataFlavor @NotNull ... flavors) {
      if (myFullTransferable == null) return super.areDataFlavorsAvailable(flavors);
      Transferable contents = getContents();
      return contents != null && ClipboardSynchronizer.areDataFlavorsAvailable(contents, flavors);
    }
@Override
    public boolean areDataFlavorsAvailable(DataFlavor @NotNull ... flavors)