class FileExplorerViewImpl extends Composite implements FileExplorerView {

    boolean needsLoading(final FSTreeItem item) {
        return item.getUserObject() instanceof Path
                && item.getFSType() == FSTreeItem.FSType.FOLDER
                && item.getChildCount() == 1
                && constants.Loading().equals(item.getChild(0).getText());
    }

    public  FileExplorerViewImpl();
      FileExplorerViewImpl(final Tree<FSTreeItem> tree);

}