protected @Nullable RadLayoutManager createInitialLayoutManager() {
    String defaultLayoutManager = UIFormXmlConstants.LAYOUT_INTELLIJ;
    if (getModule() != null) {
      final GuiDesignerConfiguration configuration = GuiDesignerConfiguration.getInstance(getProject());
      defaultLayoutManager = configuration.DEFAULT_LAYOUT_MANAGER;
    }

    try {
      return LayoutManagerRegistry.createLayoutManager(defaultLayoutManager);
    }
    catch (Exception e) {
      LOG.error(e);
      return new RadGridLayoutManager();
    }
  }
protected @Nullable RadLayoutManager createInitialLayoutManager()