is example.
   */
  interface Binder extends UiBinder&lt;Widget, CwCustomDataGrid&gt; {
  }

  /**
   * The resources used by this example.
   */
  interface Resources extends ClientBundle {

    /**
     * Get the styles used but this example.
     */
    @Source("CwCustomDataGrid.css")
    Styles styles();
  }

  /**
   * The CSS Resources used by this example.
   */
  interface Styles extends CssResource {
    /**
     * Indents cells in child rows.
     */
    String childCell();

    /**
     * Applies