private void setupEventHandlers() {
    closeBtn.setOnAction(e -> getSkinnable().close());
  }
Creates a new {@link CustomTabSkin} object for a corresponding {@link CustomTab}.

@param tab the {@link CustomTab} for which this Skin is created
workbenchfx-demo/src/main/java/com/dlsc/workbenchfx/demo/controls/CustomTabSkin.java