private static @Nullable MethodHierarchyBrowser getMethodHierarchyBrowser(@NotNull AnActionEvent event) {
    return ObjectUtils.tryCast(event.getData(HierarchyBrowserBaseEx.HIERARCHY_BROWSER), MethodHierarchyBrowser.class);
  }
private static @Nullable MethodHierarchyBrowser getMethodHierarchyBrowser(@NotNull AnActionEvent event)