private static void putBreadcrumbsComponent(@NotNull Editor editor, @NotNull BreadcrumbsPanel panel) {
    BreadcrumbsPanel oldPanel = editor.getUserData(BREADCRUMBS_COMPONENT_KEY);
    if (oldPanel != null) {
      LOG.error("Multiple breadcrumbs panels registered for the same Editor, old panel: " + oldPanel, new Throwable());
    }
    editor.putUserData(BREADCRUMBS_COMPONENT_KEY, panel);
  }
private static void putBreadcrumbsComponent(@NotNull Editor editor, @NotNull BreadcrumbsPanel panel)