public static @NotNull Set<QuickEditHandler> getFragmentEditors(@NotNull PsiLanguageInjectionHost host) {
    Set<QuickEditHandler> handlers = host.getCopyableUserData(QUICK_EDIT_HANDLERS);
    if (handlers == null) return Collections.emptySet();
    return handlers;
  }
public static @NotNull Set<QuickEditHandler> getFragmentEditors(@NotNull PsiLanguageInjectionHost host)