@ApiStatus.Internal
  public void appendInvalidationReason(@NotNull Object source, @NotNull Object reason) {
    if (DebugInvalidation.DEBUG && !ApplicationManagerEx.isInStressTest()) {
      InvalidVirtualFileAccessException.appendInvalidationReason(this, source + ": " + reason);
    }
  }
@ApiStatus.Internal
  public void appendInvalidationReason(@NotNull Object source, @NotNull Object reason)