@Override
  public @NotNull HighlightInfo.Builder gutterIconRenderer(@NotNull GutterIconRenderer gutterIconRenderer) {
    assertNotCreated();
    assert this.gutterIconRenderer == null : "gutterIconRenderer already set";
    this.gutterIconRenderer = gutterIconRenderer;
    return this;
  }
@Override
  public @NotNull HighlightInfo.Builder gutterIconRenderer(@NotNull GutterIconRenderer gutterIconRenderer)